Detroit (Fort St W) MI, US: 42.3042, -83.1072
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 25, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 13.6 μg/m3 (55) | 55.0 | |
| Oct. 25, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 15.5 μg/m3 (59) | 59.0 | |
| Oct. 25, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.1 μg/m3 (56) | 56.0 | |
| Oct. 25, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.7 μg/m3 (57) | 57.0 | |
| Oct. 25, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.4 μg/m3 (58) | 58.0 | |
| Oct. 25, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
| Oct. 25, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 13.4 μg/m3 (54) | 54.0 | |
| Oct. 25, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.2 μg/m3 (52) | 52.0 | |
| Oct. 25, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Oct. 25, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.2 μg/m3 (56) | 56.0 | |
| Oct. 24, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 16.6 μg/m3 (61) | 61.0 | |
| Oct. 24, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 18.3 μg/m3 (65) | 65.0 | |
| Oct. 24, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 16.5 μg/m3 (61) | 61.0 | |
| Oct. 24, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.7 μg/m3 (57) | 57.0 | |
| Oct. 24, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.9 μg/m3 (53) | 53.0 | |
| Oct. 24, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 11.9 μg/m3 (50) | 50.0 | |
| Oct. 24, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.7 μg/m3 (53) | 53.0 | |
| Oct. 24, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.6 μg/m3 (57) | 57.0 | |
| Oct. 24, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.8 μg/m3 (57) | 57.0 | |
| Oct. 24, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 20.7 μg/m3 (70) | 70.0 | |
| Oct. 24, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 31.2 μg/m3 (92) | 92.0 | |
| Oct. 24, 2021, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 39.0 μg/m3 (110) | 110.0 | |
| Oct. 24, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 41.7 μg/m3 (117) | 117.0 | |
| Oct. 24, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 44.3 μg/m3 (123) | 123.0 | |
| Oct. 24, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 45.9 μg/m3 (127) | 127.0 | |
| Oct. 24, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 50.1 μg/m3 (137) | 137.0 | |
| Oct. 24, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 54.7 μg/m3 (149) | 149.0 | |
| Oct. 24, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 61.9 μg/m3 (155) | 155.0 | |
| Oct. 24, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (153) | 153.0 | |
| Oct. 24, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 53.6 μg/m3 (146) | 146.0 | |
| Oct. 24, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 49.1 μg/m3 (135) | 135.0 | |
| Oct. 24, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 35.1 μg/m3 (100) | 100.0 | |
| Oct. 24, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 19.5 μg/m3 (67) | 67.0 | |
| Oct. 24, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 19.2 μg/m3 (66) | 66.0 | |
| Oct. 23, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 24.4 μg/m3 (77) | 77.0 | |
| Oct. 23, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
| Oct. 23, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.4 μg/m3 (31) | 31.0 | |
| Oct. 23, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Oct. 23, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
| Oct. 23, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.8 μg/m3 (37) | 37.0 | |
| Oct. 23, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.9 μg/m3 (38) | 38.0 | |
| Oct. 23, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 9.9 μg/m3 (42) | 42.0 | |
| Oct. 23, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.7 μg/m3 (53) | 53.0 | |
| Oct. 23, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 15.1 μg/m3 (58) | 58.0 | |
| Oct. 23, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 17.3 μg/m3 (62) | 62.0 | |
| Oct. 23, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 11.6 μg/m3 (49) | 49.0 | |
| Oct. 23, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.5 μg/m3 (36) | 36.0 | |
| Oct. 23, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
| Oct. 23, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.3 μg/m3 (35) | 35.0 | |
| Oct. 23, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.7 μg/m3 (33) | 33.0 | |
| Oct. 23, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.6 μg/m3 (28) | 28.0 | |
| Oct. 23, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.9 μg/m3 (25) | 25.0 | |
| Oct. 23, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.5 μg/m3 (44) | 44.0 | |
| Oct. 23, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 16.4 μg/m3 (61) | 61.0 | |
| Oct. 23, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 13.6 μg/m3 (55) | 55.0 | |
| Oct. 23, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.5 μg/m3 (57) | 57.0 | |
| Oct. 23, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 11.8 μg/m3 (50) | 50.0 | |
| Oct. 23, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.2 μg/m3 (35) | 35.0 | |
| Oct. 22, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.3 μg/m3 (31) | 31.0 | |
| Oct. 22, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.6 μg/m3 (24) | 24.0 | |
| Oct. 22, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.3 μg/m3 (23) | 23.0 | |
| Oct. 22, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.6 μg/m3 (20) | 20.0 | |
| Oct. 22, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| Oct. 22, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.9 μg/m3 (21) | 21.0 | |
| Oct. 22, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.3 μg/m3 (18) | 18.0 | |
| Oct. 22, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.2 μg/m3 (18) | 18.0 | |
| Oct. 22, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| Oct. 22, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.2 μg/m3 (22) | 22.0 | |
| Oct. 22, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | N/A | 2.0 | |
| Oct. 22, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 9.5 μg/m3 (40) | 40.0 | |
| Oct. 22, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.1 μg/m3 (26) | 26.0 | |
| Oct. 22, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Oct. 22, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.1 μg/m3 (22) | 22.0 | |
| Oct. 22, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.6 μg/m3 (20) | 20.0 | |
| Oct. 22, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.6 μg/m3 (20) | 20.0 | |
| Oct. 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| Oct. 22, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.6 μg/m3 (20) | 20.0 | |
| Oct. 22, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 3.3 μg/m3 (14) | 14.0 | |
| Oct. 22, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 1.5 μg/m3 (7) | 7.0 | |
| Oct. 22, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 2.1 μg/m3 (9) | 9.0 | |
| Oct. 22, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.4 μg/m3 (31) | 31.0 | |
| Oct. 22, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.2 μg/m3 (35) | 35.0 | |
| Oct. 21, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.1 μg/m3 (30) | 30.0 | |
| Oct. 21, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.2 μg/m3 (31) | 31.0 | |
| Oct. 21, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 10.7 μg/m3 (45) | 45.0 | |
| Oct. 21, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 11.1 μg/m3 (47) | 47.0 | |
| Oct. 21, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 9.6 μg/m3 (40) | 40.0 | |
| Oct. 21, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Oct. 21, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 21.5 μg/m3 (71) | 71.0 | |
| Oct. 21, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 23.2 μg/m3 (75) | 75.0 | |
| Oct. 21, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 23.9 μg/m3 (76) | 76.0 | |
| Oct. 21, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 30.2 μg/m3 (90) | 90.0 | |
| Oct. 21, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 27.0 μg/m3 (83) | 83.0 | |
| Oct. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 24.8 μg/m3 (78) | 78.0 | |
| Oct. 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 26.8 μg/m3 (82) | 82.0 | |
| Oct. 21, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 20.6 μg/m3 (69) | 69.0 | |
| Oct. 21, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 20.9 μg/m3 (70) | 70.0 | |
| Oct. 21, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 21.2 μg/m3 (71) | 71.0 | |
| Oct. 21, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 21.4 μg/m3 (71) | 71.0 | |
| Oct. 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 19.1 μg/m3 (66) | 66.0 | |
| Oct. 21, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.5 μg/m3 (69) | 69.0 | |
| Oct. 21, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 18.8 μg/m3 (66) | 66.0 | |
| Oct. 21, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 17.6 μg/m3 (63) | 63.0 | |
| Oct. 21, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 18.9 μg/m3 (66) | 66.0 | |
| Oct. 21, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 18.5 μg/m3 (65) | 65.0 | |
| Oct. 21, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 17.3 μg/m3 (62) | 62.0 | |
| Oct. 20, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 19.7 μg/m3 (67) | 67.0 | |
| Oct. 20, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | N/A | 19.5 μg/m3 (67) | 67.0 | |
| Oct. 20, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | N/A | N/A | N/A | 20.9 μg/m3 (70) | 70.0 | |
| Oct. 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | N/A | 17.1 μg/m3 (62) | 62.0 | |
| Oct. 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (25) | N/A | N/A | N/A | 16.9 μg/m3 (62) | 62.0 | |
| Oct. 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (18) | N/A | N/A | N/A | 17.5 μg/m3 (63) | 63.0 | |
| Oct. 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 15.1 μg/m3 (58) | 58.0 | |
| Oct. 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 14.8 μg/m3 (57) | 57.0 | |
| Oct. 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 14.7 μg/m3 (57) | 57.0 | |
| Oct. 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 19.6 μg/m3 (67) | 67.0 | |
| Oct. 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 28.6 μg/m3 (86) | 86.0 | |
| Oct. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 34.0 μg/m3 (98) | 98.0 | |
| Oct. 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 34.4 μg/m3 (98) | 98.0 | |
| Oct. 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 29.2 μg/m3 (87) | 87.0 | |
| Oct. 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 19.4 μg/m3 (67) | 67.0 | |
| Oct. 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Oct. 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 18.3 μg/m3 (65) | 65.0 | |
| Oct. 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 23.2 μg/m3 (75) | 75.0 | |
| Oct. 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.2 μg/m3 (69) | 69.0 | |
| Oct. 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 13.8 μg/m3 (55) | 55.0 | |
| Oct. 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 13.9 μg/m3 (55) | 55.0 | |
| Oct. 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 21.2 μg/m3 (71) | 71.0 | |
| Oct. 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 17.3 μg/m3 (62) | 62.0 | |
| Oct. 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 17.2 μg/m3 (62) | 62.0 | |
| Oct. 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 13.4 μg/m3 (54) | 54.0 | |
| Oct. 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 14.1 μg/m3 (56) | 56.0 | |
| Oct. 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
| Oct. 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 10.9 μg/m3 (46) | 46.0 | |
| Oct. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 12.9 μg/m3 (53) | 53.0 | |
| Oct. 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 15.2 μg/m3 (58) | 58.0 | |
| Oct. 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 18.2 μg/m3 (64) | 64.0 | |
| Oct. 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Oct. 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 26.0 μg/m3 (81) | 81.0 | |
| Oct. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 28.3 μg/m3 (86) | 86.0 | |
| Oct. 19, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 39.1 μg/m3 (110) | 110.0 | |
| Oct. 19, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 26.4 μg/m3 (82) | 82.0 | |
| Oct. 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 21.1 μg/m3 (70) | 70.0 | |
| Oct. 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 22.9 μg/m3 (74) | 74.0 | |
| Oct. 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Oct. 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 19.8 μg/m3 (68) | 68.0 | |
| Oct. 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.7 μg/m3 (80) | 80.0 | |
| Oct. 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 22.9 μg/m3 (74) | 74.0 | |
| Oct. 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 21.7 μg/m3 (72) | 72.0 | |
| Oct. 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 16.9 μg/m3 (62) | 62.0 | |
| Oct. 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.5 μg/m3 (52) | 52.0 | |
| Oct. 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.4 μg/m3 (52) | 52.0 | |
| Oct. 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.2 μg/m3 (56) | 56.0 | |
| Oct. 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Oct. 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.8 μg/m3 (29) | 29.0 | |
| Oct. 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Oct. 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.2 μg/m3 (26) | 26.0 | |
| Oct. 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.8 μg/m3 (25) | 25.0 | |
| Oct. 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.2 μg/m3 (26) | 26.0 | |
| Oct. 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Oct. 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.8 μg/m3 (25) | 25.0 | |
| Oct. 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 12.6 μg/m3 (53) | 53.0 | |
| Oct. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 19.2 μg/m3 (66) | 66.0 | |
| Oct. 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 9.9 μg/m3 (42) | 42.0 | |
| Oct. 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.3 μg/m3 (31) | 31.0 |