Los Angeles (Central City E) CA, US: 34.066429, -118.226755
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 12, 2021, 3 a.m. | 4.0 ppb (4) | 0.1 ppb (1) | 5.1 ppb (5) | 4.0 ppb (4) | 5.0 ppb (5) | 0.0 ppb (0) | 44.0 ppb (41) | 0.16 ppb (3) | 18.0 μg/m3 (17) | 14.0 μg/m3 (55) | 55.0 | |
| May 12, 2021, 2 a.m. | 3.9 ppb (4) | 0.1 ppb (1) | 5.5 ppb (6) | 4.0 ppb (4) | 5.4 ppb (6) | 0.0 ppb (0) | 47.0 ppb (44) | 0.19 ppb (3) | 22.0 μg/m3 (21) | 14.0 μg/m3 (55) | 55.0 | |
| May 12, 2021, 1 a.m. | 4.5 ppb (5) | 0.5 ppb (1) | 5.4 ppb (6) | 4.0 ppb (4) | 5.0 ppb (5) | 0.0 ppb (0) | 50.0 ppb (47) | 0.22 ppb (3) | 26.0 μg/m3 (25) | 16.0 μg/m3 (60) | 60.0 | |
| May 12, 2021, midnight | 5.1 ppb (5) | 0.6 ppb (1) | 6.3 ppb (6) | 5.0 ppb (5) | 5.7 ppb (6) | 0.0 ppb (0) | 54.0 ppb (50) | 0.23 ppb (3) | 26.0 μg/m3 (25) | 16.0 μg/m3 (60) | 60.0 | |
| May 11, 2021, 11 p.m. | 6.3 ppb (6) | 0.8 ppb (1) | 7.9 ppb (8) | 5.0 ppb (5) | 7.0 ppb (7) | 0.0 ppb (0) | 58.0 ppb (61) | 0.25 ppb (3) | 26.0 μg/m3 (25) | 19.0 μg/m3 (66) | 66.0 | |
| May 11, 2021, 10 p.m. | 6.4 ppb (7) | 0.8 ppb (1) | 9.6 ppb (10) | 6.0 ppb (6) | 8.8 ppb (9) | 0.0 ppb (0) | 60.0 ppb (68) | 0.24 ppb (3) | 34.0 μg/m3 (32) | 17.0 μg/m3 (62) | 68.0 | |
| May 11, 2021, 9 p.m. | 7.5 ppb (8) | 1.0 ppb (1) | 9.9 ppb (10) | 6.0 ppb (6) | 8.8 ppb (9) | 0.0 ppb (0) | 58.0 ppb (61) | 0.43 ppb (5) | 29.0 μg/m3 (27) | N/A | 61.0 | |
| May 11, 2021, 8 p.m. | 12.0 ppb (12) | 2.3 ppb (3) | 13.0 ppb (13) | 10.0 ppb (10) | 10.6 ppb (10) | 0.0 ppb (0) | 50.0 ppb (47) | 0.39 ppb (5) | 36.0 μg/m3 (34) | N/A | 47.0 | |
| May 11, 2021, 7 p.m. | 13.6 ppb (13) | 2.9 ppb (3) | 14.7 ppb (14) | 11.0 ppb (11) | 11.6 ppb (11) | 0.0 ppb (0) | 46.0 ppb (43) | 0.31 ppb (4) | 40.0 μg/m3 (38) | N/A | 43.0 | |
| May 11, 2021, 6 p.m. | 16.9 ppb (16) | 3.6 ppb (4) | 16.5 ppb (16) | 13.0 ppb (13) | 12.7 ppb (12) | 0.0 ppb (0) | 36.0 ppb (34) | 0.33 ppb (4) | N/A | N/A | 34.0 | |
| May 11, 2021, 5 p.m. | 22.6 ppb (22) | 4.0 ppb (4) | 21.9 ppb (21) | 19.0 ppb (18) | 18.0 ppb (17) | 0.0 ppb (0) | 26.0 ppb (25) | 0.36 ppb (5) | N/A | N/A | 25.0 | |
| May 11, 2021, 4 p.m. | 23.3 ppb (22) | 4.1 ppb (4) | 22.3 ppb (22) | 19.0 ppb (18) | 18.3 ppb (18) | 0.0 ppb (0) | 21.0 ppb (20) | 0.35 ppb (4) | N/A | N/A | 22.0 | |
| May 11, 2021, 3 p.m. | 20.0 ppb (19) | 2.8 ppb (3) | 18.5 ppb (18) | 17.0 ppb (17) | 16.1 ppb (16) | 0.0 ppb (0) | 22.0 ppb (21) | 0.32 ppb (4) | 43.0 μg/m3 (40) | 23.0 μg/m3 (74) | 74.0 | |
| May 11, 2021, 2 p.m. | 17.4 ppb (17) | 1.5 ppb (2) | 15.1 ppb (15) | 16.0 ppb (16) | 13.9 ppb (14) | 0.0 ppb (0) | 24.0 ppb (23) | 0.33 ppb (4) | 35.0 μg/m3 (33) | 17.0 μg/m3 (62) | 62.0 | |
| May 11, 2021, 1 p.m. | 15.0 ppb (15) | 1.3 ppb (2) | 13.4 ppb (13) | 14.0 ppb (14) | 12.1 ppb (12) | 0.0 ppb (0) | 25.0 ppb (24) | 0.31 ppb (4) | 36.0 μg/m3 (34) | 22.0 μg/m3 (72) | 72.0 | |
| May 11, 2021, noon | 9.2 ppb (9) | 0.4 ppb (1) | 7.7 ppb (8) | 9.0 ppb (9) | 7.6 ppb (8) | 0.0 ppb (0) | 30.0 ppb (28) | 0.28 ppb (4) | 35.0 μg/m3 (33) | 24.0 μg/m3 (77) | 77.0 | |
| May 11, 2021, 11 a.m. | 6.3 ppb (6) | 0.4 ppb (1) | 5.9 ppb (6) | 6.0 ppb (6) | 5.6 ppb (6) | 0.0 ppb (0) | 35.0 ppb (33) | 0.25 ppb (3) | 32.0 μg/m3 (30) | 22.0 μg/m3 (72) | 72.0 | |
| May 11, 2021, 10 a.m. | 4.6 ppb (5) | 0.3 ppb (1) | 4.2 ppb (4) | 4.0 ppb (4) | 4.2 ppb (4) | 0.0 ppb (0) | 36.0 ppb (34) | 0.21 ppb (3) | 31.0 μg/m3 (29) | 15.0 μg/m3 (58) | 58.0 | |
| May 11, 2021, 9 a.m. | 4.1 ppb (4) | 0.1 ppb (1) | 3.9 ppb (4) | 4.0 ppb (4) | 3.8 ppb (4) | 0.0 ppb (0) | 37.0 ppb (35) | 0.22 ppb (3) | 25.0 μg/m3 (24) | 15.0 μg/m3 (58) | 58.0 | |
| May 11, 2021, 8 a.m. | 4.8 ppb (5) | 0.2 ppb (1) | 5.2 ppb (5) | 5.0 ppb (5) | 5.1 ppb (5) | 0.0 ppb (0) | 36.0 ppb (34) | 0.2 ppb (3) | 29.0 μg/m3 (27) | 15.0 μg/m3 (58) | 58.0 | |
| May 11, 2021, 7 a.m. | 3.7 ppb (4) | 0.2 ppb (1) | 4.1 ppb (4) | 3.0 ppb (3) | 4.0 ppb (4) | 0.0 ppb (0) | 38.0 ppb (36) | 0.21 ppb (3) | 27.0 μg/m3 (25) | 18.0 μg/m3 (64) | 64.0 | |
| May 11, 2021, 6 a.m. | 3.1 ppb (3) | 0.2 ppb (1) | 3.8 ppb (4) | 3.0 ppb (3) | 3.7 ppb (4) | 0.0 ppb (0) | 39.0 ppb (37) | 0.18 ppb (3) | 21.0 μg/m3 (20) | 17.0 μg/m3 (62) | 62.0 | |
| May 11, 2021, 5 a.m. | 5.6 ppb (6) | 0.2 ppb (1) | 5.8 ppb (6) | 5.0 ppb (5) | 5.7 ppb (6) | 0.0 ppb (0) | 35.0 ppb (33) | 0.23 ppb (3) | 33.0 μg/m3 (31) | 19.0 μg/m3 (66) | 66.0 | |
| May 11, 2021, 4 a.m. | 5.5 ppb (6) | 0.2 ppb (1) | 5.8 ppb (6) | 5.0 ppb (5) | 5.7 ppb (6) | 0.0 ppb (0) | 37.0 ppb (35) | 0.25 ppb (3) | 27.0 μg/m3 (25) | 14.0 μg/m3 (55) | 55.0 | |
| May 11, 2021, 3 a.m. | 6.7 ppb (7) | 0.2 ppb (1) | 7.0 ppb (7) | 6.0 ppb (6) | 6.9 ppb (7) | 0.0 ppb (0) | 38.0 ppb (36) | 0.25 ppb (3) | 37.0 μg/m3 (35) | 16.0 μg/m3 (60) | 60.0 | |
| May 11, 2021, 2 a.m. | 7.0 ppb (7) | 0.3 ppb (1) | 7.5 ppb (8) | 7.0 ppb (7) | 7.4 ppb (7) | 0.0 ppb (0) | 42.0 ppb (39) | 0.25 ppb (3) | 36.0 μg/m3 (34) | 18.0 μg/m3 (64) | 64.0 | |
| May 11, 2021, 1 a.m. | 6.5 ppb (7) | 0.4 ppb (1) | 7.2 ppb (7) | 6.0 ppb (6) | 6.8 ppb (7) | 0.0 ppb (0) | 45.0 ppb (42) | 0.24 ppb (3) | 34.0 μg/m3 (32) | 18.0 μg/m3 (64) | 64.0 | |
| May 11, 2021, midnight | 7.9 ppb (8) | 0.7 ppb (1) | 8.5 ppb (9) | 7.0 ppb (7) | 7.8 ppb (8) | 0.0 ppb (0) | 46.0 ppb (43) | 0.23 ppb (3) | 37.0 μg/m3 (35) | 17.0 μg/m3 (62) | 62.0 | |
| May 10, 2021, 11 p.m. | 10.2 ppb (10) | 1.1 ppb (2) | 11.0 ppb (11) | 9.0 ppb (9) | 9.7 ppb (10) | 1.0 ppb (2) | 46.0 ppb (43) | 0.24 ppb (3) | 37.0 μg/m3 (35) | 20.0 μg/m3 (68) | 68.0 | |
| May 10, 2021, 10 p.m. | 11.3 ppb (11) | 1.7 ppb (2) | 11.7 ppb (12) | 10.0 ppb (10) | 9.9 ppb (10) | 0.0 ppb (0) | 45.0 ppb (42) | 0.24 ppb (3) | 41.0 μg/m3 (38) | 19.0 μg/m3 (66) | 66.0 | |
| May 10, 2021, 9 p.m. | 11.8 ppb (12) | 1.9 ppb (2) | 11.9 ppb (12) | 10.0 ppb (10) | 9.8 ppb (10) | 0.0 ppb (0) | 42.0 ppb (39) | 0.26 ppb (4) | 38.0 μg/m3 (36) | 16.0 μg/m3 (60) | 60.0 | |
| May 10, 2021, 8 p.m. | 12.0 ppb (12) | 1.4 ppb (2) | 12.2 ppb (12) | 11.0 ppb (11) | 10.8 ppb (11) | 0.0 ppb (0) | 43.0 ppb (40) | 0.25 ppb (3) | 33.0 μg/m3 (31) | 18.0 μg/m3 (64) | 64.0 | |
| May 10, 2021, 7 p.m. | 13.1 ppb (13) | 2.3 ppb (3) | 12.0 ppb (12) | 11.0 ppb (11) | 9.6 ppb (10) | 0.0 ppb (0) | 44.0 ppb (41) | 0.24 ppb (3) | 33.0 μg/m3 (31) | 13.0 μg/m3 (53) | 53.0 | |
| May 10, 2021, 6 p.m. | 12.4 ppb (12) | 1.7 ppb (2) | 11.6 ppb (11) | 11.0 ppb (11) | 10.3 ppb (10) | 0.0 ppb (0) | 43.0 ppb (40) | 0.26 ppb (4) | 30.0 μg/m3 (28) | 15.0 μg/m3 (58) | 58.0 | |
| May 10, 2021, 5 p.m. | 14.0 ppb (14) | 1.6 ppb (2) | 13.1 ppb (13) | 12.0 ppb (12) | 11.6 ppb (11) | 0.0 ppb (0) | 40.0 ppb (38) | 0.25 ppb (3) | 27.0 μg/m3 (25) | 10.0 μg/m3 (42) | 42.0 | |
| May 10, 2021, 4 p.m. | 13.9 ppb (14) | 2.2 ppb (3) | 12.8 ppb (13) | 12.0 ppb (12) | 10.5 ppb (10) | 0.0 ppb (0) | 39.0 ppb (37) | 0.28 ppb (4) | 30.0 μg/m3 (28) | 15.0 μg/m3 (58) | 58.0 | |
| May 10, 2021, 3 p.m. | 12.2 ppb (12) | 1.1 ppb (2) | 10.9 ppb (11) | 11.0 ppb (11) | 9.9 ppb (10) | 0.0 ppb (0) | 39.0 ppb (37) | 0.3 ppb (4) | 32.0 μg/m3 (30) | 14.0 μg/m3 (55) | 55.0 | |
| May 10, 2021, 2 p.m. | 12.9 ppb (13) | 1.1 ppb (2) | 11.1 ppb (11) | 12.0 ppb (12) | 10.0 ppb (10) | 0.0 ppb (0) | 38.0 ppb (36) | 0.31 ppb (4) | 31.0 μg/m3 (29) | 15.0 μg/m3 (58) | 58.0 | |
| May 10, 2021, 1 p.m. | 12.6 ppb (12) | 0.6 ppb (1) | 10.4 ppb (10) | 12.0 ppb (12) | 9.7 ppb (10) | 0.0 ppb (0) | 38.0 ppb (36) | 0.27 ppb (4) | 28.0 μg/m3 (26) | 16.0 μg/m3 (60) | 60.0 | |
| May 10, 2021, noon | 9.0 ppb (9) | 0.5 ppb (1) | 7.4 ppb (7) | 9.0 ppb (9) | 7.1 ppb (7) | 0.0 ppb (0) | 39.0 ppb (37) | 0.25 ppb (3) | 28.0 μg/m3 (26) | 13.0 μg/m3 (53) | 53.0 | |
| May 10, 2021, 11 a.m. | 4.7 ppb (5) | 0.2 ppb (1) | 4.8 ppb (5) | 5.0 ppb (5) | 4.7 ppb (5) | 0.0 ppb (0) | 44.0 ppb (41) | 0.21 ppb (3) | 29.0 μg/m3 (27) | 16.0 μg/m3 (60) | 60.0 | |
| May 10, 2021, 10 a.m. | 5.0 ppb (5) | 0.2 ppb (1) | 5.1 ppb (5) | 5.0 ppb (5) | 5.0 ppb (5) | 0.0 ppb (0) | 41.0 ppb (38) | 0.19 ppb (3) | 34.0 μg/m3 (32) | 17.0 μg/m3 (62) | 62.0 | |
| May 10, 2021, 9 a.m. | 7.9 ppb (8) | 0.2 ppb (1) | 7.7 ppb (8) | 8.0 ppb (8) | 7.6 ppb (8) | 0.0 ppb (0) | 40.0 ppb (38) | 0.24 ppb (3) | 33.0 μg/m3 (31) | 21.0 μg/m3 (70) | 70.0 | |
| May 10, 2021, 8 a.m. | 7.0 ppb (7) | 0.2 ppb (1) | 7.6 ppb (8) | 7.0 ppb (7) | 7.6 ppb (8) | 0.0 ppb (0) | 42.0 ppb (39) | 0.21 ppb (3) | 38.0 μg/m3 (36) | 19.0 μg/m3 (66) | 66.0 | |
| May 10, 2021, 7 a.m. | 5.0 ppb (5) | 0.1 ppb (1) | 6.3 ppb (6) | 5.0 ppb (5) | 6.2 ppb (6) | 0.0 ppb (0) | 47.0 ppb (44) | 0.22 ppb (3) | 36.0 μg/m3 (34) | 21.0 μg/m3 (70) | 70.0 | |
| May 10, 2021, 6 a.m. | 5.2 ppb (5) | 0.2 ppb (1) | 6.0 ppb (6) | 5.0 ppb (5) | 6.0 ppb (6) | 0.0 ppb (0) | 45.0 ppb (42) | 0.2 ppb (3) | 35.0 μg/m3 (33) | 25.0 μg/m3 (79) | 79.0 | |
| May 10, 2021, 5 a.m. | 4.8 ppb (5) | 0.1 ppb (1) | 5.2 ppb (5) | 5.0 ppb (5) | 5.2 ppb (5) | 0.0 ppb (0) | 45.0 ppb (42) | 0.21 ppb (3) | 34.0 μg/m3 (32) | 21.0 μg/m3 (70) | 70.0 | |
| May 10, 2021, 4 a.m. | 3.8 ppb (4) | 0.1 ppb (1) | 4.2 ppb (4) | 4.0 ppb (4) | 4.1 ppb (4) | 0.0 ppb (0) | 48.0 ppb (45) | 0.24 ppb (3) | 31.0 μg/m3 (29) | 17.0 μg/m3 (62) | 62.0 | |
| May 10, 2021, 3 a.m. | 3.5 ppb (4) | 0.1 ppb (1) | 3.7 ppb (4) | 3.0 ppb (3) | 3.7 ppb (4) | 0.0 ppb (0) | 50.0 ppb (47) | 0.2 ppb (3) | 27.0 μg/m3 (25) | 16.0 μg/m3 (60) | 60.0 | |
| May 10, 2021, 2 a.m. | 3.9 ppb (4) | 0.2 ppb (1) | 3.5 ppb (4) | 4.0 ppb (4) | 3.4 ppb (4) | 0.0 ppb (0) | 55.0 ppb (51) | 0.21 ppb (3) | 34.0 μg/m3 (32) | 26.0 μg/m3 (81) | 81.0 | |
| May 10, 2021, 1 a.m. | 3.7 ppb (4) | 0.2 ppb (1) | 3.5 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 51.0 ppb (48) | 0.21 ppb (3) | 34.0 μg/m3 (32) | 13.0 μg/m3 (53) | 53.0 | |
| May 10, 2021, midnight | 4.2 ppb (4) | 0.4 ppb (1) | 3.7 ppb (4) | 4.0 ppb (4) | 3.2 ppb (4) | 0.0 ppb (0) | 54.0 ppb (50) | 0.2 ppb (3) | 36.0 μg/m3 (34) | 19.0 μg/m3 (66) | 66.0 | |
| May 9, 2021, 11 p.m. | 4.2 ppb (4) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | 0.21 ppb (3) | 36.0 μg/m3 (34) | 21.0 μg/m3 (70) | 70.0 | |
| May 9, 2021, 10 p.m. | 4.5 ppb (5) | 0.5 ppb (1) | 5.4 ppb (6) | 4.0 ppb (4) | 4.9 ppb (5) | 0.0 ppb (0) | 60.0 ppb (68) | 0.2 ppb (3) | 39.0 μg/m3 (37) | 24.0 μg/m3 (77) | 77.0 | |
| May 9, 2021, 9 p.m. | 6.3 ppb (6) | 0.9 ppb (1) | 7.2 ppb (7) | 5.0 ppb (5) | 6.3 ppb (6) | 1.0 ppb (2) | 59.0 ppb (65) | 0.23 ppb (3) | 46.0 μg/m3 (43) | 24.0 μg/m3 (77) | 77.0 | |
| May 9, 2021, 8 p.m. | 6.7 ppb (7) | 1.0 ppb (1) | 7.7 ppb (8) | 6.0 ppb (6) | 6.6 ppb (7) | 0.0 ppb (0) | 56.0 ppb (55) | 0.25 ppb (3) | 44.0 μg/m3 (41) | 22.0 μg/m3 (72) | 72.0 | |
| May 9, 2021, 7 p.m. | 8.3 ppb (8) | 1.7 ppb (2) | 9.0 ppb (9) | 7.0 ppb (7) | 7.2 ppb (7) | 0.0 ppb (0) | 47.0 ppb (44) | 0.26 ppb (4) | 34.0 μg/m3 (32) | 16.0 μg/m3 (60) | 60.0 | |
| May 9, 2021, 6 p.m. | 8.1 ppb (8) | 1.5 ppb (2) | 8.3 ppb (8) | 7.0 ppb (7) | 6.8 ppb (7) | 0.0 ppb (0) | 44.0 ppb (41) | 0.25 ppb (3) | 32.0 μg/m3 (30) | 16.0 μg/m3 (60) | 60.0 | |
| May 9, 2021, 5 p.m. | 7.1 ppb (7) | 0.8 ppb (1) | 7.3 ppb (7) | 6.0 ppb (6) | 6.4 ppb (7) | 0.0 ppb (0) | 42.0 ppb (39) | 0.25 ppb (3) | 34.0 μg/m3 (32) | 14.0 μg/m3 (55) | 55.0 | |
| May 9, 2021, 4 p.m. | 6.4 ppb (7) | 0.5 ppb (1) | 6.4 ppb (7) | 6.0 ppb (6) | 6.0 ppb (6) | 0.0 ppb (0) | 41.0 ppb (38) | 0.23 ppb (3) | 34.0 μg/m3 (32) | 16.0 μg/m3 (60) | 60.0 | |
| May 9, 2021, 3 p.m. | 4.9 ppb (5) | 0.3 ppb (1) | 4.9 ppb (5) | 5.0 ppb (5) | 4.7 ppb (5) | 0.0 ppb (0) | 42.0 ppb (39) | 0.22 ppb (3) | 29.0 μg/m3 (27) | 16.0 μg/m3 (60) | 60.0 | |
| May 9, 2021, 2 p.m. | 5.7 ppb (6) | 0.2 ppb (1) | 5.3 ppb (5) | 5.0 ppb (5) | 5.1 ppb (5) | 0.0 ppb (0) | 40.0 ppb (38) | 0.22 ppb (3) | 29.0 μg/m3 (27) | 19.0 μg/m3 (66) | 66.0 | |
| May 9, 2021, 1 p.m. | 6.6 ppb (7) | 0.3 ppb (1) | 5.3 ppb (5) | 6.0 ppb (6) | 5.2 ppb (5) | 0.0 ppb (0) | 37.0 ppb (35) | 0.24 ppb (3) | 31.0 μg/m3 (29) | 16.0 μg/m3 (60) | 60.0 | |
| May 9, 2021, noon | 10.3 ppb (10) | 0.8 ppb (1) | 8.5 ppb (9) | 10.0 ppb (10) | 8.0 ppb (8) | 0.0 ppb (0) | 33.0 ppb (31) | 0.23 ppb (3) | 26.0 μg/m3 (25) | 18.0 μg/m3 (64) | 64.0 | |
| May 9, 2021, 11 a.m. | 11.1 ppb (11) | 0.9 ppb (1) | 8.9 ppb (9) | 10.0 ppb (10) | 8.6 ppb (9) | 0.0 ppb (0) | 30.0 ppb (28) | 0.26 ppb (4) | 33.0 μg/m3 (31) | 18.0 μg/m3 (64) | 64.0 | |
| May 9, 2021, 10 a.m. | 11.2 ppb (11) | 0.4 ppb (1) | 11.3 ppb (11) | 11.0 ppb (11) | 11.3 ppb (11) | 0.0 ppb (0) | 29.0 ppb (27) | 0.28 ppb (4) | 32.0 μg/m3 (30) | 17.0 μg/m3 (62) | 62.0 | |
| May 9, 2021, 9 a.m. | 12.7 ppb (12) | 0.3 ppb (1) | 12.5 ppb (12) | 12.0 ppb (12) | 12.4 ppb (12) | 0.0 ppb (0) | 25.0 ppb (24) | 0.4 ppb (5) | 35.0 μg/m3 (33) | 21.0 μg/m3 (70) | 70.0 | |
| May 9, 2021, 8 a.m. | 10.2 ppb (10) | 0.4 ppb (1) | 12.1 ppb (12) | 10.0 ppb (10) | 12.0 ppb (12) | 0.0 ppb (0) | 28.0 ppb (26) | 0.38 ppb (5) | 34.0 μg/m3 (32) | 19.0 μg/m3 (66) | 66.0 | |
| May 9, 2021, 7 a.m. | 13.7 ppb (13) | 0.3 ppb (1) | 14.0 ppb (14) | 13.0 ppb (13) | 13.9 ppb (14) | 0.0 ppb (0) | 26.0 ppb (25) | 0.5 ppb (6) | 30.0 μg/m3 (28) | 14.0 μg/m3 (55) | 55.0 | |
| May 9, 2021, 6 a.m. | 11.4 ppb (11) | 0.3 ppb (1) | 11.7 ppb (12) | 11.0 ppb (11) | 11.6 ppb (11) | 0.0 ppb (0) | 29.0 ppb (27) | 0.4 ppb (5) | 31.0 μg/m3 (29) | 19.0 μg/m3 (66) | 66.0 | |
| May 9, 2021, 5 a.m. | 6.4 ppb (7) | 0.2 ppb (1) | 7.7 ppb (8) | 6.0 ppb (6) | 7.7 ppb (8) | 0.0 ppb (0) | 41.0 ppb (38) | 0.27 ppb (4) | 28.0 μg/m3 (26) | 19.0 μg/m3 (66) | 66.0 | |
| May 9, 2021, 4 a.m. | 5.3 ppb (5) | 0.1 ppb (1) | 6.0 ppb (6) | 5.0 ppb (5) | 5.9 ppb (6) | 0.0 ppb (0) | 45.0 ppb (42) | 0.27 ppb (4) | 28.0 μg/m3 (26) | 18.0 μg/m3 (64) | 64.0 | |
| May 9, 2021, 3 a.m. | 5.7 ppb (6) | 0.1 ppb (1) | 6.6 ppb (7) | 6.0 ppb (6) | 6.5 ppb (7) | 0.0 ppb (0) | 49.0 ppb (46) | 0.25 ppb (3) | 32.0 μg/m3 (30) | 19.0 μg/m3 (66) | 66.0 | |
| May 9, 2021, 2 a.m. | 6.1 ppb (6) | 0.2 ppb (1) | 7.0 ppb (7) | 6.0 ppb (6) | 6.9 ppb (7) | 0.0 ppb (0) | 52.0 ppb (49) | 0.23 ppb (3) | 32.0 μg/m3 (30) | 22.0 μg/m3 (72) | 72.0 | |
| May 9, 2021, 1 a.m. | 5.7 ppb (6) | 0.4 ppb (1) | 6.4 ppb (7) | 5.0 ppb (5) | 6.0 ppb (6) | 0.0 ppb (0) | 52.0 ppb (49) | 0.22 ppb (3) | 31.0 μg/m3 (29) | 18.0 μg/m3 (64) | 64.0 | |
| May 9, 2021, midnight | 4.3 ppb (5) | 0.4 ppb (1) | 4.9 ppb (5) | 4.0 ppb (4) | 4.4 ppb (5) | 0.0 ppb (0) | 53.0 ppb (50) | 0.2 ppb (3) | 30.0 μg/m3 (28) | 18.0 μg/m3 (64) | 64.0 | |
| May 8, 2021, 11 p.m. | 5.1 ppb (5) | 0.7 ppb (1) | 5.8 ppb (6) | 4.0 ppb (4) | 5.0 ppb (5) | 0.0 ppb (0) | 52.0 ppb (49) | 0.2 ppb (3) | 33.0 μg/m3 (31) | 18.0 μg/m3 (64) | 64.0 | |
| May 8, 2021, 10 p.m. | 5.2 ppb (5) | 0.7 ppb (1) | 5.9 ppb (6) | 4.0 ppb (4) | 5.2 ppb (5) | 0.0 ppb (0) | 55.0 ppb (51) | 0.21 ppb (3) | 38.0 μg/m3 (36) | 16.0 μg/m3 (60) | 60.0 | |
| May 8, 2021, 9 p.m. | 6.5 ppb (7) | 0.9 ppb (1) | 7.2 ppb (7) | 6.0 ppb (6) | 6.3 ppb (6) | 1.0 ppb (2) | 57.0 ppb (58) | 0.23 ppb (3) | 34.0 μg/m3 (32) | 16.0 μg/m3 (60) | 60.0 | |
| May 8, 2021, 8 p.m. | 8.7 ppb (9) | 1.4 ppb (2) | 9.4 ppb (9) | 7.0 ppb (7) | 7.8 ppb (8) | 1.0 ppb (2) | 55.0 ppb (51) | 0.25 ppb (3) | 39.0 μg/m3 (37) | 17.0 μg/m3 (62) | 62.0 | |
| May 8, 2021, 7 p.m. | 8.9 ppb (9) | 1.6 ppb (2) | 9.4 ppb (9) | 7.0 ppb (7) | 7.7 ppb (8) | 0.0 ppb (0) | 51.0 ppb (48) | 0.26 ppb (4) | 38.0 μg/m3 (36) | 19.0 μg/m3 (66) | 66.0 | |
| May 8, 2021, 6 p.m. | 8.0 ppb (8) | 1.5 ppb (2) | 8.5 ppb (9) | 6.0 ppb (6) | 6.9 ppb (7) | 0.0 ppb (0) | 49.0 ppb (46) | 0.25 ppb (3) | 28.0 μg/m3 (26) | 18.0 μg/m3 (64) | 64.0 | |
| May 8, 2021, 5 p.m. | 10.0 ppb (10) | 1.7 ppb (2) | 9.9 ppb (10) | 8.0 ppb (8) | 8.0 ppb (8) | 0.0 ppb (0) | 41.0 ppb (38) | 0.24 ppb (3) | 28.0 μg/m3 (26) | 17.0 μg/m3 (62) | 62.0 | |
| May 8, 2021, 4 p.m. | 8.0 ppb (8) | 0.9 ppb (1) | 8.0 ppb (8) | 7.0 ppb (7) | 7.0 ppb (7) | 0.0 ppb (0) | 39.0 ppb (37) | 0.23 ppb (3) | 21.0 μg/m3 (20) | 15.0 μg/m3 (58) | 58.0 | |
| May 8, 2021, 3 p.m. | 8.4 ppb (8) | 1.0 ppb (1) | 7.9 ppb (8) | 7.0 ppb (7) | 6.9 ppb (7) | 0.0 ppb (0) | 38.0 ppb (36) | 0.23 ppb (3) | 23.0 μg/m3 (22) | 14.0 μg/m3 (55) | 55.0 | |
| May 8, 2021, 2 p.m. | 8.6 ppb (9) | 1.0 ppb (1) | 7.3 ppb (7) | 8.0 ppb (8) | 6.5 ppb (7) | 0.0 ppb (0) | 36.0 ppb (34) | 0.22 ppb (3) | 20.0 μg/m3 (19) | 12.0 μg/m3 (50) | 50.0 | |
| May 8, 2021, 1 p.m. | 10.4 ppb (10) | 0.4 ppb (1) | 8.3 ppb (8) | 10.0 ppb (10) | 7.9 ppb (8) | 0.0 ppb (0) | 35.0 ppb (33) | 0.24 ppb (3) | 21.0 μg/m3 (20) | 12.0 μg/m3 (50) | 50.0 | |
| May 8, 2021, noon | 10.2 ppb (10) | 0.2 ppb (1) | 8.7 ppb (9) | 10.0 ppb (10) | 8.7 ppb (9) | 0.0 ppb (0) | 34.0 ppb (32) | 0.23 ppb (3) | 24.0 μg/m3 (23) | 14.0 μg/m3 (55) | 55.0 | |
| May 8, 2021, 11 a.m. | 6.8 ppb (7) | 0.0 ppb (0) | 6.4 ppb (7) | 7.0 ppb (7) | 6.3 ppb (6) | 0.0 ppb (0) | 37.0 ppb (35) | 0.22 ppb (3) | 20.0 μg/m3 (19) | 15.0 μg/m3 (58) | 58.0 | |
| May 8, 2021, 10 a.m. | 6.6 ppb (7) | 0.1 ppb (1) | 6.7 ppb (7) | 7.0 ppb (7) | 6.6 ppb (7) | 0.0 ppb (0) | 38.0 ppb (36) | 0.21 ppb (3) | 20.0 μg/m3 (19) | 17.0 μg/m3 (62) | 62.0 | |
| May 8, 2021, 9 a.m. | 10.7 ppb (11) | 0.2 ppb (1) | 8.9 ppb (9) | 11.0 ppb (11) | 8.8 ppb (9) | 0.0 ppb (0) | 32.0 ppb (30) | 0.27 ppb (4) | 28.0 μg/m3 (26) | 16.0 μg/m3 (60) | 60.0 | |
| May 8, 2021, 8 a.m. | 11.6 ppb (11) | 0.3 ppb (1) | 13.0 ppb (13) | 11.0 ppb (11) | 12.9 ppb (13) | 0.0 ppb (0) | 29.0 ppb (27) | 0.29 ppb (4) | 25.0 μg/m3 (24) | 21.0 μg/m3 (70) | 70.0 | |
| May 8, 2021, 7 a.m. | 12.9 ppb (13) | 0.2 ppb (1) | 13.6 ppb (13) | 13.0 ppb (13) | 13.5 ppb (13) | 0.0 ppb (0) | 31.0 ppb (29) | 0.28 ppb (4) | 29.0 μg/m3 (27) | 21.0 μg/m3 (70) | 70.0 | |
| May 8, 2021, 6 a.m. | 11.2 ppb (11) | 0.2 ppb (1) | 12.4 ppb (12) | 11.0 ppb (11) | 12.3 ppb (12) | 0.0 ppb (0) | 33.0 ppb (31) | 0.24 ppb (3) | 20.0 μg/m3 (19) | 16.0 μg/m3 (60) | 60.0 | |
| May 8, 2021, 5 a.m. | 8.8 ppb (9) | 0.2 ppb (1) | 10.5 ppb (10) | 9.0 ppb (9) | 10.4 ppb (10) | 0.0 ppb (0) | 34.0 ppb (32) | 0.27 ppb (4) | 16.0 μg/m3 (15) | 14.0 μg/m3 (55) | 55.0 | |
| May 8, 2021, 4 a.m. | 6.3 ppb (6) | 0.2 ppb (1) | 7.0 ppb (7) | 6.0 ppb (6) | 6.8 ppb (7) | 0.0 ppb (0) | 37.0 ppb (35) | 0.28 ppb (4) | 17.0 μg/m3 (16) | 11.0 μg/m3 (46) | 46.0 | |
| May 8, 2021, 3 a.m. | 4.8 ppb (5) | 0.2 ppb (1) | 5.0 ppb (5) | 5.0 ppb (5) | 4.9 ppb (5) | 0.0 ppb (0) | 41.0 ppb (38) | 0.24 ppb (3) | 15.0 μg/m3 (14) | 11.0 μg/m3 (46) | 46.0 | |
| May 8, 2021, 2 a.m. | 5.0 ppb (5) | 0.2 ppb (1) | 5.5 ppb (6) | 5.0 ppb (5) | 5.3 ppb (5) | 0.0 ppb (0) | 44.0 ppb (41) | 0.22 ppb (3) | 22.0 μg/m3 (21) | 11.0 μg/m3 (46) | 46.0 | |
| May 8, 2021, 1 a.m. | 6.0 ppb (6) | 0.5 ppb (1) | 6.5 ppb (7) | 6.0 ppb (6) | 6.0 ppb (6) | 0.0 ppb (0) | 49.0 ppb (46) | 0.22 ppb (3) | 18.0 μg/m3 (17) | 15.0 μg/m3 (58) | 58.0 | |
| May 8, 2021, midnight | 5.9 ppb (6) | 0.7 ppb (1) | 6.5 ppb (7) | 5.0 ppb (5) | 5.7 ppb (6) | 0.0 ppb (0) | 51.0 ppb (48) | 0.22 ppb (3) | 18.0 μg/m3 (17) | 17.0 μg/m3 (62) | 62.0 | |
| May 7, 2021, 11 p.m. | 5.7 ppb (6) | 0.9 ppb (1) | 6.2 ppb (6) | 5.0 ppb (5) | 5.3 ppb (5) | 0.0 ppb (0) | 52.0 ppb (49) | 0.21 ppb (3) | 24.0 μg/m3 (23) | 14.0 μg/m3 (55) | 55.0 | |
| May 7, 2021, 10 p.m. | 5.9 ppb (6) | 0.9 ppb (1) | 6.4 ppb (7) | 5.0 ppb (5) | 5.4 ppb (6) | 0.0 ppb (0) | 50.0 ppb (47) | 0.21 ppb (3) | 24.0 μg/m3 (23) | 9.0 μg/m3 (38) | 47.0 | |
| May 7, 2021, 9 p.m. | 10.0 ppb (10) | 1.9 ppb (2) | 10.1 ppb (10) | 8.0 ppb (8) | 8.4 ppb (8) | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 34.0 μg/m3 (32) | 20.0 μg/m3 (68) | 68.0 | |
| May 7, 2021, 8 p.m. | 13.4 ppb (13) | 2.6 ppb (3) | 14.1 ppb (14) | 11.0 ppb (11) | 11.2 ppb (11) | 0.0 ppb (0) | 49.0 ppb (46) | 0.29 ppb (4) | 38.0 μg/m3 (36) | 18.0 μg/m3 (64) | 64.0 | |
| May 7, 2021, 7 p.m. | 17.7 ppb (17) | 4.2 ppb (4) | 18.0 ppb (17) | 14.0 ppb (14) | 13.4 ppb (13) | N/A | 41.0 ppb (38) | N/A | 42.0 μg/m3 (39) | 17.0 μg/m3 (62) | 62.0 | |
| May 7, 2021, 6 p.m. | 19.4 ppb (19) | 4.0 ppb (4) | 19.6 ppb (19) | 15.0 ppb (15) | 15.2 ppb (15) | N/A | 34.0 ppb (32) | N/A | 36.0 μg/m3 (34) | 21.0 μg/m3 (70) | 70.0 | |
| May 7, 2021, 5 p.m. | 24.7 ppb (24) | 6.0 ppb (6) | 24.1 ppb (23) | 19.0 ppb (18) | 18.2 ppb (18) | N/A | 28.0 ppb (26) | N/A | 31.0 μg/m3 (29) | 18.0 μg/m3 (64) | 64.0 | |
| May 7, 2021, 4 p.m. | 21.8 ppb (21) | 2.8 ppb (3) | 21.2 ppb (20) | 19.0 ppb (18) | 17.9 ppb (17) | 0.0 ppb (0) | 25.0 ppb (24) | N/A | 29.0 μg/m3 (27) | 17.0 μg/m3 (62) | 62.0 | |
| May 7, 2021, 3 p.m. | 19.7 ppb (19) | 2.1 ppb (2) | 18.4 ppb (18) | 18.0 ppb (17) | 16.1 ppb (16) | 0.0 ppb (0) | 24.0 ppb (23) | N/A | 30.0 μg/m3 (28) | 19.0 μg/m3 (66) | 66.0 | |
| May 7, 2021, 2 p.m. | 18.7 ppb (18) | 1.7 ppb (2) | 16.0 ppb (16) | 17.0 ppb (17) | 14.1 ppb (14) | 0.0 ppb (0) | 22.0 ppb (21) | N/A | 31.0 μg/m3 (29) | 18.0 μg/m3 (64) | 64.0 | |
| May 7, 2021, 1 p.m. | 19.1 ppb (19) | 1.0 ppb (1) | 16.6 ppb (16) | 18.0 ppb (17) | 15.7 ppb (15) | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 27.0 μg/m3 (25) | 21.0 μg/m3 (70) | 70.0 | |
| May 7, 2021, noon | 11.3 ppb (11) | 0.5 ppb (1) | 9.6 ppb (10) | 11.0 ppb (11) | 9.4 ppb (9) | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 30.0 μg/m3 (28) | 22.0 μg/m3 (72) | 72.0 | |
| May 7, 2021, 11 a.m. | 8.7 ppb (9) | 0.3 ppb (1) | 7.6 ppb (8) | 8.0 ppb (8) | 7.5 ppb (8) | 0.0 ppb (0) | 30.0 ppb (28) | N/A | 30.0 μg/m3 (28) | 17.0 μg/m3 (62) | 62.0 | |
| May 7, 2021, 10 a.m. | 8.5 ppb (9) | 0.2 ppb (1) | 7.9 ppb (8) | 8.0 ppb (8) | 7.9 ppb (8) | 0.0 ppb (0) | 31.0 ppb (29) | N/A | 28.0 μg/m3 (26) | 19.0 μg/m3 (66) | 66.0 | |
| May 7, 2021, 9 a.m. | 8.5 ppb (9) | 0.1 ppb (1) | 7.9 ppb (8) | 8.0 ppb (8) | 7.8 ppb (8) | 0.0 ppb (0) | 31.0 ppb (29) | N/A | 28.0 μg/m3 (26) | 16.0 μg/m3 (60) | 60.0 | |
| May 7, 2021, 8 a.m. | 8.2 ppb (8) | 0.2 ppb (1) | 9.5 ppb (9) | 8.0 ppb (8) | 9.4 ppb (9) | 0.0 ppb (0) | 31.0 ppb (29) | N/A | 29.0 μg/m3 (27) | 22.0 μg/m3 (72) | 72.0 | |
| May 7, 2021, 7 a.m. | 7.7 ppb (8) | 0.1 ppb (1) | 8.5 ppb (9) | 8.0 ppb (8) | 8.5 ppb (9) | 0.0 ppb (0) | 33.0 ppb (31) | N/A | 28.0 μg/m3 (26) | 18.0 μg/m3 (64) | 64.0 | |
| May 7, 2021, 6 a.m. | 9.0 ppb (9) | 0.2 ppb (1) | 9.6 ppb (10) | 9.0 ppb (9) | 9.6 ppb (10) | 0.0 ppb (0) | 32.0 ppb (30) | N/A | 28.0 μg/m3 (26) | 15.0 μg/m3 (58) | 58.0 | |
| May 7, 2021, 5 a.m. | 7.4 ppb (7) | 0.1 ppb (1) | 8.2 ppb (8) | 7.0 ppb (7) | 8.1 ppb (8) | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 24.0 μg/m3 (23) | 18.0 μg/m3 (64) | 64.0 | |
| May 7, 2021, 4 a.m. | 7.6 ppb (8) | 0.2 ppb (1) | 8.0 ppb (8) | 7.0 ppb (7) | 7.9 ppb (8) | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 24.0 μg/m3 (23) | 19.0 μg/m3 (66) | 66.0 | |
| May 7, 2021, 3 a.m. | 6.4 ppb (7) | 0.2 ppb (1) | 6.7 ppb (7) | 6.0 ppb (6) | 6.7 ppb (7) | 0.0 ppb (0) | 38.0 ppb (36) | N/A | 24.0 μg/m3 (23) | 16.0 μg/m3 (60) | 60.0 | |
| May 7, 2021, 2 a.m. | 6.6 ppb (7) | 0.2 ppb (1) | 7.1 ppb (7) | 6.0 ppb (6) | 7.0 ppb (7) | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 22.0 μg/m3 (21) | 15.0 μg/m3 (58) | 58.0 | |
| May 7, 2021, 1 a.m. | 5.2 ppb (5) | 0.5 ppb (1) | 5.7 ppb (6) | 5.0 ppb (5) | 5.1 ppb (5) | 0.0 ppb (0) | 43.0 ppb (40) | N/A | 24.0 μg/m3 (23) | 17.0 μg/m3 (62) | 62.0 | |
| May 7, 2021, midnight | 5.3 ppb (5) | 0.9 ppb (1) | 6.4 ppb (7) | 4.0 ppb (4) | 5.3 ppb (5) | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 29.0 μg/m3 (27) | 14.0 μg/m3 (55) | 55.0 | |
| May 6, 2021, 11 p.m. | 5.4 ppb (6) | 0.9 ppb (1) | 6.2 ppb (6) | 5.0 ppb (5) | 5.4 ppb (6) | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 35.0 μg/m3 (33) | 18.0 μg/m3 (64) | 64.0 | |
| May 6, 2021, 10 p.m. | 9.0 ppb (9) | 1.5 ppb (2) | 9.6 ppb (10) | 7.0 ppb (7) | 8.1 ppb (8) | 0.0 ppb (0) | 56.0 ppb (55) | N/A | 35.0 μg/m3 (33) | 21.0 μg/m3 (70) | 70.0 | |
| May 6, 2021, 9 p.m. | N/A | N/A | 13.3 ppb (13) | N/A | 11.0 ppb (11) | 1.0 ppb (2) | N/A | N/A | 43.0 μg/m3 (40) | 24.0 μg/m3 (77) | 77.0 | |
| May 6, 2021, 8 p.m. | N/A | N/A | 17.9 ppb (17) | N/A | 14.3 ppb (14) | 1.0 ppb (2) | N/A | N/A | 61.0 μg/m3 (54) | 28.0 μg/m3 (85) | 85.0 | |
| May 6, 2021, 7 p.m. | N/A | N/A | 25.3 ppb (24) | N/A | 19.2 ppb (19) | 1.0 ppb (2) | N/A | N/A | 59.0 μg/m3 (53) | 33.0 μg/m3 (95) | 95.0 | |
| May 6, 2021, 6 p.m. | 26.5 ppb (25) | 7.0 ppb (7) | 27.3 ppb (26) | 20.0 ppb (19) | 20.0 ppb (19) | 0.0 ppb (0) | 37.0 ppb (35) | N/A | 57.0 μg/m3 (52) | 33.0 μg/m3 (95) | 95.0 | |
| May 6, 2021, 5 p.m. | 24.1 ppb (23) | 7.3 ppb (7) | 24.6 ppb (24) | 17.0 ppb (17) | 17.0 ppb (17) | 0.0 ppb (0) | 31.0 ppb (29) | N/A | 43.0 μg/m3 (40) | 26.0 μg/m3 (81) | 81.0 | |
| May 6, 2021, 4 p.m. | 20.9 ppb (20) | 4.9 ppb (5) | 20.3 ppb (20) | 16.0 ppb (16) | 15.4 ppb (15) | 0.0 ppb (0) | 25.0 ppb (24) | N/A | 44.0 μg/m3 (41) | 22.0 μg/m3 (72) | 72.0 | |
| May 6, 2021, 3 p.m. | 17.5 ppb (17) | 2.4 ppb (3) | 17.2 ppb (17) | 15.0 ppb (15) | 14.9 ppb (15) | 0.0 ppb (0) | 23.0 ppb (22) | N/A | 39.0 μg/m3 (37) | 24.0 μg/m3 (77) | 77.0 | |
| May 6, 2021, 2 p.m. | 21.8 ppb (21) | 3.3 ppb (4) | 19.4 ppb (19) | 18.0 ppb (17) | 16.4 ppb (16) | 0.0 ppb (0) | 16.0 ppb (15) | N/A | 46.0 μg/m3 (43) | 25.0 μg/m3 (79) | 79.0 | |
| May 6, 2021, 1 p.m. | 21.3 ppb (21) | 2.3 ppb (3) | 17.7 ppb (17) | 19.0 ppb (18) | 16.0 ppb (16) | 0.0 ppb (0) | 13.0 ppb (13) | N/A | 44.0 μg/m3 (41) | 27.0 μg/m3 (83) | 83.0 | |
| May 6, 2021, noon | 19.3 ppb (19) | 0.9 ppb (1) | 16.7 ppb (16) | 18.0 ppb (17) | 16.6 ppb (16) | 0.0 ppb (0) | 12.0 ppb (12) | N/A | 46.0 μg/m3 (43) | 32.0 μg/m3 (93) | 93.0 | |
| May 6, 2021, 11 a.m. | 19.2 ppb (19) | 4.7 ppb (5) | 15.9 ppb (15) | 15.0 ppb (15) | 12.2 ppb (12) | 0.0 ppb (0) | 13.0 ppb (13) | N/A | 34.0 μg/m3 (32) | 15.0 μg/m3 (58) | 58.0 | |
| May 6, 2021, 10 a.m. | 9.1 ppb (9) | 0.5 ppb (1) | 8.6 ppb (9) | 9.0 ppb (9) | 8.3 ppb (8) | 0.0 ppb (0) | 20.0 ppb (19) | N/A | 26.0 μg/m3 (25) | 14.0 μg/m3 (55) | 55.0 | |
| May 6, 2021, 9 a.m. | 7.9 ppb (8) | 0.3 ppb (1) | 7.5 ppb (8) | 8.0 ppb (8) | 7.4 ppb (7) | 0.0 ppb (0) | 24.0 ppb (23) | N/A | 30.0 μg/m3 (28) | 13.0 μg/m3 (53) | 53.0 | |
| May 6, 2021, 8 a.m. | 7.6 ppb (8) | 0.3 ppb (1) | 8.1 ppb (8) | 7.0 ppb (7) | 8.1 ppb (8) | 0.0 ppb (0) | 25.0 ppb (24) | N/A | 29.0 μg/m3 (27) | 20.0 μg/m3 (68) | 68.0 | |
| May 6, 2021, 7 a.m. | 8.3 ppb (8) | 0.3 ppb (1) | 8.6 ppb (9) | 8.0 ppb (8) | 8.5 ppb (9) | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 30.0 μg/m3 (28) | 16.0 μg/m3 (60) | 60.0 | |
| May 6, 2021, 6 a.m. | 7.7 ppb (8) | 0.3 ppb (1) | 8.2 ppb (8) | 7.0 ppb (7) | 8.1 ppb (8) | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 27.0 μg/m3 (25) | 16.0 μg/m3 (60) | 60.0 | |
| May 6, 2021, 5 a.m. | 8.8 ppb (9) | 0.3 ppb (1) | 9.0 ppb (9) | 9.0 ppb (9) | 8.9 ppb (9) | 0.0 ppb (0) | 31.0 ppb (29) | N/A | 29.0 μg/m3 (27) | 15.0 μg/m3 (58) | 58.0 | |
| May 6, 2021, 4 a.m. | 6.9 ppb (7) | 0.2 ppb (1) | 7.5 ppb (8) | 7.0 ppb (7) | 7.4 ppb (7) | 0.0 ppb (0) | 36.0 ppb (34) | N/A | 23.0 μg/m3 (22) | 19.0 μg/m3 (66) | 66.0 | |
| May 6, 2021, 3 a.m. | 6.7 ppb (7) | 0.2 ppb (1) | 7.1 ppb (7) | 6.0 ppb (6) | 7.0 ppb (7) | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 25.0 μg/m3 (24) | 16.0 μg/m3 (60) | 60.0 | |
| May 6, 2021, 2 a.m. | 8.2 ppb (8) | 0.2 ppb (1) | 8.8 ppb (9) | 8.0 ppb (8) | 8.6 ppb (9) | 0.0 ppb (0) | 41.0 ppb (38) | N/A | 29.0 μg/m3 (27) | 20.0 μg/m3 (68) | 68.0 | |
| May 6, 2021, 1 a.m. | 7.7 ppb (8) | 0.6 ppb (1) | 8.5 ppb (9) | 7.0 ppb (7) | 7.9 ppb (8) | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 34.0 μg/m3 (32) | 19.0 μg/m3 (66) | 66.0 | |
| May 6, 2021, midnight | 7.9 ppb (8) | 0.8 ppb (1) | 9.0 ppb (9) | 7.0 ppb (7) | 8.2 ppb (8) | 1.0 ppb (2) | 61.0 ppb (71) | N/A | 43.0 μg/m3 (40) | 25.0 μg/m3 (79) | 79.0 | |
| May 5, 2021, 11 p.m. | 10.0 ppb (10) | 1.2 ppb (2) | 10.9 ppb (11) | 9.0 ppb (9) | 9.6 ppb (10) | 1.0 ppb (2) | 62.0 ppb (74) | N/A | 45.0 μg/m3 (42) | 24.0 μg/m3 (77) | 77.0 | |
| May 5, 2021, 10 p.m. | 12.5 ppb (12) | 1.6 ppb (2) | 13.8 ppb (14) | 11.0 ppb (11) | 12.2 ppb (12) | 1.0 ppb (2) | 67.0 ppb (91) | N/A | 53.0 μg/m3 (50) | 27.0 μg/m3 (83) | 91.0 | |
| May 5, 2021, 9 p.m. | N/A | N/A | 15.2 ppb (15) | N/A | 13.4 ppb (13) | 1.0 ppb (2) | N/A | N/A | 61.0 μg/m3 (54) | 34.0 μg/m3 (98) | 98.0 | |
| May 5, 2021, 8 p.m. | N/A | N/A | 19.4 ppb (19) | N/A | 17.2 ppb (17) | N/A | N/A | N/A | 70.0 μg/m3 (59) | 38.0 μg/m3 (108) | 108.0 | |
| May 5, 2021, 7 p.m. | 25.2 ppb (24) | 3.1 ppb (3) | 27.1 ppb (26) | 22.0 ppb (21) | 23.7 ppb (23) | 1.0 ppb (2) | 67.0 ppb (91) | N/A | 75.0 μg/m3 (61) | 36.0 μg/m3 (103) | 103.0 | |
| May 5, 2021, 6 p.m. | 34.4 ppb (33) | 6.6 ppb (7) | 35.6 ppb (34) | 28.0 ppb (27) | 28.9 ppb (28) | 1.0 ppb (2) | 52.0 ppb (49) | N/A | 71.0 μg/m3 (59) | 38.0 μg/m3 (108) | 108.0 | |
| May 5, 2021, 5 p.m. | 54.8 ppb (52) | 17.9 ppb (17) | 54.9 ppb (52) | 37.0 ppb (35) | 37.4 ppb (36) | 1.0 ppb (2) | 27.0 ppb (25) | N/A | 74.0 μg/m3 (61) | 41.0 μg/m3 (115) | 115.0 | |
| May 5, 2021, 4 p.m. | 59.6 ppb (57) | 24.0 ppb (23) | 58.9 ppb (57) | 36.0 ppb (34) | 34.7 ppb (33) | 1.0 ppb (2) | 17.0 ppb (16) | N/A | 77.0 μg/m3 (62) | 40.0 μg/m3 (113) | 113.0 | |
| May 5, 2021, 3 p.m. | 46.5 ppb (44) | 20.4 ppb (20) | 43.6 ppb (42) | 26.0 ppb (25) | 24.3 ppb (23) | 1.0 ppb (2) | 13.0 ppb (13) | N/A | 65.0 μg/m3 (56) | 34.0 μg/m3 (98) | 98.0 | |
| May 5, 2021, 2 p.m. | 42.6 ppb (41) | 19.4 ppb (19) | 38.9 ppb (37) | 23.0 ppb (22) | 19.2 ppb (19) | 1.0 ppb (2) | 9.0 ppb (9) | N/A | 51.0 μg/m3 (48) | 31.0 μg/m3 (91) | 91.0 | |
| May 5, 2021, 1 p.m. | 32.7 ppb (31) | 7.7 ppb (8) | 27.7 ppb (27) | 25.0 ppb (24) | 19.3 ppb (19) | 0.0 ppb (0) | 5.0 ppb (5) | N/A | 47.0 μg/m3 (44) | 28.0 μg/m3 (85) | 85.0 | |
| May 5, 2021, noon | 27.8 ppb (27) | 4.2 ppb (4) | 22.1 ppb (21) | 24.0 ppb (23) | 20.2 ppb (20) | 0.0 ppb (0) | 8.0 ppb (8) | N/A | 42.0 μg/m3 (39) | 24.0 μg/m3 (77) | 77.0 | |
| May 5, 2021, 11 a.m. | 15.5 ppb (15) | 1.3 ppb (2) | 13.9 ppb (14) | 14.0 ppb (14) | 13.0 ppb (13) | 0.0 ppb (0) | 16.0 ppb (15) | N/A | 35.0 μg/m3 (33) | 15.0 μg/m3 (58) | 58.0 | |
| May 5, 2021, 10 a.m. | 17.3 ppb (17) | 0.9 ppb (1) | 17.0 ppb (17) | 16.0 ppb (16) | 16.4 ppb (16) | 0.0 ppb (0) | 13.0 ppb (13) | N/A | 33.0 μg/m3 (31) | 21.0 μg/m3 (70) | 70.0 | |
| May 5, 2021, 9 a.m. | 15.7 ppb (15) | 0.7 ppb (1) | 13.8 ppb (14) | 15.0 ppb (15) | 13.6 ppb (13) | 0.0 ppb (0) | 14.0 ppb (13) | N/A | 29.0 μg/m3 (27) | 19.0 μg/m3 (66) | 66.0 | |
| May 5, 2021, 8 a.m. | 14.1 ppb (14) | 0.6 ppb (1) | 13.8 ppb (14) | 13.0 ppb (13) | 13.5 ppb (13) | 0.0 ppb (0) | 17.0 ppb (16) | N/A | 31.0 μg/m3 (29) | 17.0 μg/m3 (62) | 62.0 | |
| May 5, 2021, 7 a.m. | 14.6 ppb (14) | 0.4 ppb (1) | 14.1 ppb (14) | 14.0 ppb (14) | 14.0 ppb (14) | 0.0 ppb (0) | 22.0 ppb (21) | N/A | 33.0 μg/m3 (31) | 25.0 μg/m3 (79) | 79.0 | |
| May 5, 2021, 6 a.m. | 19.7 ppb (19) | 0.4 ppb (1) | 21.3 ppb (21) | 19.0 ppb (18) | 20.9 ppb (20) | 1.0 ppb (2) | 21.0 ppb (20) | N/A | 40.0 μg/m3 (38) | 18.0 μg/m3 (64) | 64.0 | |
| May 5, 2021, 5 a.m. | 13.6 ppb (13) | 0.4 ppb (1) | 15.2 ppb (15) | 13.0 ppb (13) | 14.8 ppb (14) | 1.0 ppb (2) | 30.0 ppb (28) | N/A | 38.0 μg/m3 (36) | 25.0 μg/m3 (79) | 79.0 | |
| May 5, 2021, 4 a.m. | 9.8 ppb (10) | 0.4 ppb (1) | 10.6 ppb (10) | 9.0 ppb (9) | 10.2 ppb (10) | 0.0 ppb (0) | 34.0 ppb (32) | N/A | 31.0 μg/m3 (29) | 19.0 μg/m3 (66) | 66.0 |