Detroit (N Santiam Hwy) OR, US: 44.728314, -122.182756
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 3, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 3, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Oct. 3, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Oct. 3, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 3, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 3, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| Oct. 3, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.9 μg/m3 (16) | 16.0 | |
| Oct. 3, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.3 μg/m3 (14) | 14.0 | |
| Oct. 3, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| Oct. 3, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.4 μg/m3 (14) | 14.0 | |
| Oct. 3, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| Oct. 3, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.3 μg/m3 (18) | 18.0 | |
| Oct. 3, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| Oct. 3, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| Oct. 3, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.2 μg/m3 (18) | 18.0 | |
| Oct. 3, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| Oct. 3, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.9 μg/m3 (20) | 20.0 | |
| Oct. 3, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.5 μg/m3 (15) | 15.0 | |
| Oct. 3, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.2 μg/m3 (13) | 13.0 | |
| Oct. 3, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Oct. 3, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Oct. 2, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.8 μg/m3 (16) | 16.0 | |
| Oct. 2, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.4 μg/m3 (14) | 14.0 | |
| Oct. 2, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 2, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 2, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Oct. 2, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.7 μg/m3 (11) | 11.0 | |
| Oct. 2, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Oct. 1, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Oct. 1, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Oct. 1, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Oct. 1, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Oct. 1, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Oct. 1, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Oct. 1, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Oct. 1, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Sept. 30, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.2 μg/m3 (13) | 13.0 | |
| Sept. 30, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.4 μg/m3 (18) | 18.0 | |
| Sept. 30, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.9 μg/m3 (12) | 12.0 | |
| Sept. 30, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 30, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 29, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Sept. 28, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.7 μg/m3 (11) | 11.0 | |
| Sept. 28, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Sept. 28, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Sept. 28, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Sept. 28, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.7 μg/m3 (11) | 11.0 | |
| Sept. 28, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 28, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.2 μg/m3 (9) | 9.0 | |
| Sept. 28, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.7 μg/m3 (11) | 11.0 | |
| Sept. 28, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.8 μg/m3 (12) | 12.0 | |
| Sept. 27, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.8 μg/m3 (12) | 12.0 | |
| Sept. 27, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Sept. 27, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Sept. 27, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Sept. 27, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.7 μg/m3 (11) | 11.0 | |
| Sept. 27, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.8 μg/m3 (12) | 12.0 | |
| Sept. 27, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.1 μg/m3 (13) | 13.0 | |
| Sept. 27, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.1 μg/m3 (13) | 13.0 | |
| Sept. 27, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| Sept. 27, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| Sept. 27, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.8 μg/m3 (12) | 12.0 | |
| Sept. 27, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Sept. 27, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Sept. 27, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Sept. 27, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 27, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.3 μg/m3 (10) | 10.0 | |
| Sept. 27, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| Sept. 27, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 27, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 27, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 27, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| Sept. 27, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 27, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.7 μg/m3 (11) | 11.0 | |
| Sept. 27, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.9 μg/m3 (12) | 12.0 | |
| Sept. 26, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 26, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 26, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.9 μg/m3 (8) | 8.0 |