Libby (Minnesota Ave) MT, US: 48.3841, -115.548
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | -1.2 μg/m3 (0) | 8.0 | |
| June 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | -2.3 μg/m3 (0) | 10.0 | |
| June 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 4.1 μg/m3 (18) | 18.0 | |
| June 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 2.4 μg/m3 (10) | 20.0 | |
| June 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | N/A | 8.0 | |
| June 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | N/A | 12.0 | |
| June 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 0.8 μg/m3 (4) | 7.0 | |
| June 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 1.3 μg/m3 (6) | 11.0 | |
| June 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 3.5 μg/m3 (15) | 15.0 | |
| June 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | -2.4 μg/m3 (0) | 8.0 | |
| June 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 4.1 μg/m3 (18) | 18.0 | |
| June 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 5.4 μg/m3 (23) | 23.0 | |
| June 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | -3.4 μg/m3 (0) | 3.0 | |
| June 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | -1.6 μg/m3 (0) | 5.0 | |
| June 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 16.9 μg/m3 (62) | 62.0 | |
| June 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 8.5 μg/m3 (36) | 36.0 | |
| June 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 2.4 μg/m3 (10) | 10.0 | |
| June 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 2.7 μg/m3 (12) | 12.0 | |
| June 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 6.5 μg/m3 (28) | 28.0 | |
| June 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 6.2 μg/m3 (26) | 26.0 | |
| June 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 14.5 μg/m3 (57) | 57.0 | |
| June 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 11.0 μg/m3 (46) | 46.0 | |
| June 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 3.6 μg/m3 (16) | 16.0 | |
| June 17, 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) | 4.6 μg/m3 (20) | 20.0 | |
| June 17, 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) | 2.1 μg/m3 (9) | 9.0 | |
| June 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | -2.3 μg/m3 (0) | 12.0 | |
| June 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 0.4 μg/m3 (2) | 10.0 | |
| June 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 3.1 μg/m3 (13) | 13.0 | |
| June 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | N/A | 1.0 | |
| June 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -4.0 μg/m3 (0) | N/A | 0.0 | |
| June 16, 2021, 10 p.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 (0) | 7.0 | |
| June 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 0.2 μg/m3 (1) | 1.0 | |
| June 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | 0.8 μg/m3 (4) | 4.0 | |
| June 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 3.8 μg/m3 (16) | 20.0 | |
| June 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 0.0 μg/m3 (0) | 13.0 | |
| June 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 3.3 μg/m3 (14) | 14.0 | |
| June 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 0.3 μg/m3 (2) | 8.0 | |
| June 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 4.2 μg/m3 (18) | 18.0 | |
| June 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 7.3 μg/m3 (31) | 31.0 | |
| June 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 9.0 μg/m3 (38) | 38.0 | |
| June 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 12.9 μg/m3 (53) | 53.0 | |
| June 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | -3.2 μg/m3 (0) | 5.0 | |
| June 16, 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) | 8.1 μg/m3 (34) | 34.0 | |
| 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) | 0.0 μg/m3 (0) | 24.0 | |
| June 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 9.1 μg/m3 (38) | 38.0 | |
| June 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 16.0 μg/m3 (60) | 60.0 | |
| June 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 8.8 μg/m3 (37) | 37.0 | |
| June 16, 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) | 5.8 μg/m3 (25) | 25.0 | |
| June 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 3.7 μg/m3 (16) | 16.0 | |
| June 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | -0.6 μg/m3 (0) | 5.0 | |
| June 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 4.7 μg/m3 (20) | 20.0 | |
| June 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | N/A | 4.0 | |
| June 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | N/A | 13.0 | |
| June 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 3.6 μg/m3 (16) | 16.0 | |
| June 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 1.8 μg/m3 (8) | 13.0 | |
| June 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 4.0 | |
| June 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 5.9 μg/m3 (25) | 25.0 | |
| June 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 10.0 μg/m3 (42) | 42.0 | |
| June 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 1.0 μg/m3 (5) | 9.0 | |
| June 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 1.3 μg/m3 (6) | 6.0 | |
| June 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | N/A | 2.0 | |
| June 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 11.2 μg/m3 (47) | 47.0 | |
| June 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 16.1 μg/m3 (60) | 60.0 | |
| June 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 9.6 μg/m3 (40) | 40.0 | |
| June 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 3.3 μg/m3 (14) | 14.0 | |
| June 15, 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) | 9.7 μg/m3 (41) | 41.0 | |
| June 15, 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) | 0.5 μg/m3 (3) | 13.0 | |
| June 15, 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) | 7.4 μg/m3 (31) | 31.0 | |
| June 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | N/A | 14.0 | |
| June 15, 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) | 8.5 μg/m3 (36) | 36.0 | |
| June 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 3.9 μg/m3 (17) | 17.0 | |
| June 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | N/A | 11.0 | |
| June 15, 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) | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 1.6 μg/m3 (7) | 10.0 | |
| June 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 9.0 | |
| June 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | -3.8 μg/m3 (0) | 15.0 | |
| June 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | N/A | 14.0 | |
| June 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 2.3 μg/m3 (10) | 10.0 | |
| June 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.1 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 | N/A | 12.0 μg/m3 (12) | -3.2 μg/m3 (0) | 12.0 | |
| June 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 7.8 μg/m3 (33) | 33.0 | |
| June 14, 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) | 10.0 μg/m3 (42) | 42.0 | |
| June 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 3.2 μg/m3 (14) | 16.0 | |
| June 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | -4.8 μg/m3 (0) | 15.0 | |
| June 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | -1.0 μg/m3 (0) | 8.0 | |
| June 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 3.4 μg/m3 (15) | 15.0 | |
| June 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 13.9 μg/m3 (55) | 55.0 | |
| June 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 5.2 μg/m3 (22) | 22.0 | |
| June 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 6.8 μg/m3 (29) | 29.0 | |
| June 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 2.4 μg/m3 (10) | 13.0 | |
| June 14, 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) | 9.1 μg/m3 (38) | 38.0 | |
| June 14, 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) | 3.2 μg/m3 (14) | 14.0 | |
| June 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 4.7 μg/m3 (20) | 20.0 | |
| June 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 14.4 μg/m3 (56) | 56.0 | |
| June 14, 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) | 1.9 μg/m3 (8) | 17.0 | |
| June 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 7.8 μg/m3 (33) | 33.0 | |
| June 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | -4.9 μg/m3 (0) | 3.0 | |
| June 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 8.8 μg/m3 (37) | 37.0 | |
| June 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -4.0 μg/m3 (0) | -0.6 μg/m3 (0) | 0.0 | |
| June 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 1.4 μg/m3 (6) | 6.0 | |
| June 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | N/A | 6.0 | |
| June 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | -4.1 μg/m3 (0) | 3.0 | |
| June 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | 6.3 μg/m3 (27) | 27.0 | |
| June 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 3.0 μg/m3 (13) | 13.0 | |
| June 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 0.9 μg/m3 (4) | 4.0 | |
| June 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 0.1 μg/m3 (1) | 5.0 | |
| June 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 3.4 μg/m3 (15) | 15.0 | |
| June 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 3.2 μg/m3 (14) | 14.0 | |
| June 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 10.8 μg/m3 (46) | 46.0 | |
| June 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 7.7 μg/m3 (33) | 33.0 | |
| June 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 6.7 μg/m3 (28) | 28.0 | |
| June 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 1.6 μg/m3 (7) | 7.0 | |
| June 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 8.1 μg/m3 (34) | 34.0 | |
| June 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 0.4 μg/m3 (2) | 8.0 | |
| June 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 13.0 μg/m3 (53) | 53.0 | |
| June 13, 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) | 4.6 μg/m3 (20) | 20.0 | |
| June 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 8.9 μg/m3 (38) | 38.0 | |
| June 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 1.3 μg/m3 (6) | 9.0 | |
| June 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 7.3 μg/m3 (31) | 31.0 | |
| June 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 5.1 μg/m3 (22) | 29.0 | |
| June 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 7.0 μg/m3 (30) | 30.0 | |
| June 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 5.2 μg/m3 (22) | 22.0 | |
| June 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 3.1 μg/m3 (13) | 13.0 | |
| June 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 0.1 μg/m3 (1) | 1.0 | |
| June 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -2.0 μg/m3 (0) | -2.8 μg/m3 (0) | 0.0 | |
| June 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 0.0 μg/m3 (0) | 1.0 | |
| June 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | -1.5 μg/m3 (0) | 1.0 | |
| June 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 3.1 μg/m3 (13) | 13.0 | |
| June 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 7.0 μg/m3 (30) | 30.0 | |
| June 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 1.2 μg/m3 (5) | 5.0 | |
| June 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 7.6 μg/m3 (32) | 32.0 | |
| June 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 1.9 μg/m3 (8) | 8.0 | |
| June 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 3.7 μg/m3 (16) | 16.0 | |
| June 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 11.8 μg/m3 (50) | 50.0 | |
| June 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 6.4 μg/m3 (27) | 27.0 | |
| June 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 11.3 μg/m3 (48) | 48.0 | |
| June 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | -3.1 μg/m3 (0) | 7.0 | |
| June 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 6.7 μg/m3 (28) | 28.0 | |
| June 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 9.9 μg/m3 (42) | 42.0 | |
| June 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | -2.5 μg/m3 (0) | 13.0 | |
| June 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 9.2 μg/m3 (39) | 39.0 | |
| June 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | 5.3 μg/m3 (23) | 23.0 | |
| June 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 3.3 μg/m3 (14) | 14.0 | |
| June 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | -1.2 μg/m3 (0) | 6.0 | |
| June 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 4.9 μg/m3 (21) | 21.0 | |
| June 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 2.1 μg/m3 (9) | 28.0 | |
| June 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 1.6 μg/m3 (7) | 14.0 | |
| June 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 8.4 μg/m3 (36) | 36.0 | |
| June 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | N/A | 5.0 | |
| June 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 0.7 μg/m3 (3) | 4.0 | |
| June 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | -0.7 μg/m3 (0) | 12.0 | |
| June 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 4.2 μg/m3 (18) | 18.0 | |
| June 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | -0.2 μg/m3 (0) | 10.0 | |
| June 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 2.3 μg/m3 (10) | 10.0 | |
| June 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 1.1 μg/m3 (5) | 7.0 | |
| June 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 7.9 μg/m3 (33) | 33.0 | |
| June 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | -0.1 μg/m3 (0) | 13.0 | |
| June 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 7.3 μg/m3 (31) | 31.0 | |
| June 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 3.3 μg/m3 (14) | 14.0 | |
| June 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 8.4 μg/m3 (36) | 36.0 | |
| June 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 7.8 μg/m3 (33) | 33.0 | |
| June 11, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 2.7 μg/m3 (12) | 12.0 | |
| June 11, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 2.8 μg/m3 (12) | 12.0 | |
| June 11, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 9.8 μg/m3 (41) | 41.0 | |
| June 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | N/A | 0.0 | |
| June 11, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | -0.8 μg/m3 (0) | 2.0 | |
| June 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 8.4 μg/m3 (36) | 36.0 |