Bridgeton MO, US: 38.75264, -90.44884
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 23, 2019, midnight | 5.7 ppb (5) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 22, 2019, 11 p.m. | 10.2 ppb (9) | 3.4 ppb (3) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| Nov. 22, 2019, 10 p.m. | 7.1 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 7.0 | |
| Nov. 22, 2019, 9 p.m. | 7.0 ppb (6) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Nov. 22, 2019, 8 p.m. | 5.2 ppb (5) | 2.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 22, 2019, 7 p.m. | 8.2 ppb (8) | 4.3 ppb (4) | N/A | 4.0 ppb (4) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 8.0 | |
| Nov. 22, 2019, 6 p.m. | 5.2 ppb (5) | 2.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 22, 2019, 5 p.m. | 5.0 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 22, 2019, 4 p.m. | 5.5 ppb (5) | 2.7 ppb (3) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 22, 2019, 3 p.m. | 3.6 ppb (3) | 1.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 22, 2019, 2 p.m. | 4.7 ppb (4) | 1.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 4.0 | |
| Nov. 22, 2019, 1 p.m. | 5.3 ppb (5) | 1.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 22, 2019, noon | 3.5 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 22, 2019, 11 a.m. | 2.9 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 22, 2019, 10 a.m. | 2.1 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 9 a.m. | 2.4 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 8 a.m. | 2.1 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 7 a.m. | 1.9 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 6 a.m. | 1.8 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 5 a.m. | 2.0 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 4 a.m. | 2.4 ppb (2) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 22, 2019, 3 a.m. | 2.2 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 2 a.m. | 2.4 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 2.0 | |
| Nov. 22, 2019, 1 a.m. | 2.9 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 22, 2019, midnight | 3.7 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 21, 2019, 11 p.m. | 4.1 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 4.0 | |
| Nov. 21, 2019, 10 p.m. | 3.4 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 21, 2019, 9 p.m. | 5.2 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 | |
| Nov. 21, 2019, 8 p.m. | 5.0 ppb (5) | 1.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 21, 2019, 7 p.m. | 26.1 ppb (24) | 12.1 ppb (11) | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 24.0 | |
| Nov. 21, 2019, 6 p.m. | 30.0 ppb (28) | 14.7 ppb (14) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 28.0 | |
| Nov. 21, 2019, 5 p.m. | 26.2 ppb (24) | 12.0 ppb (11) | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 24.0 | |
| Nov. 21, 2019, 4 p.m. | 19.7 ppb (18) | 9.5 ppb (9) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 18.0 | |
| Nov. 21, 2019, 3 p.m. | 23.3 ppb (22) | 12.0 ppb (11) | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 22.0 | |
| Nov. 21, 2019, 2 p.m. | 20.7 ppb (19) | 10.6 ppb (10) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 19.0 | |
| Nov. 21, 2019, 1 p.m. | 15.5 ppb (14) | 7.2 ppb (7) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 14.0 | |
| Nov. 21, 2019, noon | 17.7 ppb (16) | 9.0 ppb (8) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 16.0 | |
| Nov. 21, 2019, 11 a.m. | 14.3 ppb (13) | 6.9 ppb (6) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 13.0 | |
| Nov. 21, 2019, 10 a.m. | 6.6 ppb (6) | 2.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 6.0 | |
| Nov. 21, 2019, 9 a.m. | 6.5 ppb (6) | 2.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Nov. 21, 2019, 8 a.m. | 6.4 ppb (6) | 1.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Nov. 21, 2019, 7 a.m. | 8.9 ppb (8) | 2.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| Nov. 21, 2019, 6 a.m. | 9.2 ppb (9) | 2.2 ppb (2) | N/A | 7.0 ppb (6) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 9.0 | |
| Nov. 21, 2019, 5 a.m. | 12.5 ppb (12) | 3.8 ppb (4) | N/A | 9.0 ppb (8) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 12.0 | |
| Nov. 21, 2019, 4 a.m. | 12.6 ppb (12) | 4.6 ppb (4) | N/A | 8.0 ppb (7) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 12.0 | |
| Nov. 21, 2019, 3 a.m. | 11.7 ppb (11) | 4.5 ppb (4) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 11.0 | |
| Nov. 21, 2019, 2 a.m. | 14.4 ppb (13) | 5.8 ppb (5) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 13.0 | |
| Nov. 21, 2019, 1 a.m. | 15.6 ppb (14) | 6.8 ppb (6) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 14.0 | |
| Nov. 21, 2019, midnight | 22.5 ppb (21) | 10.7 ppb (10) | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 21.0 | |
| Nov. 20, 2019, 11 p.m. | 37.4 ppb (35) | 18.3 ppb (17) | N/A | 19.0 ppb (18) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 35.0 | |
| Nov. 20, 2019, 10 p.m. | 37.6 ppb (35) | 19.1 ppb (18) | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 35.0 | |
| Nov. 20, 2019, 9 p.m. | 40.8 ppb (38) | 22.4 ppb (21) | N/A | 18.0 ppb (17) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 38.0 | |
| Nov. 20, 2019, 8 p.m. | 36.4 ppb (34) | 20.6 ppb (19) | N/A | 16.0 ppb (15) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 34.0 | |
| Nov. 20, 2019, 7 p.m. | 29.9 ppb (28) | 16.1 ppb (15) | N/A | 14.0 ppb (13) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 28.0 | |
| Nov. 20, 2019, 6 p.m. | 33.6 ppb (31) | 18.7 ppb (17) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 31.0 | |
| Nov. 20, 2019, 5 p.m. | 31.1 ppb (29) | 18.3 ppb (17) | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 29.0 | |
| Nov. 20, 2019, 4 p.m. | 36.4 ppb (34) | 23.6 ppb (22) | N/A | 13.0 ppb (12) | N/A | 6.0 ppb (9) | N/A | N/A | N/A | N/A | 34.0 | |
| Nov. 20, 2019, 3 p.m. | 39.4 ppb (36) | 26.0 ppb (24) | N/A | 13.0 ppb (12) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 36.0 | |
| Nov. 20, 2019, 2 p.m. | 40.0 ppb (37) | 24.8 ppb (23) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 37.0 | |
| Nov. 20, 2019, 1 p.m. | 46.0 ppb (43) | 28.9 ppb (27) | N/A | 17.0 ppb (16) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 43.0 | |
| Nov. 20, 2019, noon | 50.1 ppb (46) | 29.4 ppb (27) | N/A | 20.0 ppb (19) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 46.0 | |
| Nov. 20, 2019, 11 a.m. | 47.2 ppb (44) | 26.7 ppb (25) | N/A | 20.0 ppb (19) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 44.0 | |
| Nov. 20, 2019, 10 a.m. | 29.3 ppb (27) | 11.9 ppb (11) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 27.0 | |
| Nov. 20, 2019, 9 a.m. | 32.2 ppb (30) | 13.2 ppb (12) | N/A | 19.0 ppb (18) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 30.0 | |
| Nov. 20, 2019, 8 a.m. | 25.2 ppb (23) | 4.4 ppb (4) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 23.0 | |
| Nov. 20, 2019, 7 a.m. | 17.7 ppb (16) | 1.8 ppb (2) | N/A | 16.0 ppb (15) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 16.0 | |
| Nov. 20, 2019, 6 a.m. | 21.2 ppb (20) | 2.5 ppb (2) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 20.0 | |
| Nov. 20, 2019, 5 a.m. | 23.6 ppb (22) | 2.6 ppb (2) | N/A | 21.0 ppb (19) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 22.0 | |
| Nov. 20, 2019, 4 a.m. | 35.3 ppb (33) | 8.3 ppb (8) | N/A | 27.0 ppb (25) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 33.0 | |
| Nov. 20, 2019, 3 a.m. | 78.4 ppb (76) | 45.2 ppb (42) | N/A | 33.0 ppb (31) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 76.0 | |
| Nov. 20, 2019, 2 a.m. | 83.2 ppb (81) | 52.1 ppb (48) | N/A | 31.0 ppb (29) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 81.0 | |
| Nov. 20, 2019, 1 a.m. | 101.7 ppb (100) | 69.3 ppb (66) | N/A | 32.0 ppb (30) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 100.0 | |
| Nov. 20, 2019, midnight | 52.8 ppb (49) | 30.5 ppb (28) | N/A | 22.0 ppb (20) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 49.0 | |
| Nov. 19, 2019, 11 p.m. | 13.6 ppb (13) | 1.3 ppb (1) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 13.0 | |
| Nov. 19, 2019, 10 p.m. | 6.6 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 6.0 | |
| Nov. 19, 2019, 9 p.m. | 4.9 ppb (5) | 1.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 19, 2019, 8 p.m. | 3.3 ppb (3) | 1.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 3.0 | |
| Nov. 19, 2019, 7 p.m. | 4.0 ppb (4) | 1.8 ppb (2) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 4.0 | |
| Nov. 19, 2019, 6 p.m. | 9.6 ppb (9) | 5.5 ppb (5) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| Nov. 19, 2019, 5 p.m. | 7.8 ppb (7) | 4.1 ppb (4) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 7.0 | |
| Nov. 19, 2019, 4 p.m. | 5.2 ppb (5) | 2.6 ppb (2) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 19, 2019, 3 p.m. | 9.7 ppb (9) | 5.0 ppb (5) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| Nov. 19, 2019, 2 p.m. | 8.8 ppb (8) | 4.1 ppb (4) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| Nov. 19, 2019, 1 p.m. | 10.9 ppb (10) | 4.3 ppb (4) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 10.0 | |
| Nov. 19, 2019, noon | 43.4 ppb (40) | 26.9 ppb (25) | N/A | 16.0 ppb (15) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 40.0 | |
| Nov. 19, 2019, 11 a.m. | 36.1 ppb (33) | 21.0 ppb (19) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 33.0 | |
| Nov. 19, 2019, 10 a.m. | 17.1 ppb (16) | 7.1 ppb (7) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 16.0 | |
| Nov. 19, 2019, 9 a.m. | 19.1 ppb (18) | 6.9 ppb (6) | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 18.0 | |
| Nov. 19, 2019, 8 a.m. | 12.7 ppb (12) | 3.4 ppb (3) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 12.0 | |
| Nov. 19, 2019, 7 a.m. | 18.5 ppb (17) | 5.9 ppb (5) | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 17.0 | |
| Nov. 19, 2019, 6 a.m. | 23.6 ppb (22) | 7.0 ppb (6) | N/A | 16.0 ppb (15) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 22.0 | |
| Nov. 19, 2019, 5 a.m. | 24.4 ppb (23) | 7.5 ppb (7) | N/A | 17.0 ppb (16) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 23.0 | |
| Nov. 19, 2019, 4 a.m. | 32.1 ppb (30) | 14.0 ppb (13) | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 30.0 | |
| Nov. 19, 2019, 3 a.m. | 31.4 ppb (29) | 13.5 ppb (12) | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 29.0 | |
| Nov. 19, 2019, 2 a.m. | 27.9 ppb (26) | 11.8 ppb (11) | N/A | 16.0 ppb (15) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 26.0 | |
| Nov. 19, 2019, 1 a.m. | 44.5 ppb (41) | 20.4 ppb (19) | N/A | 24.0 ppb (22) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 41.0 | |
| Nov. 19, 2019, midnight | 62.6 ppb (59) | 33.9 ppb (31) | N/A | 29.0 ppb (27) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 59.0 | |
| Nov. 18, 2019, 11 p.m. | 52.0 ppb (48) | 24.6 ppb (23) | N/A | 27.0 ppb (25) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 48.0 | |
| Nov. 18, 2019, 10 p.m. | 54.1 ppb (50) | 29.0 ppb (27) | N/A | 25.0 ppb (23) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 50.0 | |
| Nov. 18, 2019, 9 p.m. | 46.1 ppb (43) | 23.3 ppb (22) | N/A | 23.0 ppb (21) | N/A | 8.0 ppb (11) | N/A | N/A | N/A | N/A | 43.0 | |
| Nov. 18, 2019, 8 p.m. | 43.4 ppb (40) | 24.8 ppb (23) | N/A | 18.0 ppb (17) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 40.0 | |
| Nov. 18, 2019, 7 p.m. | 38.8 ppb (36) | 24.0 ppb (22) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 36.0 | |
| Nov. 18, 2019, 6 p.m. | 36.6 ppb (34) | 21.9 ppb (20) | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 34.0 | |
| Nov. 18, 2019, 5 p.m. | 34.5 ppb (32) | 21.6 ppb (20) | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 32.0 | |
| Nov. 18, 2019, 4 p.m. | 15.5 ppb (14) | 8.4 ppb (8) | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 14.0 | |
| Nov. 18, 2019, 3 p.m. | 8.9 ppb (8) | 3.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 8.0 | |
| Nov. 18, 2019, 2 p.m. | 37.6 ppb (35) | 26.4 ppb (24) | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 35.0 | |
| Nov. 18, 2019, 1 p.m. | 66.9 ppb (64) | 48.4 ppb (45) | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 64.0 | |
| Nov. 18, 2019, noon | 19.4 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 | |
| Nov. 18, 2019, 11 a.m. | 9.8 ppb (9) | 1.1 ppb (1) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 9.0 | |
| Nov. 18, 2019, 10 a.m. | 22.2 ppb (21) | 9.0 ppb (8) | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 21.0 | |
| Nov. 18, 2019, 9 a.m. | 22.8 ppb (21) | 9.9 ppb (9) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 21.0 | |
| Nov. 18, 2019, 8 a.m. | 14.0 ppb (13) | 5.0 ppb (5) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 13.0 | |
| Nov. 18, 2019, 7 a.m. | 14.9 ppb (14) | 5.5 ppb (5) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 14.0 | |
| Nov. 18, 2019, 6 a.m. | 11.5 ppb (11) | 3.1 ppb (3) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 11.0 | |
| Nov. 18, 2019, 5 a.m. | 9.7 ppb (9) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 9.0 | |
| Nov. 18, 2019, 4 a.m. | 3.9 ppb (4) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 4.0 | |
| Nov. 18, 2019, 3 a.m. | 4.7 ppb (4) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 5.0 | |
| Nov. 18, 2019, 2 a.m. | 20.6 ppb (19) | 7.7 ppb (7) | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 19.0 | |
| Nov. 18, 2019, 1 a.m. | 24.8 ppb (23) | 10.0 ppb (9) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 23.0 | |
| Nov. 18, 2019, midnight | 15.0 ppb (14) | 4.1 ppb (4) | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 14.0 | |
| Nov. 17, 2019, 11 p.m. | 7.2 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 7.0 | |
| Nov. 17, 2019, 10 p.m. | 25.2 ppb (23) | 8.8 ppb (8) | N/A | 16.0 ppb (15) | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 23.0 | |
| Nov. 17, 2019, 9 p.m. | 27.8 ppb (26) | 11.6 ppb (11) | N/A | 16.0 ppb (15) | N/A | 11.0 ppb (16) | N/A | N/A | N/A | N/A | 26.0 | |
| Nov. 17, 2019, 8 p.m. | 21.9 ppb (20) | 9.6 ppb (9) | N/A | 12.0 ppb (11) | N/A | 8.0 ppb (11) | N/A | N/A | N/A | N/A | 20.0 | |
| Nov. 17, 2019, 7 p.m. | 21.6 ppb (20) | 9.6 ppb (9) | N/A | 12.0 ppb (11) | N/A | 6.0 ppb (9) | N/A | N/A | N/A | N/A | 20.0 | |
| Nov. 17, 2019, 6 p.m. | 18.5 ppb (17) | 9.3 ppb (9) | N/A | 9.0 ppb (8) | N/A | 5.0 ppb (7) | N/A | N/A | N/A | N/A | 17.0 | |
| Nov. 17, 2019, 5 p.m. | 19.3 ppb (18) | 10.1 ppb (9) | N/A | 9.0 ppb (8) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 18.0 | |
| Nov. 17, 2019, 4 p.m. | 25.8 ppb (24) | 13.2 ppb (12) | N/A | 12.0 ppb (11) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 24.0 | |
| Nov. 17, 2019, 3 p.m. | 30.6 ppb (28) | 15.4 ppb (14) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 28.0 | |
| Nov. 17, 2019, 2 p.m. | 25.3 ppb (23) | 10.2 ppb (9) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 23.0 | |
| Nov. 17, 2019, 1 p.m. | 28.0 ppb (26) | 11.5 ppb (11) | N/A | 16.0 ppb (15) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 26.0 | |
| Nov. 17, 2019, noon | 27.2 ppb (25) | 9.1 ppb (8) | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 25.0 | |
| Nov. 17, 2019, 11 a.m. | 18.2 ppb (17) | 4.2 ppb (4) | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 17.0 | |
| Nov. 17, 2019, 10 a.m. | 18.2 ppb (17) | 3.7 ppb (3) | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 17.0 | |
| Nov. 17, 2019, 9 a.m. | 21.2 ppb (20) | 6.0 ppb (6) | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 20.0 | |
| Nov. 17, 2019, 8 a.m. | 18.2 ppb (17) | 4.7 ppb (4) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 17.0 | |
| Nov. 17, 2019, 7 a.m. | 15.8 ppb (15) | 3.4 ppb (3) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 15.0 | |
| Nov. 17, 2019, 6 a.m. | 28.0 ppb (26) | 9.7 ppb (9) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 26.0 | |
| Nov. 17, 2019, 5 a.m. | 35.7 ppb (33) | 13.0 ppb (12) | N/A | 22.0 ppb (20) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 33.0 | |
| Nov. 17, 2019, 4 a.m. | 17.4 ppb (16) | 0.7 ppb (1) | N/A | 17.0 ppb (16) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 16.0 | |
| Nov. 17, 2019, 3 a.m. | 14.4 ppb (13) | -0.1 ppb (0) | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 13.0 | |
| Nov. 17, 2019, 2 a.m. | 21.4 ppb (20) | 3.4 ppb (3) | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 20.0 | |
| Nov. 17, 2019, 1 a.m. | 22.0 ppb (20) | 2.6 ppb (2) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 20.0 | |
| Nov. 17, 2019, midnight | 28.9 ppb (27) | 4.6 ppb (4) | N/A | 24.0 ppb (22) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 27.0 | |
| Nov. 16, 2019, 11 p.m. | 21.6 ppb (20) | 1.2 ppb (1) | N/A | 20.0 ppb (19) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 20.0 | |
| Nov. 16, 2019, 10 p.m. | 14.5 ppb (13) | 1.2 ppb (1) | N/A | 13.0 ppb (12) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 13.0 | |
| Nov. 16, 2019, 9 p.m. | 12.6 ppb (12) | 2.6 ppb (2) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 12.0 | |
| Nov. 16, 2019, 8 p.m. | 13.6 ppb (13) | 4.1 ppb (4) | N/A | 10.0 ppb (9) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 13.0 | |
| Nov. 16, 2019, 7 p.m. | 12.1 ppb (11) | 2.9 ppb (3) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 11.0 | |
| Nov. 16, 2019, 6 p.m. | 12.3 ppb (11) | 3.9 ppb (4) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 11.0 | |
| Nov. 16, 2019, 5 p.m. | 12.6 ppb (12) | 4.6 ppb (4) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 12.0 | |
| Nov. 16, 2019, 4 p.m. | 17.9 ppb (17) | 8.0 ppb (7) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 17.0 | |
| Nov. 16, 2019, 3 p.m. | 20.2 ppb (19) | 9.1 ppb (8) | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 19.0 | |
| Nov. 16, 2019, 2 p.m. | 47.7 ppb (44) | 27.4 ppb (25) | N/A | 20.0 ppb (19) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 44.0 | |
| Nov. 16, 2019, 1 p.m. | 86.2 ppb (84) | 59.2 ppb (56) | N/A | 27.0 ppb (25) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 84.0 | |
| Nov. 16, 2019, noon | 70.4 ppb (67) | 43.3 ppb (40) | N/A | 27.0 ppb (25) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 67.0 | |
| Nov. 16, 2019, 11 a.m. | 34.2 ppb (32) | 12.7 ppb (12) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | 32.0 | |
| Nov. 16, 2019, 10 a.m. | 79.6 ppb (77) | 54.1 ppb (50) | N/A | 25.0 ppb (23) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 77.0 | |
| Nov. 16, 2019, 9 a.m. | 122.0 ppb (104) | 89.1 ppb (87) | N/A | 33.0 ppb (31) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 104.0 | |
| Nov. 16, 2019, 8 a.m. | 108.0 ppb (101) | 77.1 ppb (75) | N/A | 31.0 ppb (29) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 101.0 | |
| Nov. 16, 2019, 7 a.m. | 98.8 ppb (98) | 68.2 ppb (65) | N/A | 31.0 ppb (29) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 98.0 | |
| Nov. 16, 2019, 6 a.m. | 135.4 ppb (107) | 101.0 ppb (100) | N/A | 34.0 ppb (31) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 107.0 | |
| Nov. 16, 2019, 5 a.m. | 156.8 ppb (111) | 123.3 ppb (104) | N/A | 34.0 ppb (31) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 111.0 | |
| Nov. 16, 2019, 4 a.m. | 118.0 ppb (103) | 81.1 ppb (79) | N/A | 37.0 ppb (34) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 103.0 | |
| Nov. 16, 2019, 3 a.m. | 94.9 ppb (94) | 56.0 ppb (52) | N/A | 39.0 ppb (36) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 94.0 | |
| Nov. 16, 2019, 2 a.m. | 50.1 ppb (46) | 17.0 ppb (16) | N/A | 33.0 ppb (31) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 46.0 | |
| Nov. 16, 2019, 1 a.m. | 64.8 ppb (61) | 29.9 ppb (28) | N/A | 35.0 ppb (32) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 61.0 |