Bakersfield (Manor St) CA, US: 35.438035, -119.016787
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 10, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 19.9 μg/m3 (19) | N/A | 19.0 | |
| Jan. 10, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 22.2 μg/m3 (21) | N/A | 21.0 | |
| Jan. 10, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 19.1 μg/m3 (18) | N/A | 24.0 | |
| Jan. 10, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 15.4 μg/m3 (15) | N/A | 25.0 | |
| Jan. 10, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 19.9 μg/m3 (19) | N/A | 23.0 | |
| Jan. 10, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 23.6 μg/m3 (22) | N/A | 22.0 | |
| Jan. 9, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 21.8 μg/m3 (21) | N/A | 21.0 | |
| Jan. 9, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 18.9 μg/m3 (18) | N/A | 18.0 | |
| Jan. 9, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 17.1 μg/m3 (16) | N/A | 16.0 | |
| Jan. 9, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 19.9 μg/m3 (19) | N/A | 19.0 | |
| Jan. 9, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 21.7 μg/m3 (21) | N/A | 21.0 | |
| Jan. 9, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 34.1 μg/m3 (32) | N/A | 32.0 | |
| Jan. 9, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 57.3 μg/m3 (53) | N/A | 53.0 | |
| Jan. 9, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 60.6 μg/m3 (54) | N/A | 54.0 | |
| Jan. 9, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 59.2 μg/m3 (54) | N/A | 54.0 | |
| Jan. 9, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 62.2 μg/m3 (55) | N/A | 55.0 | |
| Jan. 9, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 69.6 μg/m3 (59) | N/A | 59.0 | |
| Jan. 9, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 71.3 μg/m3 (60) | N/A | 60.0 | |
| Jan. 9, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 68.5 μg/m3 (58) | N/A | 58.0 | |
| Jan. 9, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 62.4 μg/m3 (55) | N/A | 55.0 | |
| Jan. 9, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 64.7 μg/m3 (56) | N/A | 56.0 | |
| Jan. 9, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 58.9 μg/m3 (53) | N/A | 53.0 | |
| Jan. 9, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 59.0 μg/m3 (53) | N/A | 53.0 | |
| Jan. 9, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 70.7 μg/m3 (59) | N/A | 59.0 | |
| Jan. 9, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 59.2 μg/m3 (54) | N/A | 54.0 | |
| Jan. 9, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 53.4 μg/m3 (50) | N/A | 50.0 | |
| Jan. 9, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 70.9 μg/m3 (59) | N/A | 59.0 | |
| Jan. 9, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 55.3 μg/m3 (52) | N/A | 52.0 | |
| Jan. 9, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 58.3 μg/m3 (53) | N/A | 53.0 | |
| Jan. 9, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 56.3 μg/m3 (52) | N/A | 52.0 | |
| Jan. 8, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 53.1 μg/m3 (50) | N/A | 50.0 | |
| Jan. 8, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 37.5 μg/m3 (35) | N/A | 35.0 | |
| Jan. 8, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 36.7 μg/m3 (34) | N/A | 34.0 | |
| Jan. 8, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 55.1 μg/m3 (52) | N/A | 52.0 | |
| Jan. 8, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 58.5 μg/m3 (53) | N/A | 53.0 | |
| Jan. 8, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 66.4 μg/m3 (57) | N/A | 57.0 | |
| Jan. 8, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 60.3 μg/m3 (54) | N/A | 54.0 | |
| Jan. 8, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 45.2 μg/m3 (42) | N/A | 42.0 | |
| Jan. 8, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 37.9 μg/m3 (36) | N/A | 36.0 | |
| Jan. 8, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 27.7 μg/m3 (26) | N/A | 26.0 | |
| Jan. 8, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 42.4 μg/m3 (40) | N/A | 40.0 | |
| Jan. 8, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.6 μg/m3 (49) | N/A | 49.0 | |
| Jan. 8, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 45.2 μg/m3 (42) | N/A | 42.0 | |
| Jan. 8, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 43.9 μg/m3 (41) | N/A | 41.0 | |
| Jan. 8, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 49.4 μg/m3 (46) | N/A | 46.0 | |
| Jan. 8, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 55.2 μg/m3 (52) | N/A | 52.0 | |
| Jan. 8, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 54.1 μg/m3 (51) | N/A | 51.0 | |
| Jan. 8, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 57.4 μg/m3 (53) | N/A | 53.0 | |
| Jan. 8, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 48.5 μg/m3 (45) | N/A | 45.0 | |
| Jan. 8, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 44.3 μg/m3 (42) | N/A | 42.0 | |
| Jan. 8, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 47.1 μg/m3 (44) | N/A | 44.0 | |
| Jan. 8, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 46.8 μg/m3 (44) | N/A | 44.0 | |
| Jan. 8, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 54.9 μg/m3 (51) | N/A | 51.0 | |
| Jan. 8, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 49.2 μg/m3 (46) | N/A | 46.0 | |
| Jan. 7, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 58.3 μg/m3 (53) | N/A | 53.0 | |
| Jan. 7, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 53.0 μg/m3 (50) | N/A | 50.0 | |
| Jan. 7, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 47.3 μg/m3 (44) | N/A | 44.0 | |
| Jan. 7, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 36.2 μg/m3 (34) | N/A | 34.0 | |
| Jan. 7, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 52.5 μg/m3 (49) | N/A | 49.0 | |
| Jan. 7, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 63.4 μg/m3 (56) | N/A | 56.0 | |
| Jan. 7, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 44.6 μg/m3 (42) | N/A | 42.0 | |
| Jan. 7, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 54.0 μg/m3 (50) | N/A | 50.0 | |
| Jan. 7, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 46.3 μg/m3 (43) | N/A | 43.0 | |
| Jan. 7, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 42.7 μg/m3 (40) | N/A | 40.0 | |
| Jan. 7, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 35.1 μg/m3 (33) | N/A | 33.0 | |
| Jan. 7, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.3 μg/m3 (30) | N/A | 30.0 | |
| Jan. 7, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 32.1 μg/m3 (30) | N/A | 30.0 | |
| Jan. 7, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 40.5 μg/m3 (38) | N/A | 38.0 | |
| Jan. 7, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 44.5 μg/m3 (42) | N/A | 42.0 | |
| Jan. 7, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 42.3 μg/m3 (40) | N/A | 40.0 | |
| Jan. 7, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 33.7 μg/m3 (32) | N/A | 32.0 | |
| Jan. 7, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 45.5 μg/m3 (43) | N/A | 43.0 | |
| Jan. 7, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 48.5 μg/m3 (45) | N/A | 45.0 | |
| Jan. 7, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 48.4 μg/m3 (45) | N/A | 45.0 | |
| Jan. 7, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 53.0 μg/m3 (50) | N/A | 50.0 | |
| Jan. 7, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 59.8 μg/m3 (54) | N/A | 54.0 | |
| Jan. 7, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 42.6 μg/m3 (40) | N/A | 40.0 | |
| Jan. 7, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 35.9 μg/m3 (34) | N/A | 34.0 | |
| Jan. 6, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 44.3 μg/m3 (42) | N/A | 42.0 | |
| Jan. 6, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 45.2 μg/m3 (42) | N/A | 42.0 | |
| Jan. 6, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 36.3 μg/m3 (34) | N/A | 34.0 | |
| Jan. 6, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 34.1 μg/m3 (32) | N/A | 32.0 | |
| Jan. 6, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 16.0 | |
| Jan. 6, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
| Jan. 6, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 36.3 μg/m3 (34) | N/A | 34.0 | |
| Jan. 6, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 42.6 μg/m3 (40) | N/A | 40.0 | |
| Jan. 6, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 35.3 μg/m3 (33) | N/A | 33.0 | |
| Jan. 6, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 28.6 μg/m3 (27) | N/A | 27.0 | |
| Jan. 6, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 27.9 μg/m3 (26) | N/A | 26.0 | |
| Jan. 6, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.2 μg/m3 (30) | N/A | 30.0 | |
| Jan. 6, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 39.6 μg/m3 (37) | N/A | 37.0 | |
| Jan. 6, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 29.3 μg/m3 (28) | N/A | 28.0 | |
| Jan. 6, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 34.0 μg/m3 (32) | N/A | 32.0 | |
| Jan. 6, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 33.6 μg/m3 (32) | N/A | 32.0 | |
| Jan. 6, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 38.8 μg/m3 (36) | N/A | 36.0 | |
| Jan. 6, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 48.7 μg/m3 (46) | N/A | 46.0 | |
| Jan. 6, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 23.6 μg/m3 (22) | N/A | 22.0 | |
| Jan. 6, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 25.1 μg/m3 (24) | N/A | 24.0 | |
| Jan. 6, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 35.5 μg/m3 (33) | N/A | 33.0 | |
| Jan. 6, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 54.5 μg/m3 (51) | N/A | 51.0 | |
| Jan. 6, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 48.0 μg/m3 (45) | N/A | 45.0 | |
| Jan. 6, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 26.5 μg/m3 (25) | N/A | 25.0 | |
| Jan. 5, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 19.5 μg/m3 (19) | N/A | 26.0 | |
| Jan. 5, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 23.7 μg/m3 (22) | N/A | 26.0 | |
| Jan. 5, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 28.9 μg/m3 (27) | N/A | 27.0 | |
| Jan. 5, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 33.8 μg/m3 (32) | N/A | 32.0 | |
| Jan. 5, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 33.3 μg/m3 (31) | N/A | 31.0 | |
| Jan. 5, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 38.3 μg/m3 (36) | N/A | 36.0 | |
| Jan. 5, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 41.4 μg/m3 (39) | N/A | 39.0 | |
| Jan. 5, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 44.6 μg/m3 (42) | N/A | 42.0 | |
| Jan. 5, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 31.9 μg/m3 (30) | N/A | 30.0 | |
| Jan. 5, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 31.5 μg/m3 (30) | N/A | 30.0 | |
| Jan. 5, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 34.9 μg/m3 (33) | N/A | 33.0 | |
| Jan. 5, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.3 μg/m3 (32) | N/A | 32.0 | |
| Jan. 5, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 28.3 μg/m3 (27) | N/A | 27.0 | |
| Jan. 5, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 29.4 μg/m3 (28) | N/A | 28.0 | |
| Jan. 5, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 16.1 μg/m3 (15) | N/A | 15.0 | |
| Jan. 5, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 4.9 μg/m3 (5) | N/A | 12.0 | |
| Jan. 5, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 3.5 μg/m3 (4) | N/A | 18.0 | |
| Jan. 5, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 4.2 μg/m3 (4) | N/A | 21.0 | |
| Jan. 5, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 7.2 μg/m3 (7) | N/A | 23.0 | |
| Jan. 5, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 12.9 μg/m3 (12) | N/A | 21.0 | |
| Jan. 5, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 38.5 μg/m3 (36) | N/A | 36.0 | |
| Jan. 5, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 44.2 μg/m3 (41) | N/A | 41.0 | |
| Jan. 5, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 25.9 μg/m3 (24) | N/A | 26.0 | |
| Jan. 5, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 19.9 μg/m3 (19) | N/A | 31.0 | |
| Jan. 4, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 16.0 μg/m3 (15) | N/A | 32.0 | |
| Jan. 4, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 14.6 μg/m3 (14) | N/A | 32.0 | |
| Jan. 4, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 10.5 μg/m3 (10) | N/A | 32.0 | |
| Jan. 4, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 28.9 μg/m3 (27) | N/A | 30.0 | |
| Jan. 4, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.2 μg/m3 (32) | N/A | 32.0 | |
| Jan. 4, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.5 μg/m3 (25) | N/A | 25.0 | |
| Jan. 4, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.9 μg/m3 (26) | N/A | 26.0 | |
| Jan. 4, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.7 μg/m3 (29) | N/A | 29.0 | |
| Jan. 4, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.8 μg/m3 (36) | N/A | 36.0 | |
| Jan. 4, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.4 μg/m3 (32) | N/A | 32.0 | |
| Jan. 4, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.9 μg/m3 (29) | N/A | 29.0 | |
| Jan. 4, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.4 μg/m3 (28) | N/A | 28.0 | |
| Jan. 4, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | N/A | 25.0 | |
| Jan. 4, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.1 μg/m3 (24) | N/A | 24.0 | |
| Jan. 4, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.6 μg/m3 (30) | N/A | 30.0 | |
| Jan. 4, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.2 μg/m3 (35) | N/A | 35.0 | |
| Jan. 4, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 43.5 μg/m3 (41) | N/A | 41.0 | |
| Jan. 4, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 26.3 μg/m3 (25) | N/A | 25.0 | |
| Jan. 4, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 13.9 μg/m3 (13) | N/A | 18.0 | |
| Jan. 4, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 18.1 μg/m3 (17) | N/A | 21.0 | |
| Jan. 4, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 25.1 μg/m3 (24) | N/A | 24.0 | |
| Jan. 4, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 22.5 μg/m3 (21) | N/A | 21.0 | |
| Jan. 4, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 37.1 μg/m3 (35) | N/A | 35.0 | |
| Jan. 4, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 15.9 μg/m3 (15) | N/A | 27.0 | |
| Jan. 3, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 18.8 μg/m3 (18) | N/A | 30.0 | |
| Jan. 3, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 24.7 μg/m3 (23) | N/A | 30.0 | |
| Jan. 3, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 21.7 μg/m3 (21) | N/A | 28.0 | |
| Jan. 3, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 31.2 μg/m3 (29) | N/A | 29.0 | |
| Jan. 3, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 40.9 μg/m3 (38) | N/A | 38.0 | |
| Jan. 3, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 43.6 μg/m3 (41) | N/A | 41.0 | |
| Jan. 3, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 36.7 μg/m3 (34) | N/A | 34.0 | |
| Jan. 3, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 33.0 μg/m3 (31) | N/A | 31.0 | |
| Jan. 3, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 24.2 μg/m3 (23) | N/A | 23.0 | |
| Jan. 3, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 23.6 μg/m3 (22) | N/A | 22.0 | |
| Jan. 3, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 25.3 μg/m3 (24) | N/A | 24.0 | |
| Jan. 3, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m3 (11) | N/A | 11.0 | |
| Jan. 3, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 30.0 μg/m3 (28) | N/A | 28.0 | |
| Jan. 3, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 21.7 μg/m3 (21) | N/A | 21.0 | |
| Jan. 3, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 47.1 μg/m3 (44) | N/A | 44.0 | |
| Jan. 3, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 27.6 μg/m3 (26) | N/A | 26.0 | |
| Jan. 3, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 27.2 μg/m3 (26) | N/A | 26.0 | |
| Jan. 3, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 16.3 μg/m3 (16) | N/A | 16.0 |