Green Bay (Olde N) WI, US: 44.5167, -87.9939
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 30, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 1.1 μg/m3 (5) | 5.0 | |
| March 30, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 1.5 μg/m3 (6) | 6.0 | |
| March 30, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| March 29, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| March 29, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| March 29, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| March 29, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 1.4 μg/m3 (6) | 6.0 | |
| March 29, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 1.7 μg/m3 (7) | 7.0 | |
| March 29, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| March 29, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| March 29, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 0.9 μg/m3 (4) | 4.0 | |
| March 29, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.7 μg/m3 (20) | 20.0 | |
| March 29, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 3.9 μg/m3 (16) | 16.0 | |
| March 29, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.1 μg/m3 (17) | 17.0 | |
| March 29, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| March 29, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| March 29, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| March 29, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.1 μg/m3 (21) | 21.0 | |
| March 29, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| March 29, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| March 29, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| March 29, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| March 29, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| March 29, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.7 μg/m3 (24) | 24.0 | |
| March 29, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| March 28, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.6 μg/m3 (28) | 28.0 | |
| March 28, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.2 μg/m3 (30) | 30.0 | |
| March 28, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 28, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.3 μg/m3 (35) | 35.0 | |
| March 28, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 28, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.9 μg/m3 (29) | 29.0 | |
| March 28, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.6 μg/m3 (28) | 28.0 | |
| March 28, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.5 μg/m3 (27) | 27.0 | |
| March 28, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 28, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
| March 28, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.1 μg/m3 (30) | 30.0 | |
| March 28, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.1 μg/m3 (25) | 25.0 | |
| March 28, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.1 μg/m3 (21) | 21.0 | |
| March 28, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| March 28, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| March 28, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.8 μg/m3 (24) | 24.0 | |
| March 28, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.9 μg/m3 (20) | 20.0 | |
| March 28, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.2 μg/m3 (26) | 26.0 | |
| March 28, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 9.2 μg/m3 (38) | 38.0 | |
| March 28, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.1 μg/m3 (42) | 42.0 | |
| March 28, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.3 μg/m3 (47) | 47.0 | |
| March 28, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 12.9 μg/m3 (52) | 52.0 | |
| March 28, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.1 μg/m3 (46) | 46.0 | |
| March 28, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 9.4 μg/m3 (39) | 39.0 | |
| March 27, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| March 27, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 27, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.8 μg/m3 (32) | 32.0 | |
| March 27, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 27, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 27, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 27, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.7 μg/m3 (28) | 28.0 | |
| March 27, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.8 μg/m3 (24) | 24.0 | |
| March 27, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.6 μg/m3 (23) | 23.0 | |
| March 27, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| March 27, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.7 μg/m3 (36) | 36.0 | |
| March 27, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 9.2 μg/m3 (38) | 38.0 | |
| March 27, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
| March 27, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.3 μg/m3 (35) | 35.0 | |
| March 27, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.4 μg/m3 (35) | 35.0 | |
| March 27, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.9 μg/m3 (37) | 37.0 | |
| March 27, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
| March 27, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| March 27, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.5 μg/m3 (35) | 35.0 | |
| March 27, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 27, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 27, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 27, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.5 μg/m3 (27) | 27.0 | |
| March 27, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.2 μg/m3 (26) | 26.0 | |
| March 26, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.7 μg/m3 (20) | 20.0 | |
| March 26, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.5 μg/m3 (23) | 23.0 | |
| March 26, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.7 μg/m3 (24) | 24.0 | |
| March 26, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.7 μg/m3 (24) | 24.0 | |
| March 26, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| March 26, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| March 26, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| March 26, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.4 μg/m3 (18) | 18.0 | |
| March 26, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.6 μg/m3 (19) | 19.0 | |
| March 26, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.9 μg/m3 (29) | 29.0 | |
| March 26, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
| March 26, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
| March 26, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| March 26, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.3 μg/m3 (47) | 47.0 | |
| March 26, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| March 26, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| March 26, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.6 μg/m3 (28) | 28.0 | |
| March 26, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.3 μg/m3 (26) | 26.0 | |
| March 26, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 9.3 μg/m3 (39) | 39.0 | |
| March 26, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 19.9 μg/m3 (67) | 67.0 | |
| March 26, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 26.2 μg/m3 (80) | 80.0 | |
| March 26, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 14.7 μg/m3 (56) | 56.0 | |
| March 26, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 12.8 μg/m3 (52) | 52.0 | |
| March 25, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 12.3 μg/m3 (51) | 51.0 | |
| March 25, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 13.1 μg/m3 (52) | 52.0 | |
| March 25, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.6 μg/m3 (58) | 58.0 | |
| March 25, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 17.7 μg/m3 (62) | 62.0 | |
| March 25, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 20.3 μg/m3 (68) | 68.0 | |
| March 25, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 21.2 μg/m3 (70) | 70.0 | |
| March 25, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 19.5 μg/m3 (66) | 66.0 | |
| March 25, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.5 μg/m3 (66) | 66.0 | |
| March 25, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.5 μg/m3 (77) | 77.0 | |
| March 25, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 26.8 μg/m3 (81) | 81.0 | |
| March 25, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 28.2 μg/m3 (84) | 84.0 | |
| March 25, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 29.9 μg/m3 (88) | 88.0 | |
| March 25, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 27.8 μg/m3 (84) | 84.0 | |
| March 25, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 23.6 μg/m3 (75) | 75.0 | |
| March 25, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| March 25, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 17.4 μg/m3 (61) | 61.0 | |
| March 25, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 21.6 μg/m3 (70) | 70.0 | |
| March 25, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 24.6 μg/m3 (77) | 77.0 | |
| March 25, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 22.4 μg/m3 (72) | 72.0 | |
| March 25, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 22.4 μg/m3 (72) | 72.0 | |
| March 25, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 20.2 μg/m3 (67) | 67.0 | |
| March 24, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.8 μg/m3 (58) | 58.0 | |
| March 24, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.3 μg/m3 (57) | 57.0 | |
| March 24, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 17.6 μg/m3 (62) | 62.0 | |
| March 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.1 μg/m3 (57) | 57.0 | |
| March 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.2 μg/m3 (57) | 57.0 | |
| March 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| March 24, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 14.3 μg/m3 (55) | 55.0 | |
| March 24, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.2 μg/m3 (57) | 57.0 | |
| March 24, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.4 μg/m3 (57) | 57.0 | |
| March 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 14.6 μg/m3 (56) | 56.0 | |
| March 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 13.9 μg/m3 (54) | 54.0 | |
| March 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 13.7 μg/m3 (54) | 54.0 | |
| March 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.3 μg/m3 (57) | 57.0 | |
| March 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.4 μg/m3 (57) | 57.0 | |
| March 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 16.2 μg/m3 (59) | 59.0 | |
| March 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 16.6 μg/m3 (60) | 60.0 | |
| March 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 17.6 μg/m3 (62) | 62.0 | |
| March 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 19.2 μg/m3 (65) | 65.0 | |
| March 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 19.5 μg/m3 (66) | 66.0 | |
| March 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 21.3 μg/m3 (70) | 70.0 | |
| March 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 22.2 μg/m3 (72) | 72.0 | |
| March 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 20.2 μg/m3 (67) | 67.0 | |
| March 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.8 μg/m3 (58) | 58.0 | |
| March 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.5 μg/m3 (57) | 57.0 | |
| March 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.9 μg/m3 (58) | 58.0 | |
| March 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 14.5 μg/m3 (55) | 55.0 | |
| March 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 13.9 μg/m3 (54) | 54.0 | |
| March 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 14.1 μg/m3 (54) | 54.0 | |
| March 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 14.6 μg/m3 (56) | 56.0 | |
| March 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.2 μg/m3 (57) | 57.0 | |
| March 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.1 μg/m3 (57) | 57.0 | |
| March 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.5 μg/m3 (57) | 57.0 | |
| March 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.6 μg/m3 (58) | 58.0 | |
| March 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 15.3 μg/m3 (57) | 57.0 | |
| March 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| March 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.4 μg/m3 (48) | 48.0 | |
| March 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.1 μg/m3 (46) | 46.0 | |
| March 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.8 μg/m3 (49) | 49.0 | |
| March 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 12.1 μg/m3 (50) | 50.0 | |
| March 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 11.2 μg/m3 (47) | 47.0 | |
| March 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.4 μg/m3 (43) | 43.0 | |
| March 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.6 μg/m3 (44) | 44.0 | |
| March 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 9.4 μg/m3 (39) | 39.0 | |
| March 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.4 μg/m3 (27) | 27.0 | |
| March 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.3 μg/m3 (22) | 22.0 | |
| March 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| March 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.3 μg/m3 (22) | 22.0 | |
| March 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.1 μg/m3 (21) | 21.0 | |
| March 22, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.9 μg/m3 (25) | 25.0 | |
| March 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.9 μg/m3 (33) | 33.0 |