Cary NC, US: 35.8652, -78.8197
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 17, 2019, 6 p.m. | 17.2 ppb (16) | 8.7 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 16.0 | |
| July 17, 2019, 5 p.m. | 14.8 ppb (14) | 7.5 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 14.0 | |
| July 17, 2019, 4 p.m. | 18.6 ppb (17) | 9.3 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 17.0 | |
| July 17, 2019, 3 p.m. | 20.1 ppb (19) | 9.9 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 17, 2019, 2 p.m. | 25.0 ppb (23) | 11.1 ppb (10) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 23.0 | |
| July 17, 2019, 1 p.m. | 25.0 ppb (23) | 11.6 ppb (11) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 23.0 | |
| July 17, 2019, noon | 23.2 ppb (21) | 11.6 ppb (11) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 21.0 | |
| July 17, 2019, 11 a.m. | 31.9 ppb (30) | 16.4 ppb (15) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 30.0 | |
| July 17, 2019, 10 a.m. | 39.6 ppb (37) | 22.1 ppb (20) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | N/A | 37.0 | |
| July 17, 2019, 9 a.m. | 22.8 ppb (21) | 8.2 ppb (8) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 21.0 | |
| July 17, 2019, 8 a.m. | 15.2 ppb (14) | 4.8 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 14.0 | |
| July 17, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 3.0 | |
| July 17, 2019, 6 a.m. | 8.3 ppb (8) | 1.7 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 8.0 | |
| July 17, 2019, 5 a.m. | 10.4 ppb (10) | 2.5 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| July 17, 2019, 4 a.m. | 6.1 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 6.0 | |
| July 17, 2019, 3 a.m. | 10.0 ppb (9) | 1.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 9.0 | |
| July 17, 2019, 2 a.m. | 12.6 ppb (12) | 2.2 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 12.0 | |
| July 17, 2019, 1 a.m. | 11.3 ppb (10) | 1.9 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 10.0 | |
| July 17, 2019, midnight | 12.8 ppb (12) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 12.0 | |
| July 16, 2019, 11 p.m. | 16.7 ppb (15) | 4.1 ppb (4) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 15.0 | |
| July 16, 2019, 10 p.m. | 16.3 ppb (15) | 4.2 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 15.0 | |
| July 16, 2019, 9 p.m. | 14.0 ppb (13) | 3.9 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 13.0 | |
| July 16, 2019, 8 p.m. | 17.4 ppb (16) | 6.5 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 16.0 | |
| July 16, 2019, 7 p.m. | 20.7 ppb (19) | 8.5 ppb (8) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 19.0 | |
| July 16, 2019, 6 p.m. | 18.1 ppb (17) | 6.6 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 17.0 | |
| July 16, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 5.0 | |
| July 16, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 5.0 | |
| July 16, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 4.0 | |
| July 16, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 5.0 | |
| July 16, 2019, 1 p.m. | 18.3 ppb (17) | 3.9 ppb (4) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 17.0 | |
| July 16, 2019, noon | 14.1 ppb (13) | 4.5 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 13.0 | |
| July 16, 2019, 11 a.m. | 10.3 ppb (10) | 3.5 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 10.0 | |
| July 16, 2019, 10 a.m. | 6.4 ppb (6) | 1.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 6.0 | |
| July 16, 2019, 9 a.m. | 6.5 ppb (6) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 6.0 | |
| July 16, 2019, 8 a.m. | 8.0 ppb (7) | 1.1 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 7.0 | |
| July 16, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 3.0 | |
| July 16, 2019, 6 a.m. | 9.6 ppb (9) | 1.2 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 9.0 | |
| July 16, 2019, 5 a.m. | 10.3 ppb (10) | 1.4 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| July 16, 2019, 4 a.m. | 5.3 ppb (5) | 0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 5.0 | |
| July 16, 2019, 3 a.m. | 3.4 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 3.0 | |
| July 16, 2019, 2 a.m. | 4.0 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 4.0 | |
| July 16, 2019, 1 a.m. | 4.0 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 4.0 | |
| July 16, 2019, midnight | 7.1 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 7.0 | |
| July 15, 2019, 11 p.m. | 13.1 ppb (12) | 2.3 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 12.0 | |
| July 15, 2019, 10 p.m. | 20.1 ppb (19) | 4.6 ppb (4) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 19.0 | |
| July 15, 2019, 9 p.m. | 10.5 ppb (10) | 1.8 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 10.0 | |
| July 15, 2019, 8 p.m. | 4.5 ppb (4) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 4.0 | |
| July 15, 2019, 7 p.m. | 12.8 ppb (12) | 3.6 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 12.0 | |
| July 15, 2019, 6 p.m. | 15.3 ppb (14) | 5.9 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 14.0 | |
| July 15, 2019, 5 p.m. | 14.3 ppb (13) | 6.3 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 13.0 | |
| July 15, 2019, 4 p.m. | 9.7 ppb (9) | 4.0 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 9.0 | |
| July 15, 2019, 3 p.m. | 13.8 ppb (13) | 5.0 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 13.0 | |
| July 15, 2019, 2 p.m. | 11.3 ppb (10) | 4.5 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 10.0 | |
| July 15, 2019, 1 p.m. | 14.1 ppb (13) | 5.4 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 13.0 | |
| July 15, 2019, noon | 10.0 ppb (9) | 4.7 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 9.0 | |
| July 15, 2019, 11 a.m. | 8.6 ppb (8) | 1.7 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 8.0 | |
| July 15, 2019, 10 a.m. | 9.2 ppb (9) | 0.9 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 9.0 | |
| July 15, 2019, 9 a.m. | 14.7 ppb (14) | 2.3 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 14.0 | |
| July 15, 2019, 8 a.m. | 15.3 ppb (14) | 1.2 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 14.0 | |
| July 15, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 5.0 | |
| July 15, 2019, 6 a.m. | 13.9 ppb (13) | 0.9 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 13.0 | |
| July 15, 2019, 5 a.m. | 14.5 ppb (13) | 0.6 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| July 15, 2019, 4 a.m. | 13.3 ppb (12) | 0.6 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 12.0 | |
| July 15, 2019, 3 a.m. | 8.2 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 8.0 | |
| July 15, 2019, 2 a.m. | 14.5 ppb (13) | 0.4 ppb (0) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 13.0 | |
| July 15, 2019, 1 a.m. | 5.9 ppb (5) | 0.3 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 6.0 | |
| July 15, 2019, midnight | 1.5 ppb (1) | 0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 2.0 | |
| July 14, 2019, 10 p.m. | 5.4 ppb (5) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 5.0 | |
| July 14, 2019, 9 p.m. | 6.1 ppb (6) | 1.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 6.0 | |
| July 14, 2019, 8 p.m. | 5.4 ppb (5) | 1.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 5.0 | |
| July 14, 2019, 7 p.m. | 5.4 ppb (5) | 1.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 5.0 | |
| July 14, 2019, 6 p.m. | 6.7 ppb (6) | 2.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 6.0 | |
| July 14, 2019, 5 p.m. | 4.6 ppb (4) | 1.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 4.0 | |
| July 14, 2019, 4 p.m. | 8.0 ppb (7) | 2.9 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 7.0 | |
| July 14, 2019, 3 p.m. | 7.4 ppb (7) | 2.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 7.0 | |
| July 14, 2019, 2 p.m. | 6.8 ppb (6) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 6.0 | |
| July 14, 2019, 1 p.m. | 7.2 ppb (7) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 7.0 | |
| July 14, 2019, noon | 9.0 ppb (8) | 4.3 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 8.0 | |
| July 14, 2019, 11 a.m. | 13.3 ppb (12) | 8.1 ppb (8) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 12.0 | |
| July 14, 2019, 10 a.m. | 10.8 ppb (10) | 6.0 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 10.0 | |
| July 14, 2019, 9 a.m. | 6.2 ppb (6) | 2.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 6.0 | |
| July 14, 2019, 8 a.m. | 6.4 ppb (6) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 6.0 | |
| July 14, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 2.0 | |
| July 14, 2019, 6 a.m. | 5.2 ppb (5) | 1.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 5.0 | |
| July 14, 2019, 5 a.m. | 6.7 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| July 14, 2019, 4 a.m. | 7.2 ppb (7) | 2.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 7.0 | |
| July 14, 2019, 3 a.m. | 8.6 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 8.0 | |
| July 14, 2019, 2 a.m. | 7.0 ppb (6) | 2.7 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 6.0 | |
| July 14, 2019, 1 a.m. | 8.6 ppb (8) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 8.0 | |
| July 14, 2019, midnight | 10.9 ppb (10) | 2.2 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 10.0 | |
| July 13, 2019, 11 p.m. | 14.7 ppb (14) | 4.0 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 14.0 | |
| July 13, 2019, 10 p.m. | 11.3 ppb (10) | 3.8 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 10.0 | |
| July 13, 2019, 9 p.m. | 2.8 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 3.0 | |
| July 13, 2019, 8 p.m. | 9.1 ppb (8) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 8.0 | |
| July 13, 2019, 7 p.m. | 7.5 ppb (7) | 2.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 7.0 | |
| July 13, 2019, 6 p.m. | 7.4 ppb (7) | 2.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 7.0 | |
| July 13, 2019, 5 p.m. | 6.6 ppb (6) | 2.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 6.0 | |
| July 13, 2019, 4 p.m. | 4.7 ppb (4) | 1.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 4.0 | |
| July 13, 2019, 3 p.m. | 12.0 ppb (11) | 4.1 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 11.0 | |
| July 13, 2019, 2 p.m. | 13.8 ppb (13) | 5.2 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 13.0 | |
| July 13, 2019, 1 p.m. | 11.6 ppb (11) | 4.5 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 11.0 | |
| July 13, 2019, noon | 19.5 ppb (18) | 10.2 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 18.0 | |
| July 13, 2019, 11 a.m. | 20.1 ppb (19) | 11.7 ppb (11) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 19.0 | |
| July 13, 2019, 10 a.m. | 23.1 ppb (21) | 13.4 ppb (12) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 21.0 | |
| July 13, 2019, 9 a.m. | 13.8 ppb (13) | 6.1 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 13.0 | |
| July 13, 2019, 8 a.m. | 5.7 ppb (5) | 1.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 5.0 | |
| July 13, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 3.0 | |
| July 13, 2019, 6 a.m. | 7.0 ppb (6) | 1.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 6.0 | |
| July 13, 2019, 5 a.m. | 9.8 ppb (9) | 2.6 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| July 13, 2019, 4 a.m. | 11.4 ppb (11) | 3.3 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 11.0 | |
| July 13, 2019, 3 a.m. | 12.4 ppb (11) | 3.5 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 11.0 | |
| July 13, 2019, 2 a.m. | 11.4 ppb (11) | 4.2 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 11.0 | |
| July 13, 2019, 1 a.m. | 13.7 ppb (13) | 4.5 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 13.0 | |
| July 13, 2019, midnight | 15.2 ppb (14) | 6.2 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 14.0 | |
| July 12, 2019, 11 p.m. | 13.8 ppb (13) | 5.3 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 13.0 | |
| July 12, 2019, 10 p.m. | 17.7 ppb (16) | 6.5 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 16.0 | |
| July 12, 2019, 9 p.m. | 18.6 ppb (17) | 7.5 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 17.0 | |
| July 12, 2019, 8 p.m. | 18.1 ppb (17) | 7.5 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 17.0 | |
| July 12, 2019, 7 p.m. | 22.3 ppb (21) | 10.1 ppb (9) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 21.0 | |
| July 12, 2019, 6 p.m. | 18.2 ppb (17) | 8.0 ppb (7) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 17.0 | |
| July 12, 2019, 5 p.m. | 19.2 ppb (18) | 9.0 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 18.0 | |
| July 12, 2019, 4 p.m. | 20.3 ppb (19) | 11.0 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 19.0 | |
| July 12, 2019, 3 p.m. | 20.8 ppb (19) | 11.5 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 19.0 | |
| July 12, 2019, 2 p.m. | 25.7 ppb (24) | 15.2 ppb (14) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| July 12, 2019, 1 p.m. | 25.9 ppb (24) | 16.2 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 24.0 | |
| July 12, 2019, noon | 30.4 ppb (28) | 17.7 ppb (16) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 28.0 | |
| July 12, 2019, 11 a.m. | 35.6 ppb (33) | 21.3 ppb (20) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 33.0 | |
| July 12, 2019, 10 a.m. | 36.5 ppb (34) | 20.2 ppb (19) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 34.0 | |
| July 12, 2019, 9 a.m. | 22.0 ppb (20) | 10.7 ppb (10) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 20.0 | |
| July 12, 2019, 8 a.m. | 9.9 ppb (9) | 3.4 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 9.0 | |
| July 12, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 2.0 | |
| July 12, 2019, 6 a.m. | 5.4 ppb (5) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | N/A | 5.0 | |
| July 12, 2019, 5 a.m. | 9.4 ppb (9) | 4.3 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| July 12, 2019, 4 a.m. | 9.4 ppb (9) | 3.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 9.0 | |
| July 12, 2019, 3 a.m. | 11.9 ppb (11) | 4.0 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 11.0 | |
| July 12, 2019, 2 a.m. | 13.7 ppb (13) | 5.1 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 13.0 | |
| July 12, 2019, 1 a.m. | 16.8 ppb (16) | 6.1 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 16.0 | |
| July 12, 2019, midnight | 18.4 ppb (17) | 6.2 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 17.0 | |
| July 11, 2019, 11 p.m. | 17.8 ppb (16) | 6.4 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 16.0 | |
| July 11, 2019, 10 p.m. | 14.6 ppb (14) | 6.5 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 14.0 | |
| July 11, 2019, 9 p.m. | 17.3 ppb (16) | 9.2 ppb (9) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 16.0 | |
| July 11, 2019, 8 p.m. | 14.9 ppb (14) | 6.8 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 14.0 | |
| July 11, 2019, 7 p.m. | 18.3 ppb (17) | 9.2 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 17.0 | |
| July 11, 2019, 6 p.m. | 19.8 ppb (18) | 9.7 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 18.0 | |
| July 11, 2019, 5 p.m. | 17.9 ppb (17) | 8.8 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 17.0 | |
| July 11, 2019, 4 p.m. | 17.6 ppb (16) | 8.8 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 16.0 | |
| July 11, 2019, 3 p.m. | 24.2 ppb (22) | 14.0 ppb (13) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 22.0 | |
| July 11, 2019, 2 p.m. | 20.8 ppb (19) | 10.9 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 19.0 | |
| July 11, 2019, 1 p.m. | 25.4 ppb (24) | 14.6 ppb (14) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 24.0 | |
| July 11, 2019, noon | 23.6 ppb (22) | 13.6 ppb (13) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 22.0 | |
| July 11, 2019, 11 a.m. | 25.6 ppb (24) | 14.5 ppb (13) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 24.0 | |
| July 11, 2019, 10 a.m. | 27.1 ppb (25) | 15.2 ppb (14) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 25.0 | |
| July 11, 2019, 9 a.m. | 13.4 ppb (12) | 6.0 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 12.0 | |
| July 11, 2019, 8 a.m. | 9.6 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 9.0 | |
| July 11, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 2.0 | |
| July 11, 2019, 6 a.m. | 4.8 ppb (4) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.12 ppb (1) | N/A | N/A | 4.0 | |
| July 11, 2019, 5 a.m. | 10.6 ppb (10) | 2.8 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| July 11, 2019, 4 a.m. | 9.1 ppb (8) | 2.6 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 8.0 | |
| July 11, 2019, 3 a.m. | 11.2 ppb (10) | 3.6 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 10.0 | |
| July 11, 2019, 2 a.m. | 17.1 ppb (16) | 6.8 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 16.0 | |
| July 11, 2019, 1 a.m. | 13.5 ppb (12) | 3.5 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 12.0 | |
| July 11, 2019, midnight | 13.2 ppb (12) | 3.4 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 12.0 | |
| July 10, 2019, 11 p.m. | 14.1 ppb (13) | 4.2 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 13.0 | |
| July 10, 2019, 10 p.m. | 11.5 ppb (11) | 2.7 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 11.0 | |
| July 10, 2019, 9 p.m. | 11.1 ppb (10) | 2.9 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 10.0 | |
| July 10, 2019, 8 p.m. | 7.0 ppb (6) | 2.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 6.0 | |
| July 10, 2019, 7 p.m. | 14.2 ppb (13) | 5.2 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 13.0 | |
| July 10, 2019, 6 p.m. | 17.6 ppb (16) | 6.0 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 16.0 |