Grand Cyn (Mather Point Amphitheater) AZ, US: 36.060444, -112.107028
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 21, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -1.3 μg/m3 (0) | 39.0 | |
| Jan. 21, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -1.3 μg/m3 (0) | 39.0 | |
| Jan. 21, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -1.2 μg/m3 (0) | 40.0 | |
| Jan. 21, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -1.1 μg/m3 (0) | 40.0 | |
| Jan. 21, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | -0.7 μg/m3 (0) | 38.0 | |
| Jan. 21, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -0.8 μg/m3 (0) | 37.0 | |
| Jan. 21, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -0.6 μg/m3 (0) | 37.0 | |
| Jan. 21, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -0.6 μg/m3 (0) | 37.0 | |
| Jan. 21, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | -0.2 μg/m3 (0) | 36.0 | |
| Jan. 21, 2022, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 0.0 μg/m3 (0) | 40.0 | |
| Jan. 20, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 0.2 μg/m3 (1) | 39.0 | |
| Jan. 20, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 0.0 μg/m3 (0) | 38.0 | |
| Jan. 20, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | -0.4 μg/m3 (0) | 38.0 | |
| Jan. 20, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | -0.7 μg/m3 (0) | 38.0 | |
| Jan. 20, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | -0.8 μg/m3 (0) | 38.0 | |
| Jan. 20, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -0.9 μg/m3 (0) | 39.0 | |
| Jan. 20, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -0.9 μg/m3 (0) | 39.0 | |
| Jan. 20, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -1.0 μg/m3 (0) | 40.0 | |
| Jan. 20, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -1.3 μg/m3 (0) | 39.0 | |
| Jan. 20, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | -1.2 μg/m3 (0) | 38.0 | |
| Jan. 20, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -1.3 μg/m3 (0) | 37.0 | |
| Jan. 20, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | -1.3 μg/m3 (0) | 38.0 | |
| Jan. 20, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | N/A | -1.2 μg/m3 (0) | 32.0 | |
| Jan. 20, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | -1.2 μg/m3 (0) | 33.0 | |
| Jan. 20, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | -1.2 μg/m3 (0) | 30.0 | |
| Jan. 20, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | N/A | -1.2 μg/m3 (0) | 32.0 | |
| Jan. 20, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.1 μg/m3 (0) | 35.0 | |
| Jan. 20, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -1.1 μg/m3 (0) | 37.0 | |
| Jan. 20, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.0 μg/m3 (0) | 35.0 | |
| Jan. 20, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | -1.1 μg/m3 (0) | 36.0 | |
| Jan. 20, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.0 μg/m3 (0) | 35.0 | |
| Jan. 20, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | -0.9 μg/m3 (0) | 36.0 | |
| Jan. 20, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -0.4 μg/m3 (0) | 35.0 | |
| Jan. 20, 2022, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 0.3 μg/m3 (2) | 35.0 | |
| Jan. 19, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 0.5 μg/m3 (3) | 37.0 | |
| Jan. 19, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 1.2 μg/m3 (5) | 35.0 | |
| Jan. 19, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 1.0 μg/m3 (5) | 33.0 | |
| Jan. 19, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 0.4 μg/m3 (2) | 33.0 | |
| Jan. 19, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | N/A | -0.3 μg/m3 (0) | 31.0 | |
| Jan. 19, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | -0.8 μg/m3 (0) | 33.0 | |
| Jan. 19, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | N/A | -1.2 μg/m3 (0) | 32.0 | |
| Jan. 19, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | -1.1 μg/m3 (0) | 34.0 | |
| Jan. 19, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.4 μg/m3 (0) | 35.0 | |
| Jan. 19, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.4 μg/m3 (0) | 35.0 | |
| Jan. 19, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | -1.4 μg/m3 (0) | 36.0 | |
| Jan. 19, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.3 μg/m3 (0) | 35.0 | |
| Jan. 19, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.5 μg/m3 (0) | 35.0 | |
| Jan. 19, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.5 μg/m3 (0) | 35.0 | |
| Jan. 19, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | N/A | -1.8 μg/m3 (0) | 31.0 | |
| Jan. 19, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | N/A | -2.0 μg/m3 (0) | 32.0 | |
| Jan. 19, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | -1.5 μg/m3 (0) | 36.0 | |
| Jan. 19, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -1.6 μg/m3 (0) | 37.0 | |
| Jan. 19, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -1.7 μg/m3 (0) | 37.0 | |
| Jan. 19, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | -1.7 μg/m3 (0) | 36.0 | |
| Jan. 19, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -1.2 μg/m3 (0) | 35.0 | |
| Jan. 19, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | -1.0 μg/m3 (0) | 33.0 | |
| Jan. 19, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | -1.1 μg/m3 (0) | 34.0 | |
| Jan. 19, 2022, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | N/A | -0.8 μg/m3 (0) | 32.0 | |
| Jan. 18, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | -1.3 μg/m3 (0) | 33.0 | |
| Jan. 18, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | -1.6 μg/m3 (0) | 34.0 | |
| Jan. 18, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | -1.6 μg/m3 (0) | 33.0 | |
| Jan. 18, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -0.8 μg/m3 (0) | 35.0 | |
| Jan. 18, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -0.1 μg/m3 (0) | 37.0 | |
| Jan. 18, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | -0.4 μg/m3 (0) | 38.0 | |
| Jan. 18, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Jan. 18, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | -0.8 μg/m3 (0) | 35.0 | |
| Jan. 18, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -0.4 μg/m3 (0) | 37.0 | |
| Jan. 18, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | -0.7 μg/m3 (0) | 38.0 | |
| Jan. 18, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -0.8 μg/m3 (0) | 39.0 | |
| Jan. 18, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.9 μg/m3 (0) | 40.0 | |
| Jan. 18, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.9 μg/m3 (0) | 40.0 | |
| Jan. 18, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.9 μg/m3 (0) | 40.0 | |
| Jan. 18, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.8 μg/m3 (0) | 40.0 | |
| Jan. 18, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.9 μg/m3 (0) | 40.0 | |
| Jan. 18, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | -0.8 μg/m3 (0) | 38.0 | |
| Jan. 18, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | -0.7 μg/m3 (0) | 38.0 | |
| Jan. 18, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 0.8 μg/m3 (4) | 41.0 | |
| Jan. 18, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 1.1 μg/m3 (5) | 40.0 | |
| Jan. 18, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 1.0 μg/m3 (5) | 39.0 | |
| Jan. 18, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 2.3 μg/m3 (10) | 39.0 | |
| Jan. 18, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 3.9 μg/m3 (17) | 39.0 | |
| Jan. 18, 2022, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 1.2 μg/m3 (5) | 40.0 | |
| Jan. 17, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 1.1 μg/m3 (5) | 43.0 | |
| Jan. 17, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 0.8 μg/m3 (4) | 44.0 | |
| Jan. 17, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 0.6 μg/m3 (3) | 43.0 | |
| Jan. 17, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 0.7 μg/m3 (3) | 42.0 | |
| Jan. 17, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 0.4 μg/m3 (2) | 42.0 | |
| Jan. 17, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 0.1 μg/m3 (1) | 41.0 | |
| Jan. 17, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | -0.2 μg/m3 (0) | 41.0 | |
| Jan. 17, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.3 μg/m3 (0) | 40.0 | |
| Jan. 17, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.7 μg/m3 (0) | 44.0 | |
| Jan. 17, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.7 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.7 μg/m3 (0) | 44.0 | |
| Jan. 17, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.7 μg/m3 (0) | 44.0 | |
| Jan. 17, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.7 μg/m3 (0) | 44.0 | |
| Jan. 17, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.7 μg/m3 (0) | 44.0 | |
| Jan. 17, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.6 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.6 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.6 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.4 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.4 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.3 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.3 μg/m3 (0) | 43.0 | |
| Jan. 17, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 0.0 μg/m3 (0) | 41.0 | |
| Jan. 17, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 0.4 μg/m3 (2) | 39.0 | |
| Jan. 17, 2022, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 0.8 μg/m3 (4) | 38.0 | |
| Jan. 16, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 1.0 μg/m3 (5) | 39.0 | |
| Jan. 16, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 0.7 μg/m3 (3) | 40.0 | |
| Jan. 16, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 0.6 μg/m3 (3) | 40.0 | |
| Jan. 16, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 0.2 μg/m3 (1) | 42.0 | |
| Jan. 16, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.1 μg/m3 (0) | 43.0 | |
| Jan. 16, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.2 μg/m3 (0) | 43.0 | |
| Jan. 16, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.4 μg/m3 (0) | 43.0 | |
| Jan. 16, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.6 μg/m3 (0) | 44.0 | |
| Jan. 16, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.8 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.8 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.8 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.7 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.6 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.6 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | -0.6 μg/m3 (0) | 46.0 | |
| Jan. 16, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.6 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.4 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | -0.4 μg/m3 (0) | 46.0 | |
| Jan. 16, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | -0.3 μg/m3 (0) | 47.0 | |
| Jan. 16, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | -0.3 μg/m3 (0) | 46.0 | |
| Jan. 16, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | -0.3 μg/m3 (0) | 46.0 | |
| Jan. 16, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | -0.3 μg/m3 (0) | 46.0 | |
| Jan. 16, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | -0.1 μg/m3 (0) | 45.0 | |
| Jan. 16, 2022, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 0.2 μg/m3 (1) | 43.0 | |
| Jan. 15, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 0.4 μg/m3 (2) | 43.0 | |
| Jan. 15, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 0.5 μg/m3 (3) | 43.0 | |
| Jan. 15, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 0.3 μg/m3 (2) | 42.0 | |
| Jan. 15, 2022, 8 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 | |
| Jan. 15, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.2 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.3 μg/m3 (0) | 43.0 | |
| Jan. 15, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | -0.5 μg/m3 (0) | 42.0 | |
| Jan. 15, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | -0.7 μg/m3 (0) | 42.0 | |
| Jan. 15, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | -0.8 μg/m3 (0) | 42.0 | |
| Jan. 15, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.8 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.8 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.8 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.7 μg/m3 (0) | 43.0 | |
| Jan. 15, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.7 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.6 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.6 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.6 μg/m3 (0) | 43.0 | |
| Jan. 15, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.5 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.5 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | -0.5 μg/m3 (0) | 44.0 | |
| Jan. 15, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | -0.4 μg/m3 (0) | 43.0 | |
| Jan. 15, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | -0.2 μg/m3 (0) | 42.0 | |
| Jan. 15, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 0.1 μg/m3 (1) | 44.0 | |
| Jan. 15, 2022, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 0.7 μg/m3 (3) | 43.0 | |
| Jan. 14, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 1.1 μg/m3 (5) | 42.0 | |
| Jan. 14, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 0.9 μg/m3 (4) | 40.0 | |
| Jan. 14, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 0.5 μg/m3 (3) | 40.0 | |
| Jan. 14, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 0.2 μg/m3 (1) | 40.0 | |
| Jan. 14, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 0.2 μg/m3 (1) | 38.0 | |
| Jan. 14, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 0.1 μg/m3 (1) | 39.0 | |
| Jan. 14, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.3 μg/m3 (0) | 40.0 | |
| Jan. 14, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.5 μg/m3 (0) | 40.0 | |
| Jan. 14, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | -0.6 μg/m3 (0) | 39.0 | |
| Jan. 14, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.6 μg/m3 (0) | 40.0 | |
| Jan. 14, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.5 μg/m3 (0) | 40.0 | |
| Jan. 14, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | -0.6 μg/m3 (0) | 42.0 | |
| Jan. 14, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | -0.4 μg/m3 (0) | 40.0 | |
| Jan. 14, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | -0.5 μg/m3 (0) | 37.0 |