Bismarck (Bismarck Cathedral Area Historic Dist) ND, US: 46.8253, -100.7681
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 28, 2021, 4 a.m. | 4.1 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.15 ppb (2) | 11.9 μg/m3 (12) | 6.2 μg/m3 (26) | 26.0 | |
Jan. 28, 2021, 3 a.m. | 3.6 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | N/A | 11.7 μg/m3 (11) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 28, 2021, 2 a.m. | 3.9 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 13.8 μg/m3 (13) | 6.2 μg/m3 (26) | 26.0 | |
Jan. 28, 2021, 1 a.m. | 3.8 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.15 ppb (2) | 11.4 μg/m3 (11) | 5.4 μg/m3 (23) | 23.0 | |
Jan. 28, 2021, midnight | 4.6 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.16 ppb (3) | 10.8 μg/m3 (10) | 5.3 μg/m3 (23) | 23.0 | |
Jan. 27, 2021, 11 p.m. | 5.1 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.17 ppb (3) | 9.4 μg/m3 (9) | 5.3 μg/m3 (23) | 23.0 | |
Jan. 27, 2021, 10 p.m. | 5.1 ppb (5) | 1.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.17 ppb (3) | 9.8 μg/m3 (10) | 4.7 μg/m3 (20) | 23.0 | |
Jan. 27, 2021, 9 p.m. | 5.1 ppb (5) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.15 ppb (2) | 9.5 μg/m3 (9) | 3.9 μg/m3 (17) | 24.0 | |
Jan. 27, 2021, 8 p.m. | 3.5 ppb (4) | 1.3 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.15 ppb (2) | 7.0 μg/m3 (7) | 3.5 μg/m3 (15) | 24.0 | |
Jan. 27, 2021, 7 p.m. | 3.3 ppb (4) | 1.4 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.15 ppb (2) | 8.3 μg/m3 (8) | 3.2 μg/m3 (14) | 23.0 | |
Jan. 27, 2021, 6 p.m. | 2.9 ppb (3) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.14 ppb (2) | 9.1 μg/m3 (9) | 3.1 μg/m3 (13) | 23.0 | |
Jan. 27, 2021, 5 p.m. | 2.9 ppb (3) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.14 ppb (2) | 7.1 μg/m3 (7) | 2.5 μg/m3 (11) | 22.0 | |
Jan. 27, 2021, 4 p.m. | 2.6 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.14 ppb (2) | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 22.0 | |
Jan. 27, 2021, 3 p.m. | 2.7 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.15 ppb (2) | 6.0 μg/m3 (6) | 2.1 μg/m3 (9) | 22.0 | |
Jan. 27, 2021, 2 p.m. | 3.5 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.15 ppb (2) | 3.8 μg/m3 (4) | 2.1 μg/m3 (9) | 22.0 | |
Jan. 27, 2021, 1 p.m. | 2.7 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.15 ppb (2) | 3.8 μg/m3 (4) | 1.5 μg/m3 (7) | 23.0 | |
Jan. 27, 2021, noon | 2.0 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.14 ppb (2) | 3.1 μg/m3 (3) | 1.4 μg/m3 (6) | 23.0 | |
Jan. 27, 2021, 11 a.m. | 2.0 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.13 ppb (2) | 3.6 μg/m3 (4) | 1.6 μg/m3 (7) | 23.0 | |
Jan. 27, 2021, 10 a.m. | 2.4 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.14 ppb (2) | 3.1 μg/m3 (3) | 1.8 μg/m3 (8) | 22.0 | |
Jan. 27, 2021, 9 a.m. | 2.1 ppb (2) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.13 ppb (2) | 4.6 μg/m3 (5) | 1.7 μg/m3 (8) | 24.0 | |
Jan. 27, 2021, 8 a.m. | 2.1 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.13 ppb (2) | 7.1 μg/m3 (7) | 1.6 μg/m3 (7) | 24.0 | |
Jan. 27, 2021, 7 a.m. | 2.6 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.13 ppb (2) | 6.3 μg/m3 (6) | 1.5 μg/m3 (7) | 24.0 | |
Jan. 27, 2021, 6 a.m. | 3.5 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.13 ppb (2) | 5.9 μg/m3 (6) | 1.4 μg/m3 (6) | 24.0 | |
Jan. 27, 2021, 5 a.m. | 3.1 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.13 ppb (2) | 8.1 μg/m3 (8) | 1.3 μg/m3 (6) | 25.0 | |
Jan. 27, 2021, 4 a.m. | 2.7 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.13 ppb (2) | 8.3 μg/m3 (8) | 1.5 μg/m3 (7) | 26.0 | |
Jan. 27, 2021, 3 a.m. | 3.7 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | 5.9 μg/m3 (6) | 1.3 μg/m3 (6) | 26.0 | |
Jan. 27, 2021, 2 a.m. | 2.9 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 6.3 μg/m3 (6) | 1.5 μg/m3 (7) | 27.0 | |
Jan. 27, 2021, 1 a.m. | 3.3 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.13 ppb (2) | 5.2 μg/m3 (5) | 1.4 μg/m3 (6) | 26.0 | |
Jan. 27, 2021, midnight | 3.7 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.13 ppb (2) | 7.3 μg/m3 (7) | 1.8 μg/m3 (8) | 25.0 | |
Jan. 26, 2021, 11 p.m. | 4.7 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.14 ppb (2) | 7.1 μg/m3 (7) | 2.9 μg/m3 (13) | 25.0 | |
Jan. 26, 2021, 10 p.m. | 3.2 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.14 ppb (2) | 6.2 μg/m3 (6) | 2.2 μg/m3 (10) | 27.0 | |
Jan. 26, 2021, 9 p.m. | 2.7 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.14 ppb (2) | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 27.0 | |
Jan. 26, 2021, 8 p.m. | 2.3 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.13 ppb (2) | 5.8 μg/m3 (6) | 2.0 μg/m3 (9) | 27.0 | |
Jan. 26, 2021, 7 p.m. | 2.3 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.14 ppb (2) | 7.9 μg/m3 (8) | 2.0 μg/m3 (9) | 27.0 | |
Jan. 26, 2021, 6 p.m. | 2.6 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.15 ppb (2) | 7.5 μg/m3 (7) | 2.0 μg/m3 (9) | 26.0 | |
Jan. 26, 2021, 5 p.m. | 3.0 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.16 ppb (3) | 9.2 μg/m3 (9) | 2.1 μg/m3 (9) | 26.0 | |
Jan. 26, 2021, 4 p.m. | 3.0 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.14 ppb (2) | 6.6 μg/m3 (7) | 1.9 μg/m3 (8) | 26.0 | |
Jan. 26, 2021, 3 p.m. | 4.0 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.15 ppb (2) | 6.7 μg/m3 (7) | 1.8 μg/m3 (8) | 25.0 | |
Jan. 26, 2021, 2 p.m. | 4.8 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.18 ppb (3) | 5.0 μg/m3 (5) | 1.8 μg/m3 (8) | 25.0 | |
Jan. 26, 2021, 1 p.m. | 5.0 ppb (5) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.21 ppb (3) | 5.7 μg/m3 (6) | 2.4 μg/m3 (10) | 24.0 | |
Jan. 26, 2021, noon | 4.7 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.21 ppb (3) | 6.4 μg/m3 (6) | 3.1 μg/m3 (13) | 24.0 | |
Jan. 26, 2021, 11 a.m. | 5.0 ppb (5) | 1.6 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.18 ppb (3) | 8.0 μg/m3 (8) | 3.3 μg/m3 (14) | 24.0 | |
Jan. 26, 2021, 10 a.m. | 2.6 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.16 ppb (3) | 7.1 μg/m3 (7) | 2.6 μg/m3 (11) | 25.0 | |
Jan. 26, 2021, 9 a.m. | 2.3 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.16 ppb (3) | 6.7 μg/m3 (7) | 3.0 μg/m3 (13) | 25.0 | |
Jan. 26, 2021, 8 a.m. | 2.4 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.16 ppb (3) | 6.9 μg/m3 (7) | 2.8 μg/m3 (12) | 25.0 | |
Jan. 26, 2021, 7 a.m. | 2.2 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.15 ppb (2) | 4.5 μg/m3 (5) | 2.0 μg/m3 (9) | 26.0 | |
Jan. 26, 2021, 6 a.m. | 2.4 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.15 ppb (2) | 4.8 μg/m3 (5) | 1.7 μg/m3 (8) | 25.0 | |
Jan. 26, 2021, 5 a.m. | 2.8 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.16 ppb (3) | 6.9 μg/m3 (7) | 2.7 μg/m3 (12) | 25.0 | |
Jan. 26, 2021, 4 a.m. | 2.9 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.15 ppb (2) | 8.1 μg/m3 (8) | 3.3 μg/m3 (14) | 25.0 | |
Jan. 26, 2021, 3 a.m. | 2.9 ppb (3) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | 7.6 μg/m3 (8) | 3.3 μg/m3 (14) | 25.0 | |
Jan. 26, 2021, 2 a.m. | 3.3 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | 7.6 μg/m3 (8) | 3.2 μg/m3 (14) | 25.0 | |
Jan. 26, 2021, 1 a.m. | 2.7 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.17 ppb (3) | 7.8 μg/m3 (8) | 3.9 μg/m3 (17) | 24.0 | |
Jan. 26, 2021, midnight | 4.0 ppb (4) | 0.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.19 ppb (3) | 10.1 μg/m3 (10) | 4.1 μg/m3 (18) | 23.0 | |
Jan. 25, 2021, 11 p.m. | 4.0 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.19 ppb (3) | 9.9 μg/m3 (10) | 4.1 μg/m3 (18) | 23.0 | |
Jan. 25, 2021, 10 p.m. | 4.7 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.18 ppb (3) | 12.5 μg/m3 (12) | 4.8 μg/m3 (20) | 22.0 | |
Jan. 25, 2021, 9 p.m. | 3.7 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.16 ppb (3) | 12.5 μg/m3 (12) | 6.2 μg/m3 (26) | 26.0 | |
Jan. 25, 2021, 8 p.m. | 3.1 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.15 ppb (2) | 11.4 μg/m3 (11) | 5.7 μg/m3 (24) | 24.0 | |
Jan. 25, 2021, 7 p.m. | 3.4 ppb (4) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.15 ppb (2) | 10.9 μg/m3 (11) | 5.4 μg/m3 (23) | 24.0 | |
Jan. 25, 2021, 6 p.m. | 3.8 ppb (4) | 1.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.15 ppb (2) | 10.3 μg/m3 (10) | 4.9 μg/m3 (21) | 23.0 | |
Jan. 25, 2021, 5 p.m. | 4.8 ppb (5) | 1.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.15 ppb (2) | 11.9 μg/m3 (12) | 4.7 μg/m3 (20) | 21.0 | |
Jan. 25, 2021, 4 p.m. | 4.2 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.15 ppb (2) | 11.4 μg/m3 (11) | 4.4 μg/m3 (19) | 21.0 | |
Jan. 25, 2021, 3 p.m. | 4.5 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.15 ppb (2) | 10.6 μg/m3 (10) | 4.2 μg/m3 (18) | 22.0 | |
Jan. 25, 2021, 2 p.m. | 5.8 ppb (6) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.15 ppb (2) | 11.2 μg/m3 (11) | 4.3 μg/m3 (18) | 21.0 | |
Jan. 25, 2021, 1 p.m. | 5.1 ppb (5) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.16 ppb (3) | 11.6 μg/m3 (11) | 4.5 μg/m3 (19) | 21.0 | |
Jan. 25, 2021, noon | 3.9 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.15 ppb (2) | 12.0 μg/m3 (12) | 4.1 μg/m3 (18) | 22.0 | |
Jan. 25, 2021, 11 a.m. | 2.6 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.14 ppb (2) | 11.1 μg/m3 (11) | 4.4 μg/m3 (19) | 24.0 | |
Jan. 25, 2021, 10 a.m. | 2.7 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.13 ppb (2) | 12.6 μg/m3 (12) | 4.7 μg/m3 (20) | 23.0 | |
Jan. 25, 2021, 9 a.m. | 2.8 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.13 ppb (2) | 10.5 μg/m3 (10) | 4.4 μg/m3 (19) | 23.0 | |
Jan. 25, 2021, 8 a.m. | 1.9 ppb (2) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.13 ppb (2) | 8.9 μg/m3 (9) | 4.2 μg/m3 (18) | 24.0 | |
Jan. 25, 2021, 7 a.m. | 2.1 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.14 ppb (2) | 9.1 μg/m3 (9) | 4.5 μg/m3 (19) | 25.0 | |
Jan. 25, 2021, 6 a.m. | 1.9 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.14 ppb (2) | 9.0 μg/m3 (9) | 4.4 μg/m3 (19) | 25.0 | |
Jan. 25, 2021, 5 a.m. | 2.0 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.14 ppb (2) | 9.2 μg/m3 (9) | 4.1 μg/m3 (18) | 26.0 | |
Jan. 25, 2021, 4 a.m. | 1.9 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.14 ppb (2) | 9.8 μg/m3 (10) | 3.9 μg/m3 (17) | 27.0 | |
Jan. 25, 2021, 3 a.m. | 2.0 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 10.9 μg/m3 (11) | 4.0 μg/m3 (17) | 27.0 | |
Jan. 25, 2021, 2 a.m. | 2.1 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 15.7 μg/m3 (15) | 4.1 μg/m3 (18) | 27.0 | |
Jan. 25, 2021, 1 a.m. | 1.9 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.15 ppb (2) | 27.4 μg/m3 (26) | 4.4 μg/m3 (19) | 28.0 | |
Jan. 25, 2021, midnight | 2.4 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.15 ppb (2) | 12.1 μg/m3 (12) | 4.5 μg/m3 (19) | 27.0 | |
Jan. 24, 2021, 11 p.m. | 2.3 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.16 ppb (3) | 12.9 μg/m3 (12) | 4.9 μg/m3 (21) | 26.0 | |
Jan. 24, 2021, 10 p.m. | 2.4 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.15 ppb (2) | 14.8 μg/m3 (14) | 6.4 μg/m3 (27) | 27.0 | |
Jan. 24, 2021, 9 p.m. | 2.6 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.16 ppb (3) | 12.1 μg/m3 (12) | 6.7 μg/m3 (28) | 28.0 | |
Jan. 24, 2021, 8 p.m. | 2.5 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.15 ppb (2) | 11.2 μg/m3 (11) | 5.2 μg/m3 (22) | 26.0 | |
Jan. 24, 2021, 7 p.m. | 1.9 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.14 ppb (2) | 9.3 μg/m3 (9) | 3.5 μg/m3 (15) | 28.0 | |
Jan. 24, 2021, 6 p.m. | 1.8 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.15 ppb (2) | 7.5 μg/m3 (7) | 3.1 μg/m3 (13) | 28.0 | |
Jan. 24, 2021, 5 p.m. | 1.8 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.15 ppb (2) | 7.9 μg/m3 (8) | 2.8 μg/m3 (12) | 28.0 | |
Jan. 24, 2021, 4 p.m. | 2.6 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.15 ppb (2) | 7.2 μg/m3 (7) | 3.3 μg/m3 (14) | 25.0 | |
Jan. 24, 2021, 3 p.m. | 3.2 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | 0.16 ppb (3) | 6.8 μg/m3 (7) | 3.6 μg/m3 (16) | 25.0 | |
Jan. 24, 2021, 2 p.m. | 5.5 ppb (6) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.16 ppb (3) | 7.3 μg/m3 (7) | 3.8 μg/m3 (16) | 23.0 | |
Jan. 24, 2021, 1 p.m. | 5.1 ppb (5) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.16 ppb (3) | 7.9 μg/m3 (8) | 3.9 μg/m3 (17) | 23.0 | |
Jan. 24, 2021, noon | 7.7 ppb (8) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.25 ppb (3) | 8.3 μg/m3 (8) | 4.2 μg/m3 (18) | 20.0 | |
Jan. 24, 2021, 11 a.m. | 4.4 ppb (5) | 0.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.16 ppb (3) | 6.9 μg/m3 (7) | 3.6 μg/m3 (16) | 25.0 | |
Jan. 24, 2021, 10 a.m. | 5.9 ppb (6) | 0.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | 0.19 ppb (3) | 7.2 μg/m3 (7) | 3.9 μg/m3 (17) | 24.0 | |
Jan. 24, 2021, 9 a.m. | 6.6 ppb (7) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.21 ppb (3) | 8.6 μg/m3 (8) | 4.1 μg/m3 (18) | 23.0 | |
Jan. 24, 2021, 8 a.m. | 3.9 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | 0.15 ppb (2) | 8.5 μg/m3 (8) | 4.2 μg/m3 (18) | 25.0 | |
Jan. 24, 2021, 7 a.m. | 4.0 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.14 ppb (2) | 9.8 μg/m3 (10) | 4.2 μg/m3 (18) | 26.0 | |
Jan. 24, 2021, 6 a.m. | 4.9 ppb (5) | 0.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | 0.15 ppb (2) | 13.4 μg/m3 (13) | 7.3 μg/m3 (31) | 31.0 | |
Jan. 24, 2021, 5 a.m. | 4.8 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | 0.16 ppb (3) | 11.5 μg/m3 (11) | 7.8 μg/m3 (33) | 33.0 | |
Jan. 24, 2021, 4 a.m. | 4.4 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.16 ppb (3) | 13.7 μg/m3 (13) | 8.6 μg/m3 (36) | 36.0 | |
Jan. 24, 2021, 3 a.m. | 4.6 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | 11.8 μg/m3 (11) | 6.0 μg/m3 (25) | 26.0 | |
Jan. 24, 2021, 2 a.m. | 4.2 ppb (4) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 13.0 μg/m3 (13) | 5.9 μg/m3 (25) | 27.0 | |
Jan. 24, 2021, 1 a.m. | 4.7 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.16 ppb (3) | 16.3 μg/m3 (16) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 24, 2021, midnight | 4.9 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.17 ppb (3) | 17.0 μg/m3 (16) | 11.1 μg/m3 (47) | 47.0 | |
Jan. 23, 2021, 11 p.m. | 6.2 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.18 ppb (3) | 21.5 μg/m3 (20) | 10.8 μg/m3 (46) | 46.0 | |
Jan. 23, 2021, 10 p.m. | 6.1 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | 0.16 ppb (3) | 20.6 μg/m3 (20) | 9.4 μg/m3 (40) | 40.0 | |
Jan. 23, 2021, 9 p.m. | 6.1 ppb (6) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.15 ppb (2) | 14.6 μg/m3 (14) | 6.5 μg/m3 (28) | 28.0 | |
Jan. 23, 2021, 8 p.m. | 6.8 ppb (7) | 2.2 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.15 ppb (2) | 15.0 μg/m3 (14) | 6.2 μg/m3 (26) | 26.0 | |
Jan. 23, 2021, 7 p.m. | 6.5 ppb (7) | 2.3 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | 0.14 ppb (2) | 13.5 μg/m3 (13) | 6.7 μg/m3 (28) | 28.0 | |
Jan. 23, 2021, 6 p.m. | 6.9 ppb (7) | 2.7 ppb (3) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 22.0 ppb (21) | 0.15 ppb (2) | 16.6 μg/m3 (16) | 7.3 μg/m3 (31) | 31.0 | |
Jan. 23, 2021, 5 p.m. | 13.6 ppb (13) | 6.1 ppb (6) | N/A | 7.0 ppb (7) | N/A | 3.0 ppb (5) | 16.0 ppb (15) | 0.19 ppb (3) | 14.3 μg/m3 (14) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 23, 2021, 4 p.m. | 15.4 ppb (15) | 6.0 ppb (6) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.28 ppb (4) | 13.1 μg/m3 (13) | 7.5 μg/m3 (32) | 32.0 | |
Jan. 23, 2021, 3 p.m. | 20.6 ppb (20) | 6.0 ppb (6) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.33 ppb (4) | 11.0 μg/m3 (11) | 6.5 μg/m3 (28) | 28.0 | |
Jan. 23, 2021, 2 p.m. | 12.4 ppb (12) | 1.4 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.24 ppb (3) | 9.1 μg/m3 (9) | 5.8 μg/m3 (25) | 25.0 | |
Jan. 23, 2021, 1 p.m. | 14.9 ppb (15) | 1.8 ppb (2) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.27 ppb (4) | 9.4 μg/m3 (9) | 6.2 μg/m3 (26) | 26.0 | |
Jan. 23, 2021, noon | 9.9 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.18 ppb (3) | 8.9 μg/m3 (9) | 5.6 μg/m3 (24) | 24.0 | |
Jan. 23, 2021, 11 a.m. | 8.2 ppb (8) | 0.6 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.18 ppb (3) | 9.8 μg/m3 (10) | 6.2 μg/m3 (26) | 26.0 | |
Jan. 23, 2021, 10 a.m. | 7.2 ppb (7) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.25 ppb (3) | 9.8 μg/m3 (10) | 6.5 μg/m3 (28) | 28.0 | |
Jan. 23, 2021, 9 a.m. | 6.2 ppb (6) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.14 ppb (2) | 12.7 μg/m3 (12) | 8.6 μg/m3 (36) | 36.0 | |
Jan. 23, 2021, 8 a.m. | 9.5 ppb (9) | 0.4 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.15 ppb (2) | 15.5 μg/m3 (15) | 11.2 μg/m3 (47) | 47.0 | |
Jan. 23, 2021, 7 a.m. | 13.6 ppb (13) | 0.8 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.23 ppb (3) | 17.0 μg/m3 (16) | 11.7 μg/m3 (49) | 49.0 | |
Jan. 23, 2021, 6 a.m. | 8.8 ppb (9) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.15 ppb (2) | 17.5 μg/m3 (17) | 11.3 μg/m3 (48) | 48.0 | |
Jan. 23, 2021, 5 a.m. | 13.6 ppb (13) | 0.6 ppb (1) | N/A | 13.0 ppb (13) | N/A | 1.0 ppb (2) | 13.0 ppb (13) | 0.17 ppb (3) | 17.3 μg/m3 (17) | 11.7 μg/m3 (49) | 49.0 | |
Jan. 23, 2021, 4 a.m. | 6.0 ppb (6) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.16 ppb (3) | 17.7 μg/m3 (17) | 10.6 μg/m3 (45) | 45.0 | |
Jan. 23, 2021, 3 a.m. | 6.0 ppb (6) | 0.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | 16.9 μg/m3 (16) | 9.5 μg/m3 (40) | 40.0 | |
Jan. 23, 2021, 2 a.m. | 8.1 ppb (8) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 20.0 ppb (19) | N/A | 20.9 μg/m3 (20) | 10.7 μg/m3 (45) | 45.0 | |
Jan. 23, 2021, 1 a.m. | 16.8 ppb (16) | 0.6 ppb (1) | N/A | 16.0 ppb (16) | N/A | 1.0 ppb (2) | 13.0 ppb (13) | 0.21 ppb (3) | 21.3 μg/m3 (20) | 11.5 μg/m3 (48) | 48.0 | |
Jan. 23, 2021, midnight | 15.1 ppb (15) | 0.5 ppb (1) | N/A | 15.0 ppb (15) | N/A | 1.0 ppb (2) | 16.0 ppb (15) | 0.23 ppb (3) | 18.8 μg/m3 (18) | 9.8 μg/m3 (41) | 41.0 | |
Jan. 22, 2021, 11 p.m. | 9.5 ppb (9) | 0.4 ppb (1) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | 0.18 ppb (3) | 15.5 μg/m3 (15) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 22, 2021, 10 p.m. | 8.6 ppb (9) | 1.2 ppb (2) | N/A | 7.0 ppb (7) | N/A | 3.0 ppb (5) | 24.0 ppb (23) | 0.16 ppb (3) | 13.3 μg/m3 (13) | 7.8 μg/m3 (33) | 33.0 | |
Jan. 22, 2021, 9 p.m. | 10.0 ppb (10) | 2.1 ppb (2) | N/A | 8.0 ppb (8) | N/A | 4.0 ppb (6) | 23.0 ppb (22) | 0.16 ppb (3) | 13.8 μg/m3 (13) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 22, 2021, 8 p.m. | 5.5 ppb (6) | 1.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 27.0 ppb (25) | 0.14 ppb (2) | 11.5 μg/m3 (11) | 6.6 μg/m3 (28) | 28.0 | |
Jan. 22, 2021, 7 p.m. | 9.5 ppb (9) | 3.5 ppb (4) | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (5) | 25.0 ppb (24) | 0.15 ppb (2) | 13.5 μg/m3 (13) | 6.3 μg/m3 (27) | 27.0 | |
Jan. 22, 2021, 6 p.m. | 9.4 ppb (9) | 2.8 ppb (3) | N/A | 7.0 ppb (7) | N/A | 5.0 ppb (8) | 24.0 ppb (23) | 0.15 ppb (2) | 14.2 μg/m3 (14) | 7.2 μg/m3 (31) | 31.0 | |
Jan. 22, 2021, 5 p.m. | 8.8 ppb (9) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | 4.0 ppb (6) | 25.0 ppb (24) | 0.16 ppb (3) | 14.4 μg/m3 (14) | 6.5 μg/m3 (28) | 28.0 | |
Jan. 22, 2021, 4 p.m. | 9.5 ppb (9) | 2.8 ppb (3) | N/A | 7.0 ppb (7) | N/A | 4.0 ppb (6) | 23.0 ppb (22) | 0.16 ppb (3) | 16.0 μg/m3 (15) | 8.3 μg/m3 (35) | 35.0 | |
Jan. 22, 2021, 3 p.m. | 6.2 ppb (6) | 1.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.17 ppb (3) | 12.5 μg/m3 (12) | 6.3 μg/m3 (27) | 27.0 | |
Jan. 22, 2021, 2 p.m. | 6.8 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.2 ppb (3) | 14.4 μg/m3 (14) | 6.8 μg/m3 (29) | 29.0 | |
Jan. 22, 2021, 1 p.m. | 5.7 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.17 ppb (3) | 12.2 μg/m3 (12) | 6.9 μg/m3 (29) | 29.0 | |
Jan. 22, 2021, noon | 8.8 ppb (9) | 0.6 ppb (1) | N/A | 8.0 ppb (8) | N/A | 3.0 ppb (5) | 21.0 ppb (20) | 0.15 ppb (2) | 10.4 μg/m3 (10) | 6.4 μg/m3 (27) | 27.0 | |
Jan. 22, 2021, 11 a.m. | 6.2 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (3) | 23.0 ppb (22) | 0.14 ppb (2) | 9.8 μg/m3 (10) | 5.8 μg/m3 (25) | 25.0 | |
Jan. 22, 2021, 10 a.m. | 3.5 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.14 ppb (2) | 9.5 μg/m3 (9) | 6.4 μg/m3 (27) | 27.0 | |
Jan. 22, 2021, 9 a.m. | 2.6 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.13 ppb (2) | 9.7 μg/m3 (9) | 6.3 μg/m3 (27) | 27.0 | |
Jan. 22, 2021, 8 a.m. | 3.7 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.14 ppb (2) | 10.2 μg/m3 (10) | 5.1 μg/m3 (22) | 22.0 | |
Jan. 22, 2021, 7 a.m. | 4.9 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.16 ppb (3) | 9.6 μg/m3 (9) | 5.0 μg/m3 (21) | 21.0 | |
Jan. 22, 2021, 6 a.m. | 4.6 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | 0.15 ppb (2) | 9.2 μg/m3 (9) | 4.6 μg/m3 (20) | 21.0 | |
Jan. 22, 2021, 5 a.m. | 3.3 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.15 ppb (2) | 9.4 μg/m3 (9) | 4.3 μg/m3 (18) | 23.0 | |
Jan. 22, 2021, 4 a.m. | 2.8 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.14 ppb (2) | 9.5 μg/m3 (9) | 4.2 μg/m3 (18) | 23.0 | |
Jan. 22, 2021, 3 a.m. | 2.9 ppb (3) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | 8.0 μg/m3 (8) | 4.1 μg/m3 (18) | 23.0 | |
Jan. 22, 2021, 2 a.m. | 3.2 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | N/A | 11.7 μg/m3 (11) | 4.1 μg/m3 (18) | 24.0 | |
Jan. 22, 2021, 1 a.m. | 3.3 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.17 ppb (3) | 9.7 μg/m3 (9) | 4.0 μg/m3 (17) | 24.0 | |
Jan. 22, 2021, midnight | 3.7 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.17 ppb (3) | 10.7 μg/m3 (10) | 4.5 μg/m3 (19) | 24.0 | |
Jan. 21, 2021, 11 p.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.18 ppb (3) | 17.0 μg/m3 (16) | 4.4 μg/m3 (19) | 22.0 | |
Jan. 21, 2021, 10 p.m. | 4.4 ppb (5) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.17 ppb (3) | 12.8 μg/m3 (12) | 4.2 μg/m3 (18) | 22.0 | |
Jan. 21, 2021, 9 p.m. | 5.0 ppb (5) | 1.5 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.17 ppb (3) | 21.0 μg/m3 (20) | 4.6 μg/m3 (20) | 21.0 | |
Jan. 21, 2021, 8 p.m. | 4.3 ppb (5) | 1.3 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.17 ppb (3) | 24.6 μg/m3 (23) | 4.6 μg/m3 (20) | 23.0 | |
Jan. 21, 2021, 7 p.m. | 4.1 ppb (4) | 1.4 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | 0.17 ppb (3) | 24.1 μg/m3 (23) | 4.7 μg/m3 (20) | 23.0 | |
Jan. 21, 2021, 6 p.m. | 4.3 ppb (5) | 1.4 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | 0.17 ppb (3) | 19.2 μg/m3 (18) | 4.3 μg/m3 (18) | 22.0 | |
Jan. 21, 2021, 5 p.m. | 3.5 ppb (4) | 1.2 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.17 ppb (3) | 15.6 μg/m3 (15) | 4.0 μg/m3 (17) | 24.0 | |
Jan. 21, 2021, 4 p.m. | 2.5 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.16 ppb (3) | 20.7 μg/m3 (20) | 5.1 μg/m3 (22) | 25.0 | |
Jan. 21, 2021, 3 p.m. | 2.5 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.16 ppb (3) | 21.2 μg/m3 (20) | 5.1 μg/m3 (22) | 26.0 | |
Jan. 21, 2021, 2 p.m. | 3.0 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.16 ppb (3) | 17.9 μg/m3 (17) | 5.1 μg/m3 (22) | 26.0 | |
Jan. 21, 2021, 1 p.m. | 3.9 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.17 ppb (3) | 10.5 μg/m3 (10) | 3.9 μg/m3 (17) | 25.0 | |
Jan. 21, 2021, noon | 7.2 ppb (7) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 4.0 ppb (6) | 24.0 ppb (23) | 0.16 ppb (3) | 12.1 μg/m3 (12) | 3.3 μg/m3 (14) | 23.0 | |
Jan. 21, 2021, 11 a.m. | 7.0 ppb (7) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 5.0 ppb (8) | 25.0 ppb (24) | 0.15 ppb (2) | 7.5 μg/m3 (7) | 2.0 μg/m3 (9) | 24.0 | |
Jan. 21, 2021, 10 a.m. | 9.1 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 8.0 ppb (12) | 23.0 ppb (22) | 0.16 ppb (3) | 8.5 μg/m3 (8) | 1.5 μg/m3 (7) | 22.0 | |
Jan. 21, 2021, 9 a.m. | 4.6 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 28.0 ppb (26) | 0.15 ppb (2) | 6.6 μg/m3 (7) | 1.1 μg/m3 (5) | 26.0 | |
Jan. 21, 2021, 8 a.m. | 3.1 ppb (3) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | 0.15 ppb (2) | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 28.0 | |
Jan. 21, 2021, 7 a.m. | 7.2 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 6.0 ppb (9) | 26.0 ppb (25) | 0.16 ppb (3) | 9.3 μg/m3 (9) | 1.1 μg/m3 (5) | 25.0 | |
Jan. 21, 2021, 6 a.m. | 8.8 ppb (9) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 8.0 ppb (12) | 24.0 ppb (23) | 0.16 ppb (3) | 7.6 μg/m3 (8) | 1.0 μg/m3 (5) | 23.0 | |
Jan. 21, 2021, 5 a.m. | 4.6 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 29.0 ppb (27) | 0.15 ppb (2) | 6.5 μg/m3 (7) | 1.0 μg/m3 (5) | 27.0 |