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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 17, 2022, 7 p.m. | 25.0 ppb (24) | 10.6 ppb (10) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 24.0 | |
| May 17, 2022, 6 p.m. | 23.4 ppb (23) | 9.3 ppb (9) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 23.0 | |
| May 17, 2022, 6 p.m. | 23.4 ppb (23) | 9.3 ppb (9) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 23.0 | |
| May 17, 2022, 5 p.m. | 19.4 ppb (19) | 7.0 ppb (7) | N/A | 13.0 ppb (13) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 19.0 | |
| May 17, 2022, 5 p.m. | 19.4 ppb (19) | 7.0 ppb (7) | N/A | 13.0 ppb (13) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 19.0 | |
| May 17, 2022, 4 p.m. | 22.1 ppb (21) | 8.2 ppb (8) | N/A | 14.0 ppb (14) | N/A | 10.0 ppb (15) | N/A | N/A | N/A | N/A | 21.0 | |
| May 17, 2022, 4 p.m. | 22.1 ppb (21) | 8.2 ppb (8) | N/A | 14.0 ppb (14) | N/A | 10.0 ppb (15) | N/A | N/A | N/A | N/A | 21.0 | |
| May 17, 2022, 3 p.m. | 26.2 ppb (25) | 11.0 ppb (11) | N/A | 16.0 ppb (16) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 25.0 | |
| May 17, 2022, 3 p.m. | 26.2 ppb (25) | 11.0 ppb (11) | N/A | 16.0 ppb (16) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 25.0 | |
| May 17, 2022, 2 p.m. | 29.6 ppb (28) | 12.1 ppb (12) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 28.0 | |
| May 17, 2022, 2 p.m. | 29.6 ppb (28) | 12.1 ppb (12) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 28.0 | |
| May 17, 2022, 1 p.m. | 42.8 ppb (41) | 22.7 ppb (22) | N/A | 21.0 ppb (20) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 41.0 | |
| May 17, 2022, noon | 37.7 ppb (36) | 18.6 ppb (18) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 36.0 | |
| May 17, 2022, noon | 37.7 ppb (36) | 18.6 ppb (18) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 36.0 | |
| May 17, 2022, 10 a.m. | 21.4 ppb (21) | 6.2 ppb (6) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 17, 2022, 10 a.m. | 21.4 ppb (21) | 6.2 ppb (6) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 17, 2022, 9 a.m. | 34.3 ppb (33) | 10.4 ppb (10) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 33.0 | |
| May 17, 2022, 8 a.m. | 29.4 ppb (28) | 7.3 ppb (7) | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 28.0 | |
| May 17, 2022, 5 a.m. | 36.1 ppb (35) | 8.9 ppb (9) | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 35.0 | |
| May 17, 2022, 5 a.m. | 36.1 ppb (35) | 8.9 ppb (9) | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 35.0 | |
| May 17, 2022, 4 a.m. | 32.5 ppb (31) | 8.8 ppb (9) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 31.0 | |
| May 17, 2022, 3 a.m. | 51.0 ppb (49) | 17.7 ppb (17) | N/A | 34.0 ppb (33) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 49.0 | |
| May 17, 2022, 2 a.m. | 40.5 ppb (39) | 7.0 ppb (7) | N/A | 34.0 ppb (33) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 39.0 | |
| May 17, 2022, 1 a.m. | 7.7 ppb (8) | 1.1 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 17, 2022, midnight | 2.9 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2022, 11 p.m. | 3.9 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 4.0 | |
| May 16, 2022, 10 p.m. | 8.6 ppb (9) | 2.6 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 9.0 | |
| May 16, 2022, 9 p.m. | 9.2 ppb (9) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 9.0 | |
| May 16, 2022, 8 p.m. | 8.1 ppb (8) | 2.6 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 16, 2022, 6 p.m. | 3.6 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 4.0 | |
| May 16, 2022, 6 p.m. | 3.6 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 4.0 | |
| May 16, 2022, 5 p.m. | 5.8 ppb (6) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 6.0 | |
| May 16, 2022, 4 p.m. | 8.0 ppb (8) | 2.6 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 16, 2022, 3 p.m. | 7.9 ppb (8) | 2.5 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 16, 2022, 2 p.m. | 5.6 ppb (6) | 1.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 6.0 | |
| May 16, 2022, 1 p.m. | 9.4 ppb (9) | 3.2 ppb (4) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 9.0 | |
| May 16, 2022, 5 a.m. | 3.7 ppb (4) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 4.0 | |
| May 16, 2022, 4 a.m. | 3.0 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2022, 3 a.m. | 2.1 ppb (2) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2022, 2 a.m. | 2.2 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2022, 2 a.m. | 2.2 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 16, 2022, 1 a.m. | 1.8 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 2.0 | |
| May 16, 2022, midnight | 1.4 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 2.0 | |
| May 15, 2022, 10 p.m. | 1.6 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 2.0 | |
| May 15, 2022, 9 p.m. | 2.0 ppb (2) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 2.0 | |
| May 15, 2022, 8 p.m. | 5.0 ppb (5) | 1.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 5.0 | |
| May 15, 2022, 7 p.m. | 2.2 ppb (3) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2022, 6 p.m. | 2.3 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 15, 2022, 5 p.m. | 7.9 ppb (8) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 8.0 | |
| May 15, 2022, 4 p.m. | 15.2 ppb (15) | 4.2 ppb (4) | N/A | 11.0 ppb (11) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 15.0 | |
| May 15, 2022, 10 a.m. | 8.0 ppb (8) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 15, 2022, 9 a.m. | 11.4 ppb (11) | 2.6 ppb (3) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 11.0 | |
| May 15, 2022, 8 a.m. | 12.8 ppb (13) | 2.6 ppb (3) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 13.0 | |
| May 15, 2022, 7 a.m. | 24.4 ppb (24) | 5.9 ppb (6) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 24.0 | |
| May 15, 2022, 6 a.m. | 14.5 ppb (14) | 0.9 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 14.0 | |
| May 15, 2022, 5 a.m. | 17.6 ppb (17) | 3.9 ppb (4) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 17.0 | |
| May 15, 2022, 5 a.m. | 17.6 ppb (17) | 3.9 ppb (4) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 17.0 | |
| May 15, 2022, 4 a.m. | 13.5 ppb (13) | 2.5 ppb (3) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 13.0 | |
| May 15, 2022, 3 a.m. | 26.9 ppb (26) | 3.2 ppb (4) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 26.0 | |
| May 15, 2022, 2 a.m. | 14.1 ppb (14) | 3.7 ppb (4) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 14.0 | |
| May 15, 2022, midnight | 2.7 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 3.0 | |
| May 14, 2022, 10 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 | |
| May 14, 2022, 9 p.m. | 12.3 ppb (12) | 3.1 ppb (3) | N/A | 9.0 ppb (9) | N/A | 5.0 ppb (8) | N/A | N/A | N/A | N/A | 12.0 | |
| May 14, 2022, 7 p.m. | 13.5 ppb (13) | 4.1 ppb (4) | N/A | 10.0 ppb (10) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 13.0 | |
| May 14, 2022, 7 p.m. | 13.5 ppb (13) | 4.1 ppb (4) | N/A | 10.0 ppb (10) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 13.0 | |
| May 14, 2022, 6 p.m. | 11.8 ppb (12) | 3.5 ppb (4) | N/A | 8.0 ppb (8) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 12.0 | |
| May 14, 2022, 5 p.m. | 12.1 ppb (12) | 3.0 ppb (3) | N/A | 9.0 ppb (9) | N/A | 3.0 ppb (5) | N/A | N/A | N/A | N/A | 12.0 | |
| May 14, 2022, 5 p.m. | 12.1 ppb (12) | 3.0 ppb (3) | N/A | 9.0 ppb (9) | N/A | 3.0 ppb (5) | N/A | N/A | N/A | N/A | 12.0 | |
| May 14, 2022, 5 p.m. | 12.1 ppb (12) | 3.0 ppb (3) | N/A | 9.0 ppb (9) | N/A | 3.0 ppb (5) | N/A | N/A | N/A | N/A | 12.0 | |
| May 14, 2022, 4 p.m. | 12.0 ppb (12) | 2.9 ppb (3) | N/A | 9.0 ppb (9) | N/A | 6.0 ppb (9) | N/A | N/A | N/A | N/A | 12.0 | |
| May 14, 2022, 3 p.m. | 17.6 ppb (17) | 6.6 ppb (7) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 17.0 | |
| May 14, 2022, 9 a.m. | 4.6 ppb (5) | -0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 5.0 | |
| May 14, 2022, 8 a.m. | 3.5 ppb (4) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 4.0 | |
| May 14, 2022, 7 a.m. | 5.7 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 6.0 | |
| May 14, 2022, 6 a.m. | 15.5 ppb (15) | 1.3 ppb (2) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 15.0 | |
| May 14, 2022, 5 a.m. | 6.2 ppb (6) | -0.2 ppb (0) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 7.0 | |
| May 14, 2022, 5 a.m. | 6.2 ppb (6) | -0.2 ppb (0) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 7.0 | |
| May 14, 2022, 4 a.m. | 7.9 ppb (8) | 1.1 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 14, 2022, 2 a.m. | 12.1 ppb (12) | 0.0 ppb (0) | N/A | 12.0 ppb (12) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 12.0 | |
| May 14, 2022, 1 a.m. | 26.1 ppb (25) | 3.3 ppb (4) | N/A | 23.0 ppb (22) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 25.0 | |
| May 14, 2022, midnight | 22.7 ppb (22) | 4.9 ppb (5) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 22.0 | |
| May 14, 2022, midnight | 22.7 ppb (22) | 4.9 ppb (5) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 22.0 | |
| May 13, 2022, 6 p.m. | 25.0 ppb (24) | 5.3 ppb (5) | N/A | 20.0 ppb (19) | N/A | 3.0 ppb (5) | N/A | N/A | N/A | N/A | 24.0 | |
| May 13, 2022, 3 p.m. | 23.0 ppb (22) | 7.4 ppb (7) | N/A | 16.0 ppb (16) | N/A | 4.0 ppb (6) | N/A | N/A | N/A | N/A | 22.0 | |
| May 13, 2022, 2 p.m. | 37.5 ppb (36) | 14.5 ppb (14) | N/A | 23.0 ppb (22) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 36.0 | |
| May 13, 2022, 1 p.m. | 41.4 ppb (40) | 16.5 ppb (16) | N/A | 25.0 ppb (24) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 40.0 | |
| May 13, 2022, noon | 40.7 ppb (39) | 15.6 ppb (15) | N/A | 25.0 ppb (24) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 39.0 | |
| May 13, 2022, 10 a.m. | 24.7 ppb (24) | 6.9 ppb (7) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 24.0 | |
| May 13, 2022, 10 a.m. | 24.7 ppb (24) | 6.9 ppb (7) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 24.0 | |
| May 13, 2022, 9 a.m. | 14.9 ppb (15) | 2.7 ppb (3) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 15.0 | |
| May 13, 2022, 9 a.m. | 14.9 ppb (15) | 2.7 ppb (3) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 15.0 | |
| May 13, 2022, 8 a.m. | 10.3 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 10.0 | |
| May 13, 2022, 7 a.m. | 12.4 ppb (12) | 1.7 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 12.0 | |
| May 13, 2022, 6 a.m. | 12.4 ppb (12) | 1.8 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 12.0 | |
| May 13, 2022, 5 a.m. | 15.9 ppb (15) | 2.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 15.0 | |
| May 13, 2022, 4 a.m. | 12.6 ppb (12) | 2.6 ppb (3) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 12.0 | |
| May 13, 2022, 2 a.m. | 19.2 ppb (19) | 4.3 ppb (5) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 19.0 | |
| May 13, 2022, 1 a.m. | 23.8 ppb (23) | 4.7 ppb (5) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 23.0 | |
| May 13, 2022, midnight | 22.3 ppb (22) | 4.9 ppb (5) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 12, 2022, 11 p.m. | 20.0 ppb (19) | 4.9 ppb (5) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 19.0 | |
| May 12, 2022, 10 p.m. | 23.7 ppb (23) | 6.6 ppb (7) | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 23.0 | |
| May 12, 2022, 9 p.m. | 21.6 ppb (21) | 5.6 ppb (6) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 12, 2022, 8 p.m. | 21.1 ppb (20) | 6.0 ppb (6) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 20.0 | |
| May 12, 2022, 7 p.m. | 23.4 ppb (23) | 7.9 ppb (8) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 23.0 | |
| May 12, 2022, 7 p.m. | 23.4 ppb (23) | 7.9 ppb (8) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 23.0 | |
| May 12, 2022, 6 p.m. | 17.7 ppb (17) | 5.6 ppb (6) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 17.0 | |
| May 12, 2022, 5 p.m. | 22.6 ppb (22) | 8.1 ppb (8) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 12, 2022, 5 p.m. | 22.6 ppb (22) | 8.1 ppb (8) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 12, 2022, 4 p.m. | 22.0 ppb (21) | 8.6 ppb (9) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 12, 2022, 4 p.m. | 22.0 ppb (21) | 8.6 ppb (9) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 12, 2022, 3 p.m. | 19.2 ppb (19) | 7.3 ppb (7) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 19.0 | |
| May 12, 2022, 3 p.m. | 19.2 ppb (19) | 7.3 ppb (7) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 19.0 | |
| May 12, 2022, 2 p.m. | 27.8 ppb (27) | 10.9 ppb (11) | N/A | 17.0 ppb (17) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 27.0 | |
| May 12, 2022, 2 p.m. | 27.8 ppb (27) | 10.9 ppb (11) | N/A | 17.0 ppb (17) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 27.0 | |
| May 12, 2022, 1 p.m. | 36.9 ppb (35) | 16.0 ppb (16) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 35.0 | |
| May 12, 2022, noon | 38.2 ppb (37) | 18.6 ppb (18) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 37.0 | |
| May 12, 2022, 9 a.m. | 12.0 ppb (12) | 0.1 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 12.0 | |
| May 12, 2022, 8 a.m. | 8.3 ppb (8) | 0.0 ppb (0) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 9.0 | |
| May 12, 2022, 3 a.m. | 15.7 ppb (15) | 5.2 ppb (5) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 15.0 | |
| May 12, 2022, 1 a.m. | 22.5 ppb (22) | 6.2 ppb (6) | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 12, 2022, midnight | 21.1 ppb (20) | 6.1 ppb (6) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 20.0 | |
| May 11, 2022, 11 p.m. | 22.7 ppb (22) | 7.6 ppb (8) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 11, 2022, 10 p.m. | 21.5 ppb (21) | 7.3 ppb (7) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 11, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 0.0 | |
| May 11, 2022, 8 p.m. | 18.6 ppb (18) | 5.5 ppb (6) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 18.0 | |
| May 11, 2022, 7 p.m. | 18.2 ppb (18) | 6.9 ppb (7) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 18.0 | |
| May 11, 2022, 6 p.m. | 15.8 ppb (15) | 7.4 ppb (7) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 15.0 | |
| May 11, 2022, 5 p.m. | 15.5 ppb (15) | 6.7 ppb (7) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 15.0 | |
| May 11, 2022, 4 p.m. | 16.6 ppb (16) | 8.0 ppb (8) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 16.0 | |
| May 11, 2022, 3 p.m. | 25.2 ppb (24) | 14.0 ppb (14) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 24.0 | |
| May 11, 2022, 2 p.m. | 26.4 ppb (25) | 15.7 ppb (15) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 25.0 | |
| May 11, 2022, 2 p.m. | 26.4 ppb (25) | 15.7 ppb (15) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 25.0 | |
| May 11, 2022, 1 p.m. | 34.3 ppb (33) | 19.8 ppb (19) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 33.0 | |
| May 11, 2022, 1 p.m. | 34.3 ppb (33) | 19.8 ppb (19) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 33.0 | |
| May 11, 2022, 11 a.m. | 36.0 ppb (34) | 21.8 ppb (21) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 34.0 | |
| May 11, 2022, 10 a.m. | 19.7 ppb (19) | 9.0 ppb (9) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 19.0 | |
| May 11, 2022, 9 a.m. | 12.2 ppb (12) | 2.9 ppb (3) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 12.0 | |
| May 11, 2022, 8 a.m. | 11.2 ppb (11) | 3.4 ppb (4) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 11.0 | |
| May 11, 2022, 4 a.m. | 12.3 ppb (12) | 4.5 ppb (5) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 12.0 | |
| May 11, 2022, 3 a.m. | 17.2 ppb (17) | 6.8 ppb (7) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 17.0 | |
| May 11, 2022, 2 a.m. | 13.4 ppb (13) | 6.0 ppb (6) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 13.0 | |
| May 11, 2022, midnight | 13.6 ppb (13) | 6.7 ppb (7) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 13.0 | |
| May 10, 2022, 11 p.m. | 16.1 ppb (16) | 7.9 ppb (8) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 16.0 | |
| May 10, 2022, 9 p.m. | 20.9 ppb (20) | 10.2 ppb (10) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 20.0 | |
| May 10, 2022, 8 p.m. | 23.8 ppb (23) | 11.7 ppb (12) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 23.0 | |
| May 10, 2022, 7 p.m. | 21.4 ppb (21) | 11.1 ppb (11) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 10, 2022, 6 p.m. | 21.2 ppb (20) | 11.5 ppb (11) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 20.0 | |
| May 10, 2022, 5 p.m. | 18.0 ppb (17) | 9.9 ppb (10) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 17.0 | |
| May 10, 2022, 4 p.m. | 23.0 ppb (22) | 13.1 ppb (13) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 10, 2022, 3 p.m. | 19.7 ppb (19) | 11.9 ppb (12) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 19.0 | |
| May 10, 2022, 2 p.m. | 20.3 ppb (20) | 11.9 ppb (12) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 20.0 | |
| May 10, 2022, 1 p.m. | 22.6 ppb (22) | 13.7 ppb (13) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 10, 2022, noon | 23.1 ppb (22) | 13.1 ppb (13) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 10, 2022, noon | 23.1 ppb (22) | 13.1 ppb (13) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 22.0 | |
| May 10, 2022, 11 a.m. | 21.5 ppb (21) | 11.7 ppb (12) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 10, 2022, 11 a.m. | 21.5 ppb (21) | 11.7 ppb (12) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 21.0 | |
| May 10, 2022, 10 a.m. | 16.1 ppb (16) | 7.5 ppb (8) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 16.0 | |
| May 10, 2022, 9 a.m. | 11.2 ppb (11) | 4.7 ppb (5) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 11.0 | |
| May 10, 2022, 8 a.m. | 12.1 ppb (12) | 4.6 ppb (5) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 12.0 | |
| May 10, 2022, 7 a.m. | 7.0 ppb (7) | 2.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 7.0 | |
| May 10, 2022, 6 a.m. | 6.4 ppb (7) | 2.6 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 7.0 | |
| May 10, 2022, 3 a.m. | 8.4 ppb (8) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 10, 2022, 3 a.m. | 8.4 ppb (8) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 10, 2022, 2 a.m. | 7.0 ppb (7) | 3.4 ppb (4) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 7.0 | |
| May 10, 2022, 2 a.m. | 7.0 ppb (7) | 3.4 ppb (4) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 7.0 | |
| May 10, 2022, 1 a.m. | 7.9 ppb (8) | 3.7 ppb (4) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 10, 2022, 1 a.m. | 7.9 ppb (8) | 3.7 ppb (4) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 | |
| May 10, 2022, midnight | 8.2 ppb (8) | 4.2 ppb (4) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | 8.0 |