Cincinnati (Camp Washington) OH, US: 39.146025, -84.538375
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 3, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 5.8 μg/m3 (24) | 24.0 | |
| June 3, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| June 3, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| June 3, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 10.7 μg/m3 (45) | 45.0 | |
| June 3, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 14.7 μg/m3 (56) | 56.0 | |
| June 3, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 14.4 μg/m3 (55) | 55.0 | |
| June 3, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 11.4 μg/m3 (48) | 48.0 | |
| June 3, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| June 3, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| June 3, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| June 3, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| June 3, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| June 3, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| June 3, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| June 3, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| June 3, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 4.2 μg/m3 (18) | 18.0 | |
| June 2, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 3.6 μg/m3 (15) | 15.0 | |
| June 2, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 3.1 μg/m3 (13) | 13.0 | |
| June 2, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| June 2, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.16 ppb (2) | N/A | -1.8 μg/m3 (0) | 2.0 | |
| June 2, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 1.0 μg/m3 (4) | 4.0 | |
| June 2, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | -0.4 μg/m3 (0) | 2.0 | |
| June 2, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.17 ppb (2) | N/A | -1.1 μg/m3 (0) | 2.0 | |
| June 2, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 2.8 μg/m3 (12) | 12.0 | |
| June 2, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 12.8 μg/m3 (52) | 52.0 | |
| June 2, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| June 2, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 21.3 μg/m3 (70) | 70.0 | |
| June 2, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 23.9 μg/m3 (75) | 75.0 | |
| June 2, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 18.9 μg/m3 (65) | 65.0 | |
| June 2, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 10.7 μg/m3 (45) | 45.0 | |
| June 2, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| June 2, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| June 2, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 15.8 μg/m3 (58) | 58.0 | |
| June 2, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 5.6 μg/m3 (23) | 23.0 | |
| June 2, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| June 2, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 10.3 μg/m3 (43) | 43.0 | |
| June 2, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 11.4 μg/m3 (48) | 48.0 | |
| June 2, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 14.2 μg/m3 (55) | 55.0 | |
| June 2, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| June 2, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.37 ppb (4) | N/A | 28.2 μg/m3 (84) | 84.0 | |
| June 1, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| June 1, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 3.1 μg/m3 (13) | 13.0 | |
| June 1, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 3.4 μg/m3 (14) | 14.0 | |
| June 1, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 1.6 μg/m3 (7) | 7.0 | |
| June 1, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 3.6 μg/m3 (15) | 15.0 | |
| June 1, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 2.4 μg/m3 (10) | 10.0 | |
| June 1, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 3.5 μg/m3 (15) | 15.0 | |
| June 1, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 3.4 μg/m3 (14) | 14.0 | |
| June 1, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 1, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| June 1, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 5.5 μg/m3 (23) | 23.0 | |
| June 1, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 4.2 μg/m3 (18) | 18.0 | |
| June 1, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.72 ppb (8) | N/A | 15.1 μg/m3 (57) | 57.0 | |
| June 1, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 5.8 μg/m3 (24) | 24.0 | |
| June 1, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 2.9 μg/m3 (12) | 12.0 | |
| June 1, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 1.3 μg/m3 (5) | 5.0 | |
| June 1, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 1.2 μg/m3 (5) | 5.0 | |
| June 1, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 3.6 μg/m3 (15) | 15.0 | |
| June 1, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| June 1, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 22.8 μg/m3 (73) | 73.0 | |
| June 1, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 22.6 μg/m3 (73) | 73.0 | |
| June 1, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 14.5 μg/m3 (55) | 55.0 | |
| June 1, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 10.4 μg/m3 (43) | 43.0 | |
| June 1, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| May 31, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| May 31, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 3.6 μg/m3 (15) | 15.0 | |
| May 31, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 2.6 μg/m3 (11) | 11.0 | |
| May 31, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 1.1 μg/m3 (5) | 5.0 | |
| May 31, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 0.6 μg/m3 (2) | 4.0 | |
| May 31, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 0.3 μg/m3 (1) | 3.0 | |
| May 31, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 1.0 μg/m3 (4) | 4.0 | |
| May 31, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 0.4 μg/m3 (2) | 3.0 | |
| May 31, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 1.8 μg/m3 (8) | 8.0 | |
| May 31, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 1.8 μg/m3 (8) | 8.0 | |
| May 31, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 1.0 μg/m3 (4) | 4.0 | |
| May 31, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | -1.8 μg/m3 (0) | 2.0 | |
| May 31, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 3.1 μg/m3 (13) | 13.0 | |
| May 31, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| May 31, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 5.1 μg/m3 (21) | 21.0 | |
| May 31, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| May 31, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 2.4 μg/m3 (10) | 10.0 | |
| May 31, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 2.1 μg/m3 (9) | 9.0 | |
| May 31, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 5.8 μg/m3 (24) | 24.0 | |
| May 31, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 14.4 μg/m3 (55) | 55.0 | |
| May 31, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| May 31, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.67 ppb (7) | N/A | 28.0 μg/m3 (84) | 84.0 | |
| May 31, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 19.5 μg/m3 (66) | 66.0 | |
| May 31, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| May 30, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 3.2 μg/m3 (13) | 13.0 | |
| May 30, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 2.2 μg/m3 (9) | 9.0 | |
| May 30, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 1.5 μg/m3 (6) | 6.0 | |
| May 30, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | -2.5 μg/m3 (0) | 2.0 | |
| May 30, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.26 ppb (3) | N/A | -2.2 μg/m3 (0) | 3.0 | |
| May 30, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | -1.9 μg/m3 (0) | 3.0 | |
| May 30, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 0.2 μg/m3 (1) | 3.0 | |
| May 30, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 1.8 μg/m3 (8) | 8.0 | |
| May 30, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 1.5 μg/m3 (6) | 6.0 | |
| May 30, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| May 30, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 1.6 μg/m3 (7) | 7.0 | |
| May 30, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.25 ppb (3) | N/A | -3.0 μg/m3 (0) | 3.0 | |
| May 30, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.35 ppb (4) | N/A | -0.8 μg/m3 (0) | 4.0 | |
| May 30, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 1.1 μg/m3 (5) | 5.0 | |
| May 30, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.47 ppb (5) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| May 30, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.65 ppb (7) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| May 30, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.64 ppb (7) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| May 30, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| May 30, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.63 ppb (7) | N/A | 14.6 μg/m3 (56) | 56.0 | |
| May 30, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 24.5 μg/m3 (77) | 77.0 | |
| May 30, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 27.0 μg/m3 (82) | 82.0 | |
| May 30, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.47 ppb (5) | N/A | 15.7 μg/m3 (58) | 58.0 | |
| May 30, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 10.2 μg/m3 (42) | 42.0 | |
| May 30, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.45 ppb (5) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 29, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 5.1 μg/m3 (21) | 21.0 | |
| May 29, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 4.2 μg/m3 (18) | 18.0 | |
| May 29, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| May 29, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 29, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 4.5 μg/m3 (19) | 19.0 | |
| May 29, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| May 29, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| May 29, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 10.7 μg/m3 (45) | 45.0 | |
| May 29, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| May 29, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 3.3 μg/m3 (14) | 14.0 | |
| May 29, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| May 29, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| May 29, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 29, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 9.6 μg/m3 (40) | 40.0 | |
| May 29, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| May 29, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 4.6 μg/m3 (19) | 19.0 | |
| May 29, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 1.5 μg/m3 (6) | 6.0 | |
| May 29, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 1.9 μg/m3 (8) | 8.0 | |
| May 29, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| May 29, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| May 29, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| May 29, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| May 29, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 13.1 μg/m3 (52) | 52.0 | |
| May 29, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 9.6 μg/m3 (40) | 40.0 | |
| May 28, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 28, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.15 ppb (2) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| May 28, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.12 ppb (1) | N/A | 2.3 μg/m3 (10) | 10.0 | |
| May 28, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 0.4 μg/m3 (2) | 2.0 | |
| May 28, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.13 ppb (1) | N/A | -2.5 μg/m3 (0) | 1.0 | |
| May 28, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.12 ppb (1) | N/A | 2.7 μg/m3 (11) | 11.0 | |
| May 28, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 1.9 μg/m3 (8) | 8.0 | |
| May 28, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.11 ppb (1) | N/A | -3.1 μg/m3 (0) | 1.0 | |
| May 28, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.13 ppb (1) | N/A | -0.7 μg/m3 (0) | 1.0 | |
| May 28, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.15 ppb (2) | N/A | -0.3 μg/m3 (0) | 2.0 | |
| May 28, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| May 28, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| May 28, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 3.8 μg/m3 (16) | 16.0 | |
| May 28, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| May 28, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| May 28, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 28, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 0.4 μg/m3 (2) | 2.0 | |
| May 28, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.37 ppb (4) | N/A | 0.3 μg/m3 (1) | 4.0 | |
| May 28, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| May 28, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.65 ppb (7) | N/A | 19.5 μg/m3 (66) | 66.0 | |
| May 28, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 25.4 μg/m3 (79) | 79.0 | |
| May 28, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.67 ppb (7) | N/A | 30.1 μg/m3 (89) | 89.0 | |
| May 28, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 23.3 μg/m3 (74) | 74.0 | |
| May 28, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 12.4 μg/m3 (51) | 51.0 | |
| May 27, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 4.6 μg/m3 (19) | 19.0 | |
| May 27, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| May 27, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 3.9 μg/m3 (16) | 16.0 | |
| May 27, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | -1.6 μg/m3 (0) | 2.0 | |
| May 27, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | -3.8 μg/m3 (0) | 2.0 | |
| May 27, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.24 ppb (3) | N/A | -2.9 μg/m3 (0) | 3.0 | |
| May 27, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | -4.7 μg/m3 (0) | 2.0 | |
| May 27, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.19 ppb (2) | N/A | -3.9 μg/m3 (0) | 2.0 |