Mammoth Lakes (Mill City) CA, US: 37.645718, -118.966515
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 7, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.9 μg/m3 (12) | 5.9 μg/m3 (25) | 25.0 | |
| March 7, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.7 μg/m3 (8) | 3.6 μg/m3 (16) | 16.0 | |
| March 7, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.8 μg/m3 (9) | 3.9 μg/m3 (17) | 17.0 | |
| March 7, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.5 μg/m3 (12) | 6.7 μg/m3 (28) | 28.0 | |
| March 7, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.6 μg/m3 (22) | 15.1 μg/m3 (58) | 58.0 | |
| March 7, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 22.2 μg/m3 (73) | 73.0 | |
| March 7, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.9 μg/m3 (51) | 35.2 μg/m3 (100) | 100.0 | |
| March 7, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 73.4 μg/m3 (61) | 47.2 μg/m3 (130) | 130.0 | |
| March 7, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 51.5 μg/m3 (48) | 31.2 μg/m3 (92) | 92.0 | |
| March 7, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.9 μg/m3 (33) | 20.9 μg/m3 (70) | 70.0 | |
| March 7, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 10.1 μg/m3 (43) | 43.0 | |
| March 7, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.3 μg/m3 (18) | 8.7 μg/m3 (37) | 37.0 | |
| March 7, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.1 μg/m3 (17) | 7.7 μg/m3 (33) | 33.0 | |
| March 7, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.2 μg/m3 (15) | 5.8 μg/m3 (25) | 25.0 | |
| March 6, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.6 μg/m3 (14) | 5.4 μg/m3 (23) | 23.0 | |
| March 6, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m3 (13) | 5.1 μg/m3 (22) | 22.0 | |
| March 6, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.2 μg/m3 (17) | 5.8 μg/m3 (25) | 25.0 | |
| March 6, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.1 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| March 6, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.2 μg/m3 (18) | 6.4 μg/m3 (27) | 27.0 | |
| March 6, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m3 (17) | 6.5 μg/m3 (28) | 28.0 | |
| March 6, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 7.8 μg/m3 (33) | 33.0 | |
| March 6, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.4 μg/m3 (22) | 8.9 μg/m3 (38) | 38.0 | |
| March 6, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.9 μg/m3 (24) | 8.7 μg/m3 (37) | 37.0 | |
| March 6, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.7 μg/m3 (32) | 10.1 μg/m3 (43) | 43.0 | |
| March 6, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 μg/m3 (60) | 11.8 μg/m3 (50) | 60.0 | |
| March 6, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.7 μg/m3 (38) | 12.2 μg/m3 (52) | 52.0 | |
| March 6, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.7 μg/m3 (36) | 10.9 μg/m3 (46) | 46.0 | |
| March 6, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.2 μg/m3 (23) | 8.7 μg/m3 (37) | 37.0 | |
| March 6, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.2 μg/m3 (28) | 8.1 μg/m3 (34) | 34.0 | |
| March 6, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.1 μg/m3 (39) | 7.3 μg/m3 (31) | 39.0 | |
| March 6, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.6 μg/m3 (33) | 7.3 μg/m3 (31) | 33.0 | |
| March 6, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.3 μg/m3 (26) | 8.2 μg/m3 (35) | 35.0 | |
| March 6, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.2 μg/m3 (21) | 7.5 μg/m3 (32) | 32.0 | |
| March 6, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.8 μg/m3 (19) | 8.3 μg/m3 (35) | 35.0 | |
| March 6, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.9 μg/m3 (16) | 6.2 μg/m3 (26) | 26.0 | |
| March 6, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.4 μg/m3 (18) | 6.7 μg/m3 (28) | 28.0 | |
| March 6, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m3 (17) | 7.0 μg/m3 (30) | 30.0 | |
| March 6, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.4 μg/m3 (18) | 5.4 μg/m3 (23) | 23.0 | |
| March 5, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.9 μg/m3 (16) | 4.8 μg/m3 (20) | 20.0 | |
| March 5, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.6 μg/m3 (16) | 4.7 μg/m3 (20) | 20.0 | |
| March 5, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.7 μg/m3 (15) | 4.3 μg/m3 (18) | 18.0 | |
| March 5, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.8 μg/m3 (15) | 4.3 μg/m3 (18) | 18.0 | |
| March 5, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.3 μg/m3 (17) | 4.4 μg/m3 (19) | 19.0 | |
| March 5, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.6 μg/m3 (16) | 4.8 μg/m3 (20) | 20.0 | |
| March 5, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 5.8 μg/m3 (25) | 25.0 | |
| March 5, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.7 μg/m3 (45) | 16.2 μg/m3 (60) | 60.0 | |
| March 5, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (54) | 28.3 μg/m3 (86) | 86.0 | |
| March 5, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 14.9 μg/m3 (57) | 57.0 | |
| March 5, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.6 μg/m3 (18) | 9.3 μg/m3 (39) | 39.0 | |
| March 5, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.6 μg/m3 (20) | 10.8 μg/m3 (46) | 46.0 | |
| March 5, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.8 μg/m3 (25) | 15.3 μg/m3 (58) | 58.0 | |
| March 5, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.5 μg/m3 (28) | 16.3 μg/m3 (60) | 60.0 | |
| March 5, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.4 μg/m3 (32) | 17.9 μg/m3 (64) | 64.0 | |
| March 5, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 27.6 μg/m3 (84) | 84.0 | |
| March 5, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 29.0 μg/m3 (87) | 87.0 | |
| March 5, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (49) | 31.1 μg/m3 (91) | 91.0 | |
| March 5, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 68.8 μg/m3 (58) | 42.4 μg/m3 (118) | 118.0 | |
| March 5, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.5 μg/m3 (56) | 37.4 μg/m3 (106) | 106.0 | |
| March 5, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.5 μg/m3 (25) | 12.5 μg/m3 (52) | 52.0 | |
| March 5, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.6 μg/m3 (24) | 11.3 μg/m3 (48) | 48.0 | |
| March 5, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.2 μg/m3 (23) | 10.0 μg/m3 (42) | 42.0 | |
| March 5, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.4 μg/m3 (17) | 5.6 μg/m3 (24) | 24.0 | |
| March 4, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 4.3 μg/m3 (18) | 18.0 | |
| March 4, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.3 μg/m3 (15) | 4.0 μg/m3 (17) | 17.0 | |
| March 4, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m3 (13) | 4.2 μg/m3 (18) | 18.0 | |
| March 4, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.7 μg/m3 (14) | 4.3 μg/m3 (18) | 18.0 | |
| March 4, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.2 μg/m3 (14) | 4.4 μg/m3 (19) | 19.0 | |
| March 4, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m3 (17) | 4.9 μg/m3 (21) | 21.0 | |
| March 4, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.2 μg/m3 (20) | 5.1 μg/m3 (22) | 22.0 | |
| March 4, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.7 μg/m3 (34) | 11.8 μg/m3 (50) | 50.0 | |
| March 4, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.3 μg/m3 (54) | 28.7 μg/m3 (86) | 86.0 | |
| March 4, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 17.7 μg/m3 (63) | 63.0 | |
| March 4, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.4 μg/m3 (28) | 15.0 μg/m3 (58) | 58.0 | |
| March 4, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 15.1 μg/m3 (58) | 58.0 | |
| March 4, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.9 μg/m3 (22) | 11.2 μg/m3 (47) | 47.0 | |
| March 4, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.2 μg/m3 (20) | 8.6 μg/m3 (36) | 36.0 | |
| March 4, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 8.3 μg/m3 (35) | 35.0 | |
| March 4, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.3 μg/m3 (17) | 7.9 μg/m3 (33) | 33.0 | |
| March 4, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.6 μg/m3 (19) | 8.9 μg/m3 (38) | 38.0 | |
| March 4, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.3 μg/m3 (30) | 17.2 μg/m3 (62) | 62.0 | |
| March 4, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.7 μg/m3 (35) | 19.8 μg/m3 (68) | 68.0 | |
| March 4, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 14.2 μg/m3 (56) | 56.0 | |
| March 4, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.7 μg/m3 (21) | 8.4 μg/m3 (36) | 36.0 | |
| March 4, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.1 μg/m3 (20) | 7.5 μg/m3 (32) | 32.0 | |
| March 4, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.3 μg/m3 (21) | 5.7 μg/m3 (24) | 24.0 | |
| March 4, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.3 μg/m3 (19) | 4.2 μg/m3 (18) | 19.0 | |
| March 3, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.6 μg/m3 (17) | 3.8 μg/m3 (16) | 17.0 | |
| March 3, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.8 μg/m3 (21) | 4.4 μg/m3 (19) | 21.0 | |
| March 3, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.1 μg/m3 (17) | 3.9 μg/m3 (17) | 17.0 | |
| March 3, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.3 μg/m3 (18) | 3.9 μg/m3 (17) | 18.0 | |
| March 3, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.1 μg/m3 (19) | 3.8 μg/m3 (16) | 19.0 | |
| March 3, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.2 μg/m3 (16) | 3.7 μg/m3 (16) | 16.0 | |
| March 3, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.8 μg/m3 (20) | 5.7 μg/m3 (24) | 24.0 | |
| March 3, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.4 μg/m3 (37) | 11.7 μg/m3 (49) | 49.0 | |
| March 3, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.4 μg/m3 (40) | 18.0 μg/m3 (64) | 64.0 | |
| March 3, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.9 μg/m3 (19) | 9.8 μg/m3 (41) | 41.0 | |
| March 3, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 5.8 μg/m3 (25) | 25.0 | |
| March 3, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.8 μg/m3 (20) | 10.8 μg/m3 (46) | 46.0 | |
| March 3, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.1 μg/m3 (14) | 5.9 μg/m3 (25) | 25.0 | |
| March 3, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.8 μg/m3 (14) | 6.9 μg/m3 (29) | 29.0 | |
| March 3, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.6 μg/m3 (18) | 8.4 μg/m3 (36) | 36.0 | |
| March 3, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.8 μg/m3 (32) | 19.0 μg/m3 (66) | 66.0 | |
| March 3, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.7 μg/m3 (37) | 22.9 μg/m3 (74) | 74.0 | |
| March 3, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.4 μg/m3 (52) | 33.3 μg/m3 (96) | 96.0 | |
| March 3, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.5 μg/m3 (58) | 41.6 μg/m3 (117) | 117.0 | |
| March 3, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 83.0 μg/m3 (65) | 51.4 μg/m3 (141) | 141.0 | |
| March 3, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 69.5 μg/m3 (59) | 42.3 μg/m3 (118) | 118.0 | |
| March 3, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 71.3 μg/m3 (60) | 38.8 μg/m3 (110) | 110.0 | |
| March 3, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.7 μg/m3 (27) | 12.0 μg/m3 (50) | 50.0 | |
| March 3, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m3 (13) | 3.7 μg/m3 (16) | 16.0 | |
| March 2, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.8 μg/m3 (11) | 3.5 μg/m3 (15) | 15.0 | |
| March 2, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.7 μg/m3 (11) | 3.6 μg/m3 (16) | 16.0 | |
| March 2, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.3 μg/m3 (13) | 4.1 μg/m3 (18) | 18.0 | |
| March 2, 2021, 8 p.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 | |
| March 2, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 4.2 μg/m3 (18) | 18.0 | |
| March 2, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.8 μg/m3 (13) | 4.3 μg/m3 (18) | 18.0 | |
| March 2, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.9 μg/m3 (14) | 3.8 μg/m3 (16) | 16.0 | |
| March 2, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.3 μg/m3 (40) | 14.5 μg/m3 (57) | 57.0 | |
| March 2, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.6 μg/m3 (42) | 22.6 μg/m3 (74) | 74.0 | |
| March 2, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.8 μg/m3 (18) | 10.7 μg/m3 (45) | 45.0 | |
| March 2, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.1 μg/m3 (16) | 10.1 μg/m3 (43) | 43.0 | |
| March 2, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.7 μg/m3 (15) | 8.0 μg/m3 (34) | 34.0 | |
| March 2, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.3 μg/m3 (15) | 7.5 μg/m3 (32) | 32.0 | |
| March 2, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.4 μg/m3 (30) | 18.5 μg/m3 (65) | 65.0 | |
| March 2, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.6 μg/m3 (34) | 22.0 μg/m3 (72) | 72.0 | |
| March 2, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.3 μg/m3 (47) | 32.3 μg/m3 (94) | 94.0 | |
| March 2, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (53) | 39.5 μg/m3 (111) | 111.0 | |
| March 2, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 84.4 μg/m3 (66) | 55.3 μg/m3 (150) | 150.0 | |
| March 2, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 78.5 μg/m3 (63) | 49.9 μg/m3 (137) | 137.0 | |
| March 2, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.7 μg/m3 (58) | 42.5 μg/m3 (119) | 119.0 | |
| March 2, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 μg/m3 (53) | 30.6 μg/m3 (90) | 90.0 | |
| March 2, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.2 μg/m3 (25) | 12.5 μg/m3 (52) | 52.0 | |
| March 2, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.9 μg/m3 (34) | 19.9 μg/m3 (68) | 68.0 | |
| March 2, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.6 μg/m3 (26) | 12.9 μg/m3 (53) | 53.0 | |
| March 1, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| March 1, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.3 μg/m3 (10) | 2.8 μg/m3 (12) | 12.0 | |
| March 1, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.1 μg/m3 (13) | 3.0 μg/m3 (13) | 13.0 | |
| March 1, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.4 μg/m3 (12) | 3.0 μg/m3 (13) | 13.0 | |
| March 1, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m3 (10) | 3.1 μg/m3 (13) | 13.0 | |
| March 1, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.6 μg/m3 (10) | 2.8 μg/m3 (12) | 12.0 | |
| March 1, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.1 μg/m3 (14) | 3.3 μg/m3 (14) | 14.0 | |
| March 1, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.7 μg/m3 (22) | 4.0 μg/m3 (17) | 22.0 | |
| March 1, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.7 μg/m3 (33) | 14.7 μg/m3 (57) | 57.0 | |
| March 1, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.5 μg/m3 (24) | 11.8 μg/m3 (50) | 50.0 | |
| March 1, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.1 μg/m3 (14) | 6.2 μg/m3 (26) | 26.0 | |
| March 1, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.7 μg/m3 (10) | 5.5 μg/m3 (23) | 23.0 | |
| March 1, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.6 μg/m3 (20) | 12.4 μg/m3 (52) | 52.0 | |
| March 1, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.6 μg/m3 (27) | 17.4 μg/m3 (63) | 63.0 | |
| March 1, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.7 μg/m3 (31) | 20.0 μg/m3 (68) | 68.0 | |
| March 1, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 21.7 μg/m3 (72) | 72.0 | |
| March 1, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.6 μg/m3 (51) | 36.0 μg/m3 (103) | 103.0 | |
| March 1, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.1 μg/m3 (54) | 39.8 μg/m3 (112) | 112.0 | |
| March 1, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 88.3 μg/m3 (68) | 57.1 μg/m3 (152) | 152.0 | |
| March 1, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.1 μg/m3 (59) | 43.8 μg/m3 (122) | 122.0 | |
| March 1, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 111.2 μg/m3 (79) | 71.6 μg/m3 (160) | 160.0 | |
| March 1, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 μg/m3 (60) | 39.5 μg/m3 (111) | 111.0 | |
| March 1, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.6 μg/m3 (33) | 16.7 μg/m3 (61) | 61.0 | |
| March 1, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.5 μg/m3 (10) | 2.4 μg/m3 (10) | 10.0 | |
| Feb. 28, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.8 μg/m3 (10) | 2.5 μg/m3 (11) | 11.0 | |
| Feb. 28, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.6 μg/m3 (8) | 2.2 μg/m3 (10) | 10.0 | |
| Feb. 28, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.7 μg/m3 (9) | 2.6 μg/m3 (11) | 11.0 | |
| Feb. 28, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.2 μg/m3 (8) | 2.2 μg/m3 (10) | 10.0 | |
| Feb. 28, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.5 μg/m3 (10) | 3.0 μg/m3 (13) | 13.0 | |
| Feb. 28, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.1 μg/m3 (10) | 3.5 μg/m3 (15) | 15.0 | |
| Feb. 28, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.6 μg/m3 (12) | 4.6 μg/m3 (20) | 20.0 | |
| Feb. 28, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.2 μg/m3 (51) | 22.0 μg/m3 (72) | 72.0 | |
| Feb. 28, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.5 μg/m3 (38) | 20.2 μg/m3 (69) | 69.0 | |
| Feb. 28, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.4 μg/m3 (17) | 9.4 μg/m3 (40) | 40.0 |