Portland (Parkside) ME, US: 43.660248, -70.268967
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 20, 2021, 8 a.m. | 44.5 ppb (42) | 17.3 ppb (17) | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 20, 2021, 7 a.m. | 52.0 ppb (50) | 23.8 ppb (23) | N/A | 28.0 ppb (27) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
Jan. 20, 2021, 6 a.m. | 29.7 ppb (29) | 7.7 ppb (8) | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 20, 2021, 5 a.m. | 15.8 ppb (15) | 0.1 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 20, 2021, 4 a.m. | 17.1 ppb (17) | 0.2 ppb (1) | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 20, 2021, 3 a.m. | 19.6 ppb (19) | 0.8 ppb (1) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 20, 2021, 2 a.m. | 18.7 ppb (18) | 0.4 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 20, 2021, 1 a.m. | 8.0 ppb (8) | 0.0 ppb (0) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | N/A | 3.0 μg/m3 (13) | 26.0 | |
Jan. 20, 2021, midnight | 10.7 ppb (11) | 0.3 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 3.0 μg/m3 (13) | 25.0 | |
Jan. 19, 2021, 11 p.m. | 15.5 ppb (15) | 0.0 ppb (0) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 3.0 μg/m3 (13) | 20.0 | |
Jan. 19, 2021, 10 p.m. | 11.9 ppb (12) | 0.6 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
Jan. 19, 2021, 9 p.m. | 10.4 ppb (10) | 1.9 ppb (2) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 19, 2021, 8 p.m. | 6.2 ppb (6) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | N/A | N/A | 4.0 μg/m3 (17) | 32.0 | |
Jan. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 3.0 μg/m3 (13) | 34.0 | |
Jan. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 2.0 μg/m3 (9) | 34.0 | |
Jan. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 4.0 μg/m3 (17) | 32.0 | |
Jan. 19, 2021, 4 p.m. | 4.4 ppb (5) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
Jan. 19, 2021, 3 p.m. | 5.5 ppb (6) | 1.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 19, 2021, 2 p.m. | 12.7 ppb (12) | 4.2 ppb (4) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | N/A | N/A | 4.0 μg/m3 (17) | 23.0 | |
Jan. 19, 2021, 1 p.m. | 15.9 ppb (15) | 4.3 ppb (5) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | N/A | N/A | 3.0 μg/m3 (13) | 19.0 | |
Jan. 19, 2021, noon | 35.9 ppb (34) | 9.6 ppb (10) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | N/A | N/A | 7.0 μg/m3 (30) | 34.0 | |
Jan. 19, 2021, 11 a.m. | 25.9 ppb (25) | 1.9 ppb (2) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | N/A | N/A | 3.0 μg/m3 (13) | 25.0 | |
Jan. 19, 2021, 10 a.m. | 20.1 ppb (19) | 1.9 ppb (2) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 19, 2021, 9 a.m. | 21.4 ppb (21) | 1.4 ppb (2) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 19, 2021, 8 a.m. | 18.4 ppb (18) | 2.1 ppb (2) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | N/A | N/A | 3.0 μg/m3 (13) | 18.0 | |
Jan. 19, 2021, 7 a.m. | 5.8 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
Jan. 19, 2021, 6 a.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 19, 2021, 5 a.m. | 6.9 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 19, 2021, 4 a.m. | 4.0 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | N/A | 2.0 μg/m3 (9) | 27.0 | |
Jan. 19, 2021, 3 a.m. | 4.8 ppb (5) | 0.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | N/A | 1.0 μg/m3 (5) | 26.0 | |
Jan. 19, 2021, 2 a.m. | 9.0 ppb (9) | 0.4 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | N/A | N/A | 2.0 μg/m3 (9) | 23.0 | |
Jan. 19, 2021, 1 a.m. | 5.0 ppb (5) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | N/A | 2.0 μg/m3 (9) | 27.0 | |
Jan. 19, 2021, midnight | 4.8 ppb (5) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | N/A | 2.0 μg/m3 (9) | 26.0 | |
Jan. 18, 2021, 11 p.m. | 3.9 ppb (4) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | N/A | 3.0 μg/m3 (13) | 27.0 | |
Jan. 18, 2021, 10 p.m. | 3.3 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | 2.0 μg/m3 (9) | 28.0 | |
Jan. 18, 2021, 9 p.m. | 3.4 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | N/A | N/A | 2.0 μg/m3 (9) | 29.0 | |
Jan. 18, 2021, 8 p.m. | 2.8 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | 2.0 μg/m3 (9) | 28.0 | |
Jan. 18, 2021, 7 p.m. | 3.8 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | N/A | 2.0 μg/m3 (9) | 26.0 | |
Jan. 18, 2021, 6 p.m. | 2.6 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | 0.0 μg/m3 (0) | 28.0 | |
Jan. 18, 2021, 5 p.m. | 3.1 ppb (3) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | -1.0 μg/m3 (0) | 28.0 | |
Jan. 18, 2021, 4 p.m. | 3.0 ppb (3) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | 0.0 μg/m3 (0) | 27.0 | |
Jan. 18, 2021, 3 p.m. | 3.1 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | 2.0 μg/m3 (9) | 27.0 | |
Jan. 18, 2021, 2 p.m. | 4.3 ppb (5) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (9) | 25.0 | |
Jan. 18, 2021, 1 p.m. | 6.1 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | N/A | 3.0 μg/m3 (13) | 22.0 | |
Jan. 18, 2021, noon | 5.3 ppb (5) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
Jan. 18, 2021, 11 a.m. | 7.0 ppb (7) | 0.1 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 18, 2021, 10 a.m. | 4.9 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | N/A | N/A | 4.0 μg/m3 (17) | 24.0 | |
Jan. 18, 2021, 9 a.m. | 6.2 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (9) | 25.0 | |
Jan. 18, 2021, 8 a.m. | 4.7 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | N/A | 3.0 μg/m3 (13) | 26.0 | |
Jan. 18, 2021, 7 a.m. | 4.0 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | 4.0 μg/m3 (17) | 28.0 | |
Jan. 18, 2021, 6 a.m. | 2.9 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | N/A | 5.0 μg/m3 (21) | 30.0 | |
Jan. 18, 2021, 5 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | N/A | 5.0 μg/m3 (21) | 31.0 | |
Jan. 18, 2021, 4 a.m. | 2.2 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | N/A | N/A | 6.0 μg/m3 (25) | 29.0 | |
Jan. 18, 2021, 3 a.m. | 3.0 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | N/A | 6.0 μg/m3 (25) | 26.0 | |
Jan. 18, 2021, 2 a.m. | 1.8 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 18, 2021, 1 a.m. | 1.7 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (9) | 25.0 | |
Jan. 18, 2021, midnight | 2.3 ppb (3) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | N/A | 2.0 μg/m3 (9) | 24.0 | |
Jan. 17, 2021, 11 p.m. | 1.9 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | N/A | N/A | 0.0 μg/m3 (0) | 24.0 | |
Jan. 17, 2021, 10 p.m. | 2.7 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
Jan. 17, 2021, 9 p.m. | 2.9 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 17, 2021, 8 p.m. | 2.9 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | N/A | 2.0 μg/m3 (9) | 23.0 | |
Jan. 17, 2021, 7 p.m. | 2.5 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
Jan. 17, 2021, 6 p.m. | 2.3 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 4.0 μg/m3 (17) | 25.0 | |
Jan. 17, 2021, 5 p.m. | 2.6 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 1.0 μg/m3 (5) | 25.0 | |
Jan. 17, 2021, 4 p.m. | 2.4 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 0.0 μg/m3 (0) | 25.0 | |
Jan. 17, 2021, 3 p.m. | 1.6 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 3.0 μg/m3 (13) | 26.0 | |
Jan. 17, 2021, 2 p.m. | 2.3 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
Jan. 17, 2021, 1 p.m. | 2.9 ppb (3) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (9) | 25.0 | |
Jan. 17, 2021, noon | 3.2 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | N/A | 2.0 μg/m3 (9) | 24.0 | |
Jan. 17, 2021, 11 a.m. | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (9) | 25.0 | |
Jan. 17, 2021, 10 a.m. | 2.1 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | N/A | 2.0 μg/m3 (9) | 23.0 | |
Jan. 17, 2021, 9 a.m. | 2.4 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | N/A | N/A | 3.0 μg/m3 (13) | 21.0 | |
Jan. 17, 2021, 8 a.m. | 2.3 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | N/A | N/A | -1.0 μg/m3 (0) | 20.0 | |
Jan. 17, 2021, 7 a.m. | 2.7 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | N/A | N/A | -1.0 μg/m3 (0) | 21.0 | |
Jan. 17, 2021, 6 a.m. | 2.7 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 1.0 μg/m3 (5) | 22.0 | |
Jan. 17, 2021, 5 a.m. | 4.2 ppb (4) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 1.0 μg/m3 (5) | 22.0 | |
Jan. 17, 2021, 4 a.m. | 3.5 ppb (4) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | N/A | 2.0 μg/m3 (9) | 24.0 | |
Jan. 17, 2021, 3 a.m. | 3.4 ppb (4) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (9) | 25.0 | |
Jan. 17, 2021, 2 a.m. | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 3.0 μg/m3 (13) | 26.0 | |
Jan. 17, 2021, 1 a.m. | 3.3 ppb (4) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | 4.0 μg/m3 (17) | 27.0 | |
Jan. 17, 2021, midnight | 9.0 ppb (9) | 0.5 ppb (1) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 6.0 μg/m3 (25) | 29.0 | |
Jan. 16, 2021, 11 p.m. | 7.3 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | N/A | N/A | 7.0 μg/m3 (30) | 34.0 | |
Jan. 16, 2021, 10 p.m. | 5.2 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 16, 2021, 9 p.m. | 3.5 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 16, 2021, 8 p.m. | 2.7 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 16, 2021, 7 p.m. | 4.1 ppb (4) | 1.4 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | N/A | N/A | 7.0 μg/m3 (30) | 36.0 | |
Jan. 16, 2021, 6 p.m. | 3.4 ppb (4) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | N/A | 6.0 μg/m3 (25) | 33.0 | |
Jan. 16, 2021, 5 p.m. | 3.0 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
Jan. 16, 2021, 4 p.m. | 2.3 ppb (3) | 0.9 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | N/A | 5.0 μg/m3 (21) | 31.0 | |
Jan. 16, 2021, 3 p.m. | 2.6 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
Jan. 16, 2021, 2 p.m. | 3.0 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | N/A | 5.0 μg/m3 (21) | 30.0 | |
Jan. 16, 2021, 1 p.m. | 2.2 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | N/A | 4.0 μg/m3 (17) | 30.0 | |
Jan. 16, 2021, noon | 2.9 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | N/A | 5.0 μg/m3 (21) | 30.0 | |
Jan. 16, 2021, 11 a.m. | 3.0 ppb (3) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | N/A | 4.0 μg/m3 (17) | 31.0 | |
Jan. 16, 2021, 10 a.m. | 4.3 ppb (5) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | N/A | 5.0 μg/m3 (21) | 33.0 | |
Jan. 16, 2021, 9 a.m. | 3.4 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | N/A | 6.0 μg/m3 (25) | 33.0 | |
Jan. 16, 2021, 8 a.m. | 3.5 ppb (4) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | N/A | 3.0 μg/m3 (13) | 32.0 | |
Jan. 16, 2021, 7 a.m. | 2.8 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | N/A | 3.0 μg/m3 (13) | 32.0 | |
Jan. 16, 2021, 6 a.m. | 3.9 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | N/A | 3.0 μg/m3 (13) | 31.0 | |
Jan. 16, 2021, 5 a.m. | 4.4 ppb (5) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | 4.0 μg/m3 (17) | 28.0 | |
Jan. 16, 2021, 4 a.m. | 6.7 ppb (7) | 0.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 16, 2021, 3 a.m. | 6.9 ppb (7) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 16, 2021, 2 a.m. | 8.5 ppb (9) | 1.3 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 16, 2021, 1 a.m. | 7.1 ppb (7) | 1.3 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 16, 2021, midnight | 7.4 ppb (7) | 1.8 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 11 p.m. | 8.7 ppb (9) | 2.4 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 10 p.m. | 10.0 ppb (10) | 2.7 ppb (3) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 4.0 μg/m3 (17) | 25.0 | |
Jan. 15, 2021, 9 p.m. | 10.6 ppb (10) | 2.7 ppb (3) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 8 p.m. | 7.5 ppb (8) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | 6.0 μg/m3 (25) | 28.0 | |
Jan. 15, 2021, 7 p.m. | 7.9 ppb (8) | 2.6 ppb (3) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | N/A | 4.0 μg/m3 (17) | 28.0 | |
Jan. 15, 2021, 6 p.m. | 6.1 ppb (6) | 2.3 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | N/A | N/A | 6.0 μg/m3 (25) | 29.0 | |
Jan. 15, 2021, 5 p.m. | 9.2 ppb (9) | 3.5 ppb (4) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | N/A | 4.0 μg/m3 (17) | 27.0 | |
Jan. 15, 2021, 4 p.m. | 7.4 ppb (7) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
Jan. 15, 2021, 3 p.m. | 9.8 ppb (10) | 4.1 ppb (4) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 15, 2021, 2 p.m. | 12.8 ppb (13) | 5.3 ppb (5) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 15, 2021, 1 p.m. | 16.4 ppb (16) | 4.8 ppb (5) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 15, 2021, noon | 17.8 ppb (17) | 4.0 ppb (4) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 15, 2021, 11 a.m. | 15.1 ppb (15) | 2.7 ppb (3) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 15, 2021, 10 a.m. | 9.6 ppb (10) | 1.1 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
Jan. 15, 2021, 9 a.m. | 12.8 ppb (13) | 0.4 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 15, 2021, 8 a.m. | 11.0 ppb (11) | 0.2 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
Jan. 15, 2021, 7 a.m. | 12.1 ppb (12) | 0.3 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
Jan. 15, 2021, 6 a.m. | 15.0 ppb (15) | 0.5 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
Jan. 15, 2021, 5 a.m. | 9.7 ppb (10) | 0.2 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 15, 2021, 4 a.m. | 11.9 ppb (12) | 1.0 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
Jan. 15, 2021, 3 a.m. | 14.4 ppb (14) | 1.3 ppb (2) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
Jan. 15, 2021, 2 a.m. | 13.6 ppb (13) | 0.9 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
Jan. 15, 2021, 1 a.m. | 15.7 ppb (15) | 1.8 ppb (2) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
Jan. 15, 2021, midnight | 16.5 ppb (16) | 2.4 ppb (3) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
Jan. 14, 2021, 11 p.m. | 20.9 ppb (20) | 5.3 ppb (5) | N/A | 16.0 ppb (16) | N/A | 1.0 ppb (2) | 10.0 ppb (10) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
Jan. 14, 2021, 10 p.m. | 19.1 ppb (19) | 4.6 ppb (5) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
Jan. 14, 2021, 9 p.m. | 18.1 ppb (18) | 3.5 ppb (4) | N/A | 15.0 ppb (15) | N/A | 1.0 ppb (2) | 15.0 ppb (14) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
Jan. 14, 2021, 8 p.m. | 14.8 ppb (14) | 2.6 ppb (3) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
Jan. 14, 2021, 7 p.m. | 12.5 ppb (12) | 2.1 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
Jan. 14, 2021, 6 p.m. | 14.7 ppb (14) | 2.6 ppb (3) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
Jan. 14, 2021, 5 p.m. | 11.7 ppb (12) | 1.7 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
Jan. 14, 2021, 4 p.m. | 15.8 ppb (15) | 3.3 ppb (4) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
Jan. 14, 2021, 3 p.m. | 17.2 ppb (17) | 4.0 ppb (4) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
Jan. 14, 2021, 2 p.m. | 22.5 ppb (22) | 5.9 ppb (6) | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
Jan. 14, 2021, 1 p.m. | 29.6 ppb (28) | 9.3 ppb (9) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (2) | 5.0 ppb (5) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
Jan. 14, 2021, noon | 41.9 ppb (40) | 17.1 ppb (17) | N/A | 25.0 ppb (24) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
Jan. 14, 2021, 11 a.m. | 48.2 ppb (46) | 21.2 ppb (20) | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
Jan. 14, 2021, 10 a.m. | 28.6 ppb (27) | 6.8 ppb (7) | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
Jan. 14, 2021, 9 a.m. | 13.1 ppb (13) | 0.1 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
Jan. 14, 2021, 8 a.m. | 12.8 ppb (13) | 0.1 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
Jan. 14, 2021, 7 a.m. | 7.1 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 14, 2021, 6 a.m. | 7.0 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
Jan. 14, 2021, 5 a.m. | 7.4 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
Jan. 14, 2021, 4 a.m. | 8.2 ppb (8) | 0.0 ppb (0) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 14, 2021, 3 a.m. | 10.2 ppb (10) | 0.1 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 14, 2021, 2 a.m. | 7.9 ppb (8) | 0.7 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | N/A | N/A | 4.0 μg/m3 (17) | 24.0 | |
Jan. 14, 2021, 1 a.m. | 8.1 ppb (8) | 0.9 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 14, 2021, midnight | 9.7 ppb (10) | 1.8 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
Jan. 13, 2021, 11 p.m. | 11.0 ppb (11) | 1.4 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 13, 2021, 10 p.m. | 13.3 ppb (13) | 2.7 ppb (3) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
Jan. 13, 2021, 9 p.m. | 13.4 ppb (13) | 3.9 ppb (4) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
Jan. 13, 2021, 8 p.m. | 7.9 ppb (8) | 1.4 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
Jan. 13, 2021, 7 p.m. | 7.1 ppb (7) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | N/A | 6.0 μg/m3 (25) | 27.0 | |
Jan. 13, 2021, 6 p.m. | 6.6 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | N/A | 1.0 μg/m3 (5) | 27.0 | |
Jan. 13, 2021, 5 p.m. | 7.9 ppb (8) | 2.3 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
Jan. 13, 2021, 4 p.m. | 13.6 ppb (13) | 3.2 ppb (4) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 13, 2021, 3 p.m. | 20.3 ppb (20) | 5.3 ppb (5) | N/A | 15.0 ppb (15) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
Jan. 13, 2021, 2 p.m. | 37.3 ppb (36) | 12.3 ppb (12) | N/A | 25.0 ppb (24) | N/A | 1.0 ppb (2) | 7.0 ppb (7) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 13, 2021, 1 p.m. | 55.3 ppb (53) | 25.8 ppb (25) | N/A | 29.0 ppb (28) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | N/A | N/A | 11.0 μg/m3 (46) | 53.0 | |
Jan. 13, 2021, noon | 48.4 ppb (46) | 20.5 ppb (20) | N/A | 28.0 ppb (27) | N/A | 1.0 ppb (2) | 3.0 ppb (3) | N/A | N/A | 10.0 μg/m3 (42) | 46.0 | |
Jan. 13, 2021, 11 a.m. | 22.0 ppb (21) | 2.1 ppb (2) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 13, 2021, 10 a.m. | 20.1 ppb (19) | 0.7 ppb (1) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
Jan. 13, 2021, 9 a.m. | 13.6 ppb (13) | 0.0 ppb (0) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 |