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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 6.0 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 8.0 μg/m3 (8) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 10.0 μg/m3 (10) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 13.0 μg/m3 (13) | 13.0 μg/m3 (53) | 53.0 | |
Jan. 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 16.0 μg/m3 (15) | 16.0 μg/m3 (60) | 60.0 | |
Jan. 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.4 ppb (16) | 44.0 μg/m3 (41) | 50.0 μg/m3 (137) | 137.0 | |
Jan. 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.5 ppb (18) | 30.0 μg/m3 (28) | 29.0 μg/m3 (87) | 87.0 | |
Jan. 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.6 ppb (19) | 37.0 μg/m3 (35) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.4 ppb (16) | 35.0 μg/m3 (33) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (13) | 36.0 μg/m3 (34) | 33.0 μg/m3 (95) | 95.0 | |
Jan. 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 7.0 μg/m3 (7) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 9.0 μg/m3 (9) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 8.0 μg/m3 (8) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 6.0 μg/m3 (6) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 8.0 μg/m3 (8) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 7.0 μg/m3 (7) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 9 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) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 8 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 | |
Jan. 15, 2021, 7 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) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 15, 2021, 4 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) | 1.0 μg/m3 (5) | 5.0 | |
Jan. 15, 2021, 3 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 | |
Jan. 15, 2021, 2 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) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 15, 2021, 1 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) | 1.0 μg/m3 (5) | 5.0 | |
Jan. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 ppb (29) | 2.0 μg/m3 (2) | 2.0 μg/m3 (9) | 29.0 | |
Jan. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 3.0 μg/m3 (3) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 7.0 | |
Jan. 15, 2021, 9 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) | 2.0 μg/m3 (9) | 10.0 | |
Jan. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 16.0 μg/m3 (15) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 10.0 μg/m3 (10) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.2 ppb (14) | 24.0 μg/m3 (23) | 20.0 μg/m3 (68) | 68.0 | |
Jan. 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.2 ppb (14) | 17.0 μg/m3 (16) | 16.0 μg/m3 (60) | 60.0 | |
Jan. 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 12.0 μg/m3 (12) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 3.0 μg/m3 (3) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 14, 2021, 11 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) | 1.0 μg/m3 (5) | 5.0 | |
Jan. 14, 2021, 10 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) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 5.0 μg/m3 (5) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 4.0 μg/m3 (4) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 3.0 μg/m3 (3) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 4.0 μg/m3 (4) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 7.0 | |
Jan. 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 10.0 μg/m3 (10) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 14.0 μg/m3 (13) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 15.0 μg/m3 (14) | 18.0 μg/m3 (64) | 64.0 | |
Jan. 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 10.0 μg/m3 (10) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 27.0 μg/m3 (25) | 22.0 μg/m3 (72) | 72.0 | |
Jan. 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 27.0 μg/m3 (25) | 29.0 μg/m3 (87) | 87.0 | |
Jan. 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (13) | 28.0 μg/m3 (26) | 26.0 μg/m3 (81) | 81.0 | |
Jan. 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (11) | 17.0 μg/m3 (16) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 9.0 μg/m3 (9) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 6.0 μg/m3 (6) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
Jan. 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 6.0 μg/m3 (6) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 7.0 μg/m3 (7) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 7.0 μg/m3 (7) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 12.0 μg/m3 (12) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 4.0 μg/m3 (4) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 7.0 μg/m3 (7) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 11.0 μg/m3 (11) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 15.0 μg/m3 (14) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 12.0 μg/m3 (12) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 11.0 μg/m3 (11) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 10.0 μg/m3 (10) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (13) | 22.0 μg/m3 (21) | 19.0 μg/m3 (66) | 66.0 | |
Jan. 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.2 ppb (14) | 14.0 μg/m3 (13) | 26.0 μg/m3 (81) | 81.0 | |
Jan. 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.6 ppb (19) | 27.0 μg/m3 (25) | 26.0 μg/m3 (81) | 81.0 | |
Jan. 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.7 ppb (20) | 36.0 μg/m3 (34) | 35.0 μg/m3 (100) | 100.0 | |
Jan. 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.7 ppb (20) | 27.0 μg/m3 (25) | 28.0 μg/m3 (85) | 85.0 | |
Jan. 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.8 ppb (21) | 32.0 μg/m3 (30) | 28.0 μg/m3 (85) | 85.0 | |
Jan. 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.5 ppb (18) | 15.0 μg/m3 (14) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (13) | 14.0 μg/m3 (13) | 16.0 μg/m3 (60) | 60.0 | |
Jan. 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (11) | 10.0 μg/m3 (10) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 12.0 μg/m3 (12) | 13.0 μg/m3 (53) | 53.0 | |
Jan. 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.3 ppb (15) | 13.0 μg/m3 (13) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.5 ppb (18) | 14.0 μg/m3 (13) | 18.0 μg/m3 (64) | 64.0 | |
Jan. 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.3 ppb (15) | 8.0 μg/m3 (8) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.3 ppb (15) | 7.0 μg/m3 (7) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.2 ppb (14) | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (13) | 7.0 μg/m3 (7) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 12, 2021, 3 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) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 4.0 μg/m3 (4) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 6.0 μg/m3 (6) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 8.0 μg/m3 (8) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 5.0 μg/m3 (5) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 7.0 μg/m3 (7) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 8.0 μg/m3 (8) | 12.0 μg/m3 (50) | 50.0 | |
Jan. 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (11) | 21.0 μg/m3 (20) | 21.0 μg/m3 (70) | 70.0 | |
Jan. 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 29.0 μg/m3 (27) | 33.0 μg/m3 (95) | 95.0 | |
Jan. 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 14.0 μg/m3 (13) | 12.0 μg/m3 (50) | 50.0 | |
Jan. 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 18.0 μg/m3 (17) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 12.0 μg/m3 (12) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 2.0 μg/m3 (2) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 7.0 μg/m3 (7) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 9.0 μg/m3 (9) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 8.0 μg/m3 (8) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (11) | 10.0 μg/m3 (10) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 9.0 μg/m3 (9) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 9.0 μg/m3 (9) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 8.0 μg/m3 (8) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 2.0 μg/m3 (2) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 2.0 μg/m3 (2) | 3.0 μg/m3 (13) | 13.0 | |
Jan. 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 3.0 μg/m3 (3) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 11, 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) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 ppb (29) | 4.0 μg/m3 (4) | 1.0 μg/m3 (5) | 29.0 | |
Jan. 11, 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) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 11, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 4.0 μg/m3 (4) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 11, 2021, 9 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) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 11, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 14.0 μg/m3 (13) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (13) | 25.0 μg/m3 (24) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 11, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.2 ppb (14) | 26.0 μg/m3 (25) | 24.0 μg/m3 (77) | 77.0 | |
Jan. 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.3 ppb (15) | 37.0 μg/m3 (35) | 37.0 μg/m3 (105) | 105.0 | |
Jan. 11, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 18.0 μg/m3 (17) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 11, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 26.0 μg/m3 (25) | 20.0 μg/m3 (68) | 68.0 | |
Jan. 11, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (12) | 29.0 μg/m3 (27) | 19.0 μg/m3 (66) | 66.0 | |
Jan. 11, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (13) | 22.0 μg/m3 (21) | 19.0 μg/m3 (66) | 66.0 | |
Jan. 11, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (11) | 15.0 μg/m3 (14) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 10, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 10.0 μg/m3 (10) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 10, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 8.0 μg/m3 (8) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 10, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 9.0 μg/m3 (9) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 10, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 9.0 μg/m3 (9) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 10, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 9.0 μg/m3 (9) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 10, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 10, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 4.0 μg/m3 (4) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 10, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 1.0 μg/m3 (1) | 1.0 μg/m3 (5) | 6.0 | |
Jan. 10, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 1.0 μg/m3 (1) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 10, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 10, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 10, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 4.0 μg/m3 (4) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 10, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 10, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 7.0 μg/m3 (7) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 10, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 8.0 μg/m3 (8) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 10, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | 12.0 μg/m3 (12) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 10, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 13.0 μg/m3 (13) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 10, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 20.0 μg/m3 (19) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 10, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 13.0 μg/m3 (13) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 10, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 27.0 μg/m3 (25) | 27.0 μg/m3 (83) | 83.0 | |
Jan. 10, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 17.0 μg/m3 (16) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 10, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | 14.0 μg/m3 (13) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 10, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 10, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 3.0 μg/m3 (3) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 9, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 3.0 μg/m3 (3) | 1.0 μg/m3 (5) | 5.0 | |
Jan. 9, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 2.0 μg/m3 (2) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 9, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 1.0 μg/m3 (1) | 1.0 μg/m3 (5) | 5.0 | |
Jan. 9, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 4.0 μg/m3 (4) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 9, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.5 ppb (6) | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 9, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.4 ppb (5) | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 9, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.3 ppb (4) | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 4.0 |