Hot Spgs (Prairie Vista Trl) SD, US: 43.557613, -103.483658
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 24, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 8.5 μg/m3 (8) | 2.9 μg/m3 (13) | 31.0 | |
| Nov. 24, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 12.9 μg/m3 (12) | 4.1 μg/m3 (18) | 33.0 | |
| Nov. 24, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 13.1 μg/m3 (13) | 3.8 μg/m3 (16) | 34.0 | |
| Nov. 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 9.9 μg/m3 (10) | 4.5 μg/m3 (19) | 34.0 | |
| Nov. 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 9.9 μg/m3 (10) | 4.5 μg/m3 (19) | 32.0 | |
| Nov. 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 10.0 μg/m3 (10) | 5.5 μg/m3 (23) | 29.0 | |
| Nov. 24, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 10.2 μg/m3 (10) | 1.7 μg/m3 (8) | 32.0 | |
| Nov. 24, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 10.9 μg/m3 (11) | 3.3 μg/m3 (14) | 32.0 | |
| Nov. 24, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 10.7 μg/m3 (10) | 3.8 μg/m3 (16) | 32.0 | |
| Nov. 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 8.2 μg/m3 (8) | 2.9 μg/m3 (13) | 35.0 | |
| Nov. 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 13.9 μg/m3 (13) | 2.6 μg/m3 (11) | 34.0 | |
| Nov. 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 13.9 μg/m3 (13) | 2.2 μg/m3 (10) | 35.0 | |
| Nov. 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 13.2 μg/m3 (13) | 2.6 μg/m3 (11) | 37.0 | |
| Nov. 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 14.9 μg/m3 (14) | 2.2 μg/m3 (10) | 35.0 | |
| Nov. 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 7.8 μg/m3 (8) | 0.7 μg/m3 (3) | 36.0 | |
| Nov. 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 13.0 μg/m3 (13) | 1.2 μg/m3 (5) | 37.0 | |
| Nov. 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 10.7 μg/m3 (10) | 2.0 μg/m3 (9) | 37.0 | |
| Nov. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 8.0 μg/m3 (8) | 0.7 μg/m3 (3) | 36.0 | |
| Nov. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 10.5 μg/m3 (10) | 1.0 μg/m3 (5) | 36.0 | |
| Nov. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 15.4 μg/m3 (15) | -0.2 μg/m3 (0) | 36.0 | |
| Nov. 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 8.5 μg/m3 (8) | -0.4 μg/m3 (0) | 36.0 | |
| Nov. 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 14.6 μg/m3 (14) | 2.0 μg/m3 (9) | 34.0 | |
| Nov. 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 9.4 μg/m3 (9) | 3.8 μg/m3 (16) | 33.0 | |
| Nov. 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 14.4 μg/m3 (14) | 3.9 μg/m3 (17) | 32.0 | |
| Nov. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 8.4 μg/m3 (8) | 3.6 μg/m3 (16) | 32.0 | |
| Nov. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 8.7 μg/m3 (9) | 4.3 μg/m3 (18) | 33.0 | |
| Nov. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 11.2 μg/m3 (11) | 1.5 μg/m3 (7) | 34.0 | |
| Nov. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 8.2 μg/m3 (8) | 0.7 μg/m3 (3) | 34.0 | |
| Nov. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 9.9 μg/m3 (10) | 1.2 μg/m3 (5) | 34.0 | |
| Nov. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 11.9 μg/m3 (12) | 3.1 μg/m3 (13) | 34.0 | |
| Nov. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 5.8 μg/m3 (6) | 4.3 μg/m3 (18) | 34.0 | |
| Nov. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 4.5 μg/m3 (5) | 0.5 μg/m3 (3) | 35.0 | |
| Nov. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 5.5 μg/m3 (6) | 0.0 μg/m3 (0) | 36.0 | |
| Nov. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 4.8 μg/m3 (5) | 2.4 μg/m3 (10) | 36.0 | |
| Nov. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 1.9 μg/m3 (2) | 1.2 μg/m3 (5) | 36.0 | |
| Nov. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 0.4 μg/m3 (1) | 0.0 μg/m3 (0) | 35.0 | |
| Nov. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 0.7 μg/m3 (1) | 1.9 μg/m3 (8) | 36.0 | |
| Nov. 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 3.6 μg/m3 (4) | 1.2 μg/m3 (5) | 38.0 | |
| Nov. 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 4.5 μg/m3 (5) | -0.2 μg/m3 (0) | 37.0 | |
| Nov. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 3.1 μg/m3 (3) | 0.5 μg/m3 (3) | 36.0 | |
| Nov. 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 15.3 μg/m3 (15) | -0.7 μg/m3 (0) | 36.0 | |
| Nov. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 6.8 μg/m3 (7) | -0.9 μg/m3 (0) | 35.0 | |
| Nov. 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 12.2 μg/m3 (12) | 0.5 μg/m3 (3) | 32.0 | |
| Nov. 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 2.6 μg/m3 (3) | 1.9 μg/m3 (8) | 31.0 | |
| Nov. 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 3.5 μg/m3 (4) | 1.7 μg/m3 (8) | 30.0 | |
| Nov. 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 3.8 μg/m3 (4) | 3.1 μg/m3 (13) | 31.0 | |
| Nov. 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 4.0 μg/m3 (4) | 3.6 μg/m3 (16) | 32.0 | |
| Nov. 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 1.9 μg/m3 (2) | 3.1 μg/m3 (13) | 33.0 | |
| Nov. 22, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 4.0 μg/m3 (4) | 3.3 μg/m3 (14) | 33.0 | |
| Nov. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 5.7 μg/m3 (6) | 0.0 μg/m3 (0) | 34.0 | |
| Nov. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 5.3 μg/m3 (5) | 1.2 μg/m3 (5) | 34.0 | |
| Nov. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 7.5 μg/m3 (7) | 1.9 μg/m3 (8) | 33.0 | |
| Nov. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 11.6 μg/m3 (11) | 2.5 μg/m3 (11) | 35.0 | |
| Nov. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 10.9 μg/m3 (11) | 3.6 μg/m3 (16) | 35.0 | |
| Nov. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 4.8 μg/m3 (5) | 4.8 μg/m3 (20) | 35.0 | |
| Nov. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 6.5 μg/m3 (7) | 3.6 μg/m3 (16) | 35.0 | |
| Nov. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 8.5 μg/m3 (8) | 4.1 μg/m3 (18) | 37.0 | |
| Nov. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 1.7 μg/m3 (2) | 3.8 μg/m3 (16) | 37.0 | |
| Nov. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | -1.6 μg/m3 (0) | 1.2 μg/m3 (5) | 35.0 | |
| Nov. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 1.7 μg/m3 (2) | -0.9 μg/m3 (0) | 35.0 | |
| Nov. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 μg/m3 (4) | 4.0 | |
| Nov. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 6.8 μg/m3 (7) | 2.4 μg/m3 (10) | 36.0 | |
| Nov. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 7.5 μg/m3 (7) | 0.2 μg/m3 (1) | 33.0 | |
| Nov. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 8.8 μg/m3 (9) | -1.4 μg/m3 (0) | 33.0 | |
| Nov. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 9.0 μg/m3 (9) | -0.4 μg/m3 (0) | 34.0 | |
| Nov. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 20.0 μg/m3 (19) | -0.7 μg/m3 (0) | 32.0 | |
| Nov. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 31.0 | |
| Nov. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 10.2 μg/m3 (10) | -0.2 μg/m3 (0) | 28.0 | |
| Nov. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 7.2 μg/m3 (7) | -1.9 μg/m3 (0) | 33.0 | |
| Nov. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 5.7 μg/m3 (6) | 0.2 μg/m3 (1) | 34.0 | |
| Nov. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 2.9 μg/m3 (3) | 1.7 μg/m3 (8) | 34.0 | |
| Nov. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 2.9 μg/m3 (3) | 1.5 μg/m3 (7) | 35.0 | |
| Nov. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 5.0 μg/m3 (5) | -0.9 μg/m3 (0) | 34.0 | |
| Nov. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 5.3 μg/m3 (5) | 1.0 μg/m3 (5) | 33.0 | |
| Nov. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 4.3 μg/m3 (4) | 2.5 μg/m3 (11) | 30.0 | |
| Nov. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 6.2 μg/m3 (6) | 2.9 μg/m3 (13) | 30.0 | |
| Nov. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 4.2 μg/m3 (4) | 4.3 μg/m3 (18) | 31.0 | |
| Nov. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 2.4 μg/m3 (3) | 2.5 μg/m3 (11) | 32.0 | |
| Nov. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 2.8 μg/m3 (3) | 2.2 μg/m3 (10) | 32.0 | |
| Nov. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 4.5 μg/m3 (5) | 1.2 μg/m3 (5) | 33.0 | |
| Nov. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 6.5 μg/m3 (7) | 0.2 μg/m3 (1) | 34.0 | |
| Nov. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 7.7 μg/m3 (8) | 0.2 μg/m3 (1) | 34.0 | |
| Nov. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 1.5 μg/m3 (2) | 1.5 μg/m3 (7) | 33.0 | |
| Nov. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | -1.2 μg/m3 (0) | 2.8 μg/m3 (12) | 30.0 | |
| Nov. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | -2.6 μg/m3 (0) | 1.0 μg/m3 (5) | 31.0 | |
| Nov. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | -1.1 μg/m3 (0) | -2.4 μg/m3 (0) | 36.0 | |
| Nov. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 2.1 μg/m3 (2) | -1.4 μg/m3 (0) | 37.0 | |
| Nov. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 4.4 μg/m3 (5) | 0.0 μg/m3 (0) | 36.0 | |
| Nov. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 6.8 μg/m3 (7) | -0.9 μg/m3 (0) | 35.0 | |
| Nov. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 9.8 μg/m3 (10) | 1.2 μg/m3 (5) | 33.0 | |
| Nov. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 9.1 μg/m3 (9) | -0.2 μg/m3 (0) | 33.0 | |
| Nov. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 6.3 μg/m3 (6) | -0.9 μg/m3 (0) | 33.0 | |
| Nov. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 1.4 μg/m3 (2) | -0.4 μg/m3 (0) | 34.0 | |
| Nov. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | -0.2 μg/m3 (0) | -1.2 μg/m3 (0) | 35.0 | |
| Nov. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 1.4 μg/m3 (2) | -0.4 μg/m3 (0) | 35.0 | |
| Nov. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 5.1 μg/m3 (5) | 0.5 μg/m3 (3) | 35.0 | |
| Nov. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 6.5 μg/m3 (7) | 3.6 μg/m3 (16) | 35.0 | |
| Nov. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 6.0 μg/m3 (6) | 4.5 μg/m3 (19) | 35.0 | |
| Nov. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 4.5 μg/m3 (5) | 1.0 μg/m3 (5) | 35.0 | |
| Nov. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 5.8 μg/m3 (6) | 1.2 μg/m3 (5) | 34.0 | |
| Nov. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 1.9 μg/m3 (2) | 0.0 μg/m3 (0) | 35.0 | |
| Nov. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 0.7 μg/m3 (1) | 0.0 μg/m3 (0) | 36.0 | |
| Nov. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 1.2 μg/m3 (2) | 0.5 μg/m3 (3) | 37.0 | |
| Nov. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | -0.4 μg/m3 (0) | 1.4 μg/m3 (6) | 38.0 | |
| Nov. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 0.5 μg/m3 (1) | 1.0 μg/m3 (5) | 38.0 | |
| Nov. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 3.1 μg/m3 (3) | -0.7 μg/m3 (0) | 38.0 | |
| Nov. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 3.6 μg/m3 (4) | 1.0 μg/m3 (5) | 37.0 | |
| Nov. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 5.3 μg/m3 (5) | 0.7 μg/m3 (3) | 37.0 | |
| Nov. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 3.8 μg/m3 (4) | 0.0 μg/m3 (0) | 37.0 | |
| Nov. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 8.3 μg/m3 (8) | 0.9 μg/m3 (4) | 37.0 | |
| Nov. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 12.2 μg/m3 (12) | 0.5 μg/m3 (3) | 36.0 | |
| Nov. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 8.0 μg/m3 (8) | -3.1 μg/m3 (0) | 37.0 | |
| Nov. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 7.5 μg/m3 (7) | -1.7 μg/m3 (0) | 35.0 | |
| Nov. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 4.8 μg/m3 (5) | 0.9 μg/m3 (4) | 35.0 | |
| Nov. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 5.6 μg/m3 (6) | 0.7 μg/m3 (3) | 32.0 | |
| Nov. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 6.3 μg/m3 (6) | 1.5 μg/m3 (7) | 32.0 | |
| Nov. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 5.1 μg/m3 (5) | 0.7 μg/m3 (3) | 33.0 | |
| Nov. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 3.1 μg/m3 (3) | -1.1 μg/m3 (0) | 33.0 | |
| Nov. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 3.1 μg/m3 (3) | 0.2 μg/m3 (1) | 34.0 | |
| Nov. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 4.8 μg/m3 (5) | 0.7 μg/m3 (3) | 33.0 | |
| Nov. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 6.3 μg/m3 (6) | -0.9 μg/m3 (0) | 31.0 | |
| Nov. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 10.4 μg/m3 (10) | 1.0 μg/m3 (5) | 30.0 | |
| Nov. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 8.0 μg/m3 (8) | 1.7 μg/m3 (8) | 27.0 | |
| Nov. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 12.7 μg/m3 (12) | 1.2 μg/m3 (5) | 25.0 | |
| Nov. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 13.4 μg/m3 (13) | 2.2 μg/m3 (10) | 26.0 | |
| Nov. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 11.9 μg/m3 (12) | 1.2 μg/m3 (5) | 26.0 | |
| Nov. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 17.0 μg/m3 (16) | 3.1 μg/m3 (13) | 28.0 | |
| Nov. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 11.4 μg/m3 (11) | 3.3 μg/m3 (14) | 28.0 | |
| Nov. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 11.4 μg/m3 (11) | -1.4 μg/m3 (0) | 28.0 | |
| Nov. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 9.2 μg/m3 (9) | -0.9 μg/m3 (0) | 29.0 | |
| Nov. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 9.3 μg/m3 (9) | 0.0 μg/m3 (0) | 29.0 | |
| Nov. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 9.0 μg/m3 (9) | 1.4 μg/m3 (6) | 30.0 | |
| Nov. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 8.5 μg/m3 (8) | 1.4 μg/m3 (6) | 30.0 | |
| Nov. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 11.4 μg/m3 (11) | 0.2 μg/m3 (1) | 30.0 | |
| Nov. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 6.8 μg/m3 (7) | -1.7 μg/m3 (0) | 29.0 | |
| Nov. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 6.3 μg/m3 (6) | -0.4 μg/m3 (0) | 30.0 | |
| Nov. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 6.6 μg/m3 (7) | 1.2 μg/m3 (5) | 30.0 | |
| Nov. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 8.7 μg/m3 (9) | -1.7 μg/m3 (0) | 29.0 | |
| Nov. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 6.3 μg/m3 (6) | -0.2 μg/m3 (0) | 29.0 | |
| Nov. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 8.5 μg/m3 (8) | 0.5 μg/m3 (3) | 29.0 | |
| Nov. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 12.2 μg/m3 (12) | 0.2 μg/m3 (1) | 30.0 | |
| Nov. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 7.7 μg/m3 (8) | 0.4 μg/m3 (2) | 29.0 | |
| Nov. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 7.2 μg/m3 (7) | -1.7 μg/m3 (0) | 29.0 | |
| Nov. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 4.5 μg/m3 (5) | -1.4 μg/m3 (0) | 29.0 | |
| Nov. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 3.5 μg/m3 (4) | 0.0 μg/m3 (0) | 29.0 | |
| Nov. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 5.3 μg/m3 (5) | 1.5 μg/m3 (7) | 29.0 | |
| Nov. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 5.0 μg/m3 (5) | 0.2 μg/m3 (1) | 30.0 | |
| Nov. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 6.3 μg/m3 (6) | 1.0 μg/m3 (5) | 32.0 | |
| Nov. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 9.5 μg/m3 (9) | 1.0 μg/m3 (5) | 32.0 | |
| Nov. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 7.7 μg/m3 (8) | 0.2 μg/m3 (1) | 32.0 | |
| Nov. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 7.5 μg/m3 (7) | -0.7 μg/m3 (0) | 33.0 | |
| Nov. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 5.0 μg/m3 (5) | -3.9 μg/m3 (0) | 33.0 | |
| Nov. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 2.8 μg/m3 (3) | -1.9 μg/m3 (0) | 34.0 | |
| Nov. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 4.8 μg/m3 (5) | 0.2 μg/m3 (1) | 33.0 | |
| Nov. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 7.0 μg/m3 (7) | 0.5 μg/m3 (3) | 32.0 | |
| Nov. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 2.6 μg/m3 (3) | 0.7 μg/m3 (3) | 33.0 | |
| Nov. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 4.1 μg/m3 (4) | 1.4 μg/m3 (6) | 34.0 | |
| Nov. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 6.3 μg/m3 (6) | 1.0 μg/m3 (5) | 35.0 | |
| Nov. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 4.3 μg/m3 (4) | -1.4 μg/m3 (0) | 35.0 | |
| Nov. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 4.1 μg/m3 (4) | 0.0 μg/m3 (0) | 34.0 | |
| Nov. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 3.6 μg/m3 (4) | 1.2 μg/m3 (5) | 33.0 | |
| Nov. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 1.8 μg/m3 (2) | 2.8 μg/m3 (12) | 33.0 | |
| Nov. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 3.9 μg/m3 (4) | 0.9 μg/m3 (4) | 31.0 | |
| Nov. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 8.3 μg/m3 (8) | 0.0 μg/m3 (0) | 30.0 | |
| Nov. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 13.9 μg/m3 (13) | 0.2 μg/m3 (1) | 30.0 | |
| Nov. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 4.6 μg/m3 (5) | -0.4 μg/m3 (0) | 29.0 | |
| Nov. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 4.8 μg/m3 (5) | 1.5 μg/m3 (7) | 30.0 | |
| Nov. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 7.0 μg/m3 (7) | 3.1 μg/m3 (13) | 33.0 |