Wenden (Cholla Rd) AZ, US: 34.243889, -113.558611
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 26, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 25.0 | |
| Feb. 26, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 7.0 μg/m3 (7) | 5.0 μg/m3 (21) | 25.0 | |
| Feb. 26, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 3.0 μg/m3 (3) | 2.0 μg/m3 (9) | 27.0 | |
| Feb. 26, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 28.0 | |
| Feb. 26, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 27.0 | |
| Feb. 26, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 29.0 | |
| Feb. 26, 2021, 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) | 2.0 μg/m3 (9) | 30.0 | |
| Feb. 26, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 35.0 | |
| Feb. 26, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 7.0 μg/m3 (7) | -1.0 μg/m3 (0) | 39.0 | |
| Feb. 26, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 43.0 | |
| Feb. 26, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 43.0 | |
| Feb. 26, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 6.0 μg/m3 (6) | 1.0 μg/m3 (5) | 44.0 | |
| Feb. 26, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 11.0 μg/m3 (11) | 1.0 μg/m3 (5) | 44.0 | |
| Feb. 26, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 44.0 | |
| Feb. 26, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 16.0 μg/m3 (15) | 2.0 μg/m3 (9) | 45.0 | |
| Feb. 25, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 23.0 μg/m3 (22) | 4.0 μg/m3 (17) | 44.0 | |
| Feb. 25, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 24.0 μg/m3 (23) | 5.0 μg/m3 (21) | 44.0 | |
| Feb. 25, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 23.0 μg/m3 (22) | -1.0 μg/m3 (0) | 44.0 | |
| Feb. 25, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 17.0 μg/m3 (16) | 0.0 μg/m3 (0) | 43.0 | |
| Feb. 25, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 42.0 | |
| Feb. 25, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Feb. 25, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 40.0 | |
| Feb. 25, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Feb. 25, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 23.0 μg/m3 (22) | 3.0 μg/m3 (13) | 40.0 | |
| Feb. 25, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 18.0 μg/m3 (17) | 3.0 μg/m3 (13) | 41.0 | |
| Feb. 25, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 41.0 | |
| Feb. 25, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Feb. 25, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 23.0 μg/m3 (22) | 3.0 μg/m3 (13) | 41.0 | |
| Feb. 25, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 34.0 μg/m3 (32) | 5.0 μg/m3 (21) | 41.0 | |
| Feb. 25, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 45.0 μg/m3 (42) | 7.0 μg/m3 (30) | 42.0 | |
| Feb. 25, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 μg/m3 (62) | 7.0 μg/m3 (30) | 62.0 | |
| Feb. 25, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 μg/m3 (60) | 5.0 μg/m3 (21) | 60.0 | |
| Feb. 25, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 3.0 μg/m3 (13) | 13.0 | |
| Feb. 25, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
| Feb. 25, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 4.0 μg/m3 (17) | 17.0 | |
| Feb. 25, 2021, 3 a.m. | 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 | |
| Feb. 25, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | -2.0 μg/m3 (0) | 0.0 | |
| Feb. 25, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 2.0 | |
| Feb. 25, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 5.0 | |
| Feb. 24, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 0.0 μg/m3 (0) | 6.0 | |
| Feb. 24, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 7.0 | |
| Feb. 24, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | -3.0 μg/m3 (0) | 6.0 | |
| Feb. 24, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | -1.0 μg/m3 (0) | 7.0 | |
| Feb. 24, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 7.0 | |
| Feb. 24, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | -1.0 μg/m3 (0) | 12.0 | |
| Feb. 24, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | -1.0 μg/m3 (0) | 11.0 | |
| Feb. 24, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 9.0 μg/m3 (9) | 1.0 μg/m3 (5) | 26.0 | |
| Feb. 24, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 16.0 μg/m3 (15) | 2.0 μg/m3 (9) | 20.0 | |
| Feb. 24, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 11.0 μg/m3 (11) | 2.0 μg/m3 (9) | 18.0 | |
| Feb. 24, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 21.0 | |
| Feb. 24, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 21.0 | |
| Feb. 24, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 21.0 | |
| Feb. 24, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 6.0 μg/m3 (6) | 1.0 μg/m3 (5) | 22.0 | |
| Feb. 24, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 7.0 μg/m3 (7) | -1.0 μg/m3 (0) | 23.0 | |
| Feb. 24, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 23.0 | |
| Feb. 24, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 27.0 | |
| Feb. 24, 2021, 6 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) | 0.0 μg/m3 (0) | 27.0 | |
| Feb. 24, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 3.0 μg/m3 (3) | 1.0 μg/m3 (5) | 30.0 | |
| Feb. 24, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 6.0 μg/m3 (6) | 1.0 μg/m3 (5) | 30.0 | |
| Feb. 24, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 3.0 μg/m3 (3) | 1.0 μg/m3 (5) | 38.0 | |
| Feb. 24, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 3.0 μg/m3 (3) | 0.0 μg/m3 (0) | 40.0 | |
| Feb. 24, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 1.0 μg/m3 (1) | -3.0 μg/m3 (0) | 43.0 | |
| Feb. 24, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 1.0 μg/m3 (1) | -3.0 μg/m3 (0) | 43.0 | |
| Feb. 23, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 5.0 μg/m3 (5) | -1.0 μg/m3 (0) | 43.0 | |
| Feb. 23, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 5.0 μg/m3 (5) | -2.0 μg/m3 (0) | 42.0 | |
| Feb. 23, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | -3.0 μg/m3 (0) | 41.0 | |
| Feb. 23, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -2.0 μg/m3 (0) | 39.0 | |
| Feb. 23, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 0.0 μg/m3 (0) | 37.0 | |
| Feb. 23, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | -1.0 μg/m3 (0) | 30.0 | |
| Feb. 23, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 0.0 μg/m3 (0) | 25.0 | |
| Feb. 23, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 9.0 μg/m3 (9) | 1.0 μg/m3 (5) | 22.0 | |
| Feb. 23, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 19.0 | |
| Feb. 23, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 12.0 μg/m3 (12) | -1.0 μg/m3 (0) | 17.0 | |
| Feb. 23, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 8.0 μg/m3 (8) | -1.0 μg/m3 (0) | 18.0 | |
| Feb. 23, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 8.0 μg/m3 (8) | -2.0 μg/m3 (0) | 19.0 | |
| Feb. 23, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 9.0 μg/m3 (9) | -2.0 μg/m3 (0) | 19.0 | |
| Feb. 23, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 12.0 μg/m3 (12) | 0.0 μg/m3 (0) | 21.0 | |
| Feb. 23, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 6.0 μg/m3 (6) | -1.0 μg/m3 (0) | 21.0 | |
| Feb. 23, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 8.0 μg/m3 (8) | 0.0 μg/m3 (0) | 24.0 | |
| Feb. 23, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 27.0 | |
| Feb. 23, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 9.0 μg/m3 (9) | 2.0 μg/m3 (9) | 28.0 | |
| Feb. 23, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 7.0 μg/m3 (7) | 5.0 μg/m3 (21) | 29.0 | |
| Feb. 23, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 36.0 | |
| Feb. 23, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 9.0 μg/m3 (9) | -1.0 μg/m3 (0) | 40.0 | |
| Feb. 23, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 7.0 μg/m3 (7) | -1.0 μg/m3 (0) | 41.0 | |
| Feb. 23, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 9.0 μg/m3 (9) | 1.0 μg/m3 (5) | 42.0 | |
| Feb. 23, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 44.0 | |
| Feb. 22, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 6.0 μg/m3 (6) | 0.0 μg/m3 (0) | 44.0 | |
| Feb. 22, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 5.0 μg/m3 (5) | 1.0 μg/m3 (5) | 43.0 | |
| Feb. 22, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 41.0 | |
| Feb. 22, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 2.0 μg/m3 (2) | 1.0 μg/m3 (5) | 40.0 | |
| Feb. 22, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 1.0 μg/m3 (1) | -1.0 μg/m3 (0) | 39.0 | |
| Feb. 22, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 3.0 μg/m3 (3) | -1.0 μg/m3 (0) | 38.0 | |
| Feb. 22, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 5.0 μg/m3 (5) | -2.0 μg/m3 (0) | 36.0 | |
| Feb. 22, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 6.0 μg/m3 (6) | -3.0 μg/m3 (0) | 25.0 | |
| Feb. 22, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 22.0 | |
| Feb. 22, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 21.0 | |
| Feb. 22, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 2.0 μg/m3 (2) | 1.0 μg/m3 (5) | 23.0 | |
| Feb. 22, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 5.0 μg/m3 (5) | 1.0 μg/m3 (5) | 22.0 | |
| Feb. 22, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 22.0 | |
| Feb. 22, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 11.0 μg/m3 (11) | 0.0 μg/m3 (0) | 24.0 | |
| Feb. 22, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 7.0 μg/m3 (7) | -2.0 μg/m3 (0) | 26.0 | |
| Feb. 22, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 7.0 μg/m3 (7) | -2.0 μg/m3 (0) | 30.0 | |
| Feb. 22, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 3.0 μg/m3 (3) | -1.0 μg/m3 (0) | 31.0 | |
| Feb. 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 5.0 μg/m3 (5) | -1.0 μg/m3 (0) | 32.0 | |
| Feb. 22, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 8.0 μg/m3 (8) | -1.0 μg/m3 (0) | 36.0 | |
| Feb. 22, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 38.0 | |
| Feb. 22, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 38.0 | |
| Feb. 22, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 9.0 μg/m3 (9) | 0.0 μg/m3 (0) | 39.0 | |
| Feb. 22, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 11.0 μg/m3 (11) | 0.0 μg/m3 (0) | 40.0 | |
| Feb. 22, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 42.0 | |
| Feb. 21, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 44.0 | |
| Feb. 21, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 1.0 μg/m3 (1) | 2.0 μg/m3 (9) | 45.0 | |
| Feb. 21, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 2.0 μg/m3 (2) | 3.0 μg/m3 (13) | 45.0 | |
| Feb. 21, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 3.0 μg/m3 (3) | -2.0 μg/m3 (0) | 43.0 | |
| Feb. 21, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 2.0 μg/m3 (2) | -2.0 μg/m3 (0) | 42.0 | |
| Feb. 21, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 3.0 μg/m3 (3) | -2.0 μg/m3 (0) | 41.0 | |
| Feb. 21, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 39.0 | |
| Feb. 21, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 38.0 | |
| Feb. 21, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 38.0 | |
| Feb. 21, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 7.0 μg/m3 (7) | 2.0 μg/m3 (9) | 33.0 | |
| Feb. 21, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 5.0 μg/m3 (5) | 1.0 μg/m3 (5) | 38.0 | |
| Feb. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 39.0 | |
| Feb. 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 8.0 μg/m3 (8) | -1.0 μg/m3 (0) | 37.0 | |
| Feb. 21, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 9.0 μg/m3 (9) | 2.0 μg/m3 (9) | 38.0 | |
| Feb. 21, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 12.0 μg/m3 (12) | 4.0 μg/m3 (17) | 39.0 | |
| Feb. 21, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 12.0 μg/m3 (12) | 1.0 μg/m3 (5) | 39.0 | |
| Feb. 21, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 13.0 μg/m3 (13) | 0.0 μg/m3 (0) | 40.0 | |
| Feb. 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 40.0 | |
| Feb. 21, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 11.0 μg/m3 (11) | 4.0 μg/m3 (17) | 41.0 | |
| Feb. 21, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 42.0 | |
| Feb. 21, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 18.0 μg/m3 (17) | 1.0 μg/m3 (5) | 43.0 | |
| Feb. 21, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 13.0 μg/m3 (13) | 1.0 μg/m3 (5) | 47.0 | |
| Feb. 21, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 35.0 μg/m3 (33) | 3.0 μg/m3 (13) | 49.0 | |
| Feb. 21, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 46.0 μg/m3 (43) | 6.0 μg/m3 (25) | 49.0 | |
| Feb. 20, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 62.0 μg/m3 (55) | 9.0 μg/m3 (38) | 55.0 | |
| Feb. 20, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 53.0 μg/m3 (50) | 8.0 μg/m3 (34) | 50.0 | |
| Feb. 20, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 48.0 | |
| Feb. 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 20.0 μg/m3 (19) | 3.0 μg/m3 (13) | 47.0 | |
| Feb. 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 19.0 μg/m3 (18) | 1.0 μg/m3 (5) | 40.0 | |
| Feb. 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 19.0 μg/m3 (18) | -2.0 μg/m3 (0) | 34.0 | |
| Feb. 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 8.0 μg/m3 (8) | -1.0 μg/m3 (0) | 33.0 | |
| Feb. 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 13.0 μg/m3 (13) | 1.0 μg/m3 (5) | 27.0 | |
| Feb. 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 13.0 μg/m3 (13) | 0.0 μg/m3 (0) | 22.0 | |
| Feb. 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 12.0 μg/m3 (12) | 1.0 μg/m3 (5) | 19.0 | |
| Feb. 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 6.0 μg/m3 (6) | 1.0 μg/m3 (5) | 20.0 | |
| Feb. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 6.0 μg/m3 (6) | -1.0 μg/m3 (0) | 24.0 | |
| Feb. 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 25.0 | |
| Feb. 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 7.0 μg/m3 (7) | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 16.0 μg/m3 (15) | 4.0 μg/m3 (17) | 22.0 | |
| Feb. 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 16.0 μg/m3 (15) | 4.0 μg/m3 (17) | 25.0 | |
| Feb. 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 16.0 μg/m3 (15) | 1.0 μg/m3 (5) | 25.0 | |
| Feb. 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 26.0 | |
| Feb. 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 29.0 | |
| Feb. 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 7.0 μg/m3 (7) | 3.0 μg/m3 (13) | 32.0 | |
| Feb. 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 32.0 | |
| Feb. 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 9.0 μg/m3 (9) | -1.0 μg/m3 (0) | 39.0 | |
| Feb. 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | -2.0 μg/m3 (0) | 41.0 | |
| Feb. 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -2.0 μg/m3 (0) | 43.0 | |
| Feb. 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 0.0 μg/m3 (0) | 43.0 | |
| Feb. 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 1.0 μg/m3 (5) | 44.0 | |
| Feb. 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 1.0 μg/m3 (5) | 44.0 | |
| Feb. 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 2.0 μg/m3 (9) | 43.0 | |
| Feb. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 0.0 μg/m3 (0) | 37.0 | |
| Feb. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -3.0 μg/m3 (0) | 35.0 | |
| Feb. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | N/A | -1.0 μg/m3 (0) | 32.0 | |
| Feb. 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 1.0 μg/m3 (5) | 29.0 | |
| Feb. 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 1.0 μg/m3 (5) | 24.0 |