Aberdeen (Melrose Addition) SD, US: 45.468596, -98.494061
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 24, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.5 μg/m3 (9) | 3.4 μg/m3 (15) | 15.0 | |
| Nov. 24, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.5 μg/m3 (8) | 1.5 μg/m3 (7) | 8.0 | |
| Nov. 24, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.3 μg/m3 (7) | 1.5 μg/m3 (7) | 7.0 | |
| Nov. 24, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.6 μg/m3 (11) | 3.4 μg/m3 (15) | 15.0 | |
| Nov. 24, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.4 μg/m3 (12) | 4.9 μg/m3 (21) | 21.0 | |
| Nov. 24, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.9 μg/m3 (12) | 5.4 μg/m3 (23) | 23.0 | |
| Nov. 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.4 μg/m3 (6) | 5.9 μg/m3 (25) | 25.0 | |
| Nov. 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.9 μg/m3 (11) | 6.1 μg/m3 (26) | 26.0 | |
| Nov. 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.7 μg/m3 (9) | 6.8 μg/m3 (29) | 29.0 | |
| Nov. 24, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.1 μg/m3 (13) | 1.5 μg/m3 (7) | 13.0 | |
| Nov. 24, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.8 μg/m3 (13) | 3.4 μg/m3 (15) | 15.0 | |
| Nov. 24, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.8 μg/m3 (14) | 4.6 μg/m3 (20) | 20.0 | |
| Nov. 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.6 μg/m3 (12) | 2.9 μg/m3 (13) | 13.0 | |
| Nov. 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.3 μg/m3 (16) | 0.7 μg/m3 (3) | 16.0 | |
| Nov. 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.4 μg/m3 (21) | 2.0 μg/m3 (9) | 21.0 | |
| Nov. 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.3 μg/m3 (23) | 2.7 μg/m3 (12) | 23.0 | |
| Nov. 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.2 μg/m3 (27) | 1.0 μg/m3 (5) | 27.0 | |
| Nov. 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.8 μg/m3 (23) | 3.4 μg/m3 (15) | 23.0 | |
| Nov. 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.2 μg/m3 (19) | 2.0 μg/m3 (9) | 19.0 | |
| Nov. 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.9 μg/m3 (21) | -1.1 μg/m3 (0) | 21.0 | |
| Nov. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.5 μg/m3 (10) | 2.9 μg/m3 (13) | 13.0 | |
| Nov. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.6 μg/m3 (13) | 4.9 μg/m3 (21) | 21.0 | |
| Nov. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (3) | 3.7 μg/m3 (16) | 16.0 | |
| Nov. 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.1 μg/m3 (21) | 2.5 μg/m3 (11) | 21.0 | |
| Nov. 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 3.2 μg/m3 (14) | 14.0 | |
| Nov. 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.6 μg/m3 (7) | 4.6 μg/m3 (20) | 20.0 | |
| Nov. 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.4 μg/m3 (5) | 6.6 μg/m3 (28) | 28.0 | |
| Nov. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.8 μg/m3 (8) | 4.9 μg/m3 (21) | 21.0 | |
| Nov. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.1 μg/m3 (7) | 4.1 μg/m3 (18) | 18.0 | |
| Nov. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.9 μg/m3 (6) | -0.9 μg/m3 (0) | 6.0 | |
| Nov. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.8 μg/m3 (16) | 1.2 μg/m3 (5) | 16.0 | |
| Nov. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.7 μg/m3 (9) | 2.4 μg/m3 (10) | 10.0 | |
| Nov. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.2 μg/m3 (9) | 2.7 μg/m3 (12) | 12.0 | |
| Nov. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.3 μg/m3 (34) | 6.6 μg/m3 (28) | 34.0 | |
| Nov. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.1 μg/m3 (14) | 10.7 μg/m3 (45) | 45.0 | |
| Nov. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 5.4 μg/m3 (23) | 32.0 | |
| Nov. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.8 μg/m3 (13) | 5.9 μg/m3 (25) | 25.0 | |
| Nov. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.9 μg/m3 (11) | 5.4 μg/m3 (23) | 23.0 | |
| Nov. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.5 μg/m3 (7) | 2.7 μg/m3 (12) | 12.0 | |
| Nov. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.9 μg/m3 (6) | 1.9 μg/m3 (8) | 8.0 | |
| Nov. 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.3 μg/m3 (8) | 4.4 μg/m3 (19) | 19.0 | |
| Nov. 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.7 μg/m3 (7) | 5.9 μg/m3 (25) | 25.0 | |
| Nov. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.7 μg/m3 (7) | 3.9 μg/m3 (17) | 17.0 | |
| Nov. 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.2 μg/m3 (5) | 4.4 μg/m3 (19) | 19.0 | |
| Nov. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.2 μg/m3 (6) | 5.1 μg/m3 (22) | 22.0 | |
| Nov. 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.3 μg/m3 (15) | 4.9 μg/m3 (21) | 21.0 | |
| Nov. 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.7 μg/m3 (9) | 0.7 μg/m3 (3) | 9.0 | |
| Nov. 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.4 μg/m3 (6) | -1.4 μg/m3 (0) | 6.0 | |
| Nov. 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.7 μg/m3 (6) | -0.4 μg/m3 (0) | 6.0 | |
| Nov. 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.9 μg/m3 (7) | -1.4 μg/m3 (0) | 7.0 | |
| Nov. 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.7 μg/m3 (9) | 0.7 μg/m3 (3) | 9.0 | |
| Nov. 22, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.5 μg/m3 (7) | 4.6 μg/m3 (20) | 20.0 | |
| Nov. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.1 μg/m3 (11) | 5.6 μg/m3 (24) | 24.0 | |
| Nov. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.8 μg/m3 (15) | 0.3 μg/m3 (2) | 15.0 | |
| Nov. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.9 μg/m3 (12) | 2.9 μg/m3 (13) | 13.0 | |
| Nov. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 8.3 μg/m3 (35) | 35.0 | |
| Nov. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.8 μg/m3 (16) | 9.3 μg/m3 (39) | 39.0 | |
| Nov. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m3 (11) | 10.5 μg/m3 (44) | 44.0 | |
| Nov. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.4 μg/m3 (10) | 12.2 μg/m3 (52) | 52.0 | |
| Nov. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m3 (17) | 8.8 μg/m3 (37) | 37.0 | |
| Nov. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.3 μg/m3 (17) | 11.2 μg/m3 (47) | 47.0 | |
| Nov. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.3 μg/m3 (23) | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m3 (17) | 9.7 μg/m3 (41) | 41.0 | |
| Nov. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.8 μg/m3 (24) | 8.3 μg/m3 (35) | 35.0 | |
| Nov. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.1 μg/m3 (22) | 5.4 μg/m3 (23) | 23.0 | |
| Nov. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.8 μg/m3 (14) | 5.6 μg/m3 (24) | 24.0 | |
| Nov. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.7 μg/m3 (20) | 6.3 μg/m3 (27) | 27.0 | |
| Nov. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.8 μg/m3 (16) | 7.0 μg/m3 (30) | 30.0 | |
| Nov. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.1 μg/m3 (17) | 8.6 μg/m3 (36) | 36.0 | |
| Nov. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.7 μg/m3 (19) | 9.5 μg/m3 (40) | 40.0 | |
| Nov. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.8 μg/m3 (16) | 13.4 μg/m3 (54) | 54.0 | |
| Nov. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.5 μg/m3 (17) | 13.9 μg/m3 (55) | 55.0 | |
| Nov. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 13.7 μg/m3 (55) | 55.0 | |
| Nov. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.5 μg/m3 (19) | 13.7 μg/m3 (55) | 55.0 | |
| Nov. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.4 μg/m3 (12) | 17.7 μg/m3 (63) | 63.0 | |
| Nov. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.3 μg/m3 (13) | 11.5 μg/m3 (48) | 48.0 | |
| Nov. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.4 μg/m3 (20) | 5.9 μg/m3 (25) | 25.0 | |
| Nov. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 20.8 μg/m3 (70) | 70.0 | |
| Nov. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.3 μg/m3 (22) | 14.9 μg/m3 (57) | 57.0 | |
| Nov. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.7 μg/m3 (27) | 10.0 μg/m3 (42) | 42.0 | |
| Nov. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.5 μg/m3 (43) | 11.7 μg/m3 (49) | 49.0 | |
| Nov. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 13.4 μg/m3 (54) | 54.0 | |
| Nov. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.2 μg/m3 (19) | 11.5 μg/m3 (48) | 48.0 | |
| Nov. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.2 μg/m3 (27) | 12.2 μg/m3 (52) | 52.0 | |
| Nov. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.2 μg/m3 (17) | 9.7 μg/m3 (41) | 41.0 | |
| Nov. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 8.0 μg/m3 (34) | 34.0 | |
| Nov. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 4.9 μg/m3 (21) | 21.0 | |
| Nov. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.6 μg/m3 (13) | 4.1 μg/m3 (18) | 18.0 | |
| Nov. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.8 μg/m3 (12) | 8.3 μg/m3 (35) | 35.0 | |
| Nov. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.9 μg/m3 (12) | 11.2 μg/m3 (47) | 47.0 | |
| Nov. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.1 μg/m3 (13) | 8.0 μg/m3 (34) | 34.0 | |
| Nov. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.4 μg/m3 (11) | 11.2 μg/m3 (47) | 47.0 | |
| Nov. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.3 μg/m3 (17) | 9.5 μg/m3 (40) | 40.0 | |
| Nov. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.6 μg/m3 (13) | 10.3 μg/m3 (43) | 43.0 | |
| Nov. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.4 μg/m3 (28) | 8.8 μg/m3 (37) | 37.0 | |
| Nov. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.5 μg/m3 (15) | 23.7 μg/m3 (76) | 76.0 | |
| Nov. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.5 μg/m3 (14) | 5.1 μg/m3 (22) | 22.0 | |
| Nov. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 5.6 μg/m3 (24) | 24.0 | |
| Nov. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.3 μg/m3 (7) | 5.9 μg/m3 (25) | 25.0 | |
| Nov. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.9 μg/m3 (7) | 3.7 μg/m3 (16) | 16.0 | |
| Nov. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.9 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
| Nov. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.6 μg/m3 (10) | 5.4 μg/m3 (23) | 23.0 | |
| Nov. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.1 μg/m3 (6) | 7.3 μg/m3 (31) | 31.0 | |
| Nov. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 6.4 μg/m3 (27) | 27.0 | |
| Nov. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 11.7 μg/m3 (49) | 49.0 | |
| Nov. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.9 μg/m3 (19) | 15.6 μg/m3 (59) | 59.0 | |
| Nov. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.5 μg/m3 (25) | 12.9 μg/m3 (53) | 53.0 | |
| Nov. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.2 μg/m3 (26) | 11.5 μg/m3 (48) | 48.0 | |
| Nov. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.1 μg/m3 (30) | 5.9 μg/m3 (25) | 30.0 | |
| Nov. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.3 μg/m3 (33) | 16.4 μg/m3 (61) | 61.0 | |
| Nov. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.8 μg/m3 (23) | 5.6 μg/m3 (24) | 24.0 | |
| Nov. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.3 μg/m3 (22) | 7.8 μg/m3 (33) | 33.0 | |
| Nov. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.1 μg/m3 (22) | 4.8 μg/m3 (20) | 22.0 | |
| Nov. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.1 μg/m3 (14) | 1.0 μg/m3 (5) | 14.0 | |
| Nov. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.7 μg/m3 (10) | 1.7 μg/m3 (8) | 10.0 | |
| Nov. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m3 (10) | -0.2 μg/m3 (0) | 10.0 | |
| Nov. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.9 μg/m3 (11) | 1.4 μg/m3 (6) | 11.0 | |
| Nov. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.8 μg/m3 (18) | 7.3 μg/m3 (31) | 31.0 | |
| Nov. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.2 μg/m3 (43) | 7.3 μg/m3 (31) | 43.0 | |
| Nov. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 7.3 μg/m3 (31) | 31.0 | |
| Nov. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.3 μg/m3 (12) | 2.0 μg/m3 (9) | 12.0 | |
| Nov. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.7 μg/m3 (9) | 3.6 μg/m3 (16) | 16.0 | |
| Nov. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 4.6 μg/m3 (20) | 20.0 | |
| Nov. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.3 μg/m3 (17) | 5.1 μg/m3 (22) | 22.0 | |
| Nov. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.8 μg/m3 (15) | 4.6 μg/m3 (20) | 20.0 | |
| Nov. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.9 μg/m3 (19) | 2.7 μg/m3 (12) | 19.0 | |
| Nov. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 2.9 μg/m3 (13) | 14.0 | |
| Nov. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.2 μg/m3 (19) | 3.7 μg/m3 (16) | 19.0 | |
| Nov. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.2 μg/m3 (36) | 3.4 μg/m3 (15) | 36.0 | |
| Nov. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 61.4 μg/m3 (55) | 6.5 μg/m3 (28) | 55.0 | |
| Nov. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 75.5 μg/m3 (62) | 9.7 μg/m3 (41) | 62.0 | |
| Nov. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 73.1 μg/m3 (60) | 18.7 μg/m3 (65) | 65.0 | |
| Nov. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 103.3 μg/m3 (75) | 8.8 μg/m3 (37) | 75.0 | |
| Nov. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 99.6 μg/m3 (74) | 4.6 μg/m3 (20) | 74.0 | |
| Nov. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 111.3 μg/m3 (79) | 6.0 μg/m3 (25) | 79.0 | |
| Nov. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 61.6 μg/m3 (55) | 10.7 μg/m3 (45) | 55.0 | |
| Nov. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.8 μg/m3 (51) | 4.4 μg/m3 (19) | 51.0 | |
| Nov. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.4 μg/m3 (43) | 6.5 μg/m3 (28) | 43.0 | |
| Nov. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.5 μg/m3 (41) | 4.9 μg/m3 (21) | 41.0 | |
| Nov. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.1 μg/m3 (39) | 6.1 μg/m3 (26) | 39.0 | |
| Nov. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.6 μg/m3 (29) | 6.1 μg/m3 (26) | 29.0 | |
| Nov. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.5 μg/m3 (24) | 5.8 μg/m3 (25) | 25.0 | |
| Nov. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.2 μg/m3 (15) | 7.0 μg/m3 (30) | 30.0 | |
| Nov. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.5 μg/m3 (22) | 3.9 μg/m3 (17) | 22.0 | |
| Nov. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.5 μg/m3 (14) | 2.2 μg/m3 (10) | 14.0 | |
| Nov. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.3 μg/m3 (20) | 0.5 μg/m3 (3) | 20.0 | |
| Nov. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 3.4 μg/m3 (15) | 16.0 | |
| Nov. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.7 μg/m3 (19) | 5.4 μg/m3 (23) | 23.0 | |
| Nov. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.2 μg/m3 (17) | 4.2 μg/m3 (18) | 18.0 | |
| Nov. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.8 μg/m3 (13) | 6.6 μg/m3 (28) | 28.0 | |
| Nov. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.2 μg/m3 (9) | 5.1 μg/m3 (22) | 22.0 | |
| Nov. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.5 μg/m3 (8) | 2.0 μg/m3 (9) | 9.0 | |
| Nov. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.6 μg/m3 (11) | 4.1 μg/m3 (18) | 18.0 | |
| Nov. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.4 μg/m3 (10) | 6.8 μg/m3 (29) | 29.0 | |
| Nov. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.4 μg/m3 (11) | 3.4 μg/m3 (15) | 15.0 | |
| Nov. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m3 (10) | 3.4 μg/m3 (15) | 15.0 | |
| Nov. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.7 μg/m3 (26) | 6.3 μg/m3 (27) | 27.0 | |
| Nov. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.4 μg/m3 (27) | 11.5 μg/m3 (48) | 48.0 | |
| Nov. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.8 μg/m3 (31) | 6.8 μg/m3 (29) | 31.0 | |
| Nov. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.1 μg/m3 (23) | 7.0 μg/m3 (30) | 30.0 | |
| Nov. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.3 μg/m3 (25) | 3.6 μg/m3 (16) | 25.0 | |
| Nov. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.8 μg/m3 (23) | 4.9 μg/m3 (21) | 23.0 | |
| Nov. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 4.9 μg/m3 (21) | 21.0 | |
| Nov. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.8 μg/m3 (22) | 3.7 μg/m3 (16) | 22.0 | |
| Nov. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.1 μg/m3 (28) | 5.6 μg/m3 (24) | 28.0 | |
| Nov. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.9 μg/m3 (11) | 8.8 μg/m3 (37) | 37.0 | |
| Nov. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 6.5 μg/m3 (28) | 28.0 | |
| Nov. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.3 μg/m3 (13) | 6.4 μg/m3 (27) | 27.0 |