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| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 19, 2019, 6 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 19, 2019, 5 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 19, 2019, 4 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 19, 2019, 3 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 19, 2019, 2 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 19, 2019, 1 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 19, 2019, noon | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 19, 2019, 11 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 19, 2019, 10 a.m. | 11.0 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 10.0 | |
| Sept. 19, 2019, 9 a.m. | 11.0 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 10.0 | |
| Sept. 19, 2019, 8 a.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 19, 2019, 7 a.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 19, 2019, 6 a.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 19, 2019, 5 a.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 19, 2019, 4 a.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 19, 2019, 3 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 19, 2019, 2 a.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 19, 2019, 1 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 19, 2019, midnight | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 11 p.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 18, 2019, 10 p.m. | 11.0 ppb (10) | 4.0 ppb (4) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 10.0 | |
| Sept. 18, 2019, 9 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 8 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 7 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 6 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 5 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 4 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 3 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 2 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 1 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, noon | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 18, 2019, 11 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 10 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 9 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 8 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 7 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 6 a.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 5 a.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 18, 2019, 4 a.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 3 a.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 2 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 18, 2019, 1 a.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 18, 2019, midnight | 12.0 ppb (11) | 4.0 ppb (4) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 11.0 | |
| Sept. 17, 2019, 11 p.m. | 15.0 ppb (14) | 5.0 ppb (5) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 14.0 | |
| Sept. 17, 2019, 10 p.m. | 9.0 ppb (8) | 4.0 ppb (4) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 17, 2019, 9 p.m. | 8.0 ppb (7) | 4.0 ppb (4) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 17, 2019, 8 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 7 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 6 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 5 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 4 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 3 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 2 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 17, 2019, 1 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 17, 2019, noon | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 17, 2019, 11 a.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 17, 2019, 10 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 17, 2019, 9 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 17, 2019, 8 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 17, 2019, 7 a.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 17, 2019, 6 a.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 17, 2019, 5 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 4 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 3 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 2 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, 1 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 17, 2019, midnight | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 16, 2019, 11 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 16, 2019, 10 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 16, 2019, 9 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 16, 2019, 8 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 16, 2019, 7 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 16, 2019, 6 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 16, 2019, 5 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 16, 2019, 4 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 16, 2019, 3 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 16, 2019, 2 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 1 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, noon | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 11 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 10 a.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 16, 2019, 9 a.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 16, 2019, 8 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 7 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 6 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 5 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 4 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 3 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 2 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, 1 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 16, 2019, midnight | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 15, 2019, 11 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 15, 2019, 10 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 9 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 8 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 7 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 6 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 5 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 4 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 3 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, 2 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 15, 2019, 1 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 15, 2019, noon | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 15, 2019, 11 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 15, 2019, 10 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 15, 2019, 9 a.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 15, 2019, 8 a.m. | 12.0 ppb (11) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | 6.0 ppb (9) | N/A | N/A | N/A | N/A | 11.0 | |
| Sept. 15, 2019, 7 a.m. | 10.0 ppb (9) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | 6.0 ppb (9) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 15, 2019, 6 a.m. | 8.0 ppb (7) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | 7.0 ppb (10) | N/A | N/A | N/A | N/A | 10.0 | |
| Sept. 15, 2019, 5 a.m. | 12.0 ppb (11) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | 11.0 ppb (16) | N/A | N/A | N/A | N/A | 16.0 | |
| Sept. 15, 2019, 4 a.m. | 14.0 ppb (13) | 3.0 ppb (3) | N/A | 11.0 ppb (10) | N/A | 14.0 ppb (20) | N/A | N/A | N/A | N/A | 20.0 | |
| Sept. 15, 2019, 3 a.m. | 11.0 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | 9.0 ppb (13) | N/A | N/A | N/A | N/A | 13.0 | |
| Sept. 15, 2019, 2 a.m. | 13.0 ppb (12) | 3.0 ppb (3) | N/A | 10.0 ppb (9) | N/A | 10.0 ppb (14) | N/A | N/A | N/A | N/A | 14.0 | |
| Sept. 15, 2019, 1 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 15, 2019, midnight | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, 11 p.m. | 5.0 ppb (5) | 3.0 ppb (3) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 10 p.m. | 5.0 ppb (5) | 3.0 ppb (3) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 9 p.m. | 5.0 ppb (5) | 3.0 ppb (3) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 8 p.m. | 5.0 ppb (5) | 3.0 ppb (3) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 7 p.m. | 5.0 ppb (5) | 3.0 ppb (3) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 6 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, 5 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, 4 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, 3 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 2 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, 1 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, noon | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, 11 a.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 10 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 14, 2019, 9 a.m. | 8.0 ppb (7) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 14, 2019, 8 a.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 14, 2019, 7 a.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 6 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 14, 2019, 5 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 14, 2019, 4 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 14, 2019, 3 a.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 14, 2019, 2 a.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, 1 a.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 14, 2019, midnight | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 11 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Sept. 13, 2019, 10 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 9 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 8 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 13, 2019, 7 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 13, 2019, 6 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 13, 2019, 5 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 13, 2019, 4 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 13, 2019, 3 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 13, 2019, 2 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Sept. 13, 2019, 1 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 13, 2019, noon | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Sept. 13, 2019, 11 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 10 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 9 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 8 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 7 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 6.0 | |
| Sept. 13, 2019, 6 a.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 13, 2019, 5 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 7.0 ppb (10) | N/A | N/A | N/A | N/A | 10.0 | |
| Sept. 13, 2019, 4 a.m. | 15.0 ppb (14) | 3.0 ppb (3) | N/A | 12.0 ppb (11) | N/A | 11.0 ppb (16) | N/A | N/A | N/A | N/A | 16.0 | |
| Sept. 13, 2019, 3 a.m. | 13.0 ppb (12) | 3.0 ppb (3) | N/A | 10.0 ppb (9) | N/A | 8.0 ppb (11) | N/A | N/A | N/A | N/A | 12.0 | |
| Sept. 13, 2019, 2 a.m. | 12.0 ppb (11) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 11.0 | |
| Sept. 13, 2019, 1 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 13, 2019, midnight | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 12, 2019, 11 p.m. | 11.0 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 10.0 | |
| Sept. 12, 2019, 10 p.m. | 12.0 ppb (11) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 11.0 | |
| Sept. 12, 2019, 9 p.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| Sept. 12, 2019, 8 p.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| Sept. 12, 2019, 7 p.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 8.0 |