Wilmington (Justison Landing) DE, US: 39.7394, -75.5581
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (55) | 0.19 ppb (3) | N/A | 5.7 μg/m3 (24) | 55.0 | |
| May 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (55) | 0.18 ppb (3) | N/A | 5.3 μg/m3 (23) | 55.0 | |
| May 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.2 ppb (3) | N/A | 5.4 μg/m3 (23) | 50.0 | |
| May 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.17 ppb (3) | N/A | 5.1 μg/m3 (22) | 48.0 | |
| May 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.17 ppb (3) | N/A | 4.7 μg/m3 (20) | 45.0 | |
| May 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | 0.18 ppb (3) | N/A | 4.7 μg/m3 (20) | 43.0 | |
| May 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 44.0 ppb (41) | 0.2 ppb (3) | N/A | 6.3 μg/m3 (27) | 41.0 | |
| May 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.2 ppb (3) | N/A | 4.7 μg/m3 (20) | 39.0 | |
| May 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.22 ppb (3) | N/A | 4.9 μg/m3 (21) | 36.0 | |
| May 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 30.0 ppb (28) | 0.25 ppb (3) | N/A | 5.8 μg/m3 (25) | 28.0 | |
| May 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.24 ppb (3) | N/A | 6.3 μg/m3 (27) | 27.0 | |
| May 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.26 ppb (4) | N/A | 6.5 μg/m3 (28) | 28.0 | |
| May 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.21 ppb (3) | N/A | 6.8 μg/m3 (29) | 29.0 | |
| May 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.2 ppb (3) | N/A | 6.8 μg/m3 (29) | 29.0 | |
| May 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.22 ppb (3) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| May 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.27 ppb (4) | N/A | 10.8 μg/m3 (46) | 46.0 | |
| May 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 18.0 ppb (17) | 0.29 ppb (4) | N/A | 8.4 μg/m3 (36) | 36.0 | |
| May 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 18.0 ppb (17) | 0.34 ppb (4) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| May 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.21 ppb (3) | N/A | 5.4 μg/m3 (23) | 27.0 | |
| May 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.26 ppb (4) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| May 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.36 ppb (5) | N/A | 7.4 μg/m3 (31) | 31.0 | |
| May 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.3 ppb (4) | N/A | 6.4 μg/m3 (27) | 30.0 | |
| May 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.23 ppb (3) | N/A | 5.0 μg/m3 (21) | 38.0 | |
| May 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.2 ppb (3) | N/A | 4.2 μg/m3 (18) | 40.0 | |
| May 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.2 ppb (3) | N/A | 4.1 μg/m3 (18) | 45.0 | |
| May 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.18 ppb (3) | N/A | 4.3 μg/m3 (18) | 47.0 | |
| May 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (46) | 0.2 ppb (3) | N/A | 4.2 μg/m3 (18) | 46.0 | |
| May 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | 0.19 ppb (3) | N/A | 4.3 μg/m3 (18) | 46.0 | |
| May 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | 0.18 ppb (3) | N/A | 4.0 μg/m3 (17) | 42.0 | |
| May 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | 0.17 ppb (3) | N/A | 3.9 μg/m3 (17) | 40.0 | |
| May 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.19 ppb (3) | N/A | 3.9 μg/m3 (17) | 38.0 | |
| May 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.22 ppb (3) | N/A | 3.9 μg/m3 (17) | 32.0 | |
| May 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.24 ppb (3) | N/A | 4.2 μg/m3 (18) | 29.0 | |
| May 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.22 ppb (3) | N/A | 3.9 μg/m3 (17) | 26.0 | |
| May 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.23 ppb (3) | N/A | 3.6 μg/m3 (16) | 23.0 | |
| May 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.23 ppb (3) | N/A | 3.8 μg/m3 (16) | 17.0 | |
| May 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.19 ppb (3) | N/A | 3.6 μg/m3 (16) | 17.0 | |
| May 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.17 ppb (3) | N/A | 3.7 μg/m3 (16) | 24.0 | |
| May 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.18 ppb (3) | N/A | 4.1 μg/m3 (18) | 26.0 | |
| May 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.19 ppb (3) | N/A | 4.3 μg/m3 (18) | 25.0 | |
| May 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.2 ppb (3) | N/A | 4.2 μg/m3 (18) | 25.0 | |
| May 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.22 ppb (3) | N/A | 4.5 μg/m3 (19) | 23.0 | |
| May 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.23 ppb (3) | N/A | 4.8 μg/m3 (20) | 24.0 | |
| May 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.29 ppb (4) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| May 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.35 ppb (4) | N/A | 6.8 μg/m3 (29) | 29.0 | |
| May 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.32 ppb (4) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.21 ppb (3) | N/A | 3.7 μg/m3 (16) | 31.0 | |
| May 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.2 ppb (3) | N/A | 3.4 μg/m3 (15) | 36.0 | |
| May 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.2 ppb (3) | N/A | 3.4 μg/m3 (15) | 38.0 | |
| May 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.19 ppb (3) | N/A | 3.3 μg/m3 (14) | 37.0 | |
| May 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.2 ppb (3) | N/A | 3.3 μg/m3 (14) | 38.0 | |
| May 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.2 ppb (3) | N/A | 3.4 μg/m3 (15) | 36.0 | |
| May 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.19 ppb (3) | N/A | 3.2 μg/m3 (14) | 35.0 | |
| May 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.19 ppb (3) | N/A | 3.2 μg/m3 (14) | 34.0 | |
| May 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.2 ppb (3) | N/A | 3.1 μg/m3 (13) | 31.0 | |
| May 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.22 ppb (3) | N/A | 3.4 μg/m3 (15) | 28.0 | |
| May 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.19 ppb (3) | N/A | 3.8 μg/m3 (16) | 25.0 | |
| May 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.19 ppb (3) | N/A | 3.5 μg/m3 (15) | 25.0 | |
| May 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.19 ppb (3) | N/A | 3.2 μg/m3 (14) | 19.0 | |
| May 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.18 ppb (3) | N/A | 2.6 μg/m3 (11) | 21.0 | |
| May 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.16 ppb (3) | N/A | 1.6 μg/m3 (7) | 23.0 | |
| May 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.16 ppb (3) | N/A | 1.5 μg/m3 (7) | 22.0 | |
| May 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.15 ppb (2) | N/A | 1.2 μg/m3 (5) | 26.0 | |
| May 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.15 ppb (2) | N/A | 1.3 μg/m3 (6) | 28.0 | |
| May 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.15 ppb (2) | N/A | 1.9 μg/m3 (8) | 28.0 | |
| May 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.15 ppb (2) | N/A | 2.6 μg/m3 (11) | 29.0 | |
| May 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.17 ppb (3) | N/A | 3.7 μg/m3 (16) | 30.0 | |
| May 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.2 ppb (3) | N/A | 6.0 μg/m3 (25) | 36.0 | |
| May 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.19 ppb (3) | N/A | 5.4 μg/m3 (23) | 38.0 | |
| May 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.18 ppb (3) | N/A | 5.1 μg/m3 (22) | 41.0 | |
| May 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | 0.2 ppb (3) | N/A | 5.6 μg/m3 (24) | 43.0 | |
| May 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.18 ppb (3) | N/A | 5.6 μg/m3 (24) | 44.0 | |
| May 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.18 ppb (3) | N/A | 4.8 μg/m3 (20) | 44.0 | |
| May 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.18 ppb (3) | N/A | 4.5 μg/m3 (19) | 44.0 | |
| May 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.19 ppb (3) | N/A | 5.4 μg/m3 (23) | 45.0 | |
| May 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.18 ppb (3) | N/A | 6.0 μg/m3 (25) | 45.0 | |
| May 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (46) | 0.18 ppb (3) | N/A | 7.1 μg/m3 (30) | 46.0 | |
| May 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.18 ppb (3) | N/A | 7.3 μg/m3 (31) | 45.0 | |
| May 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.21 ppb (3) | N/A | 7.5 μg/m3 (32) | 42.0 | |
| May 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.2 ppb (3) | N/A | 5.8 μg/m3 (25) | 39.0 | |
| May 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.18 ppb (3) | N/A | 4.2 μg/m3 (18) | 34.0 | |
| May 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (3) | N/A | 3.6 μg/m3 (16) | 16.0 | |
| May 10, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.19 ppb (3) | N/A | 3.3 μg/m3 (14) | 40.0 | |
| May 10, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.19 ppb (3) | N/A | 3.3 μg/m3 (14) | 39.0 | |
| May 10, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | N/A | N/A | 3.2 μg/m3 (14) | 36.0 | |
| May 10, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | N/A | N/A | 3.0 μg/m3 (13) | 38.0 | |
| May 10, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.19 ppb (3) | N/A | 3.2 μg/m3 (14) | 35.0 | |
| May 10, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.19 ppb (3) | N/A | 2.1 μg/m3 (9) | 33.0 | |
| May 10, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.2 ppb (3) | N/A | 2.0 μg/m3 (9) | 31.0 | |
| May 10, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.2 ppb (3) | N/A | 2.9 μg/m3 (13) | 29.0 | |
| May 10, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.2 ppb (3) | N/A | 3.6 μg/m3 (16) | 26.0 | |
| May 10, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.23 ppb (3) | N/A | 3.2 μg/m3 (14) | 25.0 | |
| May 10, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.22 ppb (3) | N/A | 3.5 μg/m3 (15) | 24.0 | |
| May 10, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.21 ppb (3) | N/A | 4.9 μg/m3 (21) | 23.0 | |
| May 10, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.21 ppb (3) | N/A | 10.1 μg/m3 (43) | 43.0 | |
| May 10, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.21 ppb (3) | N/A | 7.8 μg/m3 (33) | 33.0 | |
| May 10, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.21 ppb (3) | N/A | 7.4 μg/m3 (31) | 31.0 | |
| May 10, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.23 ppb (3) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| May 10, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.23 ppb (3) | N/A | 7.3 μg/m3 (31) | 31.0 | |
| May 10, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.2 ppb (3) | N/A | 6.7 μg/m3 (28) | 35.0 | |
| May 10, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.2 ppb (3) | N/A | 6.1 μg/m3 (26) | 34.0 | |
| May 10, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.21 ppb (3) | N/A | 5.9 μg/m3 (25) | 35.0 | |
| May 10, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.21 ppb (3) | N/A | 5.6 μg/m3 (24) | 37.0 | |
| May 10, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.21 ppb (3) | N/A | 5.0 μg/m3 (21) | 38.0 | |
| May 9, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.21 ppb (3) | N/A | 4.9 μg/m3 (21) | 37.0 | |
| May 9, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.2 ppb (3) | N/A | 5.0 μg/m3 (21) | 37.0 | |
| May 9, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.2 ppb (3) | N/A | 5.7 μg/m3 (24) | 32.0 | |
| May 9, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.19 ppb (3) | N/A | 5.8 μg/m3 (25) | 33.0 | |
| May 9, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.2 ppb (3) | N/A | 5.6 μg/m3 (24) | 33.0 | |
| May 9, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.19 ppb (3) | N/A | 5.6 μg/m3 (24) | 33.0 | |
| May 9, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 33.0 ppb (31) | 0.18 ppb (3) | N/A | 5.5 μg/m3 (23) | 31.0 | |
| May 9, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.18 ppb (3) | N/A | 5.1 μg/m3 (22) | 30.0 | |
| May 9, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.2 ppb (3) | N/A | 5.7 μg/m3 (24) | 27.0 | |
| May 9, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.19 ppb (3) | N/A | 6.3 μg/m3 (27) | 27.0 | |
| May 9, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.19 ppb (3) | N/A | 5.9 μg/m3 (25) | 27.0 | |
| May 9, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.18 ppb (3) | N/A | 5.1 μg/m3 (22) | 26.0 | |
| May 9, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.19 ppb (3) | N/A | 5.0 μg/m3 (21) | 25.0 | |
| May 9, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.19 ppb (3) | N/A | 5.2 μg/m3 (22) | 23.0 | |
| May 9, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.18 ppb (3) | N/A | 5.8 μg/m3 (25) | 25.0 | |
| May 9, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.18 ppb (3) | N/A | 5.9 μg/m3 (25) | 25.0 | |
| May 9, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.19 ppb (3) | N/A | 6.5 μg/m3 (28) | 28.0 | |
| May 9, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.22 ppb (3) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| May 9, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.22 ppb (3) | N/A | 7.5 μg/m3 (32) | 32.0 | |
| May 9, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.23 ppb (3) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| May 9, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.24 ppb (3) | N/A | 7.0 μg/m3 (30) | 30.0 | |
| May 9, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.23 ppb (3) | N/A | 5.4 μg/m3 (23) | 25.0 | |
| May 9, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.22 ppb (3) | N/A | 3.8 μg/m3 (16) | 28.0 | |
| May 9, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.23 ppb (3) | N/A | 3.6 μg/m3 (16) | 31.0 | |
| May 8, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.2 ppb (3) | N/A | 4.1 μg/m3 (18) | 34.0 | |
| May 8, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.2 ppb (3) | N/A | 5.5 μg/m3 (23) | 35.0 | |
| May 8, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 5.6 μg/m3 (24) | 36.0 | |
| May 8, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.2 ppb (3) | N/A | 7.1 μg/m3 (30) | 36.0 | |
| May 8, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.19 ppb (3) | N/A | 6.5 μg/m3 (28) | 38.0 | |
| May 8, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.18 ppb (3) | N/A | 5.9 μg/m3 (25) | 38.0 | |
| May 8, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 5.6 μg/m3 (24) | 36.0 | |
| May 8, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.18 ppb (3) | N/A | 5.2 μg/m3 (22) | 38.0 | |
| May 8, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.18 ppb (3) | N/A | 5.8 μg/m3 (25) | 34.0 | |
| May 8, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.18 ppb (3) | N/A | 4.8 μg/m3 (20) | 30.0 | |
| May 8, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.18 ppb (3) | N/A | 4.7 μg/m3 (20) | 26.0 | |
| May 8, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.19 ppb (3) | N/A | 6.1 μg/m3 (26) | 26.0 | |
| May 8, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.19 ppb (3) | N/A | 7.4 μg/m3 (31) | 31.0 | |
| May 8, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.2 ppb (3) | N/A | 7.8 μg/m3 (33) | 33.0 | |
| May 8, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.2 ppb (3) | N/A | 7.7 μg/m3 (33) | 33.0 | |
| May 8, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.38 ppb (5) | N/A | 7.4 μg/m3 (31) | 31.0 | |
| May 8, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.2 ppb (3) | N/A | 5.7 μg/m3 (24) | 24.0 | |
| May 8, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.2 ppb (3) | N/A | 4.9 μg/m3 (21) | 26.0 | |
| May 8, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.2 ppb (3) | N/A | 5.4 μg/m3 (23) | 27.0 | |
| May 8, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.22 ppb (3) | N/A | 6.8 μg/m3 (29) | 29.0 | |
| May 8, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.22 ppb (3) | N/A | 6.2 μg/m3 (26) | 28.0 | |
| May 8, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.22 ppb (3) | N/A | 5.0 μg/m3 (21) | 33.0 | |
| May 8, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.21 ppb (3) | N/A | 6.8 μg/m3 (29) | 35.0 | |
| May 8, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.22 ppb (3) | N/A | 8.6 μg/m3 (36) | 36.0 | |
| May 7, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.22 ppb (3) | N/A | 6.5 μg/m3 (28) | 33.0 | |
| May 7, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.2 ppb (3) | N/A | 4.1 μg/m3 (18) | 39.0 | |
| May 7, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.19 ppb (3) | N/A | 3.7 μg/m3 (16) | 41.0 | |
| May 7, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 46.0 ppb (43) | 0.18 ppb (3) | N/A | 3.5 μg/m3 (15) | 43.0 | |
| May 7, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | 0.18 ppb (3) | N/A | 3.7 μg/m3 (16) | 43.0 | |
| May 7, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | 0.18 ppb (3) | N/A | 3.9 μg/m3 (17) | 42.0 | |
| May 7, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | 0.18 ppb (3) | N/A | 4.0 μg/m3 (17) | 40.0 | |
| May 7, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | 0.2 ppb (3) | N/A | 3.6 μg/m3 (16) | 37.0 | |
| May 7, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | 0.21 ppb (3) | N/A | 3.9 μg/m3 (17) | 32.0 | |
| May 7, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | 0.21 ppb (3) | N/A | 3.6 μg/m3 (16) | 30.0 | |
| May 7, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.28 ppb (4) | N/A | 3.5 μg/m3 (15) | 26.0 | |
| May 7, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.17 ppb (3) | N/A | 2.8 μg/m3 (12) | 29.0 | |
| May 7, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.18 ppb (3) | N/A | 3.1 μg/m3 (13) | 27.0 | |
| May 7, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | 3.8 μg/m3 (16) | 25.0 | |
| May 7, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.26 ppb (4) | N/A | 5.5 μg/m3 (23) | 23.0 | |
| May 7, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.27 ppb (4) | N/A | 5.7 μg/m3 (24) | 24.0 |