Rivside (Rivview Dr) CA, US: 33.999449, -117.415831
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 11, 2021, 2 a.m. | 7.7 ppb (8) | 0.0 ppb (0) | 9.2 ppb (9) | 8.0 ppb (8) | 8.8 ppb (9) | 1.0 ppb (2) | 54.0 ppb (50) | 0.2 ppb (3) | 57.0 μg/m3 (52) | 20.0 μg/m3 (68) | 68.0 | |
| April 11, 2021, 1 a.m. | 5.3 ppb (5) | 0.1 ppb (1) | 7.0 ppb (7) | 5.0 ppb (5) | 6.5 ppb (7) | 1.0 ppb (2) | 57.0 ppb (58) | 0.17 ppb (3) | 62.0 μg/m3 (55) | 15.0 μg/m3 (58) | 58.0 | |
| April 11, 2021, midnight | 4.9 ppb (5) | 0.1 ppb (1) | 7.0 ppb (7) | 5.0 ppb (5) | 6.4 ppb (7) | 1.0 ppb (2) | 60.0 ppb (68) | 0.18 ppb (3) | 58.0 μg/m3 (53) | 15.0 μg/m3 (58) | 68.0 | |
| April 10, 2021, 11 p.m. | 4.7 ppb (5) | 0.1 ppb (1) | 7.2 ppb (7) | 5.0 ppb (5) | 6.7 ppb (7) | 1.0 ppb (2) | 71.0 ppb (101) | 0.2 ppb (3) | 63.0 μg/m3 (55) | 14.0 μg/m3 (55) | 101.0 | |
| April 10, 2021, 10 p.m. | 4.5 ppb (5) | 0.1 ppb (1) | 7.4 ppb (7) | 4.0 ppb (4) | 6.9 ppb (7) | 1.0 ppb (2) | 74.0 ppb (103) | 0.2 ppb (3) | 55.0 μg/m3 (51) | 21.0 μg/m3 (70) | 103.0 | |
| April 10, 2021, 9 p.m. | 4.7 ppb (5) | 0.2 ppb (1) | 7.6 ppb (8) | 5.0 ppb (5) | 7.1 ppb (7) | 1.0 ppb (2) | 73.0 ppb (103) | 0.2 ppb (3) | 56.0 μg/m3 (52) | 11.0 μg/m3 (46) | 103.0 | |
| April 10, 2021, 8 p.m. | 5.5 ppb (6) | 0.3 ppb (1) | 8.4 ppb (8) | 5.0 ppb (5) | 7.7 ppb (8) | 1.0 ppb (2) | 71.0 ppb (101) | 0.2 ppb (3) | 58.0 μg/m3 (53) | 17.0 μg/m3 (62) | 101.0 | |
| April 10, 2021, 7 p.m. | 5.5 ppb (6) | 0.3 ppb (1) | 8.1 ppb (8) | 5.0 ppb (5) | 7.5 ppb (8) | 1.0 ppb (2) | 66.0 ppb (87) | 0.2 ppb (3) | 56.0 μg/m3 (52) | 20.0 μg/m3 (68) | 87.0 | |
| April 10, 2021, 6 p.m. | 6.5 ppb (7) | 0.6 ppb (1) | 9.0 ppb (9) | 6.0 ppb (6) | 8.1 ppb (8) | 1.0 ppb (2) | 60.0 ppb (68) | 0.2 ppb (3) | 58.0 μg/m3 (53) | 20.0 μg/m3 (68) | 68.0 | |
| April 10, 2021, 5 p.m. | 7.9 ppb (8) | 1.1 ppb (2) | 10.1 ppb (10) | 7.0 ppb (7) | 8.7 ppb (9) | 1.0 ppb (2) | 49.0 ppb (46) | 0.21 ppb (3) | 58.0 μg/m3 (53) | 19.0 μg/m3 (66) | 66.0 | |
| April 10, 2021, 4 p.m. | 18.6 ppb (18) | 4.7 ppb (5) | 20.7 ppb (20) | 14.0 ppb (14) | 15.6 ppb (15) | 1.0 ppb (2) | 30.0 ppb (28) | 0.29 ppb (4) | 66.0 μg/m3 (57) | 22.0 μg/m3 (72) | 72.0 | |
| April 10, 2021, 3 p.m. | 23.5 ppb (23) | 7.0 ppb (7) | 25.1 ppb (24) | 17.0 ppb (17) | 18.0 ppb (17) | 1.0 ppb (2) | 20.0 ppb (19) | 0.36 ppb (5) | 56.0 μg/m3 (52) | 25.0 μg/m3 (79) | 79.0 | |
| April 10, 2021, 2 p.m. | 40.4 ppb (39) | 18.4 ppb (18) | 41.4 ppb (40) | 22.0 ppb (21) | 24.0 ppb (23) | 1.0 ppb (2) | 9.0 ppb (9) | 0.56 ppb (7) | 68.0 μg/m3 (58) | 19.0 μg/m3 (66) | 66.0 | |
| April 10, 2021, 1 p.m. | 45.3 ppb (43) | 21.8 ppb (21) | 48.1 ppb (46) | 23.0 ppb (22) | 23.1 ppb (22) | 1.0 ppb (2) | 2.0 ppb (2) | 0.55 ppb (7) | 51.0 μg/m3 (48) | 17.0 μg/m3 (62) | 62.0 | |
| April 10, 2021, noon | 40.2 ppb (38) | 14.3 ppb (14) | 36.3 ppb (35) | 26.0 ppb (25) | 27.7 ppb (27) | 0.0 ppb (0) | 2.0 ppb (2) | 0.44 ppb (5) | 45.0 μg/m3 (42) | 15.0 μg/m3 (58) | 58.0 | |
| April 10, 2021, 11 a.m. | 25.1 ppb (24) | 3.2 ppb (4) | 27.6 ppb (27) | 22.0 ppb (21) | 24.6 ppb (24) | 0.0 ppb (0) | 6.0 ppb (6) | 0.38 ppb (5) | 47.0 μg/m3 (44) | 16.0 μg/m3 (60) | 60.0 | |
| April 10, 2021, 10 a.m. | 12.3 ppb (12) | 0.6 ppb (1) | 13.9 ppb (14) | 12.0 ppb (12) | 13.6 ppb (13) | 0.0 ppb (0) | 17.0 ppb (16) | 0.28 ppb (4) | 45.0 μg/m3 (42) | 19.0 μg/m3 (66) | 66.0 | |
| April 10, 2021, 9 a.m. | 12.2 ppb (12) | 0.5 ppb (1) | 13.3 ppb (13) | 12.0 ppb (12) | 12.9 ppb (13) | 0.0 ppb (0) | 21.0 ppb (20) | 0.26 ppb (4) | 46.0 μg/m3 (43) | 23.0 μg/m3 (74) | 74.0 | |
| April 10, 2021, 8 a.m. | 12.8 ppb (13) | 0.4 ppb (1) | 15.2 ppb (15) | 12.0 ppb (12) | 14.8 ppb (14) | 0.0 ppb (0) | 23.0 ppb (22) | 0.26 ppb (4) | 51.0 μg/m3 (48) | 22.0 μg/m3 (72) | 72.0 | |
| April 10, 2021, 7 a.m. | 14.9 ppb (15) | 0.4 ppb (1) | 16.5 ppb (16) | 15.0 ppb (15) | 16.2 ppb (16) | 0.0 ppb (0) | 24.0 ppb (23) | 0.31 ppb (4) | 51.0 μg/m3 (48) | 26.0 μg/m3 (81) | 81.0 | |
| April 10, 2021, 6 a.m. | 19.6 ppb (19) | 0.5 ppb (1) | 21.4 ppb (21) | 19.0 ppb (18) | 21.0 ppb (20) | 1.0 ppb (2) | 21.0 ppb (20) | 0.38 ppb (5) | 63.0 μg/m3 (55) | 27.0 μg/m3 (83) | 83.0 | |
| April 10, 2021, 5 a.m. | 15.5 ppb (15) | 0.4 ppb (1) | 17.9 ppb (17) | 15.0 ppb (15) | 17.5 ppb (17) | 1.0 ppb (2) | 30.0 ppb (28) | 0.32 ppb (4) | 64.0 μg/m3 (56) | 22.0 μg/m3 (72) | 72.0 | |
| April 10, 2021, 4 a.m. | 16.3 ppb (16) | 0.3 ppb (1) | 18.4 ppb (18) | 16.0 ppb (16) | 18.1 ppb (18) | 1.0 ppb (2) | 34.0 ppb (32) | 0.29 ppb (4) | 66.0 μg/m3 (57) | 17.0 μg/m3 (62) | 62.0 | |
| April 10, 2021, 3 a.m. | 11.7 ppb (12) | 0.1 ppb (1) | 13.4 ppb (13) | 12.0 ppb (12) | 13.1 ppb (13) | 1.0 ppb (2) | 44.0 ppb (41) | 0.25 ppb (3) | 57.0 μg/m3 (52) | 16.0 μg/m3 (60) | 60.0 | |
| April 10, 2021, 2 a.m. | 8.6 ppb (9) | 0.0 ppb (0) | 10.3 ppb (10) | 9.0 ppb (9) | 9.9 ppb (10) | 1.0 ppb (2) | 53.0 ppb (50) | 0.21 ppb (3) | 48.0 μg/m3 (45) | 13.0 μg/m3 (53) | 53.0 | |
| April 10, 2021, 1 a.m. | 7.2 ppb (7) | 0.1 ppb (1) | 9.1 ppb (9) | 7.0 ppb (7) | 8.6 ppb (9) | 1.0 ppb (2) | 58.0 ppb (61) | 0.19 ppb (3) | 52.0 μg/m3 (49) | 13.0 μg/m3 (53) | 61.0 | |
| April 10, 2021, midnight | 6.3 ppb (6) | 0.3 ppb (1) | 8.9 ppb (9) | 6.0 ppb (6) | 8.2 ppb (8) | 1.0 ppb (2) | 65.0 ppb (84) | 0.18 ppb (3) | 67.0 μg/m3 (57) | 18.0 μg/m3 (64) | 84.0 | |
| April 9, 2021, 11 p.m. | 5.8 ppb (6) | 0.2 ppb (1) | 9.0 ppb (9) | 6.0 ppb (6) | 8.4 ppb (8) | 1.0 ppb (2) | 75.0 ppb (104) | 0.2 ppb (3) | 68.0 μg/m3 (58) | 18.0 μg/m3 (64) | 104.0 | |
| April 9, 2021, 10 p.m. | 6.7 ppb (7) | 0.3 ppb (1) | 10.4 ppb (10) | 6.0 ppb (6) | 9.7 ppb (10) | 1.0 ppb (2) | 76.0 ppb (104) | 0.21 ppb (3) | 66.0 μg/m3 (57) | 18.0 μg/m3 (64) | 104.0 | |
| April 9, 2021, 9 p.m. | 7.9 ppb (8) | 0.6 ppb (1) | 11.2 ppb (11) | 7.0 ppb (7) | 10.3 ppb (10) | 1.0 ppb (2) | 71.0 ppb (101) | 0.23 ppb (3) | 70.0 μg/m3 (59) | 19.0 μg/m3 (66) | 101.0 | |
| April 9, 2021, 8 p.m. | 8.6 ppb (9) | 0.9 ppb (1) | 11.8 ppb (12) | 8.0 ppb (8) | 10.5 ppb (10) | 1.0 ppb (2) | 63.0 ppb (78) | 0.22 ppb (3) | 61.0 μg/m3 (54) | 21.0 μg/m3 (70) | 78.0 | |
| April 9, 2021, 7 p.m. | 9.8 ppb (10) | 1.3 ppb (2) | 12.3 ppb (12) | 8.0 ppb (8) | 10.6 ppb (10) | 1.0 ppb (2) | 53.0 ppb (50) | 0.22 ppb (3) | 60.0 μg/m3 (54) | 18.0 μg/m3 (64) | 64.0 | |
| April 9, 2021, 6 p.m. | 10.3 ppb (10) | 1.7 ppb (2) | 12.6 ppb (12) | 9.0 ppb (9) | 10.5 ppb (10) | 1.0 ppb (2) | 49.0 ppb (46) | 0.22 ppb (3) | 69.0 μg/m3 (58) | 23.0 μg/m3 (74) | 74.0 | |
| April 9, 2021, 5 p.m. | 15.6 ppb (15) | 3.5 ppb (4) | 17.2 ppb (17) | 12.0 ppb (12) | 13.3 ppb (13) | 1.0 ppb (2) | 38.0 ppb (36) | 0.25 ppb (3) | 58.0 μg/m3 (53) | 17.0 μg/m3 (62) | 62.0 | |
| April 9, 2021, 4 p.m. | 31.6 ppb (30) | 10.6 ppb (10) | 32.9 ppb (32) | 21.0 ppb (20) | 22.1 ppb (21) | 1.0 ppb (2) | 25.0 ppb (24) | 0.3 ppb (4) | 63.0 μg/m3 (55) | 24.0 μg/m3 (77) | 77.0 | |
| April 9, 2021, 3 p.m. | 83.2 ppb (83) | 48.8 ppb (47) | 83.0 ppb (82) | 34.0 ppb (33) | 35.3 ppb (34) | 1.0 ppb (2) | 7.0 ppb (7) | 0.57 ppb (7) | 110.0 μg/m3 (79) | 33.0 μg/m3 (95) | 95.0 | |
| April 9, 2021, 2 p.m. | 80.8 ppb (80) | 52.3 ppb (50) | 80.1 ppb (79) | 29.0 ppb (28) | 29.8 ppb (29) | 1.0 ppb (2) | 3.0 ppb (3) | 0.72 ppb (8) | 77.0 μg/m3 (62) | 20.0 μg/m3 (68) | 80.0 | |
| April 9, 2021, 1 p.m. | 54.9 ppb (52) | 29.1 ppb (28) | 57.0 ppb (55) | 26.0 ppb (25) | 25.1 ppb (24) | 1.0 ppb (2) | 2.0 ppb (2) | 0.55 ppb (7) | 54.0 μg/m3 (50) | 19.0 μg/m3 (66) | 66.0 | |
| April 9, 2021, noon | 35.6 ppb (34) | 10.8 ppb (11) | 34.9 ppb (33) | 25.0 ppb (24) | 25.9 ppb (25) | 0.0 ppb (0) | 2.0 ppb (2) | 0.4 ppb (5) | 52.0 μg/m3 (49) | 14.0 μg/m3 (55) | 55.0 | |
| April 9, 2021, 11 a.m. | 25.1 ppb (24) | 2.0 ppb (2) | 25.9 ppb (25) | 23.0 ppb (22) | 23.4 ppb (23) | 0.0 ppb (0) | 6.0 ppb (6) | 0.29 ppb (4) | 47.0 μg/m3 (44) | 14.0 μg/m3 (55) | 55.0 | |
| April 9, 2021, 10 a.m. | 18.2 ppb (18) | 0.8 ppb (1) | 19.1 ppb (19) | 17.0 ppb (17) | 18.5 ppb (18) | 0.0 ppb (0) | 9.0 ppb (9) | 0.25 ppb (3) | 41.0 μg/m3 (38) | 14.0 μg/m3 (55) | 55.0 | |
| April 9, 2021, 9 a.m. | 19.1 ppb (19) | 0.7 ppb (1) | 17.5 ppb (17) | 18.0 ppb (17) | 17.0 ppb (17) | 0.0 ppb (0) | 15.0 ppb (14) | 0.29 ppb (4) | 43.0 μg/m3 (40) | 17.0 μg/m3 (62) | 62.0 | |
| April 9, 2021, 8 a.m. | 16.4 ppb (16) | 1.0 ppb (1) | 14.3 ppb (14) | 15.0 ppb (15) | 13.8 ppb (14) | 0.0 ppb (0) | 17.0 ppb (16) | 0.29 ppb (4) | 43.0 μg/m3 (40) | 16.0 μg/m3 (60) | 60.0 | |
| April 9, 2021, 7 a.m. | 12.9 ppb (13) | 0.3 ppb (1) | 14.7 ppb (14) | 13.0 ppb (13) | 14.3 ppb (14) | 0.0 ppb (0) | 23.0 ppb (22) | 0.26 ppb (4) | 39.0 μg/m3 (37) | 9.0 μg/m3 (38) | 38.0 | |
| April 9, 2021, 6 a.m. | 9.8 ppb (10) | 0.2 ppb (1) | 10.9 ppb (11) | 10.0 ppb (10) | 10.5 ppb (10) | 1.0 ppb (2) | 28.0 ppb (26) | 0.24 ppb (3) | 41.0 μg/m3 (38) | 11.0 μg/m3 (46) | 46.0 | |
| April 9, 2021, 5 a.m. | 11.7 ppb (12) | 0.2 ppb (1) | 12.9 ppb (13) | 11.0 ppb (11) | 12.5 ppb (12) | 1.0 ppb (2) | 29.0 ppb (27) | 0.24 ppb (3) | 48.0 μg/m3 (45) | 13.0 μg/m3 (53) | 53.0 | |
| April 9, 2021, 4 a.m. | 12.2 ppb (12) | 0.1 ppb (1) | 13.4 ppb (13) | 12.0 ppb (12) | 13.0 ppb (13) | 1.0 ppb (2) | 33.0 ppb (31) | 0.22 ppb (3) | 51.0 μg/m3 (48) | 17.0 μg/m3 (62) | 62.0 | |
| April 9, 2021, 3 a.m. | 10.6 ppb (10) | 0.0 ppb (0) | 11.9 ppb (12) | 11.0 ppb (11) | 11.6 ppb (11) | 1.0 ppb (2) | 41.0 ppb (38) | 0.22 ppb (3) | 58.0 μg/m3 (53) | 16.0 μg/m3 (60) | 60.0 | |
| April 9, 2021, 2 a.m. | 7.5 ppb (8) | 0.0 ppb (0) | 9.0 ppb (9) | 8.0 ppb (8) | 8.7 ppb (9) | 1.0 ppb (2) | 50.0 ppb (47) | 0.18 ppb (3) | 48.0 μg/m3 (45) | 20.0 μg/m3 (68) | 68.0 | |
| April 9, 2021, 1 a.m. | 7.2 ppb (7) | 0.1 ppb (1) | 9.1 ppb (9) | 7.0 ppb (7) | 8.5 ppb (9) | 1.0 ppb (2) | 56.0 ppb (55) | 0.18 ppb (3) | 54.0 μg/m3 (50) | 13.0 μg/m3 (53) | 55.0 | |
| April 9, 2021, midnight | 8.6 ppb (9) | 0.5 ppb (1) | 11.1 ppb (11) | 8.0 ppb (8) | 10.2 ppb (10) | 1.0 ppb (2) | 58.0 ppb (61) | 0.2 ppb (3) | 70.0 μg/m3 (59) | 14.0 μg/m3 (55) | 61.0 | |
| April 8, 2021, 11 p.m. | 7.1 ppb (7) | 0.4 ppb (1) | 9.9 ppb (10) | 7.0 ppb (7) | 9.2 ppb (9) | 1.0 ppb (2) | 68.0 ppb (94) | 0.2 ppb (3) | 68.0 μg/m3 (58) | 18.0 μg/m3 (64) | 94.0 | |
| April 8, 2021, 10 p.m. | 7.7 ppb (8) | 0.6 ppb (1) | 10.6 ppb (10) | 7.0 ppb (7) | 9.6 ppb (10) | 1.0 ppb (2) | 67.0 ppb (91) | 0.2 ppb (3) | 68.0 μg/m3 (58) | 19.0 μg/m3 (66) | 91.0 | |
| April 8, 2021, 9 p.m. | 5.7 ppb (6) | 0.4 ppb (1) | 8.1 ppb (8) | 5.0 ppb (5) | 7.4 ppb (7) | 1.0 ppb (2) | 64.0 ppb (81) | 0.17 ppb (3) | 52.0 μg/m3 (49) | 17.0 μg/m3 (62) | 81.0 | |
| April 8, 2021, 8 p.m. | 4.8 ppb (5) | 0.3 ppb (1) | 6.9 ppb (7) | 4.0 ppb (4) | 6.3 ppb (6) | 1.0 ppb (2) | 60.0 ppb (68) | 0.16 ppb (3) | 45.0 μg/m3 (42) | 7.0 μg/m3 (30) | 68.0 | |
| April 8, 2021, 7 p.m. | 7.8 ppb (8) | 1.0 ppb (1) | 10.2 ppb (10) | 7.0 ppb (7) | 8.9 ppb (9) | 1.0 ppb (2) | 55.0 ppb (51) | 0.19 ppb (3) | 55.0 μg/m3 (51) | 17.0 μg/m3 (62) | 62.0 | |
| April 8, 2021, 6 p.m. | 11.7 ppb (12) | 1.9 ppb (2) | 14.0 ppb (14) | 10.0 ppb (10) | 11.7 ppb (12) | 1.0 ppb (2) | 50.0 ppb (47) | 0.21 ppb (3) | 51.0 μg/m3 (48) | 15.0 μg/m3 (58) | 58.0 | |
| April 8, 2021, 5 p.m. | 14.1 ppb (14) | 2.8 ppb (3) | 16.1 ppb (16) | 11.0 ppb (11) | 12.8 ppb (13) | 1.0 ppb (2) | 40.0 ppb (38) | 0.23 ppb (3) | 48.0 μg/m3 (45) | 16.0 μg/m3 (60) | 60.0 | |
| April 8, 2021, 4 p.m. | 17.4 ppb (17) | 4.3 ppb (5) | 18.9 ppb (18) | 13.0 ppb (13) | 14.3 ppb (14) | 1.0 ppb (2) | 31.0 ppb (29) | 0.26 ppb (4) | 47.0 μg/m3 (44) | 17.0 μg/m3 (62) | 62.0 | |
| April 8, 2021, 3 p.m. | 25.6 ppb (25) | 8.2 ppb (8) | 26.8 ppb (26) | 17.0 ppb (17) | 18.4 ppb (18) | 1.0 ppb (2) | 19.0 ppb (18) | 0.31 ppb (4) | 48.0 μg/m3 (45) | 18.0 μg/m3 (64) | 64.0 | |
| April 8, 2021, 2 p.m. | 34.9 ppb (33) | 14.7 ppb (14) | 36.2 ppb (35) | 20.0 ppb (19) | 21.6 ppb (21) | 1.0 ppb (2) | 7.0 ppb (7) | 0.46 ppb (6) | 48.0 μg/m3 (45) | 17.0 μg/m3 (62) | 62.0 | |
| April 8, 2021, 1 p.m. | 39.1 ppb (37) | 15.9 ppb (15) | 35.7 ppb (34) | 23.0 ppb (22) | 22.2 ppb (21) | 0.0 ppb (0) | 3.0 ppb (3) | 0.57 ppb (7) | 41.0 μg/m3 (38) | 10.0 μg/m3 (42) | 42.0 | |
| April 8, 2021, noon | 40.6 ppb (39) | 16.2 ppb (16) | 41.3 ppb (39) | 24.0 ppb (23) | 26.6 ppb (26) | 1.0 ppb (2) | 1.0 ppb (1) | 0.49 ppb (6) | 37.0 μg/m3 (35) | 11.0 μg/m3 (46) | 46.0 | |
| April 8, 2021, 11 a.m. | 27.9 ppb (27) | 2.8 ppb (3) | 30.9 ppb (30) | 25.0 ppb (24) | 26.2 ppb (25) | 0.0 ppb (0) | 4.0 ppb (4) | 0.36 ppb (5) | 36.0 μg/m3 (34) | 11.0 μg/m3 (46) | 46.0 | |
| April 8, 2021, 10 a.m. | 22.9 ppb (22) | 2.0 ppb (2) | 22.0 ppb (21) | 21.0 ppb (20) | 20.7 ppb (20) | 0.0 ppb (0) | 7.0 ppb (7) | 0.32 ppb (4) | 41.0 μg/m3 (38) | 20.0 μg/m3 (68) | 68.0 | |
| April 8, 2021, 9 a.m. | 25.3 ppb (24) | 1.4 ppb (2) | 23.3 ppb (22) | 24.0 ppb (23) | 22.5 ppb (22) | 0.0 ppb (0) | 7.0 ppb (7) | 0.36 ppb (5) | 44.0 μg/m3 (41) | 13.0 μg/m3 (53) | 53.0 | |
| April 8, 2021, 8 a.m. | 22.7 ppb (22) | 1.1 ppb (2) | 22.0 ppb (21) | 22.0 ppb (21) | 21.3 ppb (21) | 0.0 ppb (0) | 12.0 ppb (12) | 0.34 ppb (4) | 42.0 μg/m3 (39) | 13.0 μg/m3 (53) | 53.0 | |
| April 8, 2021, 7 a.m. | 11.7 ppb (12) | 0.3 ppb (1) | 13.3 ppb (13) | 11.0 ppb (11) | 13.0 ppb (13) | 0.0 ppb (0) | 26.0 ppb (25) | 0.25 ppb (3) | 35.0 μg/m3 (33) | 13.0 μg/m3 (53) | 53.0 | |
| April 8, 2021, 6 a.m. | 17.1 ppb (17) | 0.5 ppb (1) | 18.5 ppb (18) | 17.0 ppb (17) | 18.1 ppb (18) | 0.0 ppb (0) | 19.0 ppb (18) | 0.36 ppb (5) | 51.0 μg/m3 (48) | 17.0 μg/m3 (62) | 62.0 | |
| April 8, 2021, 5 a.m. | 12.9 ppb (13) | 0.3 ppb (1) | 14.8 ppb (14) | 13.0 ppb (13) | 14.4 ppb (14) | 0.0 ppb (0) | 28.0 ppb (26) | 0.26 ppb (4) | 46.0 μg/m3 (43) | 13.0 μg/m3 (53) | 53.0 | |
| April 8, 2021, 4 a.m. | 13.9 ppb (14) | 0.2 ppb (1) | 15.9 ppb (15) | 14.0 ppb (14) | 15.5 ppb (15) | 1.0 ppb (2) | 32.0 ppb (30) | 0.23 ppb (3) | 56.0 μg/m3 (52) | 13.0 μg/m3 (53) | 53.0 | |
| April 8, 2021, 3 a.m. | 10.9 ppb (11) | 0.1 ppb (1) | 13.1 ppb (13) | 11.0 ppb (11) | 12.7 ppb (12) | 1.0 ppb (2) | 41.0 ppb (38) | 0.21 ppb (3) | 55.0 μg/m3 (51) | 13.0 μg/m3 (53) | 53.0 | |
| April 8, 2021, 2 a.m. | 10.1 ppb (10) | 0.1 ppb (1) | 12.1 ppb (12) | 10.0 ppb (10) | 11.8 ppb (12) | 1.0 ppb (2) | 51.0 ppb (48) | 0.2 ppb (3) | 56.0 μg/m3 (52) | 14.0 μg/m3 (55) | 55.0 | |
| April 8, 2021, 1 a.m. | 11.8 ppb (12) | 0.3 ppb (1) | 14.4 ppb (14) | 11.0 ppb (11) | 13.7 ppb (13) | 1.0 ppb (2) | 56.0 ppb (55) | 0.22 ppb (3) | 72.0 μg/m3 (60) | 20.0 μg/m3 (68) | 68.0 | |
| April 8, 2021, midnight | 14.0 ppb (14) | 0.7 ppb (1) | 17.0 ppb (17) | 13.0 ppb (13) | 15.9 ppb (15) | 1.0 ppb (2) | 62.0 ppb (74) | 0.25 ppb (3) | 65.0 μg/m3 (56) | 19.0 μg/m3 (66) | 74.0 | |
| April 7, 2021, 11 p.m. | 9.6 ppb (10) | 0.4 ppb (1) | 12.9 ppb (13) | 9.0 ppb (9) | 12.1 ppb (12) | 1.0 ppb (2) | 78.0 ppb (105) | 0.25 ppb (3) | 66.0 μg/m3 (57) | 17.0 μg/m3 (62) | 105.0 | |
| April 7, 2021, 10 p.m. | 7.0 ppb (7) | 0.3 ppb (1) | 10.4 ppb (10) | 7.0 ppb (7) | 9.7 ppb (10) | 1.0 ppb (2) | 78.0 ppb (105) | 0.22 ppb (3) | 47.0 μg/m3 (44) | 12.0 μg/m3 (50) | 105.0 | |
| April 7, 2021, 9 p.m. | 7.1 ppb (7) | 0.5 ppb (1) | 10.0 ppb (10) | 7.0 ppb (7) | 9.0 ppb (9) | 1.0 ppb (2) | 69.0 ppb (97) | 0.19 ppb (3) | 38.0 μg/m3 (36) | 9.0 μg/m3 (38) | 97.0 | |
| April 7, 2021, 8 p.m. | 4.4 ppb (5) | 0.3 ppb (1) | 6.9 ppb (7) | 4.0 ppb (4) | 6.2 ppb (6) | 1.0 ppb (2) | 62.0 ppb (74) | 0.16 ppb (3) | 35.0 μg/m3 (33) | 7.0 μg/m3 (30) | 74.0 | |
| April 7, 2021, 7 p.m. | 8.9 ppb (9) | 1.0 ppb (1) | 12.1 ppb (12) | 8.0 ppb (8) | 10.7 ppb (11) | 1.0 ppb (2) | 60.0 ppb (68) | 0.2 ppb (3) | 62.0 μg/m3 (55) | 16.0 μg/m3 (60) | 68.0 | |
| April 7, 2021, 6 p.m. | 14.2 ppb (14) | 2.2 ppb (3) | 16.9 ppb (16) | 12.0 ppb (12) | 14.2 ppb (14) | 1.0 ppb (2) | 53.0 ppb (50) | 0.24 ppb (3) | 47.0 μg/m3 (44) | 17.0 μg/m3 (62) | 62.0 | |
| April 7, 2021, 5 p.m. | 35.2 ppb (34) | 9.7 ppb (10) | 38.1 ppb (36) | 25.0 ppb (24) | 27.8 ppb (27) | 1.0 ppb (2) | 35.0 ppb (33) | 0.36 ppb (5) | 80.0 μg/m3 (64) | 24.0 μg/m3 (77) | 77.0 | |
| April 7, 2021, 4 p.m. | 61.9 ppb (60) | 27.1 ppb (26) | 64.1 ppb (62) | 35.0 ppb (34) | 36.7 ppb (35) | 1.0 ppb (2) | 15.0 ppb (14) | 0.47 ppb (6) | 88.0 μg/m3 (68) | 32.0 μg/m3 (93) | 93.0 | |
| April 7, 2021, 3 p.m. | 65.8 ppb (64) | 37.2 ppb (36) | 67.5 ppb (66) | 29.0 ppb (28) | 30.3 ppb (29) | 1.0 ppb (2) | 6.0 ppb (6) | 0.62 ppb (7) | 76.0 μg/m3 (62) | 23.0 μg/m3 (74) | 74.0 | |
| April 7, 2021, 2 p.m. | 58.4 ppb (56) | 32.4 ppb (31) | 58.8 ppb (57) | 26.0 ppb (25) | 27.5 ppb (26) | 1.0 ppb (2) | 4.0 ppb (4) | 0.56 ppb (7) | 57.0 μg/m3 (52) | 16.0 μg/m3 (60) | 60.0 | |
| April 7, 2021, 1 p.m. | 40.0 ppb (38) | 18.3 ppb (18) | 39.9 ppb (38) | 22.0 ppb (21) | 23.1 ppb (22) | 1.0 ppb (2) | 2.0 ppb (2) | 0.53 ppb (6) | 53.0 μg/m3 (50) | 11.0 μg/m3 (46) | 50.0 | |
| April 7, 2021, noon | 36.7 ppb (35) | 12.4 ppb (12) | 36.5 ppb (35) | 24.0 ppb (23) | 27.3 ppb (26) | 0.0 ppb (0) | 2.0 ppb (2) | 0.41 ppb (5) | 41.0 μg/m3 (38) | 11.0 μg/m3 (46) | 46.0 | |
| April 7, 2021, 11 a.m. | 29.7 ppb (29) | 5.3 ppb (5) | 31.7 ppb (30) | 24.0 ppb (23) | 25.4 ppb (24) | 0.0 ppb (0) | 2.0 ppb (2) | 0.34 ppb (4) | 37.0 μg/m3 (35) | 15.0 μg/m3 (58) | 58.0 | |
| April 7, 2021, 10 a.m. | 27.2 ppb (26) | 4.7 ppb (5) | 27.8 ppb (27) | 22.0 ppb (21) | 24.8 ppb (24) | 0.0 ppb (0) | 2.0 ppb (2) | 0.35 ppb (4) | 36.0 μg/m3 (34) | 10.0 μg/m3 (42) | 42.0 | |
| April 7, 2021, 9 a.m. | 29.2 ppb (28) | 3.5 ppb (4) | 28.7 ppb (28) | 26.0 ppb (25) | 25.8 ppb (25) | 0.0 ppb (0) | 3.0 ppb (3) | 0.35 ppb (4) | 41.0 μg/m3 (38) | 11.0 μg/m3 (46) | 46.0 | |
| April 7, 2021, 8 a.m. | 21.1 ppb (20) | 1.1 ppb (2) | 20.9 ppb (20) | 20.0 ppb (19) | 20.4 ppb (20) | 0.0 ppb (0) | 10.0 ppb (10) | 0.33 ppb (4) | 40.0 μg/m3 (38) | 12.0 μg/m3 (50) | 50.0 | |
| April 7, 2021, 7 a.m. | 9.6 ppb (10) | 0.3 ppb (1) | 11.4 ppb (11) | 9.0 ppb (9) | 11.1 ppb (11) | 0.0 ppb (0) | 23.0 ppb (22) | 0.22 ppb (3) | 45.0 μg/m3 (42) | 13.0 μg/m3 (53) | 53.0 | |
| April 7, 2021, 6 a.m. | 9.9 ppb (10) | 0.2 ppb (1) | 11.4 ppb (11) | 10.0 ppb (10) | 11.1 ppb (11) | 0.0 ppb (0) | 25.0 ppb (24) | 0.2 ppb (3) | 40.0 μg/m3 (38) | 12.0 μg/m3 (50) | 50.0 | |
| April 7, 2021, 5 a.m. | 11.3 ppb (11) | 0.2 ppb (1) | 12.3 ppb (12) | 11.0 ppb (11) | 12.0 ppb (12) | 0.0 ppb (0) | 27.0 ppb (25) | 0.2 ppb (3) | 50.0 μg/m3 (47) | 17.0 μg/m3 (62) | 62.0 | |
| April 7, 2021, 4 a.m. | 10.4 ppb (10) | 0.1 ppb (1) | 11.8 ppb (12) | 10.0 ppb (10) | 11.5 ppb (11) | 0.0 ppb (0) | 32.0 ppb (30) | 0.21 ppb (3) | 45.0 μg/m3 (42) | 12.0 μg/m3 (50) | 50.0 | |
| April 7, 2021, 3 a.m. | 9.6 ppb (10) | 0.1 ppb (1) | 11.0 ppb (11) | 10.0 ppb (10) | 10.7 ppb (11) | 0.0 ppb (0) | 40.0 ppb (38) | 0.2 ppb (3) | 48.0 μg/m3 (45) | 10.0 μg/m3 (42) | 45.0 | |
| April 7, 2021, 2 a.m. | 7.8 ppb (8) | 0.0 ppb (0) | 9.4 ppb (9) | 8.0 ppb (8) | 9.1 ppb (9) | 1.0 ppb (2) | 47.0 ppb (44) | 0.19 ppb (3) | 53.0 μg/m3 (50) | 9.0 μg/m3 (38) | 50.0 | |
| April 7, 2021, 1 a.m. | 6.8 ppb (7) | 0.1 ppb (1) | 8.8 ppb (9) | 7.0 ppb (7) | 8.3 ppb (8) | 0.0 ppb (0) | 55.0 ppb (51) | 0.19 ppb (3) | 50.0 μg/m3 (47) | 11.0 μg/m3 (46) | 51.0 | |
| April 7, 2021, midnight | 5.9 ppb (6) | 0.2 ppb (1) | 8.4 ppb (8) | 6.0 ppb (6) | 7.8 ppb (8) | 0.0 ppb (0) | 60.0 ppb (68) | 0.17 ppb (3) | 47.0 μg/m3 (44) | 13.0 μg/m3 (53) | 68.0 | |
| April 6, 2021, 11 p.m. | 6.0 ppb (6) | 0.4 ppb (1) | 8.6 ppb (9) | 6.0 ppb (6) | 7.9 ppb (8) | 0.0 ppb (0) | 61.0 ppb (71) | 0.17 ppb (3) | 49.0 μg/m3 (46) | 16.0 μg/m3 (60) | 71.0 | |
| April 6, 2021, 10 p.m. | 7.1 ppb (7) | 0.6 ppb (1) | 9.7 ppb (10) | 6.0 ppb (6) | 8.7 ppb (9) | 0.0 ppb (0) | 59.0 ppb (65) | 0.19 ppb (3) | 60.0 μg/m3 (54) | 17.0 μg/m3 (62) | 65.0 | |
| April 6, 2021, 9 p.m. | 7.5 ppb (8) | 0.9 ppb (1) | 10.0 ppb (10) | 7.0 ppb (7) | 8.7 ppb (9) | 0.0 ppb (0) | 54.0 ppb (50) | 0.18 ppb (3) | 46.0 μg/m3 (43) | 15.0 μg/m3 (58) | 58.0 | |
| April 6, 2021, 8 p.m. | 5.9 ppb (6) | 0.8 ppb (1) | 8.2 ppb (8) | 5.0 ppb (5) | 7.1 ppb (7) | 0.0 ppb (0) | 49.0 ppb (46) | 0.17 ppb (3) | 56.0 μg/m3 (52) | 15.0 μg/m3 (58) | 58.0 | |
| April 6, 2021, 7 p.m. | 8.2 ppb (8) | 1.7 ppb (2) | 10.4 ppb (10) | 7.0 ppb (7) | 8.5 ppb (9) | 0.0 ppb (0) | 39.0 ppb (37) | 0.18 ppb (3) | 53.0 μg/m3 (50) | 21.0 μg/m3 (70) | 70.0 | |
| April 6, 2021, 6 p.m. | 13.6 ppb (13) | 3.6 ppb (4) | 15.6 ppb (15) | 10.0 ppb (10) | 11.6 ppb (11) | 0.0 ppb (0) | 34.0 ppb (32) | 0.19 ppb (3) | 49.0 μg/m3 (46) | 19.0 μg/m3 (66) | 66.0 | |
| April 6, 2021, 5 p.m. | 19.3 ppb (19) | 6.0 ppb (6) | 20.8 ppb (20) | 13.0 ppb (13) | 14.3 ppb (14) | 0.0 ppb (0) | 27.0 ppb (25) | 0.21 ppb (3) | 53.0 μg/m3 (50) | 19.0 μg/m3 (66) | 66.0 | |
| April 6, 2021, 4 p.m. | 13.7 ppb (13) | 3.0 ppb (3) | 14.8 ppb (14) | 11.0 ppb (11) | 11.5 ppb (11) | 0.0 ppb (0) | 26.0 ppb (25) | 0.19 ppb (3) | 53.0 μg/m3 (50) | 25.0 μg/m3 (79) | 79.0 | |
| April 6, 2021, 3 p.m. | 10.4 ppb (10) | 1.2 ppb (2) | 11.4 ppb (11) | 9.0 ppb (9) | 9.9 ppb (10) | 0.0 ppb (0) | 24.0 ppb (23) | 0.17 ppb (3) | 55.0 μg/m3 (51) | 22.0 μg/m3 (72) | 72.0 | |
| April 6, 2021, 2 p.m. | 9.9 ppb (10) | 0.8 ppb (1) | 10.9 ppb (11) | 9.0 ppb (9) | 9.8 ppb (10) | 0.0 ppb (0) | 24.0 ppb (23) | 0.16 ppb (3) | 38.0 μg/m3 (36) | 20.0 μg/m3 (68) | 68.0 | |
| April 6, 2021, 1 p.m. | 11.2 ppb (11) | 0.7 ppb (1) | 10.2 ppb (10) | 10.0 ppb (10) | 9.4 ppb (9) | 0.0 ppb (0) | 16.0 ppb (15) | 0.22 ppb (3) | 27.0 μg/m3 (25) | -1.0 μg/m3 (0) | 25.0 | |
| April 6, 2021, noon | 19.0 ppb (18) | 4.2 ppb (4) | 16.6 ppb (16) | 15.0 ppb (15) | 14.4 ppb (14) | 0.0 ppb (0) | 9.0 ppb (9) | 0.23 ppb (3) | 47.0 μg/m3 (44) | 6.0 μg/m3 (25) | 44.0 | |
| April 6, 2021, 11 a.m. | 9.6 ppb (10) | 0.3 ppb (1) | 9.3 ppb (9) | 9.0 ppb (9) | 8.9 ppb (9) | 0.0 ppb (0) | 18.0 ppb (17) | 0.16 ppb (3) | 30.0 μg/m3 (28) | 8.0 μg/m3 (34) | 34.0 | |
| April 6, 2021, 10 a.m. | 9.7 ppb (10) | 0.5 ppb (1) | 9.6 ppb (10) | 9.0 ppb (9) | 9.2 ppb (9) | 0.0 ppb (0) | 19.0 ppb (18) | 0.17 ppb (3) | 33.0 μg/m3 (31) | 19.0 μg/m3 (66) | 66.0 | |
| April 6, 2021, 9 a.m. | 7.1 ppb (7) | 0.2 ppb (1) | 7.5 ppb (8) | 7.0 ppb (7) | 7.1 ppb (7) | 0.0 ppb (0) | 25.0 ppb (24) | 0.16 ppb (3) | 30.0 μg/m3 (28) | 11.0 μg/m3 (46) | 46.0 | |
| April 6, 2021, 8 a.m. | 8.2 ppb (8) | 0.2 ppb (1) | 10.1 ppb (10) | 8.0 ppb (8) | 9.8 ppb (10) | 0.0 ppb (0) | 25.0 ppb (24) | 0.15 ppb (2) | 24.0 μg/m3 (23) | 11.0 μg/m3 (46) | 46.0 | |
| April 6, 2021, 7 a.m. | 12.8 ppb (13) | 0.3 ppb (1) | 13.2 ppb (13) | 13.0 ppb (13) | 12.8 ppb (13) | 0.0 ppb (0) | 22.0 ppb (21) | 0.18 ppb (3) | 31.0 μg/m3 (29) | 12.0 μg/m3 (50) | 50.0 | |
| April 6, 2021, 6 a.m. | 8.7 ppb (9) | 0.2 ppb (1) | 9.3 ppb (9) | 8.0 ppb (8) | 9.0 ppb (9) | 0.0 ppb (0) | 28.0 ppb (26) | 0.17 ppb (3) | 31.0 μg/m3 (29) | 12.0 μg/m3 (50) | 50.0 | |
| April 6, 2021, 5 a.m. | 8.6 ppb (9) | 0.2 ppb (1) | 9.5 ppb (9) | 8.0 ppb (8) | 9.2 ppb (9) | 0.0 ppb (0) | 31.0 ppb (29) | 0.17 ppb (3) | 32.0 μg/m3 (30) | 11.0 μg/m3 (46) | 46.0 | |
| April 6, 2021, 4 a.m. | 7.8 ppb (8) | 0.1 ppb (1) | 8.5 ppb (9) | 8.0 ppb (8) | 8.1 ppb (8) | 0.0 ppb (0) | 33.0 ppb (31) | 0.17 ppb (3) | 31.0 μg/m3 (29) | 10.0 μg/m3 (42) | 42.0 | |
| April 6, 2021, 3 a.m. | 7.2 ppb (7) | 0.1 ppb (1) | 7.8 ppb (8) | 7.0 ppb (7) | 7.4 ppb (7) | 1.0 ppb (2) | 36.0 ppb (34) | 0.15 ppb (2) | 30.0 μg/m3 (28) | 8.0 μg/m3 (34) | 34.0 | |
| April 6, 2021, 2 a.m. | 5.8 ppb (6) | 0.0 ppb (0) | 6.6 ppb (7) | 6.0 ppb (6) | 6.2 ppb (6) | 1.0 ppb (2) | 40.0 ppb (38) | 0.14 ppb (2) | 40.0 μg/m3 (38) | 8.0 μg/m3 (34) | 38.0 | |
| April 6, 2021, 1 a.m. | 6.2 ppb (6) | 0.2 ppb (1) | 7.3 ppb (7) | 6.0 ppb (6) | 6.7 ppb (7) | 1.0 ppb (2) | 43.0 ppb (40) | 0.14 ppb (2) | 45.0 μg/m3 (42) | 10.0 μg/m3 (42) | 42.0 | |
| April 6, 2021, midnight | 5.5 ppb (6) | 0.3 ppb (1) | 6.8 ppb (7) | 5.0 ppb (5) | 6.0 ppb (6) | 1.0 ppb (2) | 49.0 ppb (46) | 0.14 ppb (2) | 48.0 μg/m3 (45) | 13.0 μg/m3 (53) | 53.0 | |
| April 5, 2021, 11 p.m. | 4.4 ppb (5) | 0.3 ppb (1) | 5.9 ppb (6) | 4.0 ppb (4) | 5.2 ppb (5) | 0.0 ppb (0) | 53.0 ppb (50) | 0.15 ppb (2) | 49.0 μg/m3 (46) | 12.0 μg/m3 (50) | 50.0 | |
| April 5, 2021, 10 p.m. | 5.0 ppb (5) | 0.3 ppb (1) | 6.8 ppb (7) | 5.0 ppb (5) | 6.1 ppb (6) | 0.0 ppb (0) | 58.0 ppb (61) | 0.16 ppb (3) | 57.0 μg/m3 (52) | 10.0 μg/m3 (42) | 61.0 | |
| April 5, 2021, 9 p.m. | 5.2 ppb (5) | 0.4 ppb (1) | 7.0 ppb (7) | 5.0 ppb (5) | 6.2 ppb (6) | 1.0 ppb (2) | 56.0 ppb (55) | 0.17 ppb (3) | 49.0 μg/m3 (46) | 11.0 μg/m3 (46) | 55.0 | |
| April 5, 2021, 8 p.m. | 5.9 ppb (6) | 0.7 ppb (1) | 7.9 ppb (8) | 5.0 ppb (5) | 6.8 ppb (7) | 1.0 ppb (2) | 52.0 ppb (49) | 0.16 ppb (3) | 48.0 μg/m3 (45) | 12.0 μg/m3 (50) | 50.0 | |
| April 5, 2021, 7 p.m. | 10.3 ppb (10) | 1.6 ppb (2) | 12.1 ppb (12) | 9.0 ppb (9) | 10.0 ppb (10) | 1.0 ppb (2) | 49.0 ppb (46) | 0.22 ppb (3) | 40.0 μg/m3 (38) | 12.0 μg/m3 (50) | 50.0 | |
| April 5, 2021, 6 p.m. | 9.3 ppb (9) | 1.5 ppb (2) | 10.8 ppb (11) | 8.0 ppb (8) | 9.0 ppb (9) | 1.0 ppb (2) | 47.0 ppb (44) | 0.23 ppb (3) | 39.0 μg/m3 (37) | 15.0 μg/m3 (58) | 58.0 | |
| April 5, 2021, 5 p.m. | 12.5 ppb (12) | 2.8 ppb (3) | 13.8 ppb (14) | 10.0 ppb (10) | 10.6 ppb (10) | 1.0 ppb (2) | 37.0 ppb (35) | 0.27 ppb (4) | 33.0 μg/m3 (31) | 16.0 μg/m3 (60) | 60.0 | |
| April 5, 2021, 4 p.m. | 18.8 ppb (18) | 5.7 ppb (6) | 20.0 ppb (19) | 13.0 ppb (13) | 14.0 ppb (14) | 1.0 ppb (2) | 25.0 ppb (24) | 0.35 ppb (4) | 49.0 μg/m3 (46) | 36.0 μg/m3 (103) | 103.0 | |
| April 5, 2021, 3 p.m. | 33.2 ppb (32) | 14.3 ppb (14) | 34.6 ppb (33) | 19.0 ppb (18) | 20.1 ppb (19) | 1.0 ppb (2) | 13.0 ppb (13) | 0.48 ppb (6) | 64.0 μg/m3 (56) | 24.0 μg/m3 (77) | 77.0 | |
| April 5, 2021, 2 p.m. | 43.0 ppb (41) | 22.8 ppb (22) | 44.1 ppb (42) | 20.0 ppb (19) | 21.7 ppb (21) | 1.0 ppb (2) | 5.0 ppb (5) | 0.48 ppb (6) | 54.0 μg/m3 (50) | 17.0 μg/m3 (62) | 62.0 | |
| April 5, 2021, 1 p.m. | 42.7 ppb (41) | 20.9 ppb (20) | 40.6 ppb (39) | 22.0 ppb (21) | 22.3 ppb (22) | 1.0 ppb (2) | 1.0 ppb (1) | 0.6 ppb (7) | 38.0 μg/m3 (36) | 15.0 μg/m3 (58) | 58.0 | |
| April 5, 2021, noon | 37.4 ppb (36) | 14.9 ppb (15) | 29.6 ppb (28) | 23.0 ppb (22) | 22.2 ppb (21) | 0.0 ppb (0) | 2.0 ppb (2) | 0.46 ppb (6) | 38.0 μg/m3 (36) | 10.0 μg/m3 (42) | 42.0 | |
| April 5, 2021, 11 a.m. | 23.4 ppb (23) | 3.2 ppb (4) | 23.3 ppb (22) | 20.0 ppb (19) | 19.9 ppb (19) | 0.0 ppb (0) | 3.0 ppb (3) | 0.35 ppb (4) | 38.0 μg/m3 (36) | 14.0 μg/m3 (55) | 55.0 | |
| April 5, 2021, 10 a.m. | 31.5 ppb (30) | 4.0 ppb (4) | 29.2 ppb (28) | 27.0 ppb (26) | 26.8 ppb (26) | 0.0 ppb (0) | 2.0 ppb (2) | 0.39 ppb (5) | 35.0 μg/m3 (33) | 16.0 μg/m3 (60) | 60.0 | |
| April 5, 2021, 9 a.m. | 17.0 ppb (17) | 1.2 ppb (2) | 16.3 ppb (16) | 16.0 ppb (16) | 15.7 ppb (15) | 0.0 ppb (0) | 14.0 ppb (13) | 0.3 ppb (4) | 38.0 μg/m3 (36) | 8.0 μg/m3 (34) | 36.0 | |
| April 5, 2021, 8 a.m. | 10.9 ppb (11) | 0.4 ppb (1) | 12.0 ppb (12) | 11.0 ppb (11) | 11.7 ppb (12) | 0.0 ppb (0) | 21.0 ppb (20) | 0.26 ppb (4) | 40.0 μg/m3 (38) | 18.0 μg/m3 (64) | 64.0 | |
| April 5, 2021, 7 a.m. | 12.4 ppb (12) | 0.4 ppb (1) | 12.5 ppb (12) | 12.0 ppb (12) | 12.1 ppb (12) | 0.0 ppb (0) | 23.0 ppb (22) | 0.33 ppb (4) | 36.0 μg/m3 (34) | 16.0 μg/m3 (60) | 60.0 | |
| April 5, 2021, 6 a.m. | 15.0 ppb (15) | 0.4 ppb (1) | 16.5 ppb (16) | 15.0 ppb (15) | 16.2 ppb (16) | 1.0 ppb (2) | 22.0 ppb (21) | 0.36 ppb (5) | 45.0 μg/m3 (42) | 14.0 μg/m3 (55) | 55.0 | |
| April 5, 2021, 5 a.m. | 14.2 ppb (14) | 0.3 ppb (1) | 15.4 ppb (15) | 14.0 ppb (14) | 15.1 ppb (15) | 1.0 ppb (2) | 29.0 ppb (27) | 0.29 ppb (4) | 41.0 μg/m3 (38) | 15.0 μg/m3 (58) | 58.0 | |
| April 5, 2021, 4 a.m. | 14.2 ppb (14) | 0.2 ppb (1) | 15.5 ppb (15) | 14.0 ppb (14) | 15.2 ppb (15) | 1.0 ppb (2) | 32.0 ppb (30) | 0.24 ppb (3) | 49.0 μg/m3 (46) | 14.0 μg/m3 (55) | 55.0 | |
| April 5, 2021, 3 a.m. | 9.2 ppb (9) | 0.1 ppb (1) | 10.4 ppb (10) | 9.0 ppb (9) | 10.0 ppb (10) | 1.0 ppb (2) | 45.0 ppb (42) | 0.22 ppb (3) | 45.0 μg/m3 (42) | 11.0 μg/m3 (46) | 46.0 | |
| April 5, 2021, 2 a.m. | 7.8 ppb (8) | 0.1 ppb (1) | 8.6 ppb (9) | 8.0 ppb (8) | 8.2 ppb (8) | 1.0 ppb (2) | 50.0 ppb (47) | 0.21 ppb (3) | 38.0 μg/m3 (36) | 10.0 μg/m3 (42) | 47.0 | |
| April 5, 2021, 1 a.m. | 6.7 ppb (7) | 0.1 ppb (1) | 8.0 ppb (8) | 7.0 ppb (7) | 7.6 ppb (8) | 1.0 ppb (2) | 57.0 ppb (58) | 0.21 ppb (3) | 39.0 μg/m3 (37) | 12.0 μg/m3 (50) | 58.0 | |
| April 5, 2021, midnight | 7.6 ppb (8) | 0.3 ppb (1) | 9.1 ppb (9) | 7.0 ppb (7) | 8.4 ppb (8) | 1.0 ppb (2) | 60.0 ppb (68) | 0.21 ppb (3) | 44.0 μg/m3 (41) | 15.0 μg/m3 (58) | 68.0 | |
| April 4, 2021, 11 p.m. | 5.5 ppb (6) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 64.0 ppb (81) | 0.2 ppb (3) | 39.0 μg/m3 (37) | 9.0 μg/m3 (38) | 81.0 | |
| April 4, 2021, 10 p.m. | 4.5 ppb (5) | 0.1 ppb (1) | 6.3 ppb (6) | 4.0 ppb (4) | 5.7 ppb (6) | 1.0 ppb (2) | 69.0 ppb (97) | 0.2 ppb (3) | 32.0 μg/m3 (30) | 8.0 μg/m3 (34) | 97.0 | |
| April 4, 2021, 9 p.m. | 4.3 ppb (5) | 0.1 ppb (1) | 6.4 ppb (7) | 4.0 ppb (4) | 5.8 ppb (6) | 1.0 ppb (2) | 70.0 ppb (100) | 0.2 ppb (3) | 35.0 μg/m3 (33) | 10.0 μg/m3 (42) | 100.0 | |
| April 4, 2021, 8 p.m. | 3.8 ppb (4) | 0.1 ppb (1) | 5.4 ppb (6) | 4.0 ppb (4) | 4.8 ppb (5) | 0.0 ppb (0) | 64.0 ppb (81) | 0.17 ppb (3) | 32.0 μg/m3 (30) | 11.0 μg/m3 (46) | 81.0 | |
| April 4, 2021, 7 p.m. | 5.7 ppb (6) | 0.4 ppb (1) | 7.4 ppb (7) | 5.0 ppb (5) | 6.6 ppb (7) | 1.0 ppb (2) | 65.0 ppb (84) | 0.21 ppb (3) | 25.0 μg/m3 (24) | 12.0 μg/m3 (50) | 84.0 | |
| April 4, 2021, 6 p.m. | 8.1 ppb (8) | 0.9 ppb (1) | 10.0 ppb (10) | 7.0 ppb (7) | 8.6 ppb (9) | 1.0 ppb (2) | 58.0 ppb (61) | 0.23 ppb (3) | 30.0 μg/m3 (28) | 13.0 μg/m3 (53) | 61.0 | |
| April 4, 2021, 5 p.m. | 18.0 ppb (17) | 3.4 ppb (4) | 20.7 ppb (20) | 15.0 ppb (15) | 16.6 ppb (16) | 1.0 ppb (2) | 46.0 ppb (43) | 0.34 ppb (4) | 38.0 μg/m3 (36) | 19.0 μg/m3 (66) | 66.0 | |
| April 4, 2021, 4 p.m. | 35.7 ppb (34) | 10.6 ppb (10) | 38.2 ppb (37) | 25.0 ppb (24) | 26.8 ppb (26) | 1.0 ppb (2) | 26.0 ppb (25) | 0.45 ppb (6) | 48.0 μg/m3 (45) | 24.0 μg/m3 (77) | 77.0 | |
| April 4, 2021, 3 p.m. | 47.1 ppb (45) | 18.3 ppb (18) | 49.1 ppb (47) | 29.0 ppb (28) | 30.5 ppb (29) | 1.0 ppb (2) | 14.0 ppb (13) | 0.51 ppb (6) | 50.0 μg/m3 (47) | 23.0 μg/m3 (74) | 74.0 | |
| April 4, 2021, 2 p.m. | 53.9 ppb (51) | 24.5 ppb (24) | 55.6 ppb (53) | 29.0 ppb (28) | 31.9 ppb (31) | 1.0 ppb (2) | 5.0 ppb (5) | 0.68 ppb (8) | 71.0 μg/m3 (59) | 40.0 μg/m3 (113) | 113.0 | |
| April 4, 2021, 1 p.m. | 45.5 ppb (43) | 17.1 ppb (17) | 49.0 ppb (47) | 28.0 ppb (27) | 31.0 ppb (30) | 1.0 ppb (2) | 2.0 ppb (2) | 0.65 ppb (8) | 60.0 μg/m3 (54) | 32.0 μg/m3 (93) | 93.0 | |
| April 4, 2021, noon | 34.2 ppb (33) | 7.9 ppb (8) | 37.4 ppb (36) | 26.0 ppb (25) | 31.4 ppb (30) | 0.0 ppb (0) | 1.0 ppb (1) | 0.63 ppb (7) | 63.0 μg/m3 (55) | 28.0 μg/m3 (85) | 85.0 | |
| April 4, 2021, 11 a.m. | 27.3 ppb (26) | 2.6 ppb (3) | 30.1 ppb (29) | 25.0 ppb (24) | 28.0 ppb (27) | 0.0 ppb (0) | 4.0 ppb (4) | 0.61 ppb (7) | 61.0 μg/m3 (54) | 27.0 μg/m3 (83) | 83.0 | |
| April 4, 2021, 10 a.m. | 23.1 ppb (22) | 1.2 ppb (2) | 27.1 ppb (26) | 22.0 ppb (21) | 26.5 ppb (25) | 0.0 ppb (0) | 8.0 ppb (8) | 0.59 ppb (7) | 65.0 μg/m3 (56) | 30.0 μg/m3 (89) | 89.0 | |
| April 4, 2021, 9 a.m. | 24.2 ppb (23) | 1.0 ppb (1) | 27.5 ppb (26) | 23.0 ppb (22) | 27.0 ppb (26) | 0.0 ppb (0) | 7.0 ppb (7) | 0.58 ppb (7) | 54.0 μg/m3 (50) | 24.0 μg/m3 (77) | 77.0 | |
| April 4, 2021, 8 a.m. | 22.9 ppb (22) | 0.7 ppb (1) | 24.0 ppb (23) | 22.0 ppb (21) | 23.7 ppb (23) | 0.0 ppb (0) | 15.0 ppb (14) | 0.52 ppb (6) | 58.0 μg/m3 (53) | 25.0 μg/m3 (79) | 79.0 | |
| April 4, 2021, 7 a.m. | 28.0 ppb (27) | 0.9 ppb (1) | 30.4 ppb (29) | 27.0 ppb (26) | 29.8 ppb (29) | 0.0 ppb (0) | 13.0 ppb (13) | 0.63 ppb (7) | 63.0 μg/m3 (55) | 20.0 μg/m3 (68) | 68.0 | |
| April 4, 2021, 6 a.m. | 19.9 ppb (19) | 0.5 ppb (1) | 21.2 ppb (20) | 19.0 ppb (18) | 20.8 ppb (20) | 1.0 ppb (2) | 24.0 ppb (23) | 0.5 ppb (6) | 49.0 μg/m3 (46) | 27.0 μg/m3 (83) | 83.0 | |
| April 4, 2021, 5 a.m. | 11.1 ppb (11) | 0.3 ppb (1) | 12.8 ppb (13) | 11.0 ppb (11) | 12.4 ppb (12) | 1.0 ppb (2) | 41.0 ppb (38) | 0.33 ppb (4) | 49.0 μg/m3 (46) | 12.0 μg/m3 (50) | 50.0 | |
| April 4, 2021, 4 a.m. | 9.7 ppb (10) | 0.1 ppb (1) | 10.9 ppb (11) | 10.0 ppb (10) | 10.6 ppb (10) | 1.0 ppb (2) | 46.0 ppb (43) | 0.27 ppb (4) | 48.0 μg/m3 (45) | 18.0 μg/m3 (64) | 64.0 | |
| April 4, 2021, 3 a.m. | 9.1 ppb (9) | 0.1 ppb (1) | 10.1 ppb (10) | 9.0 ppb (9) | 9.7 ppb (10) | 1.0 ppb (2) | 52.0 ppb (49) | 0.24 ppb (3) | 52.0 μg/m3 (49) | 11.0 μg/m3 (46) | 49.0 |