Arroyo Grande (Willow Rd) CA, US: 35.04676, -120.58777
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 7.0 μg/m3 (30) | 37.0 | |
| Oct. 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 6.0 μg/m3 (25) | 43.0 | |
| Oct. 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 9.0 μg/m3 (38) | 52.0 | |
| Oct. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (50) | 9.0 μg/m3 (38) | 50.0 | |
| Oct. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (49) | 11.0 μg/m3 (46) | 49.0 | |
| Oct. 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 μg/m3 (60) | 10.0 μg/m3 (42) | 60.0 | |
| Oct. 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 193.0 μg/m3 (120) | 24.0 μg/m3 (77) | 120.0 | |
| Oct. 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 154.0 μg/m3 (100) | 19.0 μg/m3 (66) | 100.0 | |
| Oct. 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 μg/m3 (59) | 11.0 μg/m3 (46) | 59.0 | |
| Oct. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 μg/m3 (63) | 12.0 μg/m3 (50) | 63.0 | |
| Oct. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 15.0 μg/m3 (58) | 58.0 | |
| Oct. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 8.0 μg/m3 (34) | 41.0 | |
| Oct. 15, 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) | 7.0 μg/m3 (30) | 42.0 | |
| Oct. 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 3.0 μg/m3 (13) | 37.0 | |
| Oct. 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 3.0 μg/m3 (13) | 38.0 | |
| Oct. 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 3.0 μg/m3 (13) | 37.0 | |
| Oct. 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 4.0 μg/m3 (17) | 25.0 | |
| Oct. 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 6.0 μg/m3 (25) | 25.0 | |
| Oct. 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 3.0 μg/m3 (13) | 32.0 | |
| Oct. 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 3.0 μg/m3 (13) | 31.0 | |
| Oct. 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 5.0 μg/m3 (21) | 27.0 | |
| Oct. 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 6.0 μg/m3 (25) | 31.0 | |
| Oct. 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (46) | 7.0 μg/m3 (30) | 46.0 | |
| Oct. 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 7.0 μg/m3 (30) | 33.0 | |
| Oct. 14, 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) | 6.0 μg/m3 (25) | 26.0 | |
| Oct. 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 5.0 μg/m3 (21) | 32.0 | |
| Oct. 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 5.0 μg/m3 (21) | 33.0 | |
| Oct. 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 5.0 μg/m3 (21) | 39.0 | |
| Oct. 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 5.0 μg/m3 (21) | 36.0 | |
| Oct. 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 8.0 μg/m3 (34) | 42.0 | |
| Oct. 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 7.0 μg/m3 (30) | 35.0 | |
| Oct. 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 9.0 | |
| Oct. 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 3.0 μg/m3 (13) | 13.0 | |
| Oct. 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 2.0 μg/m3 (9) | 9.0 | |
| Oct. 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 1.0 μg/m3 (5) | 5.0 | |
| Oct. 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 13.0 | |
| Oct. 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 13.0 | |
| Oct. 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 0.0 μg/m3 (0) | 11.0 | |
| Oct. 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 7.0 | |
| Oct. 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 1.0 μg/m3 (5) | 5.0 | |
| Oct. 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 4.0 μg/m3 (17) | 17.0 | |
| Oct. 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 5.0 μg/m3 (21) | 23.0 | |
| Oct. 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 8.0 μg/m3 (34) | 34.0 | |
| Oct. 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (54) | 15.0 μg/m3 (58) | 58.0 | |
| Oct. 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 157.0 μg/m3 (102) | 39.0 μg/m3 (110) | 110.0 | |
| Oct. 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 169.0 μg/m3 (108) | 43.0 μg/m3 (120) | 120.0 | |
| Oct. 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 151.0 μg/m3 (99) | 39.0 μg/m3 (110) | 110.0 | |
| Oct. 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (55) | 18.0 μg/m3 (64) | 64.0 | |
| Oct. 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Oct. 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 8.0 μg/m3 (34) | 38.0 | |
| Oct. 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 μg/m3 (56) | 9.0 μg/m3 (38) | 56.0 | |
| Oct. 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (54) | 6.0 μg/m3 (25) | 54.0 | |
| Oct. 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 87.0 μg/m3 (67) | 9.0 μg/m3 (38) | 67.0 | |
| Oct. 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 111.0 μg/m3 (79) | 16.0 μg/m3 (60) | 79.0 | |
| Oct. 13, 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) | 8.0 μg/m3 (34) | 58.0 | |
| Oct. 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 8.0 μg/m3 (34) | 42.0 | |
| Oct. 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 9.0 μg/m3 (38) | 45.0 | |
| Oct. 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 8.0 μg/m3 (34) | 36.0 | |
| Oct. 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 5.0 μg/m3 (21) | 37.0 | |
| Oct. 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 5.0 μg/m3 (21) | 33.0 | |
| Oct. 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 7.0 μg/m3 (30) | 30.0 | |
| Oct. 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 9.0 μg/m3 (38) | 38.0 | |
| Oct. 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 μg/m3 (51) | 14.0 μg/m3 (55) | 55.0 | |
| Oct. 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 μg/m3 (74) | 22.0 μg/m3 (72) | 74.0 | |
| Oct. 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 122.0 μg/m3 (85) | 27.0 μg/m3 (83) | 85.0 | |
| Oct. 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 262.0 μg/m3 (155) | 64.0 μg/m3 (156) | 156.0 | |
| Oct. 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 267.0 μg/m3 (157) | 62.0 μg/m3 (155) | 157.0 | |
| Oct. 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 149.0 μg/m3 (98) | 35.0 μg/m3 (100) | 100.0 | |
| Oct. 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 μg/m3 (63) | 20.0 μg/m3 (68) | 68.0 | |
| Oct. 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 4.0 μg/m3 (17) | 28.0 | |
| Oct. 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 6.0 μg/m3 (25) | 29.0 | |
| Oct. 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 μg/m3 (48) | 10.0 μg/m3 (42) | 48.0 | |
| Oct. 12, 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) | 10.0 μg/m3 (42) | 54.0 | |
| Oct. 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (59) | 16.0 μg/m3 (60) | 60.0 | |
| Oct. 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (47) | 11.0 μg/m3 (46) | 47.0 | |
| Oct. 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 9.0 μg/m3 (38) | 42.0 | |
| Oct. 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 12, 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) | 12.0 μg/m3 (50) | 50.0 | |
| Oct. 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (47) | 10.0 μg/m3 (42) | 47.0 | |
| Oct. 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 12.0 μg/m3 (50) | 50.0 | |
| Oct. 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (49) | 9.0 μg/m3 (38) | 49.0 | |
| Oct. 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 μg/m3 (63) | 23.0 μg/m3 (74) | 74.0 | |
| Oct. 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 109.0 μg/m3 (78) | 29.0 μg/m3 (87) | 87.0 | |
| Oct. 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 168.0 μg/m3 (108) | 33.0 μg/m3 (95) | 108.0 | |
| Oct. 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 158.0 μg/m3 (103) | 31.0 μg/m3 (91) | 103.0 | |
| Oct. 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 302.0 μg/m3 (175) | 66.0 μg/m3 (157) | 175.0 | |
| Oct. 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 341.0 μg/m3 (194) | 74.0 μg/m3 (161) | 194.0 | |
| Oct. 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 311.0 μg/m3 (179) | 62.0 μg/m3 (155) | 179.0 | |
| Oct. 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 491.0 μg/m3 (384) | 105.0 μg/m3 (177) | 384.0 | |
| Oct. 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 331.0 μg/m3 (189) | 67.0 μg/m3 (157) | 189.0 | |
| Oct. 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 μg/m3 (57) | 19.0 μg/m3 (66) | 66.0 | |
| Oct. 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 μg/m3 (50) | 15.0 μg/m3 (58) | 58.0 | |
| Oct. 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 15.0 μg/m3 (58) | 58.0 | |
| Oct. 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 6.0 μg/m3 (25) | 28.0 | |
| Oct. 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (47) | 6.0 μg/m3 (25) | 47.0 | |
| Oct. 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 6.0 μg/m3 (25) | 35.0 | |
| Oct. 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 5.0 μg/m3 (21) | 21.0 | |
| Oct. 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| Oct. 11, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 5.0 μg/m3 (21) | 21.0 | |
| Oct. 11, 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) | 7.0 μg/m3 (30) | 30.0 | |
| Oct. 11, 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) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 11, 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) | 14.0 μg/m3 (55) | 55.0 | |
| Oct. 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (46) | 14.0 μg/m3 (55) | 55.0 | |
| Oct. 11, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 11, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 12.0 μg/m3 (50) | 50.0 | |
| Oct. 11, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 8.0 μg/m3 (34) | 35.0 | |
| Oct. 11, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 11, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 μg/m3 (64) | 15.0 μg/m3 (58) | 64.0 | |
| Oct. 10, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 147.0 μg/m3 (97) | 33.0 μg/m3 (95) | 97.0 | |
| Oct. 10, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 108.0 μg/m3 (78) | 19.0 μg/m3 (66) | 78.0 | |
| Oct. 10, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 131.0 μg/m3 (89) | 32.0 μg/m3 (93) | 93.0 | |
| Oct. 10, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 78.0 μg/m3 (63) | 16.0 μg/m3 (60) | 63.0 | |
| Oct. 10, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 7.0 μg/m3 (30) | 32.0 | |
| Oct. 10, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 6.0 μg/m3 (25) | 34.0 | |
| Oct. 10, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 7.0 μg/m3 (30) | 30.0 | |
| Oct. 10, 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) | 6.0 μg/m3 (25) | 25.0 | |
| Oct. 10, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (45) | 8.0 μg/m3 (34) | 45.0 | |
| Oct. 10, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 6.0 μg/m3 (25) | 32.0 | |
| Oct. 10, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 8.0 μg/m3 (34) | 34.0 | |
| Oct. 10, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 7.0 μg/m3 (30) | 30.0 | |
| Oct. 10, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 4.0 μg/m3 (17) | 17.0 | |
| Oct. 10, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Oct. 10, 2021, 9 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 | |
| Oct. 10, 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) | 1.0 μg/m3 (5) | 11.0 | |
| Oct. 10, 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) | 1.0 μg/m3 (5) | 12.0 | |
| Oct. 10, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 3.0 μg/m3 (13) | 17.0 | |
| Oct. 10, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 3.0 μg/m3 (13) | 17.0 | |
| Oct. 10, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 2.0 μg/m3 (9) | 9.0 | |
| Oct. 10, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 13.0 | |
| Oct. 10, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 4.0 μg/m3 (17) | 17.0 | |
| Oct. 10, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 3.0 μg/m3 (13) | 22.0 | |
| Oct. 10, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 5.0 μg/m3 (21) | 26.0 | |
| Oct. 9, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 153.0 μg/m3 (100) | 31.0 μg/m3 (91) | 100.0 | |
| Oct. 9, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 339.0 μg/m3 (193) | 74.0 μg/m3 (161) | 193.0 | |
| Oct. 9, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 171.0 μg/m3 (109) | 35.0 μg/m3 (100) | 109.0 | |
| Oct. 9, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 121.0 μg/m3 (84) | 27.0 μg/m3 (83) | 84.0 | |
| Oct. 9, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 5.0 μg/m3 (21) | 38.0 | |
| Oct. 9, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 25.0 | |
| Oct. 9, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 5.0 μg/m3 (21) | 22.0 | |
| Oct. 9, 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) | 4.0 μg/m3 (17) | 18.0 | |
| Oct. 9, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 15.0 | |
| Oct. 9, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 2.0 μg/m3 (9) | 15.0 | |
| Oct. 9, 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) | 3.0 μg/m3 (13) | 13.0 | |
| Oct. 9, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 13.0 | |
| Oct. 9, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 3.0 μg/m3 (13) | 13.0 | |
| Oct. 9, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
| Oct. 9, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 9.0 μg/m3 (38) | 38.0 | |
| Oct. 9, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 14.0 | |
| Oct. 9, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 3.0 μg/m3 (13) | 18.0 | |
| Oct. 9, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 15.0 | |
| Oct. 9, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 0.0 μg/m3 (0) | 16.0 | |
| Oct. 9, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 2.0 μg/m3 (9) | 17.0 | |
| Oct. 9, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 25.0 | |
| Oct. 9, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 9, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 9, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 129.0 μg/m3 (88) | 23.0 μg/m3 (74) | 88.0 | |
| Oct. 8, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 176.0 μg/m3 (112) | 38.0 μg/m3 (108) | 112.0 |