Lake Elsinore (N Elsinore) CA, US: 33.676535, -117.331027
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 18, 2021, 3 a.m. | 3.2 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (42) | 0.23 ppb (3) | 71.9 μg/m3 (60) | 10.8 μg/m3 (46) | 60.0 | |
| April 18, 2021, 2 a.m. | 2.4 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 65.0 ppb (84) | 0.21 ppb (3) | 24.8 μg/m3 (23) | 10.9 μg/m3 (46) | 84.0 | |
| April 18, 2021, 1 a.m. | 1.8 ppb (2) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 69.0 ppb (97) | 0.21 ppb (3) | 68.8 μg/m3 (58) | 10.9 μg/m3 (46) | 97.0 | |
| April 18, 2021, midnight | -0.3 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 70.0 ppb (100) | 0.16 ppb (3) | 44.9 μg/m3 (42) | 7.0 μg/m3 (30) | 100.0 | |
| April 17, 2021, 11 p.m. | 0.6 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 70.0 ppb (100) | 0.17 ppb (3) | 21.4 μg/m3 (20) | 5.5 μg/m3 (23) | 100.0 | |
| April 17, 2021, 10 p.m. | 0.3 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 68.0 ppb (94) | 0.18 ppb (3) | 34.8 μg/m3 (33) | 5.8 μg/m3 (25) | 94.0 | |
| April 17, 2021, 9 p.m. | 0.3 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 65.0 ppb (84) | 0.17 ppb (3) | 26.7 μg/m3 (25) | 7.2 μg/m3 (31) | 84.0 | |
| April 17, 2021, 8 p.m. | 0.5 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 64.0 ppb (81) | 0.18 ppb (3) | 12.8 μg/m3 (12) | 11.1 μg/m3 (47) | 81.0 | |
| April 17, 2021, 7 p.m. | 2.1 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 62.0 ppb (74) | 0.23 ppb (3) | 13.3 μg/m3 (13) | 12.3 μg/m3 (52) | 74.0 | |
| April 17, 2021, 6 p.m. | 3.5 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 54.0 ppb (50) | 0.25 ppb (3) | 26.3 μg/m3 (25) | 11.6 μg/m3 (49) | 50.0 | |
| April 17, 2021, 5 p.m. | 4.2 ppb (4) | 1.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (42) | 0.25 ppb (3) | 33.6 μg/m3 (32) | 15.9 μg/m3 (59) | 59.0 | |
| April 17, 2021, 4 p.m. | 3.9 ppb (4) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.24 ppb (3) | 27.8 μg/m3 (26) | 14.6 μg/m3 (57) | 57.0 | |
| April 17, 2021, 3 p.m. | 3.3 ppb (4) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (30) | 0.23 ppb (3) | 29.9 μg/m3 (28) | 18.3 μg/m3 (65) | 65.0 | |
| April 17, 2021, 2 p.m. | 2.3 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | 0.21 ppb (3) | 27.1 μg/m3 (26) | 7.2 μg/m3 (31) | 33.0 | |
| April 17, 2021, 1 p.m. | 0.8 ppb (1) | 0.3 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 37.0 ppb (35) | 0.18 ppb (3) | 21.7 μg/m3 (21) | 8.7 μg/m3 (37) | 37.0 | |
| April 17, 2021, noon | 0.6 ppb (1) | 0.3 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 39.0 ppb (37) | 0.18 ppb (3) | 23.5 μg/m3 (22) | 8.0 μg/m3 (34) | 37.0 | |
| April 17, 2021, 11 a.m. | 0.1 ppb (1) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 39.0 ppb (37) | 0.17 ppb (3) | 20.6 μg/m3 (20) | 8.9 μg/m3 (38) | 38.0 | |
| April 17, 2021, 10 a.m. | 1.6 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 33.0 ppb (31) | 0.2 ppb (3) | 27.6 μg/m3 (26) | 9.4 μg/m3 (40) | 40.0 | |
| April 17, 2021, 9 a.m. | 0.8 ppb (1) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (33) | 0.17 ppb (3) | 20.7 μg/m3 (20) | 6.5 μg/m3 (28) | 33.0 | |
| April 17, 2021, 8 a.m. | 0.3 ppb (1) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 35.0 ppb (33) | 0.17 ppb (3) | 16.6 μg/m3 (16) | 4.1 μg/m3 (18) | 33.0 | |
| April 17, 2021, 7 a.m. | 1.0 ppb (1) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (33) | 0.18 ppb (3) | 19.2 μg/m3 (18) | 7.7 μg/m3 (33) | 33.0 | |
| April 17, 2021, 6 a.m. | 1.2 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (33) | 0.18 ppb (3) | 23.1 μg/m3 (22) | 10.3 μg/m3 (43) | 43.0 | |
| April 17, 2021, 5 a.m. | 3.3 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (35) | 0.21 ppb (3) | 31.9 μg/m3 (30) | 11.8 μg/m3 (50) | 50.0 | |
| April 17, 2021, 4 a.m. | 2.8 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.2 ppb (3) | 34.7 μg/m3 (33) | 13.2 μg/m3 (54) | 54.0 | |
| April 17, 2021, 3 a.m. | 2.8 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 46.0 ppb (43) | 0.19 ppb (3) | 42.9 μg/m3 (40) | 15.2 μg/m3 (58) | 58.0 | |
| April 17, 2021, 2 a.m. | 2.4 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 53.0 ppb (50) | 0.19 ppb (3) | 33.8 μg/m3 (32) | 10.6 μg/m3 (45) | 50.0 | |
| April 17, 2021, 1 a.m. | 1.2 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 59.0 ppb (65) | 0.18 ppb (3) | 31.9 μg/m3 (30) | 7.2 μg/m3 (31) | 65.0 | |
| April 17, 2021, midnight | -0.1 ppb (0) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 58.0 ppb (61) | 0.17 ppb (3) | 42.7 μg/m3 (40) | 7.0 μg/m3 (30) | 61.0 | |
| April 16, 2021, 11 p.m. | -0.5 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 58.0 ppb (61) | 0.15 ppb (2) | 26.1 μg/m3 (25) | 8.2 μg/m3 (35) | 61.0 | |
| April 16, 2021, 10 p.m. | -0.4 ppb (0) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 58.0 ppb (61) | 0.16 ppb (3) | 28.3 μg/m3 (27) | 7.9 μg/m3 (33) | 61.0 | |
| April 16, 2021, 9 p.m. | 0.1 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 59.0 ppb (65) | 0.17 ppb (3) | 31.5 μg/m3 (30) | 10.4 μg/m3 (44) | 65.0 | |
| April 16, 2021, 8 p.m. | -0.1 ppb (0) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 59.0 ppb (65) | 0.17 ppb (3) | 25.0 μg/m3 (24) | 9.9 μg/m3 (42) | 65.0 | |
| April 16, 2021, 7 p.m. | 0.4 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 60.0 ppb (68) | 0.17 ppb (3) | 24.2 μg/m3 (23) | 14.0 μg/m3 (55) | 68.0 | |
| April 16, 2021, 6 p.m. | 1.5 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 61.0 ppb (71) | 0.19 ppb (3) | 24.9 μg/m3 (24) | 8.5 μg/m3 (36) | 71.0 | |
| April 16, 2021, 5 p.m. | 1.8 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 59.0 ppb (65) | 0.2 ppb (3) | 3.9 μg/m3 (4) | 8.9 μg/m3 (38) | 65.0 | |
| April 16, 2021, 4 p.m. | 7.4 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (40) | 0.27 ppb (4) | 38.4 μg/m3 (36) | 15.4 μg/m3 (58) | 58.0 | |
| April 16, 2021, 3 p.m. | 10.7 ppb (11) | 3.4 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 33.0 ppb (31) | 0.28 ppb (4) | 40.6 μg/m3 (38) | 15.9 μg/m3 (59) | 59.0 | |
| April 16, 2021, 2 p.m. | 18.3 ppb (18) | 5.6 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | 18.0 ppb (17) | 0.32 ppb (4) | 45.2 μg/m3 (42) | 16.9 μg/m3 (62) | 62.0 | |
| April 16, 2021, 1 p.m. | 23.6 ppb (23) | 4.9 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | 6.0 ppb (6) | 0.4 ppb (5) | 43.6 μg/m3 (41) | 7.7 μg/m3 (33) | 41.0 | |
| April 16, 2021, noon | 13.2 ppb (13) | 1.1 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 13.0 ppb (13) | 0.32 ppb (4) | 28.9 μg/m3 (27) | 6.7 μg/m3 (28) | 28.0 | |
| April 16, 2021, 11 a.m. | 6.2 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 21.0 ppb (20) | 0.23 ppb (3) | 24.9 μg/m3 (24) | 6.0 μg/m3 (25) | 25.0 | |
| April 16, 2021, 10 a.m. | 5.1 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 23.0 ppb (22) | 0.22 ppb (3) | 30.8 μg/m3 (29) | 5.8 μg/m3 (25) | 29.0 | |
| April 16, 2021, 9 a.m. | 4.4 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (21) | 0.22 ppb (3) | 23.1 μg/m3 (22) | 7.7 μg/m3 (33) | 33.0 | |
| April 16, 2021, 8 a.m. | 3.7 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 26.0 ppb (25) | 0.21 ppb (3) | 23.0 μg/m3 (22) | 8.7 μg/m3 (37) | 37.0 | |
| April 16, 2021, 7 a.m. | 5.7 ppb (6) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 26.0 ppb (25) | 0.24 ppb (3) | 28.1 μg/m3 (27) | 8.0 μg/m3 (34) | 34.0 | |
| April 16, 2021, 6 a.m. | 4.6 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (29) | 0.24 ppb (3) | 22.9 μg/m3 (22) | 6.7 μg/m3 (28) | 29.0 | |
| April 16, 2021, 5 a.m. | 2.1 ppb (2) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | 0.18 ppb (3) | 27.4 μg/m3 (26) | 10.1 μg/m3 (43) | 43.0 | |
| April 16, 2021, 4 a.m. | 2.3 ppb (3) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | 0.19 ppb (3) | 30.4 μg/m3 (29) | 8.6 μg/m3 (36) | 37.0 | |
| April 16, 2021, 3 a.m. | 2.3 ppb (3) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (42) | 0.19 ppb (3) | 32.6 μg/m3 (31) | 5.3 μg/m3 (23) | 42.0 | |
| April 16, 2021, 2 a.m. | 1.6 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (46) | 0.19 ppb (3) | 25.9 μg/m3 (24) | 16.1 μg/m3 (60) | 60.0 | |
| April 16, 2021, 1 a.m. | 0.4 ppb (1) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 52.0 ppb (49) | 0.17 ppb (3) | 29.2 μg/m3 (28) | 8.2 μg/m3 (35) | 49.0 | |
| April 16, 2021, midnight | 0.1 ppb (1) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 53.0 ppb (50) | 0.17 ppb (3) | 35.4 μg/m3 (33) | 10.1 μg/m3 (43) | 50.0 | |
| April 15, 2021, 11 p.m. | 0.0 ppb (0) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 54.0 ppb (50) | 0.16 ppb (3) | 38.3 μg/m3 (36) | 13.0 μg/m3 (53) | 53.0 | |
| April 15, 2021, 10 p.m. | 0.2 ppb (1) | 0.3 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 56.0 ppb (55) | 0.16 ppb (3) | 48.1 μg/m3 (45) | 13.2 μg/m3 (54) | 55.0 | |
| April 15, 2021, 9 p.m. | 1.3 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 64.0 ppb (81) | 0.18 ppb (3) | 43.8 μg/m3 (41) | 17.1 μg/m3 (62) | 81.0 | |
| April 15, 2021, 8 p.m. | 0.9 ppb (1) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 62.0 ppb (74) | 0.17 ppb (3) | 26.5 μg/m3 (25) | 8.2 μg/m3 (35) | 74.0 | |
| April 15, 2021, 7 p.m. | 0.7 ppb (1) | 0.3 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 57.0 ppb (58) | 0.17 ppb (3) | 23.8 μg/m3 (23) | 10.1 μg/m3 (43) | 58.0 | |
| April 15, 2021, 6 p.m. | 0.4 ppb (1) | 0.3 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 52.0 ppb (49) | 0.17 ppb (3) | 19.0 μg/m3 (18) | 9.6 μg/m3 (40) | 49.0 | |
| April 15, 2021, 5 p.m. | 1.3 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 47.0 ppb (44) | 0.18 ppb (3) | 28.2 μg/m3 (27) | 11.1 μg/m3 (47) | 47.0 | |
| April 15, 2021, 4 p.m. | 3.5 ppb (4) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.2 ppb (3) | 26.6 μg/m3 (25) | 12.5 μg/m3 (52) | 52.0 | |
| April 15, 2021, 3 p.m. | 5.2 ppb (5) | 1.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.2 ppb (3) | 24.1 μg/m3 (23) | 12.1 μg/m3 (51) | 51.0 | |
| April 15, 2021, 2 p.m. | 24.5 ppb (24) | 7.4 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | 14.0 ppb (13) | 0.34 ppb (4) | 43.3 μg/m3 (41) | 6.0 μg/m3 (25) | 41.0 | |
| April 15, 2021, 1 p.m. | 26.6 ppb (26) | 4.1 ppb (4) | N/A | 23.0 ppb (22) | N/A | N/A | 7.0 ppb (7) | 0.33 ppb (4) | 33.1 μg/m3 (31) | 1.2 μg/m3 (5) | 31.0 | |
| April 15, 2021, noon | 12.6 ppb (12) | 0.6 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 17.0 ppb (16) | 0.26 ppb (4) | 19.9 μg/m3 (19) | 2.6 μg/m3 (11) | 19.0 | |
| April 15, 2021, 11 a.m. | 3.4 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.17 ppb (3) | 16.0 μg/m3 (15) | 6.3 μg/m3 (27) | 29.0 | |
| April 15, 2021, 10 a.m. | 2.9 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | 0.16 ppb (3) | 15.4 μg/m3 (15) | 9.2 μg/m3 (39) | 39.0 | |
| April 15, 2021, 9 a.m. | 0.3 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 38.0 ppb (36) | 0.15 ppb (2) | 18.6 μg/m3 (18) | 8.0 μg/m3 (34) | 36.0 | |
| April 15, 2021, 8 a.m. | 0.5 ppb (1) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 40.0 ppb (38) | 0.16 ppb (3) | 17.8 μg/m3 (17) | 6.3 μg/m3 (27) | 38.0 | |
| April 15, 2021, 7 a.m. | -0.4 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | 18.9 μg/m3 (18) | 5.3 μg/m3 (23) | 40.0 | |
| April 15, 2021, 6 a.m. | -0.6 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 45.0 ppb (42) | 0.15 ppb (2) | 19.3 μg/m3 (18) | 4.3 μg/m3 (18) | 42.0 | |
| April 15, 2021, 5 a.m. | -0.3 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 46.0 ppb (43) | 0.15 ppb (2) | 19.2 μg/m3 (18) | 7.5 μg/m3 (32) | 43.0 | |
| April 15, 2021, 4 a.m. | 0.2 ppb (1) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 45.0 ppb (42) | 0.15 ppb (2) | 22.5 μg/m3 (21) | 6.4 μg/m3 (27) | 42.0 | |
| April 15, 2021, 3 a.m. | -0.3 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 49.0 ppb (46) | 0.15 ppb (2) | 15.4 μg/m3 (15) | 7.0 μg/m3 (30) | 46.0 | |
| April 15, 2021, 2 a.m. | -0.6 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 50.0 ppb (47) | 0.15 ppb (2) | 14.8 μg/m3 (14) | 8.7 μg/m3 (37) | 47.0 | |
| April 15, 2021, 1 a.m. | -0.7 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 50.0 ppb (47) | 0.15 ppb (2) | 22.6 μg/m3 (21) | 3.6 μg/m3 (16) | 47.0 | |
| April 15, 2021, midnight | -0.9 ppb (0) | 0.1 ppb (1) | N/A | N/A | N/A | N/A | 50.0 ppb (47) | 0.15 ppb (2) | 27.4 μg/m3 (26) | 3.7 μg/m3 (16) | 47.0 | |
| April 14, 2021, 11 p.m. | -0.7 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 52.0 ppb (49) | 0.15 ppb (2) | 23.3 μg/m3 (22) | 8.2 μg/m3 (35) | 49.0 | |
| April 14, 2021, 10 p.m. | -0.8 ppb (0) | 0.1 ppb (1) | N/A | N/A | N/A | N/A | 52.0 ppb (49) | 0.15 ppb (2) | 27.0 μg/m3 (25) | 16.6 μg/m3 (61) | 61.0 | |
| April 14, 2021, 9 p.m. | -0.5 ppb (0) | 0.2 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 53.0 ppb (50) | 0.16 ppb (3) | 25.7 μg/m3 (24) | 10.6 μg/m3 (45) | 50.0 | |
| April 14, 2021, 8 p.m. | -0.6 ppb (0) | 0.2 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 51.0 ppb (48) | 0.15 ppb (2) | 20.5 μg/m3 (19) | 8.8 μg/m3 (37) | 48.0 | |
| April 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.8 μg/m3 (21) | 8.1 μg/m3 (34) | 34.0 | |
| April 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.9 μg/m3 (16) | 3.6 μg/m3 (16) | 16.0 | |
| April 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.2 μg/m3 (9) | 6.5 μg/m3 (28) | 28.0 | |
| April 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.1 μg/m3 (6) | 5.8 μg/m3 (25) | 25.0 | |
| April 14, 2021, 3 p.m. | 0.4 ppb (1) | 0.4 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | 7.3 μg/m3 (7) | 0.8 μg/m3 (4) | 40.0 | |
| April 14, 2021, 2 p.m. | 2.8 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | 0.18 ppb (3) | 11.1 μg/m3 (11) | 5.5 μg/m3 (23) | 33.0 | |
| April 14, 2021, 1 p.m. | 3.0 ppb (3) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.19 ppb (3) | 14.6 μg/m3 (14) | 8.7 μg/m3 (37) | 37.0 | |
| April 14, 2021, noon | 2.0 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (30) | 0.18 ppb (3) | 13.9 μg/m3 (13) | 8.0 μg/m3 (34) | 34.0 | |
| April 14, 2021, 11 a.m. | 0.3 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 35.0 ppb (33) | 0.15 ppb (2) | 9.6 μg/m3 (9) | 7.0 μg/m3 (30) | 33.0 | |
| April 14, 2021, 10 a.m. | 0.0 ppb (0) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 37.0 ppb (35) | 0.15 ppb (2) | 9.3 μg/m3 (9) | 5.0 μg/m3 (21) | 35.0 | |
| April 14, 2021, 9 a.m. | 1.6 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (32) | 0.16 ppb (3) | 8.8 μg/m3 (9) | 3.4 μg/m3 (15) | 32.0 | |
| April 14, 2021, 8 a.m. | -0.5 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 38.0 ppb (36) | 0.15 ppb (2) | 5.9 μg/m3 (6) | 5.5 μg/m3 (23) | 36.0 | |
| April 14, 2021, 7 a.m. | -0.8 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 40.0 ppb (38) | 0.14 ppb (2) | 7.7 μg/m3 (8) | 5.1 μg/m3 (22) | 38.0 | |
| April 14, 2021, 6 a.m. | -0.5 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 40.0 ppb (38) | 0.15 ppb (2) | 9.4 μg/m3 (9) | 0.6 μg/m3 (3) | 38.0 | |
| April 14, 2021, 5 a.m. | -0.2 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 41.0 ppb (38) | 0.15 ppb (2) | 8.5 μg/m3 (8) | -0.7 μg/m3 (0) | 38.0 | |
| April 14, 2021, 4 a.m. | -0.8 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 44.0 ppb (41) | 0.15 ppb (2) | 4.8 μg/m3 (5) | 1.8 μg/m3 (8) | 41.0 | |
| April 14, 2021, 3 a.m. | -0.9 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 44.0 ppb (41) | 0.15 ppb (2) | 2.4 μg/m3 (3) | 5.1 μg/m3 (22) | 41.0 | |
| April 14, 2021, 2 a.m. | -0.8 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 44.0 ppb (41) | 0.15 ppb (2) | 4.2 μg/m3 (4) | 2.4 μg/m3 (10) | 41.0 | |
| April 14, 2021, 1 a.m. | 0.2 ppb (1) | 0.3 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.16 ppb (3) | 7.5 μg/m3 (7) | 1.9 μg/m3 (8) | 40.0 | |
| April 14, 2021, midnight | -0.2 ppb (0) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (39) | 0.15 ppb (2) | 10.1 μg/m3 (10) | 3.4 μg/m3 (15) | 39.0 | |
| April 13, 2021, 11 p.m. | -0.6 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 42.0 ppb (39) | 0.15 ppb (2) | 12.7 μg/m3 (12) | 4.1 μg/m3 (18) | 39.0 | |
| April 13, 2021, 10 p.m. | -0.4 ppb (0) | 0.2 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | 27.6 μg/m3 (26) | 5.8 μg/m3 (25) | 40.0 | |
| April 13, 2021, 9 p.m. | 0.3 ppb (1) | 0.3 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 48.0 ppb (45) | 0.17 ppb (3) | 24.9 μg/m3 (24) | 14.0 μg/m3 (55) | 55.0 | |
| April 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.8 μg/m3 (16) | 4.8 μg/m3 (20) | 20.0 | |
| April 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.4 μg/m3 (14) | 7.5 μg/m3 (32) | 32.0 | |
| April 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.9 μg/m3 (14) | 8.0 μg/m3 (34) | 34.0 | |
| April 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.1 μg/m3 (18) | 7.4 μg/m3 (31) | 31.0 | |
| April 13, 2021, 4 p.m. | -0.5 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 47.0 ppb (44) | 0.16 ppb (3) | 10.7 μg/m3 (10) | 8.7 μg/m3 (37) | 44.0 | |
| April 13, 2021, 3 p.m. | -0.3 ppb (0) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 48.0 ppb (45) | 0.16 ppb (3) | 13.9 μg/m3 (13) | 5.5 μg/m3 (23) | 45.0 | |
| April 13, 2021, 2 p.m. | 0.7 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 45.0 ppb (42) | 0.16 ppb (3) | 14.1 μg/m3 (14) | 6.2 μg/m3 (26) | 42.0 | |
| April 13, 2021, 1 p.m. | 0.2 ppb (1) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 47.0 ppb (44) | 0.16 ppb (3) | 9.3 μg/m3 (9) | 6.6 μg/m3 (28) | 44.0 | |
| April 13, 2021, noon | -0.1 ppb (0) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 46.0 ppb (43) | 0.16 ppb (3) | 2.8 μg/m3 (3) | 2.8 μg/m3 (12) | 43.0 | |
| April 13, 2021, 11 a.m. | -0.3 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 47.0 ppb (44) | 0.16 ppb (3) | 2.1 μg/m3 (2) | 0.4 μg/m3 (2) | 44.0 | |
| April 13, 2021, 10 a.m. | -0.5 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 47.0 ppb (44) | 0.16 ppb (3) | 1.3 μg/m3 (2) | -0.2 μg/m3 (0) | 44.0 | |
| April 13, 2021, 9 a.m. | -0.8 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 47.0 ppb (44) | 0.15 ppb (2) | 1.8 μg/m3 (2) | 4.1 μg/m3 (18) | 44.0 | |
| April 13, 2021, 8 a.m. | -1.0 ppb (0) | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 45.0 ppb (42) | 0.15 ppb (2) | 8.4 μg/m3 (8) | 9.0 μg/m3 (38) | 42.0 | |
| April 13, 2021, 7 a.m. | -0.8 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 45.0 ppb (42) | 0.15 ppb (2) | 15.8 μg/m3 (15) | 11.6 μg/m3 (49) | 49.0 | |
| April 13, 2021, 6 a.m. | -0.9 ppb (0) | 0.0 ppb (0) | N/A | -1.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | 21.7 μg/m3 (21) | 13.2 μg/m3 (54) | 54.0 | |
| April 13, 2021, 5 a.m. | -0.3 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | 24.3 μg/m3 (23) | 10.9 μg/m3 (46) | 46.0 | |
| April 13, 2021, 4 a.m. | 0.0 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | 25.4 μg/m3 (24) | 8.8 μg/m3 (37) | 40.0 | |
| April 13, 2021, 3 a.m. | 0.8 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 43.0 ppb (40) | 0.16 ppb (3) | 23.5 μg/m3 (22) | 15.4 μg/m3 (58) | 58.0 | |
| April 13, 2021, 2 a.m. | 1.2 ppb (2) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 50.0 ppb (47) | 0.19 ppb (3) | 29.6 μg/m3 (28) | 12.0 μg/m3 (50) | 50.0 | |
| April 13, 2021, 1 a.m. | 1.0 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 56.0 ppb (55) | 0.19 ppb (3) | 31.4 μg/m3 (30) | 13.0 μg/m3 (53) | 55.0 | |
| April 13, 2021, midnight | 0.7 ppb (1) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 55.0 ppb (51) | 0.19 ppb (3) | 30.5 μg/m3 (29) | 14.2 μg/m3 (56) | 56.0 | |
| April 12, 2021, 11 p.m. | 0.9 ppb (1) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 57.0 ppb (58) | 0.2 ppb (3) | 31.7 μg/m3 (30) | 10.1 μg/m3 (43) | 58.0 | |
| April 12, 2021, 10 p.m. | 1.7 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 62.0 ppb (74) | 0.22 ppb (3) | 22.7 μg/m3 (22) | 8.9 μg/m3 (38) | 74.0 | |
| April 12, 2021, 9 p.m. | 3.1 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 60.0 ppb (68) | 0.23 ppb (3) | 27.1 μg/m3 (26) | 15.2 μg/m3 (58) | 68.0 | |
| April 12, 2021, 8 p.m. | 2.6 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 54.0 ppb (50) | 0.23 ppb (3) | 20.1 μg/m3 (19) | 13.5 μg/m3 (54) | 54.0 | |
| April 12, 2021, 7 p.m. | 2.5 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (45) | 0.23 ppb (3) | 18.7 μg/m3 (18) | 15.7 μg/m3 (59) | 59.0 | |
| April 12, 2021, 6 p.m. | 3.2 ppb (4) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (38) | 0.24 ppb (3) | 17.9 μg/m3 (17) | 8.0 μg/m3 (34) | 38.0 | |
| April 12, 2021, 5 p.m. | 3.2 ppb (4) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | 0.23 ppb (3) | 15.5 μg/m3 (15) | 14.0 μg/m3 (55) | 55.0 | |
| April 12, 2021, 4 p.m. | 2.6 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (32) | 0.21 ppb (3) | 10.5 μg/m3 (10) | 9.1 μg/m3 (38) | 38.0 | |
| April 12, 2021, 3 p.m. | 4.0 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.31 ppb (4) | 27.1 μg/m3 (26) | 8.9 μg/m3 (38) | 38.0 | |
| April 12, 2021, 2 p.m. | 3.3 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | 0.28 ppb (4) | 25.1 μg/m3 (24) | 10.9 μg/m3 (46) | 46.0 | |
| April 12, 2021, 1 p.m. | 2.4 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | 0.21 ppb (3) | 19.9 μg/m3 (19) | 14.9 μg/m3 (57) | 57.0 | |
| April 12, 2021, noon | 1.7 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (33) | 0.2 ppb (3) | 28.9 μg/m3 (27) | 16.6 μg/m3 (61) | 61.0 | |
| April 12, 2021, 11 a.m. | 1.3 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (36) | 0.19 ppb (3) | 20.7 μg/m3 (20) | 13.9 μg/m3 (55) | 55.0 | |
| April 12, 2021, 10 a.m. | 0.2 ppb (1) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (39) | 0.18 ppb (3) | 20.8 μg/m3 (20) | 8.9 μg/m3 (38) | 39.0 | |
| April 12, 2021, 9 a.m. | -0.4 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.16 ppb (3) | 18.1 μg/m3 (17) | 8.6 μg/m3 (36) | 40.0 | |
| April 12, 2021, 8 a.m. | -0.6 ppb (0) | 0.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | N/A | 42.0 ppb (39) | 0.16 ppb (3) | 19.6 μg/m3 (19) | 9.1 μg/m3 (38) | 39.0 | |
| April 12, 2021, 7 a.m. | -0.3 ppb (0) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (40) | 0.16 ppb (3) | 20.0 μg/m3 (19) | 7.1 μg/m3 (30) | 40.0 | |
| April 12, 2021, 6 a.m. | -0.5 ppb (0) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 44.0 ppb (41) | 0.16 ppb (3) | 23.3 μg/m3 (22) | 7.5 μg/m3 (32) | 41.0 | |
| April 12, 2021, 5 a.m. | 0.5 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 45.0 ppb (42) | 0.18 ppb (3) | 30.2 μg/m3 (28) | 10.0 μg/m3 (42) | 42.0 | |
| April 12, 2021, 4 a.m. | 0.1 ppb (1) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 52.0 ppb (49) | 0.17 ppb (3) | 30.8 μg/m3 (29) | 10.1 μg/m3 (43) | 49.0 | |
| April 12, 2021, 3 a.m. | 0.2 ppb (1) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 52.0 ppb (49) | 0.17 ppb (3) | 29.7 μg/m3 (28) | 11.0 μg/m3 (46) | 49.0 | |
| April 12, 2021, 2 a.m. | 0.5 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 50.0 ppb (47) | 0.18 ppb (3) | 29.7 μg/m3 (28) | 13.5 μg/m3 (54) | 54.0 | |
| April 12, 2021, 1 a.m. | 0.5 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 53.0 ppb (50) | 0.18 ppb (3) | 36.0 μg/m3 (34) | 14.7 μg/m3 (57) | 57.0 | |
| April 12, 2021, midnight | 0.4 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 58.0 ppb (61) | 0.19 ppb (3) | 35.9 μg/m3 (34) | 15.4 μg/m3 (58) | 61.0 | |
| April 11, 2021, 11 p.m. | 0.4 ppb (1) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 59.0 ppb (65) | 0.2 ppb (3) | 38.3 μg/m3 (36) | 13.0 μg/m3 (53) | 65.0 | |
| April 11, 2021, 10 p.m. | 0.8 ppb (1) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 62.0 ppb (74) | 0.22 ppb (3) | 35.3 μg/m3 (33) | 13.9 μg/m3 (55) | 74.0 | |
| April 11, 2021, 9 p.m. | 0.8 ppb (1) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 55.0 ppb (51) | 0.2 ppb (3) | 26.4 μg/m3 (25) | 11.8 μg/m3 (50) | 51.0 | |
| April 11, 2021, 8 p.m. | 1.2 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 58.0 ppb (61) | 0.23 ppb (3) | 59.0 μg/m3 (53) | 18.3 μg/m3 (65) | 65.0 | |
| April 11, 2021, 7 p.m. | 2.5 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 70.0 ppb (100) | 0.27 ppb (4) | 37.4 μg/m3 (35) | 15.9 μg/m3 (59) | 100.0 | |
| April 11, 2021, 6 p.m. | 3.6 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 62.0 ppb (74) | 0.29 ppb (4) | 33.8 μg/m3 (32) | 15.8 μg/m3 (59) | 74.0 | |
| April 11, 2021, 5 p.m. | 4.4 ppb (5) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 52.0 ppb (49) | 0.29 ppb (4) | 40.7 μg/m3 (38) | 15.2 μg/m3 (58) | 58.0 | |
| April 11, 2021, 4 p.m. | 5.3 ppb (5) | 1.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (37) | 0.28 ppb (4) | 37.0 μg/m3 (35) | 25.2 μg/m3 (79) | 79.0 | |
| April 11, 2021, 3 p.m. | 6.2 ppb (6) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (27) | 0.29 ppb (4) | 36.4 μg/m3 (34) | 23.3 μg/m3 (75) | 75.0 | |
| April 11, 2021, 2 p.m. | 7.7 ppb (8) | 1.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 22.0 ppb (21) | 0.3 ppb (4) | 35.4 μg/m3 (33) | 10.6 μg/m3 (45) | 45.0 | |
| April 11, 2021, 1 p.m. | 5.3 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (23) | 0.27 ppb (4) | 35.7 μg/m3 (34) | 11.1 μg/m3 (47) | 47.0 | |
| April 11, 2021, noon | 5.6 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 24.0 ppb (23) | 0.28 ppb (4) | 35.8 μg/m3 (34) | 9.9 μg/m3 (42) | 42.0 | |
| April 11, 2021, 11 a.m. | 3.9 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 25.0 ppb (24) | 0.23 ppb (3) | 29.2 μg/m3 (28) | 8.9 μg/m3 (38) | 38.0 | |
| April 11, 2021, 10 a.m. | 2.4 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 30.0 ppb (28) | 0.21 ppb (3) | 28.3 μg/m3 (27) | 10.4 μg/m3 (44) | 44.0 | |
| April 11, 2021, 9 a.m. | 2.7 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 29.0 ppb (27) | 0.22 ppb (3) | 24.2 μg/m3 (23) | 10.2 μg/m3 (43) | 43.0 | |
| April 11, 2021, 8 a.m. | 1.8 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (30) | 0.21 ppb (3) | 22.2 μg/m3 (21) | 8.5 μg/m3 (36) | 36.0 | |
| April 11, 2021, 7 a.m. | 1.0 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (36) | 0.18 ppb (3) | 27.2 μg/m3 (26) | 9.7 μg/m3 (41) | 41.0 | |
| April 11, 2021, 6 a.m. | 0.5 ppb (1) | 0.1 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 44.0 ppb (41) | 0.17 ppb (3) | 34.4 μg/m3 (32) | 11.2 μg/m3 (47) | 47.0 | |
| April 11, 2021, 5 a.m. | 1.2 ppb (2) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 46.0 ppb (43) | 0.18 ppb (3) | 24.7 μg/m3 (23) | 15.7 μg/m3 (59) | 59.0 | |
| April 11, 2021, 4 a.m. | 1.0 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 42.0 ppb (39) | 0.17 ppb (3) | 27.3 μg/m3 (26) | 14.8 μg/m3 (57) | 57.0 |