Honolulu (Downtown) HI, US: 21.310301, -157.858093
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.3 ppb (3) | 10.0 μg/m3 (9) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 21.0 μg/m3 (19) | 4.0 μg/m3 (17) | 19.0 | |
| Jan. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 2.0 μg/m3 (8) | 13.0 | |
| Jan. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 1.0 μg/m3 (4) | 15.0 | |
| Jan. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 20.0 μg/m3 (18) | 3.0 μg/m3 (12) | 18.0 | |
| Jan. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 16.0 μg/m3 (15) | 1.0 μg/m3 (4) | 15.0 | |
| Jan. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 21.0 μg/m3 (19) | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 27.0 μg/m3 (25) | 8.0 μg/m3 (33) | 33.0 | |
| Jan. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 26.0 μg/m3 (24) | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 21.0 μg/m3 (19) | 0.0 μg/m3 (0) | 19.0 | |
| Jan. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 23.0 μg/m3 (21) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 17.0 μg/m3 (15) | 2.0 μg/m3 (8) | 15.0 | |
| Jan. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.8 ppb (9) | 20.0 μg/m3 (18) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.6 ppb (7) | 20.0 μg/m3 (18) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.3 ppb (3) | 13.0 μg/m3 (12) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 2.0 μg/m3 (8) | 13.0 | |
| Jan. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 15.0 μg/m3 (14) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 3.0 μg/m3 (12) | 13.0 | |
| Jan. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 13.0 μg/m3 (12) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 13.0 μg/m3 (12) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 18.0 μg/m3 (16) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 18.0 μg/m3 (16) | 3.0 μg/m3 (12) | 16.0 | |
| Jan. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 19.0 μg/m3 (17) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 16.0 μg/m3 (15) | 3.0 μg/m3 (12) | 15.0 | |
| Jan. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 23.0 μg/m3 (21) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 19.0 μg/m3 (17) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 18.0 μg/m3 (16) | 3.0 μg/m3 (12) | 16.0 | |
| Jan. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 23.0 μg/m3 (21) | 4.0 μg/m3 (17) | 21.0 | |
| Jan. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 10.0 μg/m3 (9) | 0.0 μg/m3 (0) | 9.0 | |
| Jan. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 6.0 μg/m3 (5) | 1.0 μg/m3 (4) | 5.0 | |
| Jan. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 9.0 μg/m3 (8) | 1.0 μg/m3 (4) | 8.0 | |
| Jan. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 9.0 μg/m3 (8) | 0.0 μg/m3 (0) | 8.0 | |
| Jan. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 7.0 μg/m3 (6) | 0.0 μg/m3 (0) | 6.0 | |
| Jan. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 5.0 μg/m3 (5) | 1.0 μg/m3 (4) | 5.0 | |
| Jan. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 5.0 μg/m3 (5) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 7.0 μg/m3 (6) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 11.0 μg/m3 (10) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 2.0 μg/m3 (8) | 13.0 | |
| Jan. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (8) | 0.0 μg/m3 (0) | 8.0 | |
| Jan. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 14.0 μg/m3 (13) | 3.0 μg/m3 (12) | 13.0 | |
| Jan. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 13.0 μg/m3 (12) | 2.0 μg/m3 (8) | 12.0 | |
| Jan. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 1.0 μg/m3 (4) | 13.0 | |
| Jan. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 11.0 μg/m3 (10) | 0.0 μg/m3 (0) | 10.0 | |
| Jan. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 12.0 μg/m3 (11) | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 16.0 μg/m3 (15) | 1.0 μg/m3 (4) | 15.0 | |
| Jan. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 2.0 μg/m3 (8) | 15.0 | |
| Jan. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 18.0 μg/m3 (16) | 3.0 μg/m3 (12) | 16.0 | |
| Jan. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 17.0 μg/m3 (15) | 2.0 μg/m3 (8) | 15.0 | |
| Jan. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 13.0 μg/m3 (12) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 11.0 μg/m3 (10) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 13.0 μg/m3 (12) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 14.0 μg/m3 (13) | 3.0 μg/m3 (12) | 13.0 | |
| Jan. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 11.0 μg/m3 (10) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 10.0 μg/m3 (9) | 0.0 μg/m3 (0) | 9.0 | |
| Jan. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 16.0 μg/m3 (15) | 0.0 μg/m3 (0) | 15.0 | |
| Jan. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 13.0 μg/m3 (12) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 6.0 μg/m3 (5) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 8.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 10.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 14.0 μg/m3 (13) | 0.0 μg/m3 (0) | 13.0 | |
| Jan. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 15.0 μg/m3 (14) | 0.0 μg/m3 (0) | 14.0 | |
| Jan. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 13.0 μg/m3 (12) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 13.0 μg/m3 (12) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 18.0 μg/m3 (16) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 16.0 μg/m3 (15) | 2.0 μg/m3 (8) | 15.0 | |
| Jan. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 13.0 μg/m3 (12) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 15.0 μg/m3 (14) | 8.0 μg/m3 (33) | 33.0 | |
| Jan. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 18.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 17.0 μg/m3 (15) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 18.0 μg/m3 (16) | 3.0 μg/m3 (12) | 16.0 | |
| Jan. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 17.0 μg/m3 (15) | 3.0 μg/m3 (12) | 15.0 | |
| Jan. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 20.0 μg/m3 (18) | 8.0 μg/m3 (33) | 33.0 | |
| Jan. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 15.0 μg/m3 (14) | 3.0 μg/m3 (12) | 14.0 | |
| Jan. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 10.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 13.0 μg/m3 (12) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 10.0 μg/m3 (9) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 5.0 | |
| Jan. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 8.0 μg/m3 (7) | 0.0 μg/m3 (0) | 7.0 | |
| Jan. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 10.0 μg/m3 (9) | 1.0 μg/m3 (4) | 9.0 | |
| Jan. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 12.0 μg/m3 (11) | 1.0 μg/m3 (4) | 11.0 | |
| Jan. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 13.0 μg/m3 (12) | 2.0 μg/m3 (8) | 12.0 | |
| Jan. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 15.0 μg/m3 (14) | 1.0 μg/m3 (4) | 14.0 | |
| Jan. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 8.0 μg/m3 (7) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 5.0 μg/m3 (5) | 2.0 μg/m3 (8) | 8.0 | |
| Jan. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 5.0 μg/m3 (5) | 2.0 μg/m3 (8) | 8.0 | |
| Jan. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 4.0 μg/m3 (4) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 6.0 μg/m3 (5) | 1.0 μg/m3 (4) | 5.0 | |
| Jan. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 8.0 μg/m3 (7) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 4.0 | |
| Jan. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 5.0 μg/m3 (5) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 4.0 | |
| Jan. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 6.0 μg/m3 (5) | 2.0 μg/m3 (8) | 8.0 | |
| Jan. 17, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 6.0 μg/m3 (5) | 1.0 μg/m3 (4) | 5.0 | |
| Jan. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 6.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 7.0 μg/m3 (6) | 0.0 μg/m3 (0) | 6.0 | |
| Jan. 17, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 11.0 μg/m3 (10) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 16, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 18.0 μg/m3 (16) | 0.0 μg/m3 (0) | 16.0 | |
| Jan. 16, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 11.0 μg/m3 (10) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 16, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 7.0 μg/m3 (6) | 2.0 μg/m3 (8) | 8.0 | |
| Jan. 16, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 11.0 μg/m3 (10) | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 16, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.3 ppb (3) | 9.0 μg/m3 (8) | 0.0 μg/m3 (0) | 8.0 | |
| Jan. 16, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 11.0 μg/m3 (10) | 1.0 μg/m3 (4) | 10.0 | |
| Jan. 16, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.5 ppb (6) | 19.0 μg/m3 (17) | 1.0 μg/m3 (4) | 17.0 | |
| Jan. 16, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.3 ppb (3) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 16, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 16, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 21.0 μg/m3 (19) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 16, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 19.0 μg/m3 (17) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 16, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 18.0 μg/m3 (16) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 16, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (1) | 24.0 μg/m3 (22) | 8.0 μg/m3 (33) | 33.0 | |
| Jan. 16, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (18) | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 16, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (19) | 3.0 μg/m3 (12) | 19.0 | |
| Jan. 16, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (21) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 16, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 3.0 μg/m3 (12) | 20.0 | |
| Jan. 15, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (18) | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 15, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 1.0 μg/m3 (4) | 15.0 | |
| Jan. 15, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (10) | 8.0 μg/m3 (33) | 33.0 | |
| Jan. 15, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (17) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 15, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 1.0 μg/m3 (4) | 12.0 | |
| Jan. 15, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 18.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 15, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 16.0 μg/m3 (15) | 0.0 μg/m3 (0) | 15.0 | |
| Jan. 15, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 15, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 9.0 μg/m3 (8) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 15, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 12.0 μg/m3 (11) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 15, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 10.0 μg/m3 (9) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 15, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 20.0 μg/m3 (18) | 4.0 μg/m3 (17) | 18.0 | |
| Jan. 15, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 15, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 8.0 μg/m3 (7) | 0.0 μg/m3 (0) | 7.0 | |
| Jan. 15, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 10.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 15, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 9.0 μg/m3 (8) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 15, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 10.0 μg/m3 (9) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 15, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 10.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 15, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 13.0 μg/m3 (12) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 15, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 12.0 μg/m3 (11) | 3.0 μg/m3 (12) | 12.0 | |
| Jan. 15, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.4 ppb (4) | 11.0 μg/m3 (10) | 3.0 μg/m3 (12) | 12.0 |