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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 148.0 μg/m3 (98) | 90.8 μg/m3 (170) | 170.0 | |
| Sept. 22, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 121.0 μg/m3 (84) | 70.4 μg/m3 (159) | 159.0 | |
| Sept. 22, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (59) | 35.0 μg/m3 (100) | 100.0 | |
| Sept. 22, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 19.8 μg/m3 (68) | 68.0 | |
| Sept. 22, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 16.4 μg/m3 (61) | 61.0 | |
| Sept. 22, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 10.5 μg/m3 (44) | 44.0 | |
| Sept. 22, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 20.9 μg/m3 (70) | 70.0 | |
| Sept. 21, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 27.6 μg/m3 (84) | 84.0 | |
| Sept. 21, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 μg/m3 (51) | 27.7 μg/m3 (84) | 84.0 | |
| Sept. 21, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (53) | 28.1 μg/m3 (85) | 85.0 | |
| Sept. 21, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 18.4 μg/m3 (65) | 65.0 | |
| Sept. 21, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 μg/m3 (55) | 20.4 μg/m3 (69) | 69.0 | |
| Sept. 21, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 11.5 μg/m3 (48) | 48.0 | |
| Sept. 21, 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) | 4.7 μg/m3 (20) | 20.0 | |
| Sept. 21, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (46) | 6.8 μg/m3 (29) | 46.0 | |
| Sept. 21, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 μg/m3 (56) | 14.2 μg/m3 (56) | 56.0 | |
| Sept. 21, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 6.8 μg/m3 (29) | 29.0 | |
| Sept. 21, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 3.3 μg/m3 (14) | 14.0 | |
| Sept. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 13.0 | |
| Sept. 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 13.0 | |
| Sept. 21, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 3.1 μg/m3 (13) | 13.0 | |
| Sept. 21, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 4.7 μg/m3 (20) | 20.0 | |
| Sept. 21, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 3.6 μg/m3 (16) | 16.0 | |
| Sept. 21, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 4.1 μg/m3 (18) | 18.0 | |
| Sept. 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.9 μg/m3 (17) | 17.0 | |
| Sept. 21, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 5.9 μg/m3 (25) | 25.0 | |
| Sept. 21, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 5.9 μg/m3 (25) | 25.0 | |
| Sept. 21, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 21, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 3.9 μg/m3 (17) | 17.0 | |
| Sept. 21, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 3.6 μg/m3 (16) | 16.0 | |
| Sept. 21, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 3.6 μg/m3 (16) | 18.0 | |
| Sept. 20, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 3.7 μg/m3 (16) | 17.0 | |
| Sept. 20, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 4.1 μg/m3 (18) | 19.0 | |
| Sept. 20, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 4.2 μg/m3 (18) | 18.0 | |
| Sept. 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 4.4 μg/m3 (19) | 22.0 | |
| Sept. 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 4.1 μg/m3 (18) | 19.0 | |
| Sept. 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 3.9 μg/m3 (17) | 19.0 | |
| Sept. 20, 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) | 4.0 μg/m3 (17) | 18.0 | |
| Sept. 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 4.3 μg/m3 (18) | 18.0 | |
| Sept. 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 4.1 μg/m3 (18) | 19.0 | |
| Sept. 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 μg/m3 (62) | 7.8 μg/m3 (33) | 62.0 | |
| Sept. 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.5 μg/m3 (15) | 15.0 | |
| Sept. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.6 μg/m3 (16) | 16.0 | |
| Sept. 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.9 μg/m3 (17) | 17.0 | |
| Sept. 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.1 μg/m3 (13) | 13.0 | |
| Sept. 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 3.2 μg/m3 (14) | 14.0 | |
| Sept. 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.2 μg/m3 (14) | 14.0 | |
| Sept. 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 2.9 μg/m3 (13) | 13.0 | |
| Sept. 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.2 μg/m3 (14) | 14.0 | |
| Sept. 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 3.8 μg/m3 (16) | 16.0 | |
| Sept. 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 3.5 μg/m3 (15) | 16.0 | |
| Sept. 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 2.7 μg/m3 (12) | 13.0 | |
| Sept. 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.4 μg/m3 (15) | 15.0 | |
| Sept. 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 4.2 μg/m3 (18) | 18.0 | |
| Sept. 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 4.7 μg/m3 (20) | 20.0 | |
| Sept. 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 5.5 μg/m3 (23) | 23.0 | |
| Sept. 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 5.5 μg/m3 (23) | 23.0 | |
| Sept. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 4.2 μg/m3 (18) | 18.0 | |
| Sept. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 2.7 μg/m3 (12) | 12.0 | |
| Sept. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 1.7 μg/m3 (8) | 13.0 | |
| Sept. 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 1.5 μg/m3 (7) | 13.0 | |
| Sept. 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 2.2 μg/m3 (10) | 22.0 | |
| Sept. 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 2.7 μg/m3 (12) | 28.0 | |
| Sept. 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 4.2 μg/m3 (18) | 52.0 | |
| Sept. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 4.9 μg/m3 (21) | 52.0 | |
| Sept. 19, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 19, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 5.2 μg/m3 (22) | 40.0 | |
| Sept. 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 6.4 μg/m3 (27) | 27.0 | |
| Sept. 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 10.3 μg/m3 (43) | 43.0 | |
| Sept. 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 12.4 μg/m3 (52) | 52.0 | |
| Sept. 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 13.5 μg/m3 (54) | 54.0 | |
| Sept. 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 15.8 μg/m3 (59) | 59.0 | |
| Sept. 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 16.1 μg/m3 (60) | 60.0 | |
| Sept. 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 17.4 μg/m3 (63) | 63.0 | |
| Sept. 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (55) | 24.0 μg/m3 (77) | 77.0 | |
| Sept. 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 μg/m3 (51) | 22.8 μg/m3 (74) | 74.0 | |
| Sept. 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 μg/m3 (55) | 25.9 μg/m3 (81) | 81.0 | |
| Sept. 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (59) | 30.7 μg/m3 (91) | 91.0 | |
| Sept. 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 μg/m3 (63) | 36.2 μg/m3 (103) | 103.0 | |
| Sept. 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 97.0 μg/m3 (72) | 51.5 μg/m3 (141) | 141.0 | |
| Sept. 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 186.0 μg/m3 (117) | 107.0 μg/m3 (178) | 178.0 | |
| Sept. 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 252.0 μg/m3 (150) | 160.1 μg/m3 (211) | 211.0 | |
| Sept. 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 257.0 μg/m3 (152) | 163.5 μg/m3 (214) | 214.0 | |
| Sept. 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 163.0 μg/m3 (105) | 101.4 μg/m3 (175) | 175.0 | |
| Sept. 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 114.0 μg/m3 (81) | 71.3 μg/m3 (160) | 160.0 | |
| Sept. 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 μg/m3 (63) | 46.0 μg/m3 (127) | 127.0 | |
| Sept. 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (59) | 38.6 μg/m3 (109) | 109.0 | |
| Sept. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 28.8 μg/m3 (87) | 87.0 | |
| Sept. 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 μg/m3 (50) | 27.9 μg/m3 (85) | 85.0 | |
| Sept. 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (53) | 29.1 μg/m3 (87) | 87.0 | |
| Sept. 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 20.4 μg/m3 (69) | 69.0 | |
| Sept. 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 17.2 μg/m3 (62) | 62.0 | |
| Sept. 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 26.4 μg/m3 (82) | 82.0 | |
| Sept. 18, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 19.8 μg/m3 (68) | 68.0 | |
| Sept. 18, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 μg/m3 (57) | 27.4 μg/m3 (84) | 84.0 | |
| Sept. 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (50) | 21.5 μg/m3 (71) | 71.0 | |
| Sept. 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 μg/m3 (57) | 25.5 μg/m3 (80) | 80.0 | |
| Sept. 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 127.0 μg/m3 (87) | 50.7 μg/m3 (139) | 139.0 | |
| Sept. 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 126.0 μg/m3 (87) | 49.1 μg/m3 (135) | 135.0 | |
| Sept. 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 80.0 μg/m3 (64) | 38.1 μg/m3 (108) | 108.0 | |
| Sept. 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 88.0 μg/m3 (68) | 47.0 μg/m3 (130) | 130.0 | |
| Sept. 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 127.0 μg/m3 (87) | 73.8 μg/m3 (161) | 161.0 | |
| Sept. 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 170.0 μg/m3 (109) | 100.3 μg/m3 (175) | 175.0 | |
| Sept. 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 213.0 μg/m3 (130) | 130.7 μg/m3 (190) | 190.0 | |
| Sept. 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 213.0 μg/m3 (130) | 122.7 μg/m3 (186) | 186.0 | |
| Sept. 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 154.0 μg/m3 (100) | 86.7 μg/m3 (168) | 168.0 | |
| Sept. 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 118.0 μg/m3 (83) | 66.6 μg/m3 (157) | 157.0 | |
| Sept. 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 119.0 μg/m3 (83) | 66.7 μg/m3 (157) | 157.0 | |
| Sept. 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 96.0 μg/m3 (72) | 44.9 μg/m3 (125) | 125.0 | |
| Sept. 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 μg/m3 (64) | 42.7 μg/m3 (119) | 119.0 | |
| Sept. 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 69.0 μg/m3 (58) | 40.9 μg/m3 (115) | 115.0 | |
| Sept. 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 μg/m3 (56) | 38.2 μg/m3 (108) | 108.0 | |
| Sept. 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 μg/m3 (56) | 36.6 μg/m3 (104) | 104.0 | |
| Sept. 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (59) | 37.0 μg/m3 (105) | 105.0 | |
| Sept. 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 μg/m3 (61) | 39.9 μg/m3 (112) | 112.0 | |
| Sept. 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 μg/m3 (60) | 40.3 μg/m3 (113) | 113.0 | |
| Sept. 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 76.0 μg/m3 (62) | 38.0 μg/m3 (108) | 108.0 | |
| Sept. 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (59) | 36.3 μg/m3 (103) | 103.0 | |
| Sept. 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 μg/m3 (64) | 40.0 μg/m3 (113) | 113.0 | |
| Sept. 17, 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) | 40.4 μg/m3 (114) | 114.0 | |
| Sept. 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 88.0 μg/m3 (68) | 40.3 μg/m3 (113) | 113.0 | |
| Sept. 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 91.0 μg/m3 (69) | 42.7 μg/m3 (119) | 119.0 | |
| Sept. 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 96.0 μg/m3 (72) | 44.9 μg/m3 (125) | 125.0 | |
| Sept. 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 93.0 μg/m3 (70) | 45.8 μg/m3 (127) | 127.0 | |
| Sept. 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 106.0 μg/m3 (77) | 53.2 μg/m3 (145) | 145.0 | |
| Sept. 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 131.0 μg/m3 (89) | 66.8 μg/m3 (157) | 157.0 | |
| Sept. 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 181.0 μg/m3 (114) | 99.8 μg/m3 (174) | 174.0 | |
| Sept. 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 207.0 μg/m3 (127) | 112.5 μg/m3 (181) | 181.0 | |
| Sept. 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 139.0 μg/m3 (93) | 75.0 μg/m3 (162) | 162.0 | |
| Sept. 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 μg/m3 (75) | 54.5 μg/m3 (148) | 148.0 | |
| Sept. 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 82.0 μg/m3 (65) | 43.3 μg/m3 (121) | 121.0 | |
| Sept. 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 118.0 μg/m3 (83) | 63.8 μg/m3 (156) | 156.0 | |
| Sept. 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 186.0 μg/m3 (117) | 102.2 μg/m3 (176) | 176.0 | |
| Sept. 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 178.0 μg/m3 (113) | 102.7 μg/m3 (176) | 176.0 | |
| Sept. 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 224.0 μg/m3 (136) | 133.7 μg/m3 (192) | 192.0 | |
| Sept. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 229.0 μg/m3 (138) | 134.7 μg/m3 (192) | 192.0 | |
| Sept. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 158.0 μg/m3 (103) | 91.1 μg/m3 (170) | 170.0 | |
| Sept. 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 112.0 μg/m3 (80) | 62.7 μg/m3 (155) | 155.0 | |
| Sept. 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 μg/m3 (75) | 54.0 μg/m3 (147) | 147.0 | |
| Sept. 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 94.0 μg/m3 (71) | 46.8 μg/m3 (129) | 129.0 | |
| Sept. 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 83.0 μg/m3 (65) | 41.6 μg/m3 (117) | 117.0 | |
| Sept. 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 84.0 μg/m3 (66) | 42.7 μg/m3 (119) | 119.0 | |
| Sept. 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 μg/m3 (63) | 40.9 μg/m3 (115) | 115.0 | |
| Sept. 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 76.0 μg/m3 (62) | 35.3 μg/m3 (100) | 100.0 | |
| Sept. 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 μg/m3 (61) | 29.2 μg/m3 (87) | 87.0 | |
| Sept. 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 83.0 μg/m3 (65) | 30.4 μg/m3 (90) | 90.0 | |
| Sept. 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 μg/m3 (64) | 34.9 μg/m3 (99) | 99.0 | |
| Sept. 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 μg/m3 (64) | 35.5 μg/m3 (101) | 101.0 | |
| Sept. 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 μg/m3 (54) | 27.2 μg/m3 (83) | 83.0 | |
| Sept. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (46) | 21.3 μg/m3 (71) | 71.0 | |
| Sept. 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 18.8 μg/m3 (66) | 66.0 | |
| Sept. 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 13.3 μg/m3 (54) | 54.0 | |
| Sept. 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 13.5 μg/m3 (54) | 54.0 | |
| Sept. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 17.8 μg/m3 (63) | 63.0 | |
| Sept. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 18.3 μg/m3 (65) | 65.0 | |
| Sept. 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 17.7 μg/m3 (63) | 63.0 | |
| Sept. 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 μg/m3 (55) | 20.7 μg/m3 (70) | 70.0 | |
| Sept. 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 18.3 μg/m3 (65) | 65.0 | |
| Sept. 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 17.4 μg/m3 (63) | 63.0 | |
| Sept. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 17.2 μg/m3 (62) | 62.0 | |
| Sept. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 17.3 μg/m3 (62) | 62.0 | |
| Sept. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 17.2 μg/m3 (62) | 62.0 | |
| Sept. 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 18.0 μg/m3 (64) | 64.0 | |
| Sept. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 20.7 μg/m3 (70) | 70.0 | |
| Sept. 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 23.6 μg/m3 (76) | 76.0 |