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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 11.1 μg/m3 (47) | 48.0 | |
| June 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 11.4 μg/m3 (48) | 48.0 | |
| June 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 12.4 μg/m3 (52) | 52.0 | |
| June 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 13.4 μg/m3 (54) | 54.0 | |
| June 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 12.7 μg/m3 (53) | 53.0 | |
| June 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 12.7 μg/m3 (53) | 53.0 | |
| June 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 12.8 μg/m3 (53) | 53.0 | |
| June 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 12.9 μg/m3 (53) | 53.0 | |
| June 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 12.6 μg/m3 (53) | 53.0 | |
| June 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 12.1 μg/m3 (51) | 51.0 | |
| June 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 11.7 μg/m3 (49) | 49.0 | |
| June 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 11.4 μg/m3 (48) | 48.0 | |
| June 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
| June 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
| June 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
| June 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 11.1 μg/m3 (47) | 47.0 | |
| June 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 11.8 μg/m3 (50) | 50.0 | |
| June 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 11.9 μg/m3 (50) | 50.0 | |
| June 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 11.6 μg/m3 (49) | 49.0 | |
| June 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 11.3 μg/m3 (48) | 48.0 | |
| June 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 11.5 μg/m3 (48) | 48.0 | |
| June 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 11.1 μg/m3 (47) | 47.0 | |
| June 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 11.0 μg/m3 (46) | 47.0 | |
| June 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 11.1 μg/m3 (47) | 47.0 | |
| June 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 11.3 μg/m3 (48) | 48.0 | |
| June 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| June 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 10.3 μg/m3 (43) | 46.0 | |
| June 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 11.5 μg/m3 (48) | 48.0 | |
| June 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 12.1 μg/m3 (51) | 51.0 | |
| June 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
| June 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | N/A | 14.1 μg/m3 (56) | 56.0 | |
| June 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | N/A | 13.7 μg/m3 (55) | 55.0 | |
| June 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| June 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| June 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 14.7 μg/m3 (57) | 57.0 | |
| June 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 14.6 μg/m3 (57) | 57.0 | |
| June 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | N/A | 16.1 μg/m3 (60) | 60.0 | |
| June 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 12.8 μg/m3 (53) | 53.0 | |
| June 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 11.8 μg/m3 (50) | 50.0 | |
| June 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 11.6 μg/m3 (49) | 49.0 | |
| June 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 12.5 μg/m3 (52) | 52.0 | |
| June 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 13.4 μg/m3 (54) | 54.0 | |
| June 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 13.8 μg/m3 (55) | 55.0 | |
| June 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
| June 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 14.2 μg/m3 (56) | 56.0 | |
| June 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 14.4 μg/m3 (56) | 56.0 | |
| June 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 14.1 μg/m3 (56) | 56.0 | |
| June 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 13.5 μg/m3 (54) | 54.0 | |
| June 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 13.5 μg/m3 (54) | 54.0 | |
| June 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 12.6 μg/m3 (53) | 53.0 | |
| June 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 10.9 μg/m3 (46) | 46.0 | |
| June 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 9.6 μg/m3 (40) | 40.0 | |
| June 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 9.3 μg/m3 (39) | 43.0 | |
| June 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 8.4 μg/m3 (36) | 42.0 | |
| June 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 7.7 μg/m3 (33) | 40.0 | |
| June 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 7.4 μg/m3 (31) | 39.0 | |
| June 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 7.2 μg/m3 (31) | 38.0 | |
| June 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 6.8 μg/m3 (29) | 40.0 | |
| June 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 6.5 μg/m3 (28) | 41.0 | |
| June 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 6.1 μg/m3 (26) | 42.0 | |
| June 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 5.9 μg/m3 (25) | 43.0 | |
| June 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 5.7 μg/m3 (24) | 42.0 | |
| June 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 5.4 μg/m3 (23) | 40.0 | |
| June 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 5.4 μg/m3 (23) | 41.0 | |
| June 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 5.4 μg/m3 (23) | 41.0 | |
| June 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 5.4 μg/m3 (23) | 40.0 | |
| June 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 5.5 μg/m3 (23) | 40.0 | |
| June 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 5.9 μg/m3 (25) | 40.0 | |
| June 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 6.9 μg/m3 (29) | 40.0 | |
| June 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 7.4 μg/m3 (31) | 41.0 | |
| June 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 7.9 μg/m3 (33) | 42.0 | |
| June 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 8.0 μg/m3 (34) | 42.0 | |
| June 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 7.6 μg/m3 (32) | 41.0 | |
| June 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 7.0 μg/m3 (30) | 39.0 | |
| June 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 6.2 μg/m3 (26) | 38.0 | |
| June 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 5.7 μg/m3 (24) | 38.0 | |
| June 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 5.6 μg/m3 (24) | 40.0 | |
| June 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 5.3 μg/m3 (23) | 39.0 | |
| June 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 3.6 μg/m3 (16) | 37.0 | |
| June 14, 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 (13) | 35.0 | |
| June 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 2.9 μg/m3 (13) | 34.0 | |
| June 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 2.6 μg/m3 (11) | 34.0 | |
| June 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 2.0 μg/m3 (9) | 37.0 | |
| June 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 1.9 μg/m3 (8) | 35.0 | |
| June 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 1.9 μg/m3 (8) | 37.0 | |
| June 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 1.9 μg/m3 (8) | 39.0 | |
| June 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 2.0 μg/m3 (9) | 40.0 | |
| June 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 2.1 μg/m3 (9) | 40.0 | |
| June 14, 2021, 9 a.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 (9) | 39.0 | |
| June 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 1.9 μg/m3 (8) | 38.0 | |
| June 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 1.9 μg/m3 (8) | 35.0 | |
| June 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 2.1 μg/m3 (9) | 35.0 | |
| June 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 2.5 μg/m3 (11) | 37.0 | |
| June 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 2.7 μg/m3 (12) | 37.0 | |
| June 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 3.5 μg/m3 (15) | 37.0 | |
| June 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 3.6 μg/m3 (16) | 39.0 | |
| June 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 3.5 μg/m3 (15) | 40.0 | |
| June 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 3.5 μg/m3 (15) | 42.0 | |
| June 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 3.9 μg/m3 (17) | 43.0 | |
| June 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 4.1 μg/m3 (18) | 47.0 | |
| June 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 5.3 μg/m3 (23) | 47.0 | |
| June 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 4.9 μg/m3 (21) | 47.0 | |
| June 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | N/A | 4.8 μg/m3 (20) | 50.0 | |
| June 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 4.4 μg/m3 (19) | 49.0 | |
| June 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 3.4 μg/m3 (15) | 47.0 | |
| June 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 2.5 μg/m3 (11) | 42.0 | |
| June 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 2.1 μg/m3 (9) | 40.0 | |
| June 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 1.6 μg/m3 (7) | 39.0 | |
| June 13, 2021, 1 p.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 (5) | 40.0 | |
| June 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 1.2 μg/m3 (5) | 41.0 | |
| June 13, 2021, 11 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 (5) | 40.0 | |
| June 13, 2021, 10 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 (5) | 40.0 | |
| June 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 1.4 μg/m3 (6) | 39.0 | |
| June 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 1.4 μg/m3 (6) | 38.0 | |
| June 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 1.5 μg/m3 (7) | 37.0 | |
| June 13, 2021, 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 (7) | 37.0 | |
| June 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 1.8 μg/m3 (8) | 36.0 | |
| June 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 2.1 μg/m3 (9) | 35.0 | |
| June 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 2.7 μg/m3 (12) | 38.0 | |
| June 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 3.1 μg/m3 (13) | 38.0 | |
| June 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 3.0 μg/m3 (13) | 38.0 | |
| June 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 2.9 μg/m3 (13) | 38.0 | |
| June 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 2.8 μg/m3 (12) | 38.0 | |
| June 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 2.7 μg/m3 (12) | 38.0 | |
| June 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 2.6 μg/m3 (11) | 38.0 | |
| June 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 2.7 μg/m3 (12) | 38.0 | |
| June 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 2.7 μg/m3 (12) | 39.0 | |
| June 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 2.8 μg/m3 (12) | 43.0 | |
| June 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 2.8 μg/m3 (12) | 44.0 | |
| June 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 2.6 μg/m3 (11) | 45.0 | |
| June 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 2.3 μg/m3 (10) | 46.0 | |
| June 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 1.7 μg/m3 (8) | 48.0 | |
| June 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | N/A | 1.5 μg/m3 (7) | 51.0 | |
| June 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | N/A | 1.4 μg/m3 (6) | 55.0 | |
| June 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | N/A | 1.2 μg/m3 (5) | 55.0 | |
| June 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | N/A | 1.3 μg/m3 (6) | 58.0 | |
| June 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | N/A | 1.4 μg/m3 (6) | 58.0 | |
| June 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | N/A | 1.5 μg/m3 (7) | 51.0 | |
| June 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 1.5 μg/m3 (7) | 47.0 | |
| June 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 1.6 μg/m3 (7) | 41.0 | |
| June 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 1.8 μg/m3 (8) | 38.0 | |
| June 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 2.2 μg/m3 (10) | 42.0 | |
| June 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 2.9 μg/m3 (13) | 43.0 | |
| June 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 3.1 μg/m3 (13) | 44.0 | |
| June 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 3.2 μg/m3 (14) | 42.0 | |
| June 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 3.2 μg/m3 (14) | 44.0 | |
| June 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 2.9 μg/m3 (13) | 40.0 | |
| June 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 2.9 μg/m3 (13) | 43.0 | |
| June 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 2.8 μg/m3 (12) | 45.0 | |
| June 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | N/A | 3.0 μg/m3 (13) | 50.0 | |
| June 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | N/A | 2.9 μg/m3 (13) | 58.0 | |
| June 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | N/A | 2.8 μg/m3 (12) | 68.0 | |
| June 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | N/A | 2.6 μg/m3 (11) | 68.0 | |
| June 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | N/A | 2.4 μg/m3 (10) | 68.0 | |
| June 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (74) | N/A | N/A | 2.1 μg/m3 (9) | 74.0 | |
| June 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (84) | N/A | N/A | 1.6 μg/m3 (7) | 84.0 | |
| June 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 ppb (100) | N/A | N/A | 1.2 μg/m3 (5) | 100.0 | |
| June 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 ppb (101) | N/A | N/A | 1.0 μg/m3 (5) | 101.0 | |
| June 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 ppb (94) | N/A | N/A | 1.1 μg/m3 (5) | 94.0 | |
| June 11, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (81) | N/A | N/A | 1.2 μg/m3 (5) | 81.0 | |
| June 11, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | N/A | 1.3 μg/m3 (6) | 68.0 | |
| June 11, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (71) | N/A | N/A | 1.5 μg/m3 (7) | 71.0 | |
| June 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (74) | N/A | N/A | 1.7 μg/m3 (8) | 74.0 | |
| June 11, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (74) | N/A | N/A | 3.7 μg/m3 (16) | 74.0 | |
| June 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (78) | N/A | N/A | 3.8 μg/m3 (16) | 78.0 | |
| June 11, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (78) | N/A | N/A | 3.1 μg/m3 (13) | 78.0 | |
| June 11, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (78) | N/A | N/A | 3.8 μg/m3 (16) | 78.0 |