Detroit MI, US: 42.38599, -83.266319
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 22, 2019, 7 p.m. | 14.5 ppb (13) | 8.0 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 | |
| July 22, 2019, 6 p.m. | 15.8 ppb (15) | 8.7 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 | |
| July 22, 2019, 5 p.m. | 19.1 ppb (18) | 10.9 ppb (10) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.0 | |
| July 22, 2019, 4 p.m. | 21.4 ppb (20) | 12.4 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 20.0 | |
| July 22, 2019, 3 p.m. | 23.6 ppb (22) | 14.6 ppb (14) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 22.0 | |
| July 22, 2019, 2 p.m. | 29.1 ppb (27) | 18.9 ppb (18) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 27.0 | |
| July 22, 2019, 1 p.m. | 34.9 ppb (32) | 22.2 ppb (21) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 32.0 | |
| July 22, 2019, noon | 37.2 ppb (34) | 24.5 ppb (23) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 34.0 | |
| July 22, 2019, 11 a.m. | 35.1 ppb (32) | 23.2 ppb (21) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 32.0 | |
| July 22, 2019, 10 a.m. | 30.1 ppb (28) | 18.1 ppb (17) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 28.0 | |
| July 22, 2019, 9 a.m. | 20.9 ppb (19) | 10.6 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 19.0 | |
| July 22, 2019, 8 a.m. | 14.9 ppb (14) | 5.6 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 14.0 | |
| July 22, 2019, 7 a.m. | 23.8 ppb (22) | 4.0 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 22.0 | |
| July 22, 2019, 6 a.m. | 22.6 ppb (21) | 3.5 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 21.0 | |
| July 22, 2019, 5 a.m. | 19.9 ppb (18) | 3.8 ppb (4) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 18.0 | |
| July 22, 2019, 4 a.m. | 15.9 ppb (15) | 3.8 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 15.0 | |
| July 22, 2019, 3 a.m. | 14.5 ppb (13) | 3.1 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 | |
| July 22, 2019, 2 a.m. | 14.9 ppb (14) | 2.8 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 14.0 | |
| July 22, 2019, 1 a.m. | 14.0 ppb (13) | 3.0 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 13.0 | |
| July 22, 2019, midnight | 11.1 ppb (10) | 2.7 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 | |
| July 21, 2019, 11 p.m. | 7.7 ppb (7) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 | |
| July 21, 2019, 10 p.m. | 6.2 ppb (6) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 | |
| July 21, 2019, 9 p.m. | 6.6 ppb (6) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 6.0 | |
| July 21, 2019, 8 p.m. | 8.2 ppb (8) | 2.5 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 8.0 | |
| July 21, 2019, 7 p.m. | 9.4 ppb (9) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 9.0 | |
| July 21, 2019, 6 p.m. | 9.5 ppb (9) | 3.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 9.0 | |
| July 21, 2019, 5 p.m. | 13.6 ppb (13) | 5.7 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 13.0 | |
| July 21, 2019, 4 p.m. | 14.4 ppb (13) | 6.3 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 13.0 | |
| July 21, 2019, 3 p.m. | 9.4 ppb (9) | 3.9 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 9.0 | |
| July 21, 2019, 2 p.m. | 13.5 ppb (12) | 6.2 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 12.0 | |
| July 21, 2019, 1 p.m. | 17.6 ppb (16) | 8.1 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 16.0 | |
| July 21, 2019, noon | 14.5 ppb (13) | 6.3 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 13.0 | |
| July 21, 2019, 11 a.m. | 9.4 ppb (9) | 3.3 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 9.0 | |
| July 21, 2019, 10 a.m. | 6.1 ppb (6) | 1.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 6.0 | |
| July 21, 2019, 9 a.m. | 5.9 ppb (5) | 1.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 5.0 | |
| July 21, 2019, 8 a.m. | 6.1 ppb (6) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 | |
| July 21, 2019, 7 a.m. | 7.1 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 | |
| July 21, 2019, 6 a.m. | 6.2 ppb (6) | 1.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 | |
| July 21, 2019, 5 a.m. | 8.7 ppb (8) | 1.8 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 8.0 | |
| July 21, 2019, 4 a.m. | 16.0 ppb (15) | 4.8 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 15.0 | |
| July 21, 2019, 3 a.m. | 20.0 ppb (19) | 7.5 ppb (7) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 19.0 | |
| July 21, 2019, 2 a.m. | 22.0 ppb (20) | 9.1 ppb (8) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 20.0 | |
| July 21, 2019, 1 a.m. | 19.5 ppb (18) | 8.1 ppb (8) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 18.0 | |
| July 21, 2019, midnight | 12.2 ppb (11) | 4.9 ppb (5) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 11.0 | |
| July 20, 2019, 11 p.m. | 9.3 ppb (9) | 3.5 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 9.0 | |
| July 20, 2019, 10 p.m. | 11.2 ppb (10) | 4.4 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 10.0 | |
| July 20, 2019, 9 p.m. | 14.3 ppb (13) | 5.9 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 13.0 | |
| July 20, 2019, 8 p.m. | 16.7 ppb (15) | 6.9 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 15.0 | |
| July 20, 2019, 7 p.m. | 19.3 ppb (18) | 8.4 ppb (8) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 18.0 | |
| July 20, 2019, 6 p.m. | 21.8 ppb (20) | 9.9 ppb (9) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 20.0 | |
| July 20, 2019, 5 p.m. | 23.7 ppb (22) | 11.7 ppb (11) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 22.0 | |
| July 20, 2019, 4 p.m. | 31.7 ppb (29) | 16.9 ppb (16) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 29.0 | |
| July 20, 2019, 3 p.m. | 47.0 ppb (44) | 26.2 ppb (24) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 44.0 | |
| July 20, 2019, 2 p.m. | 49.6 ppb (46) | 27.0 ppb (25) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 46.0 | |
| July 20, 2019, 1 p.m. | 43.7 ppb (40) | 22.0 ppb (20) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 40.0 | |
| July 20, 2019, noon | 43.9 ppb (41) | 21.6 ppb (20) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 41.0 | |
| July 20, 2019, 11 a.m. | 36.5 ppb (34) | 18.3 ppb (17) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 34.0 | |
| July 20, 2019, 10 a.m. | 15.8 ppb (15) | 7.1 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 | |
| July 20, 2019, 9 a.m. | 9.4 ppb (9) | 2.9 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 9.0 | |
| July 20, 2019, 8 a.m. | 15.2 ppb (14) | 5.5 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 14.0 | |
| July 20, 2019, 7 a.m. | 31.3 ppb (29) | 19.9 ppb (18) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 29.0 | |
| July 20, 2019, 6 a.m. | 25.8 ppb (24) | 13.3 ppb (12) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 24.0 | |
| July 20, 2019, 5 a.m. | 26.6 ppb (25) | 12.3 ppb (11) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| July 20, 2019, 4 a.m. | 38.7 ppb (36) | 21.9 ppb (20) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 36.0 | |
| July 20, 2019, 3 a.m. | 35.0 ppb (32) | 19.4 ppb (18) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 32.0 | |
| July 20, 2019, 2 a.m. | 17.7 ppb (16) | 7.4 ppb (7) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 16.0 | |
| July 20, 2019, 1 a.m. | 14.3 ppb (13) | 5.2 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 13.0 | |
| July 20, 2019, midnight | 24.8 ppb (23) | 10.2 ppb (9) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 23.0 | |
| July 19, 2019, 11 p.m. | 32.5 ppb (30) | 14.8 ppb (14) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 30.0 | |
| July 19, 2019, 10 p.m. | 38.3 ppb (35) | 18.5 ppb (17) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 35.0 | |
| July 19, 2019, 9 p.m. | 40.5 ppb (38) | 19.7 ppb (18) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 38.0 | |
| July 19, 2019, 8 p.m. | 46.7 ppb (43) | 24.7 ppb (23) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 43.0 | |
| July 19, 2019, 7 p.m. | 48.0 ppb (44) | 25.3 ppb (23) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 44.0 | |
| July 19, 2019, 6 p.m. | 41.7 ppb (39) | 21.1 ppb (20) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 39.0 | |
| July 19, 2019, 5 p.m. | 45.3 ppb (42) | 24.2 ppb (22) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 42.0 | |
| July 19, 2019, 4 p.m. | 45.5 ppb (42) | 25.9 ppb (24) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 42.0 | |
| July 19, 2019, 3 p.m. | 47.5 ppb (44) | 29.2 ppb (27) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 44.0 | |
| July 19, 2019, 2 p.m. | 49.6 ppb (46) | 31.6 ppb (29) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 46.0 | |
| July 19, 2019, 1 p.m. | 55.6 ppb (52) | 37.6 ppb (35) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 52.0 | |
| July 19, 2019, noon | 64.7 ppb (61) | 46.0 ppb (43) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 61.0 | |
| July 19, 2019, 11 a.m. | 61.5 ppb (58) | 43.7 ppb (40) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 58.0 | |
| July 19, 2019, 10 a.m. | 46.5 ppb (43) | 31.2 ppb (29) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 43.0 | |
| July 19, 2019, 9 a.m. | 28.9 ppb (27) | 17.1 ppb (16) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 27.0 | |
| July 19, 2019, 8 a.m. | 17.9 ppb (17) | 8.3 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 17.0 | |
| July 19, 2019, 7 a.m. | 18.1 ppb (17) | 4.8 ppb (4) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 | |
| July 19, 2019, 6 a.m. | 19.3 ppb (18) | 5.4 ppb (5) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.0 | |
| July 19, 2019, 5 a.m. | 19.4 ppb (18) | 6.1 ppb (6) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 18.0 | |
| July 19, 2019, 4 a.m. | 21.8 ppb (20) | 7.1 ppb (7) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 20.0 | |
| July 19, 2019, 3 a.m. | 25.7 ppb (24) | 9.7 ppb (9) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 24.0 | |
| July 19, 2019, 2 a.m. | 26.5 ppb (25) | 10.9 ppb (10) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 25.0 | |
| July 19, 2019, 1 a.m. | 27.2 ppb (25) | 10.6 ppb (10) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 25.0 | |
| July 19, 2019, midnight | 32.5 ppb (30) | 13.0 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 30.0 | |
| July 18, 2019, 11 p.m. | 37.7 ppb (35) | 15.9 ppb (15) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 35.0 | |
| July 18, 2019, 10 p.m. | 41.8 ppb (39) | 19.4 ppb (18) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 39.0 | |
| July 18, 2019, 9 p.m. | 40.8 ppb (38) | 19.7 ppb (18) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 38.0 | |
| July 18, 2019, 8 p.m. | 38.5 ppb (36) | 18.6 ppb (17) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 36.0 | |
| July 18, 2019, 7 p.m. | 43.0 ppb (40) | 21.4 ppb (20) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 40.0 | |
| July 18, 2019, 6 p.m. | 46.5 ppb (43) | 22.6 ppb (21) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 43.0 | |
| July 18, 2019, 5 p.m. | 47.3 ppb (44) | 22.4 ppb (21) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 44.0 | |
| July 18, 2019, 4 p.m. | 58.1 ppb (54) | 30.2 ppb (28) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 54.0 | |
| July 18, 2019, 3 p.m. | 76.8 ppb (74) | 45.4 ppb (42) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 74.0 | |
| July 18, 2019, 2 p.m. | 85.7 ppb (84) | 55.6 ppb (52) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 84.0 | |
| July 18, 2019, 1 p.m. | 89.7 ppb (88) | 64.5 ppb (61) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 88.0 | |
| July 18, 2019, noon | 69.5 ppb (66) | 52.4 ppb (49) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 66.0 | |
| July 18, 2019, 11 a.m. | 36.1 ppb (33) | 25.8 ppb (24) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 33.0 | |
| July 18, 2019, 10 a.m. | 21.3 ppb (20) | 12.8 ppb (12) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 20.0 | |
| July 18, 2019, 9 a.m. | 14.8 ppb (14) | 6.6 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.0 | |
| July 18, 2019, 8 a.m. | 11.9 ppb (11) | 3.9 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 11.0 | |
| July 18, 2019, 7 a.m. | 19.2 ppb (18) | 7.4 ppb (7) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 18.0 | |
| July 18, 2019, 6 a.m. | 16.5 ppb (15) | 5.3 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 | |
| July 18, 2019, 5 a.m. | 13.4 ppb (12) | 2.2 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.0 | |
| July 18, 2019, 4 a.m. | 12.2 ppb (11) | 1.3 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 | |
| July 18, 2019, 3 a.m. | 19.5 ppb (18) | 5.4 ppb (5) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 18.0 | |
| July 18, 2019, 2 a.m. | 19.0 ppb (18) | 6.1 ppb (6) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 18.0 | |
| July 18, 2019, 1 a.m. | 12.1 ppb (11) | 3.9 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 11.0 | |
| July 18, 2019, midnight | 10.1 ppb (9) | 3.5 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 9.0 | |
| July 17, 2019, 11 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 7.0 | |
| July 17, 2019, 10 p.m. | 10.3 ppb (10) | 4.6 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 10.0 | |
| July 17, 2019, 9 p.m. | 12.0 ppb (11) | 5.8 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 11.0 | |
| July 17, 2019, 8 p.m. | 12.9 ppb (12) | 6.0 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 12.0 | |
| July 17, 2019, 7 p.m. | 13.1 ppb (12) | 6.1 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 12.0 | |
| July 17, 2019, 6 p.m. | 16.2 ppb (15) | 7.8 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 15.0 | |
| July 17, 2019, 5 p.m. | 21.4 ppb (20) | 10.7 ppb (10) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 20.0 | |
| July 17, 2019, 4 p.m. | 23.9 ppb (22) | 12.8 ppb (12) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 22.0 | |
| July 17, 2019, 3 p.m. | 23.5 ppb (22) | 13.7 ppb (13) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 22.0 | |
| July 17, 2019, 2 p.m. | 24.0 ppb (22) | 15.4 ppb (14) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 22.0 | |
| July 17, 2019, 1 p.m. | 39.1 ppb (36) | 29.1 ppb (27) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 36.0 | |
| July 17, 2019, noon | 48.6 ppb (45) | 37.3 ppb (35) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 45.0 | |
| July 17, 2019, 11 a.m. | 46.6 ppb (43) | 35.1 ppb (32) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 43.0 | |
| July 17, 2019, 10 a.m. | 49.6 ppb (46) | 37.2 ppb (34) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 46.0 | |
| July 17, 2019, 9 a.m. | 37.8 ppb (35) | 26.2 ppb (24) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 35.0 | |
| July 17, 2019, 8 a.m. | 21.4 ppb (20) | 11.4 ppb (11) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 20.0 | |
| July 17, 2019, 7 a.m. | 24.6 ppb (23) | 12.2 ppb (11) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 23.0 | |
| July 17, 2019, 6 a.m. | 24.0 ppb (22) | 11.3 ppb (10) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 22.0 | |
| July 17, 2019, 5 a.m. | 27.9 ppb (26) | 12.1 ppb (11) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 26.0 | |
| July 17, 2019, 4 a.m. | 33.7 ppb (31) | 15.2 ppb (14) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 31.0 | |
| July 17, 2019, 3 a.m. | 31.4 ppb (29) | 14.6 ppb (14) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 29.0 | |
| July 17, 2019, 2 a.m. | 28.0 ppb (26) | 12.7 ppb (12) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 26.0 | |
| July 17, 2019, 1 a.m. | 28.9 ppb (27) | 13.9 ppb (13) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 27.0 | |
| July 17, 2019, midnight | 25.1 ppb (23) | 12.6 ppb (12) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 23.0 | |
| July 16, 2019, 11 p.m. | 27.7 ppb (26) | 14.0 ppb (13) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 26.0 | |
| July 16, 2019, 10 p.m. | 42.5 ppb (39) | 23.2 ppb (21) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 39.0 | |
| July 16, 2019, 9 p.m. | 56.8 ppb (53) | 33.4 ppb (31) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 53.0 | |
| July 16, 2019, 8 p.m. | 60.1 ppb (56) | 37.3 ppb (35) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 56.0 | |
| July 16, 2019, 7 p.m. | 60.4 ppb (57) | 39.6 ppb (37) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 57.0 | |
| July 16, 2019, 6 p.m. | 62.0 ppb (59) | 42.5 ppb (39) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 59.0 | |
| July 16, 2019, 5 p.m. | 64.9 ppb (62) | 46.3 ppb (43) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 62.0 | |
| July 16, 2019, 4 p.m. | 75.2 ppb (73) | 53.4 ppb (49) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 73.0 | |
| July 16, 2019, 3 p.m. | 87.5 ppb (86) | 62.9 ppb (59) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 86.0 | |
| July 16, 2019, 2 p.m. | 84.8 ppb (83) | 58.6 ppb (55) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 83.0 | |
| July 16, 2019, 1 p.m. | 82.1 ppb (80) | 56.5 ppb (53) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 80.0 | |
| July 16, 2019, noon | 92.4 ppb (91) | 70.4 ppb (67) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 91.0 | |
| July 16, 2019, 11 a.m. | 93.6 ppb (92) | 74.0 ppb (71) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 92.0 | |
| July 16, 2019, 10 a.m. | 74.6 ppb (72) | 56.8 ppb (53) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 72.0 | |
| July 16, 2019, 9 a.m. | 45.4 ppb (42) | 30.5 ppb (28) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 42.0 | |
| July 16, 2019, 8 a.m. | 29.7 ppb (28) | 16.7 ppb (15) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 28.0 | |
| July 16, 2019, 7 a.m. | 36.5 ppb (34) | 17.8 ppb (16) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 34.0 | |
| July 16, 2019, 6 a.m. | 31.3 ppb (29) | 13.6 ppb (13) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 29.0 | |
| July 16, 2019, 5 a.m. | 24.7 ppb (23) | 7.4 ppb (7) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 23.0 | |
| July 16, 2019, 4 a.m. | 24.8 ppb (23) | 6.9 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 23.0 | |
| July 16, 2019, 3 a.m. | 31.0 ppb (29) | 11.8 ppb (11) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 29.0 | |
| July 16, 2019, 2 a.m. | 35.0 ppb (32) | 14.1 ppb (13) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 32.0 | |
| July 16, 2019, 1 a.m. | 25.5 ppb (24) | 9.1 ppb (8) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 24.0 | |
| July 16, 2019, midnight | 21.7 ppb (20) | 6.5 ppb (6) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 20.0 | |
| July 15, 2019, 11 p.m. | 36.3 ppb (34) | 12.3 ppb (11) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 34.0 | |
| July 15, 2019, 10 p.m. | 44.4 ppb (41) | 15.5 ppb (14) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 41.0 | |
| July 15, 2019, 9 p.m. | 45.6 ppb (42) | 15.3 ppb (14) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 42.0 | |
| July 15, 2019, 8 p.m. | 50.8 ppb (47) | 17.1 ppb (16) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 47.0 |