Anchorage (Airport Heights) AK, US: 61.205861, -149.8246
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 1.0 μg/m3 (5) | 12.0 | |
| June 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
| June 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 4.0 μg/m3 (4) | 3.0 μg/m3 (13) | 13.0 | |
| June 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 13.0 | |
| June 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
| June 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
| June 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
| June 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 6.0 μg/m3 (25) | 25.0 | |
| June 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 5.0 μg/m3 (5) | 7.0 μg/m3 (30) | 30.0 | |
| June 19, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
| June 19, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 9.0 μg/m3 (9) | 5.0 μg/m3 (21) | 21.0 | |
| June 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| June 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| June 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 17.0 μg/m3 (16) | 7.0 μg/m3 (30) | 30.0 | |
| June 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 12.0 μg/m3 (12) | 10.0 μg/m3 (42) | 42.0 | |
| June 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 13.0 μg/m3 (13) | 3.0 μg/m3 (13) | 13.0 | |
| June 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 4.0 μg/m3 (17) | 17.0 | |
| June 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
| June 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 4.0 μg/m3 (4) | 3.0 μg/m3 (13) | 13.0 | |
| June 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 9.0 | |
| June 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
| June 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
| June 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 2.0 μg/m3 (9) | 9.0 | |
| June 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 0.0 μg/m3 (0) | 9.0 | |
| June 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 0.0 μg/m3 (0) | 9.0 | |
| June 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 17.0 | |
| June 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 15.0 μg/m3 (14) | 6.0 μg/m3 (25) | 25.0 | |
| June 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 16.0 | |
| June 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 5.0 μg/m3 (21) | 21.0 | |
| June 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 7.0 μg/m3 (7) | 6.0 μg/m3 (25) | 25.0 | |
| June 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 9.0 | |
| June 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 13.0 | |
| June 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 ppb (28) | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 28.0 | |
| June 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 6.0 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
| June 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 6.0 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
| June 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
| June 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 4.0 μg/m3 (17) | 17.0 | |
| June 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 8.0 | |
| June 18, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 1.0 μg/m3 (1) | 1.0 μg/m3 (5) | 5.0 | |
| June 18, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 1.0 μg/m3 (1) | 1.0 μg/m3 (5) | 5.0 | |
| June 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 3.0 μg/m3 (3) | 2.0 μg/m3 (9) | 9.0 | |
| June 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
| June 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 7.0 | |
| June 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 2.0 μg/m3 (9) | 11.0 | |
| June 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
| June 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 2.0 μg/m3 (2) | 2.0 μg/m3 (9) | 9.0 | |
| June 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 0.0 μg/m3 (0) | 6.0 | |
| June 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | -1.0 μg/m3 (0) | 11.0 | |
| June 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 2.0 μg/m3 (9) | 9.0 | |
| June 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 8.0 μg/m3 (34) | 34.0 | |
| June 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 7.0 μg/m3 (7) | 6.0 μg/m3 (25) | 25.0 | |
| June 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 4.0 μg/m3 (4) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
| June 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | 3.0 μg/m3 (13) | 13.0 | |
| June 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| June 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 5.0 μg/m3 (5) | 8.0 μg/m3 (34) | 34.0 | |
| June 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 6.0 μg/m3 (6) | 8.0 μg/m3 (34) | 34.0 | |
| June 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 6.0 μg/m3 (6) | 6.0 μg/m3 (25) | 25.0 | |
| June 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 9.0 μg/m3 (9) | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 9.0 | |
| June 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 13.0 | |
| June 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 9.0 | |
| June 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 10.0 μg/m3 (10) | 2.0 μg/m3 (9) | 10.0 | |
| June 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 12.0 | |
| June 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 12.0 | |
| June 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 13.0 μg/m3 (13) | 3.0 μg/m3 (13) | 13.0 | |
| June 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 11.0 μg/m3 (11) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 14.0 μg/m3 (13) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 10.0 μg/m3 (10) | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 16.0 μg/m3 (15) | 10.0 μg/m3 (42) | 42.0 | |
| June 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 17.0 μg/m3 (16) | 9.0 μg/m3 (38) | 38.0 | |
| June 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 14.0 | |
| June 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 10.0 μg/m3 (10) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 9.0 μg/m3 (38) | 38.0 | |
| June 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 24.0 μg/m3 (23) | 4.0 μg/m3 (17) | 23.0 | |
| June 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 19.0 μg/m3 (66) | 66.0 | |
| June 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 18.0 μg/m3 (17) | 12.0 μg/m3 (50) | 50.0 | |
| June 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 25.0 μg/m3 (24) | 5.0 μg/m3 (21) | 24.0 | |
| June 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 17.0 μg/m3 (16) | 4.0 μg/m3 (17) | 17.0 | |
| June 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 20.0 μg/m3 (19) | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 13.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | N/A | 7.0 | |
| June 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | N/A | N/A | 2.0 | |
| June 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 4.0 μg/m3 (17) | 17.0 | |
| June 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 18.0 μg/m3 (17) | 3.0 μg/m3 (13) | 17.0 | |
| June 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 10.0 μg/m3 (10) | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 13.0 μg/m3 (13) | 8.0 μg/m3 (34) | 34.0 | |
| June 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 8.0 μg/m3 (34) | 34.0 | |
| June 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | 8.0 μg/m3 (34) | 34.0 | |
| June 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 18.0 μg/m3 (17) | 16.0 μg/m3 (60) | 60.0 | |
| June 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 11.0 μg/m3 (11) | 7.0 μg/m3 (30) | 30.0 | |
| June 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 10.0 μg/m3 (10) | 9.0 μg/m3 (38) | 38.0 | |
| June 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 20.0 μg/m3 (19) | 10.0 μg/m3 (42) | 42.0 | |
| June 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 16.0 μg/m3 (15) | 9.0 μg/m3 (38) | 38.0 | |
| June 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 18.0 μg/m3 (17) | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 27.0 μg/m3 (25) | 4.0 μg/m3 (17) | 25.0 | |
| June 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 17.0 μg/m3 (16) | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 13.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 13.0 | |
| June 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 13.0 | |
| June 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 13.0 | |
| June 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 10.0 μg/m3 (10) | 2.0 μg/m3 (9) | 10.0 | |
| June 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 4.0 μg/m3 (17) | 17.0 | |
| June 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 13.0 | |
| June 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 12.0 | |
| June 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 17.0 μg/m3 (16) | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 18.0 μg/m3 (17) | 7.0 μg/m3 (30) | 30.0 | |
| June 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 8.0 μg/m3 (8) | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 7.0 μg/m3 (7) | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.9 ppb (33) | 9.0 μg/m3 (9) | 7.0 μg/m3 (30) | 33.0 | |
| June 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 13.0 μg/m3 (13) | 7.0 μg/m3 (30) | 30.0 | |
| June 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 12.0 μg/m3 (12) | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 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) | 7.0 μg/m3 (30) | 30.0 | |
| June 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 16.0 μg/m3 (15) | 8.0 μg/m3 (34) | 34.0 | |
| June 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 6.0 μg/m3 (25) | 25.0 | |
| June 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 18.0 μg/m3 (17) | 10.0 μg/m3 (42) | 42.0 | |
| June 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 14.0 μg/m3 (13) | 3.0 μg/m3 (13) | 13.0 | |
| June 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 15.0 μg/m3 (14) | 2.0 μg/m3 (9) | 14.0 | |
| June 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 13.0 | |
| June 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
| June 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 0.0 μg/m3 (0) | 6.0 | |
| June 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 1.0 μg/m3 (5) | 6.0 | |
| June 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 9.0 | |
| June 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 13.0 | |
| June 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 8.0 μg/m3 (8) | 4.0 μg/m3 (17) | 17.0 | |
| June 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 10.0 μg/m3 (10) | 2.0 μg/m3 (9) | 10.0 | |
| June 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
| June 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 9.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| June 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| June 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 6.0 μg/m3 (6) | 7.0 μg/m3 (30) | 30.0 | |
| June 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
| June 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 11.0 μg/m3 (11) | 7.0 μg/m3 (30) | 30.0 | |
| June 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 9.0 μg/m3 (9) | 7.0 μg/m3 (30) | 30.0 | |
| June 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 19.0 μg/m3 (18) | 9.0 μg/m3 (38) | 38.0 | |
| June 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 24.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| June 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 28.0 μg/m3 (26) | 9.0 μg/m3 (38) | 38.0 | |
| June 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 29.0 μg/m3 (27) | 17.0 μg/m3 (62) | 62.0 | |
| June 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 24.0 μg/m3 (23) | 15.0 μg/m3 (58) | 58.0 | |
| June 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 19.0 μg/m3 (18) | 5.0 μg/m3 (21) | 21.0 | |
| June 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| June 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 13.0 μg/m3 (13) | 3.0 μg/m3 (13) | 13.0 | |
| June 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 13.0 μg/m3 (13) | 1.0 μg/m3 (5) | 13.0 | |
| June 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 1.0 μg/m3 (5) | 11.0 | |
| June 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 11.0 μg/m3 (11) | 1.0 μg/m3 (5) | 11.0 | |
| June 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 9.0 | |
| June 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | 3.0 μg/m3 (13) | 13.0 | |
| June 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 8.0 μg/m3 (8) | 4.0 μg/m3 (17) | 17.0 | |
| June 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 3.0 μg/m3 (3) | 2.0 μg/m3 (9) | 9.0 | |
| June 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.1 ppb (2) | 7.0 μg/m3 (7) | 3.0 μg/m3 (13) | 13.0 |