Bridgeton (Natural Bridge Jct) MO, US: 38.75264, -90.44884
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 10, 2020, 9 p.m. | 2.1 ppb (2) | 0.8 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| July 10, 2020, 8 p.m. | 1.6 ppb (1) | 0.7 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 1.0 | |
| July 10, 2020, 7 p.m. | 2.7 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 10, 2020, 6 p.m. | 1.9 ppb (2) | 0.8 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| July 10, 2020, 5 p.m. | 1.3 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| July 10, 2020, 4 p.m. | 3.7 ppb (3) | 1.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 10, 2020, 3 p.m. | 2.7 ppb (3) | 1.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 10, 2020, 2 p.m. | 2.5 ppb (2) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 2.0 | |
| July 10, 2020, 1 p.m. | 3.7 ppb (3) | 1.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| July 10, 2020, noon | 4.6 ppb (4) | 1.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 10, 2020, 11 a.m. | 4.9 ppb (5) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| July 10, 2020, 10 a.m. | 4.0 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 10, 2020, 9 a.m. | 2.7 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 10, 2020, 8 a.m. | 2.6 ppb (2) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| July 10, 2020, 7 a.m. | 2.8 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 10, 2020, 6 a.m. | 3.0 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 10, 2020, 5 a.m. | 6.1 ppb (6) | 1.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 10, 2020, 4 a.m. | 9.2 ppb (9) | 4.1 ppb (4) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| July 10, 2020, 3 a.m. | 8.5 ppb (8) | 3.7 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| July 10, 2020, 2 a.m. | 8.4 ppb (8) | 3.6 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| July 10, 2020, 1 a.m. | 9.3 ppb (9) | 4.0 ppb (4) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| July 10, 2020, midnight | 9.0 ppb (8) | 4.1 ppb (4) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| July 9, 2020, 11 p.m. | 9.7 ppb (9) | 5.7 ppb (5) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| July 9, 2020, 10 p.m. | 9.8 ppb (9) | 5.8 ppb (5) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| July 9, 2020, 9 p.m. | 9.2 ppb (9) | 4.9 ppb (5) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| July 9, 2020, 8 p.m. | 15.0 ppb (14) | 7.4 ppb (7) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 14.0 | |
| July 9, 2020, 7 p.m. | 17.7 ppb (16) | 8.5 ppb (8) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 16.0 | |
| July 9, 2020, 6 p.m. | 15.4 ppb (14) | 7.7 ppb (7) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 14.0 | |
| July 9, 2020, 5 p.m. | 15.6 ppb (14) | 7.0 ppb (6) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 14.0 | |
| July 9, 2020, 4 p.m. | 16.0 ppb (15) | 7.7 ppb (7) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 15.0 | |
| July 9, 2020, 3 p.m. | 19.6 ppb (18) | 9.7 ppb (9) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 18.0 | |
| July 9, 2020, 2 p.m. | 31.6 ppb (29) | 16.1 ppb (15) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 29.0 | |
| July 9, 2020, 1 p.m. | 30.4 ppb (28) | 14.7 ppb (14) | N/A | 16.0 ppb (15) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 28.0 | |
| July 9, 2020, noon | 31.6 ppb (29) | 17.3 ppb (16) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 29.0 | |
| July 9, 2020, 11 a.m. | 36.9 ppb (34) | 17.5 ppb (16) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 34.0 | |
| July 9, 2020, 10 a.m. | 26.7 ppb (25) | 9.4 ppb (9) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 25.0 | |
| July 9, 2020, 9 a.m. | 16.1 ppb (15) | 2.5 ppb (2) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 15.0 | |
| July 9, 2020, 8 a.m. | 16.2 ppb (15) | 4.5 ppb (4) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 15.0 | |
| July 9, 2020, 7 a.m. | 11.2 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 10.0 | |
| July 9, 2020, 6 a.m. | 14.5 ppb (13) | 3.8 ppb (4) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 13.0 | |
| July 9, 2020, 5 a.m. | 11.9 ppb (11) | 2.7 ppb (3) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 11.0 | |
| July 9, 2020, 4 a.m. | 22.8 ppb (21) | 4.7 ppb (4) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 21.0 | |
| July 9, 2020, 3 a.m. | 27.0 ppb (25) | 5.9 ppb (5) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 25.0 | |
| July 9, 2020, 2 a.m. | 21.0 ppb (19) | 1.9 ppb (2) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 19.0 | |
| July 9, 2020, 1 a.m. | 28.6 ppb (26) | 4.9 ppb (5) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 26.0 | |
| July 9, 2020, midnight | 19.2 ppb (18) | 4.0 ppb (4) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 18.0 | |
| July 8, 2020, 11 p.m. | 19.5 ppb (18) | 5.2 ppb (5) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 18.0 | |
| July 8, 2020, 10 p.m. | 16.5 ppb (15) | 4.9 ppb (5) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 15.0 | |
| July 8, 2020, 9 p.m. | 20.9 ppb (19) | 7.2 ppb (7) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 19.0 | |
| July 8, 2020, 8 p.m. | 18.4 ppb (17) | 4.2 ppb (4) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 17.0 | |
| July 8, 2020, 7 p.m. | 8.4 ppb (8) | 1.4 ppb (1) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| July 8, 2020, 6 p.m. | 25.7 ppb (24) | 7.6 ppb (7) | N/A | 18.0 ppb (17) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 24.0 | |
| July 8, 2020, 5 p.m. | 16.2 ppb (15) | 3.0 ppb (3) | N/A | 13.0 ppb (12) | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 15.0 | |
| July 8, 2020, 4 p.m. | 24.3 ppb (23) | 5.4 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 8, 2020, 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 | |
| July 8, 2020, 2 p.m. | 23.2 ppb (21) | 8.9 ppb (8) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 21.0 | |
| July 8, 2020, 1 p.m. | 28.0 ppb (26) | 13.5 ppb (12) | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 26.0 | |
| July 8, 2020, noon | 38.7 ppb (36) | 20.1 ppb (19) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 36.0 | |
| July 8, 2020, 11 a.m. | 42.9 ppb (40) | 24.7 ppb (23) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 40.0 | |
| July 8, 2020, 10 a.m. | 33.7 ppb (31) | 19.1 ppb (18) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 31.0 | |
| July 8, 2020, 9 a.m. | 13.0 ppb (12) | 5.4 ppb (5) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 12.0 | |
| July 8, 2020, 8 a.m. | 18.5 ppb (17) | 6.9 ppb (6) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 17.0 | |
| July 8, 2020, 7 a.m. | 19.4 ppb (18) | 6.6 ppb (6) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 18.0 | |
| July 8, 2020, 6 a.m. | 31.3 ppb (29) | 8.2 ppb (8) | N/A | 23.0 ppb (21) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 29.0 | |
| July 8, 2020, 5 a.m. | 31.8 ppb (29) | 7.2 ppb (7) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 29.0 | |
| July 8, 2020, 4 a.m. | 26.2 ppb (24) | 4.3 ppb (4) | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 24.0 | |
| July 8, 2020, 3 a.m. | 25.9 ppb (24) | 3.7 ppb (3) | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 24.0 | |
| July 8, 2020, 2 a.m. | 32.8 ppb (30) | 4.6 ppb (4) | N/A | 28.0 ppb (26) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 30.0 | |
| July 8, 2020, 1 a.m. | 30.7 ppb (28) | 4.4 ppb (4) | N/A | 26.0 ppb (24) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 28.0 | |
| July 8, 2020, midnight | 30.3 ppb (28) | 5.8 ppb (5) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 28.0 | |
| July 7, 2020, 11 p.m. | 25.3 ppb (23) | 4.9 ppb (5) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 23.0 | |
| July 7, 2020, 10 p.m. | 7.6 ppb (7) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| July 7, 2020, 9 p.m. | 8.8 ppb (8) | 1.1 ppb (1) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| July 7, 2020, 8 p.m. | 10.2 ppb (9) | 1.7 ppb (2) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| July 7, 2020, 7 p.m. | 18.9 ppb (18) | 4.0 ppb (4) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 18.0 | |
| July 7, 2020, 6 p.m. | 5.7 ppb (5) | 1.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| July 7, 2020, 5 p.m. | 6.0 ppb (6) | 1.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| July 7, 2020, 4 p.m. | 5.2 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| July 7, 2020, 3 p.m. | 12.1 ppb (11) | 2.2 ppb (2) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 11.0 | |
| July 7, 2020, 2 p.m. | 29.2 ppb (27) | 9.0 ppb (8) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 27.0 | |
| July 7, 2020, 1 p.m. | 46.5 ppb (43) | 22.3 ppb (21) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 43.0 | |
| July 7, 2020, noon | 46.7 ppb (43) | 26.1 ppb (24) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 43.0 | |
| July 7, 2020, 11 a.m. | 46.4 ppb (43) | 29.4 ppb (27) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 43.0 | |
| July 7, 2020, 10 a.m. | 35.3 ppb (33) | 15.5 ppb (14) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 33.0 | |
| July 7, 2020, 9 a.m. | 27.3 ppb (25) | 7.9 ppb (7) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 25.0 | |
| July 7, 2020, 8 a.m. | 24.7 ppb (23) | 3.5 ppb (3) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 23.0 | |
| July 7, 2020, 7 a.m. | 23.6 ppb (22) | 2.9 ppb (3) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 22.0 | |
| July 7, 2020, 6 a.m. | 20.8 ppb (19) | 4.1 ppb (4) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 19.0 | |
| July 7, 2020, 5 a.m. | 11.8 ppb (11) | 0.9 ppb (1) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 11.0 | |
| July 7, 2020, 4 a.m. | 21.3 ppb (20) | 1.5 ppb (1) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 20.0 | |
| July 7, 2020, 3 a.m. | 13.3 ppb (12) | 1.1 ppb (1) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 12.0 | |
| July 7, 2020, 2 a.m. | 5.4 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| July 7, 2020, 1 a.m. | 6.3 ppb (6) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 7, 2020, midnight | 9.9 ppb (9) | 1.1 ppb (1) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| July 6, 2020, 11 p.m. | 8.2 ppb (8) | 0.8 ppb (1) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| July 6, 2020, 10 p.m. | 4.2 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 4.0 | |
| July 6, 2020, 9 p.m. | 2.9 ppb (3) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 6, 2020, 8 p.m. | 2.4 ppb (2) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| July 6, 2020, 7 p.m. | 3.4 ppb (3) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 6, 2020, 6 p.m. | 1.9 ppb (2) | 0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 6, 2020, 5 p.m. | 3.0 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 6, 2020, 4 p.m. | 6.0 ppb (6) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| July 6, 2020, 3 p.m. | 20.1 ppb (19) | 4.9 ppb (5) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 19.0 | |
| July 6, 2020, 2 p.m. | 25.8 ppb (24) | 9.1 ppb (8) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 24.0 | |
| July 6, 2020, 1 p.m. | 19.0 ppb (18) | 5.6 ppb (5) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 18.0 | |
| July 6, 2020, noon | 37.8 ppb (35) | 18.7 ppb (17) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 35.0 | |
| July 6, 2020, 11 a.m. | 52.9 ppb (49) | 25.1 ppb (23) | N/A | 28.0 ppb (26) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 49.0 | |
| July 6, 2020, 10 a.m. | 28.2 ppb (26) | 7.1 ppb (7) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 26.0 | |
| July 6, 2020, 9 a.m. | 25.5 ppb (24) | 4.0 ppb (4) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 24.0 | |
| July 6, 2020, 8 a.m. | 12.4 ppb (11) | 1.8 ppb (2) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 11.0 | |
| July 6, 2020, 7 a.m. | 13.2 ppb (12) | 2.2 ppb (2) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 12.0 | |
| July 6, 2020, 6 a.m. | 13.8 ppb (13) | 1.5 ppb (1) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 13.0 | |
| July 6, 2020, 5 a.m. | 10.5 ppb (10) | 0.8 ppb (1) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 10.0 | |
| July 6, 2020, 4 a.m. | 9.6 ppb (9) | 0.7 ppb (1) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| July 6, 2020, 3 a.m. | 6.6 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 6, 2020, 2 a.m. | 7.4 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| July 6, 2020, 1 a.m. | 6.3 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 6, 2020, midnight | 5.2 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| July 5, 2020, 11 p.m. | 5.4 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| July 5, 2020, 10 p.m. | 12.7 ppb (12) | 2.1 ppb (2) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 12.0 | |
| July 5, 2020, 9 p.m. | 3.9 ppb (4) | 1.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 5, 2020, 8 p.m. | 3.7 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 5, 2020, 7 p.m. | 2.8 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 5, 2020, 6 p.m. | 1.1 ppb (1) | 0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| July 5, 2020, 5 p.m. | 1.7 ppb (2) | 0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| July 5, 2020, 4 p.m. | 1.0 ppb (1) | 0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| July 5, 2020, 3 p.m. | 1.6 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 5, 2020, 2 p.m. | 2.1 ppb (2) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 5, 2020, 1 p.m. | 2.8 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 5, 2020, noon | 5.4 ppb (5) | 1.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| July 5, 2020, 11 a.m. | 9.1 ppb (8) | 1.2 ppb (1) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| July 5, 2020, 10 a.m. | 6.7 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 5, 2020, 9 a.m. | 5.4 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| July 5, 2020, 8 a.m. | 7.5 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| July 5, 2020, 7 a.m. | 7.3 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| July 5, 2020, 6 a.m. | 12.0 ppb (11) | 0.7 ppb (1) | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 11.0 | |
| July 5, 2020, 5 a.m. | 12.4 ppb (11) | 0.7 ppb (1) | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 11.0 | |
| July 5, 2020, 4 a.m. | 10.6 ppb (10) | 0.7 ppb (1) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 10.0 | |
| July 5, 2020, 3 a.m. | 6.7 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 5, 2020, 2 a.m. | 4.5 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 5, 2020, 1 a.m. | 1.7 ppb (2) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| July 5, 2020, midnight | 1.5 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| July 4, 2020, 11 p.m. | 1.1 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| July 4, 2020, 10 p.m. | 1.3 ppb (1) | 0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 1.0 | |
| July 4, 2020, 9 p.m. | 1.0 ppb (1) | 0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 4, 2020, 8 p.m. | 1.1 ppb (1) | 0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 4, 2020, 7 p.m. | 4.5 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 4.0 | |
| July 4, 2020, 6 p.m. | 2.8 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 4, 2020, 5 p.m. | 2.1 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 4, 2020, 4 p.m. | 2.4 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| July 4, 2020, 3 p.m. | 4.1 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 4, 2020, 2 p.m. | 4.0 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 4, 2020, 1 p.m. | 4.7 ppb (4) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 4, 2020, noon | 14.4 ppb (13) | 3.6 ppb (3) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 13.0 | |
| July 4, 2020, 11 a.m. | 8.5 ppb (8) | 1.5 ppb (1) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| July 4, 2020, 10 a.m. | 6.8 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 4, 2020, 9 a.m. | 13.0 ppb (12) | 0.7 ppb (1) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 12.0 | |
| July 4, 2020, 8 a.m. | 17.5 ppb (16) | 2.6 ppb (2) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 16.0 | |
| July 4, 2020, 7 a.m. | 11.6 ppb (11) | 1.7 ppb (2) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 11.0 | |
| July 4, 2020, 6 a.m. | 9.0 ppb (8) | 0.8 ppb (1) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| July 4, 2020, 5 a.m. | 8.8 ppb (8) | 0.7 ppb (1) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 8.0 | |
| July 4, 2020, 4 a.m. | 9.2 ppb (9) | 0.7 ppb (1) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| July 4, 2020, 3 a.m. | 7.0 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| July 4, 2020, 2 a.m. | 5.1 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| July 4, 2020, 1 a.m. | 4.5 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 4, 2020, midnight | 4.1 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| July 3, 2020, 11 p.m. | 3.3 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| July 3, 2020, 10 p.m. | 2.8 ppb (3) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 |