None None, None: None, None
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 22, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (13) | N/A | N/A | N/A | N/A | 13.0 | |
| May 22, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 22, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 7.0 | |
| May 22, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 21, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | N/A | N/A | 17.0 | |
| May 21, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (14) | N/A | N/A | N/A | N/A | 14.0 | |
| May 21, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | N/A | N/A | 20.0 | |
| May 21, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | N/A | N/A | 17.0 | |
| May 21, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 6.0 | |
| May 21, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | N/A | N/A | N/A | N/A | 10.0 | |
| May 21, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (37) | N/A | N/A | N/A | N/A | 37.0 | |
| May 21, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (61) | N/A | N/A | N/A | N/A | 61.0 | |
| May 21, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 66.0 ppb (64) | N/A | N/A | N/A | N/A | 64.0 | |
| May 21, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | N/A | N/A | N/A | N/A | 30.0 | |
| May 21, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 6.0 | |
| May 21, 2019, noon | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 6.0 | |
| May 21, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | N/A | N/A | N/A | N/A | 10.0 | |
| May 21, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (14) | N/A | N/A | N/A | N/A | 14.0 | |
| May 21, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 21, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 21, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 21, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 21, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 21, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (37) | N/A | N/A | N/A | N/A | 37.0 | |
| May 21, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (61) | N/A | N/A | N/A | N/A | 61.0 | |
| May 21, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (51) | N/A | N/A | N/A | N/A | 51.0 | |
| May 21, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | N/A | N/A | 16.0 | |
| May 21, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | N/A | N/A | N/A | N/A | 10.0 | |
| May 20, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 7.0 | |
| May 20, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 20, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 20, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 6.0 | |
| May 20, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 7.0 | |
| May 20, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | N/A | N/A | 20.0 | |
| May 20, 2019, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | N/A | 9.0 | |
| May 20, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 20, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 20, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 20, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | N/A | N/A | N/A | N/A | 10.0 | |
| May 20, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 20, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 20, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 19, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 19, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 19, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 19, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 18, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 18, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 18, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 17, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 17, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 17, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 16, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 4.0 | |
| May 15, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| May 15, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 |