Saint Joseph (Missouri Hwy 759) MO, US: 39.741667, -94.858333
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 10.1 μg/m3 (43) | 43.0 | |
| Sept. 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 9.2 μg/m3 (39) | 39.0 | |
| Sept. 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 9.1 μg/m3 (38) | 38.0 | |
| Sept. 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 7.2 μg/m3 (31) | 41.0 | |
| Sept. 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (49) | 7.6 μg/m3 (32) | 49.0 | |
| Sept. 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 9.1 μg/m3 (38) | 41.0 | |
| Sept. 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 7.6 μg/m3 (32) | 40.0 | |
| Sept. 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.3 μg/m3 (43) | 43.0 | |
| Sept. 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 8.8 μg/m3 (37) | 44.0 | |
| Sept. 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 8.8 μg/m3 (37) | 52.0 | |
| Sept. 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 μg/m3 (50) | 8.4 μg/m3 (36) | 50.0 | |
| Sept. 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 μg/m3 (52) | 8.9 μg/m3 (38) | 52.0 | |
| Sept. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 8.8 μg/m3 (37) | 42.0 | |
| Sept. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 5.3 μg/m3 (23) | 27.0 | |
| Sept. 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 5.3 μg/m3 (23) | 24.0 | |
| Sept. 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 4.5 μg/m3 (19) | 21.0 | |
| Sept. 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 5.2 μg/m3 (22) | 25.0 | |
| Sept. 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 6.9 μg/m3 (29) | 29.0 | |
| Sept. 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 5.1 μg/m3 (22) | 41.0 | |
| Sept. 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 82.0 μg/m3 (65) | 6.7 μg/m3 (28) | 65.0 | |
| Sept. 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 7.6 μg/m3 (32) | 45.0 | |
| Sept. 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 6.7 μg/m3 (28) | 40.0 | |
| Sept. 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 6.0 μg/m3 (25) | 36.0 | |
| Sept. 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 5.7 μg/m3 (24) | 36.0 | |
| Sept. 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 5.6 μg/m3 (24) | 42.0 | |
| Sept. 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 6.3 μg/m3 (27) | 38.0 | |
| Sept. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 4.4 μg/m3 (19) | 41.0 | |
| Sept. 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 4.2 μg/m3 (18) | 36.0 | |
| Sept. 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 6.1 μg/m3 (26) | 45.0 | |
| Sept. 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 6.1 μg/m3 (26) | 31.0 | |
| Sept. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 8.4 μg/m3 (36) | 38.0 | |
| Sept. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 7.2 μg/m3 (31) | 31.0 | |
| Sept. 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 6.1 μg/m3 (26) | 41.0 | |
| Sept. 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 5.9 μg/m3 (25) | 38.0 | |
| Sept. 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 10.2 μg/m3 (43) | 43.0 | |
| Sept. 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 μg/m3 (51) | 8.3 μg/m3 (35) | 51.0 | |
| Sept. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 5.4 μg/m3 (23) | 43.0 | |
| Sept. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 8.3 μg/m3 (35) | 35.0 | |
| Sept. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 7.5 μg/m3 (32) | 32.0 | |
| Sept. 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 6.8 μg/m3 (29) | 29.0 | |
| Sept. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 7.0 μg/m3 (30) | 30.0 | |
| Sept. 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 11.2 μg/m3 (47) | 47.0 | |
| Sept. 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 16.2 μg/m3 (60) | 60.0 | |
| Sept. 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 12.5 μg/m3 (52) | 52.0 | |
| Sept. 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 12.3 μg/m3 (52) | 52.0 | |
| Sept. 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 11.1 μg/m3 (47) | 47.0 | |
| Sept. 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 11.3 μg/m3 (48) | 48.0 | |
| Sept. 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 9.2 μg/m3 (39) | 39.0 | |
| Sept. 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 9.7 μg/m3 (41) | 41.0 | |
| Sept. 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 9.2 μg/m3 (39) | 39.0 | |
| Sept. 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 7.4 μg/m3 (31) | 31.0 | |
| Sept. 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 6.6 μg/m3 (28) | 28.0 | |
| Sept. 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 4.7 μg/m3 (20) | 39.0 | |
| Sept. 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 5.9 μg/m3 (25) | 41.0 | |
| Sept. 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 8.6 μg/m3 (36) | 36.0 | |
| Sept. 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 μg/m3 (51) | 11.2 μg/m3 (47) | 51.0 | |
| Sept. 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 μg/m3 (61) | 17.2 μg/m3 (62) | 62.0 | |
| Sept. 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (46) | 9.5 μg/m3 (40) | 46.0 | |
| Sept. 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 μg/m3 (52) | 7.2 μg/m3 (31) | 52.0 | |
| Sept. 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 10.2 μg/m3 (43) | 43.0 | |
| Sept. 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 10.7 μg/m3 (45) | 45.0 | |
| Sept. 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 7.4 μg/m3 (31) | 31.0 | |
| Sept. 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 8.7 μg/m3 (37) | 37.0 | |
| Sept. 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 7.5 μg/m3 (32) | 32.0 | |
| Sept. 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 7.6 μg/m3 (32) | 32.0 | |
| Sept. 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 8.6 μg/m3 (36) | 37.0 | |
| Sept. 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.9 μg/m3 (46) | 46.0 | |
| Sept. 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 10.7 μg/m3 (45) | 45.0 | |
| Sept. 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (50) | 11.2 μg/m3 (47) | 50.0 | |
| Sept. 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (46) | 9.8 μg/m3 (41) | 46.0 | |
| Sept. 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (54) | 10.6 μg/m3 (45) | 54.0 | |
| Sept. 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 76.0 μg/m3 (62) | 11.8 μg/m3 (50) | 62.0 | |
| Sept. 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 104.0 μg/m3 (76) | 12.4 μg/m3 (52) | 76.0 | |
| Sept. 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 124.0 μg/m3 (86) | 12.0 μg/m3 (50) | 86.0 | |
| Sept. 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 μg/m3 (74) | 15.0 μg/m3 (58) | 74.0 | |
| Sept. 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 106.0 μg/m3 (77) | 15.6 μg/m3 (59) | 77.0 | |
| Sept. 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 90.0 μg/m3 (69) | 10.8 μg/m3 (46) | 69.0 | |
| Sept. 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 97.0 μg/m3 (72) | 11.2 μg/m3 (47) | 72.0 | |
| Sept. 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 μg/m3 (55) | 13.0 μg/m3 (53) | 55.0 | |
| Sept. 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 μg/m3 (53) | 12.2 μg/m3 (52) | 53.0 | |
| Sept. 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 11.6 μg/m3 (49) | 49.0 | |
| Sept. 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 10.2 μg/m3 (43) | 43.0 | |
| Sept. 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 10.9 μg/m3 (46) | 46.0 | |
| Sept. 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 9.3 μg/m3 (39) | 39.0 | |
| Sept. 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 16.0 μg/m3 (60) | 60.0 | |
| Sept. 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 10.9 μg/m3 (46) | 46.0 | |
| Sept. 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 12.3 μg/m3 (52) | 52.0 | |
| Sept. 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 11.6 μg/m3 (49) | 49.0 | |
| Sept. 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 12.1 μg/m3 (51) | 51.0 | |
| Sept. 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 11.4 μg/m3 (48) | 48.0 | |
| Sept. 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 10.9 μg/m3 (46) | 46.0 | |
| Sept. 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (47) | 10.1 μg/m3 (43) | 47.0 | |
| Sept. 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 9.4 μg/m3 (40) | 41.0 | |
| Sept. 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.7 μg/m3 (45) | 45.0 | |
| Sept. 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 12.1 μg/m3 (51) | 51.0 | |
| Sept. 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 8.5 μg/m3 (36) | 40.0 | |
| Sept. 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 11.8 μg/m3 (50) | 50.0 | |
| Sept. 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 9.7 μg/m3 (41) | 41.0 | |
| Sept. 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 6.6 μg/m3 (28) | 31.0 | |
| Sept. 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 8.1 μg/m3 (34) | 36.0 | |
| Sept. 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 5.9 μg/m3 (25) | 42.0 | |
| Sept. 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 11.6 μg/m3 (49) | 49.0 | |
| Sept. 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 5.5 μg/m3 (23) | 28.0 | |
| Sept. 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 17.7 μg/m3 (63) | 63.0 | |
| Sept. 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 14.7 μg/m3 (57) | 57.0 | |
| Sept. 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 8.7 μg/m3 (37) | 37.0 | |
| Sept. 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 9.9 μg/m3 (42) | 42.0 | |
| Sept. 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (47) | 9.9 μg/m3 (42) | 47.0 | |
| Sept. 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 12.5 μg/m3 (52) | 52.0 | |
| Sept. 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 μg/m3 (52) | 9.7 μg/m3 (41) | 52.0 | |
| Sept. 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 μg/m3 (55) | 14.9 μg/m3 (57) | 57.0 | |
| Sept. 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 69.0 μg/m3 (58) | 14.7 μg/m3 (57) | 58.0 | |
| Sept. 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 μg/m3 (54) | 13.1 μg/m3 (54) | 54.0 | |
| Sept. 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 μg/m3 (55) | 12.8 μg/m3 (53) | 55.0 | |
| Sept. 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 μg/m3 (58) | 8.6 μg/m3 (36) | 58.0 | |
| Sept. 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 μg/m3 (60) | 11.8 μg/m3 (50) | 60.0 | |
| Sept. 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 μg/m3 (61) | 10.5 μg/m3 (44) | 61.0 | |
| Sept. 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 μg/m3 (56) | 10.3 μg/m3 (43) | 56.0 | |
| Sept. 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (50) | 9.2 μg/m3 (39) | 50.0 | |
| Sept. 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 μg/m3 (48) | 10.4 μg/m3 (44) | 48.0 | |
| Sept. 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (49) | 11.7 μg/m3 (49) | 49.0 | |
| Sept. 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 10.9 μg/m3 (46) | 46.0 | |
| Sept. 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 8.6 μg/m3 (36) | 43.0 | |
| Sept. 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 10.7 μg/m3 (45) | 45.0 | |
| Sept. 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | 0.0 μg/m3 (0) | 2.0 | |
| Sept. 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 0.0 | |
| Sept. 11, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 11.3 μg/m3 (48) | 48.0 | |
| Sept. 11, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 μg/m3 (48) | 11.3 μg/m3 (48) | 48.0 | |
| Sept. 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 13.3 μg/m3 (54) | 54.0 | |
| Sept. 11, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (54) | 16.0 μg/m3 (60) | 60.0 | |
| Sept. 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (55) | 16.4 μg/m3 (61) | 61.0 | |
| Sept. 11, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (53) | 17.1 μg/m3 (62) | 62.0 | |
| Sept. 11, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 μg/m3 (54) | 17.6 μg/m3 (63) | 63.0 | |
| Sept. 11, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 μg/m3 (60) | 17.4 μg/m3 (63) | 63.0 | |
| Sept. 11, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 78.0 μg/m3 (63) | 16.6 μg/m3 (61) | 63.0 | |
| Sept. 11, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 μg/m3 (58) | 15.1 μg/m3 (58) | 58.0 | |
| Sept. 10, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 μg/m3 (56) | 12.1 μg/m3 (51) | 56.0 | |
| Sept. 10, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (55) | 13.8 μg/m3 (55) | 55.0 | |
| Sept. 10, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (54) | 10.7 μg/m3 (45) | 54.0 | |
| Sept. 10, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 μg/m3 (54) | 11.4 μg/m3 (48) | 54.0 | |
| Sept. 10, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (53) | 11.1 μg/m3 (47) | 53.0 | |
| Sept. 10, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (50) | 10.1 μg/m3 (43) | 50.0 | |
| Sept. 10, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (47) | 8.7 μg/m3 (37) | 47.0 | |
| Sept. 10, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 9.1 μg/m3 (38) | 43.0 | |
| Sept. 10, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (50) | 11.9 μg/m3 (50) | 50.0 | |
| Sept. 10, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 μg/m3 (56) | 9.0 μg/m3 (38) | 56.0 | |
| Sept. 10, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 μg/m3 (56) | 8.0 μg/m3 (34) | 56.0 | |
| Sept. 10, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 6.5 μg/m3 (28) | 45.0 | |
| Sept. 10, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 6.1 μg/m3 (26) | 34.0 | |
| Sept. 10, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 6.5 μg/m3 (28) | 33.0 | |
| Sept. 10, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 6.8 μg/m3 (29) | 31.0 | |
| Sept. 10, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 5.6 μg/m3 (24) | 31.0 | |
| Sept. 10, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 7.2 μg/m3 (31) | 33.0 | |
| Sept. 10, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 5.9 μg/m3 (25) | 37.0 | |
| Sept. 10, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 6.7 μg/m3 (28) | 41.0 | |
| Sept. 10, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 6.9 μg/m3 (29) | 44.0 | |
| Sept. 10, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (46) | 6.3 μg/m3 (27) | 46.0 | |
| Sept. 10, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 4.8 μg/m3 (20) | 41.0 | |
| Sept. 10, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 5.5 μg/m3 (23) | 45.0 | |
| Sept. 10, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 7.4 μg/m3 (31) | 43.0 |