Morrisville (Dan K Moore Fwy) NC, US: 35.8652, -78.8197
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 26, 2021, noon | 20.6 ppb (20) | 10.1 ppb (10) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 26, 2021, 11 a.m. | 22.9 ppb (22) | 12.2 ppb (12) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 3.0 μg/m3 (13) | 22.0 | |
Jan. 26, 2021, 10 a.m. | 21.1 ppb (20) | 11.3 ppb (11) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | 2.0 μg/m3 (9) | 20.0 | |
Jan. 26, 2021, 9 a.m. | 3.9 ppb (4) | 1.3 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.19 ppb (3) | N/A | 0.0 μg/m3 (0) | 4.0 | |
Jan. 26, 2021, 8 a.m. | 3.5 ppb (4) | 1.3 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.18 ppb (3) | N/A | 2.0 μg/m3 (9) | 9.0 | |
Jan. 26, 2021, 7 a.m. | 2.3 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 26, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 26, 2021, 5 a.m. | 3.6 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 26, 2021, 4 a.m. | 4.0 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.22 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 26, 2021, 3 a.m. | 7.2 ppb (7) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 26, 2021, 2 a.m. | 5.2 ppb (5) | 1.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 2.0 μg/m3 (9) | 9.0 | |
Jan. 26, 2021, 1 a.m. | 8.3 ppb (8) | 1.6 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 1.0 μg/m3 (5) | 8.0 | |
Jan. 26, 2021, midnight | 15.0 ppb (15) | 5.2 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 3.0 μg/m3 (13) | 15.0 | |
Jan. 25, 2021, 11 p.m. | 19.8 ppb (19) | 6.5 ppb (7) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 25, 2021, 10 p.m. | 18.6 ppb (18) | 6.1 ppb (6) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 25, 2021, 9 p.m. | 24.8 ppb (24) | 9.9 ppb (10) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 25, 2021, 8 p.m. | 37.3 ppb (36) | 19.4 ppb (19) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 25, 2021, 7 p.m. | 35.6 ppb (34) | 18.6 ppb (18) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 25, 2021, 6 p.m. | 27.0 ppb (26) | 15.0 ppb (15) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 25, 2021, 5 p.m. | 25.5 ppb (25) | 12.2 ppb (12) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 25, 2021, 4 p.m. | 36.5 ppb (35) | 21.8 ppb (21) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 25, 2021, 3 p.m. | 59.6 ppb (57) | 40.1 ppb (38) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 7.0 μg/m3 (30) | 57.0 | |
Jan. 25, 2021, 2 p.m. | 45.0 ppb (43) | 25.6 ppb (25) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 25, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 25, 2021, noon | 46.1 ppb (44) | 28.4 ppb (27) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 9.0 μg/m3 (38) | 44.0 | |
Jan. 25, 2021, 11 a.m. | 24.0 ppb (23) | 11.0 ppb (11) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 25, 2021, 10 a.m. | 28.7 ppb (28) | 11.6 ppb (11) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 25, 2021, 9 a.m. | 17.8 ppb (17) | 6.5 ppb (7) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 25, 2021, 8 a.m. | 13.4 ppb (13) | 4.2 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 25, 2021, 7 a.m. | 8.5 ppb (9) | 0.8 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 25, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 13.0 μg/m3 (53) | 53.0 | |
Jan. 25, 2021, 5 a.m. | 7.0 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 25, 2021, 4 a.m. | 17.9 ppb (17) | 2.9 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 25, 2021, 3 a.m. | 11.5 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Jan. 25, 2021, 2 a.m. | 16.6 ppb (16) | 4.5 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 25, 2021, 1 a.m. | 6.8 ppb (7) | 0.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 25, 2021, midnight | 14.6 ppb (14) | 3.8 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 24, 2021, 11 p.m. | 27.3 ppb (26) | 10.4 ppb (10) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 24, 2021, 10 p.m. | 18.3 ppb (18) | 7.4 ppb (7) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 24, 2021, 9 p.m. | 17.7 ppb (17) | 8.0 ppb (8) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 24, 2021, 8 p.m. | 16.9 ppb (16) | 8.3 ppb (8) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 24, 2021, 7 p.m. | 15.0 ppb (15) | 8.0 ppb (8) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 24, 2021, 6 p.m. | 12.8 ppb (13) | 6.2 ppb (6) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 24, 2021, 5 p.m. | 11.0 ppb (11) | 6.4 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 24, 2021, 4 p.m. | 12.3 ppb (12) | 6.6 ppb (7) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 24, 2021, 3 p.m. | 13.8 ppb (14) | 7.7 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 24, 2021, 2 p.m. | 13.2 ppb (13) | 6.3 ppb (6) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 24, 2021, 1 p.m. | 13.4 ppb (13) | 4.1 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.26 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 24, 2021, noon | 7.2 ppb (7) | 0.5 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.19 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 24, 2021, 11 a.m. | 16.7 ppb (16) | 3.0 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 24, 2021, 10 a.m. | 13.9 ppb (14) | 2.9 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.19 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 24, 2021, 9 a.m. | 13.3 ppb (13) | 4.1 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 24, 2021, 8 a.m. | 8.5 ppb (9) | 0.9 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 24, 2021, 7 a.m. | 22.5 ppb (22) | 5.2 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 24, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 24, 2021, 5 a.m. | 35.8 ppb (34) | 12.7 ppb (12) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 6.0 μg/m3 (25) | 34.0 | |
Jan. 24, 2021, 4 a.m. | 19.9 ppb (19) | 0.8 ppb (1) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 4.0 μg/m3 (17) | 19.0 | |
Jan. 24, 2021, 3 a.m. | 34.7 ppb (33) | 10.8 ppb (11) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 2.0 μg/m3 (9) | 33.0 | |
Jan. 24, 2021, 2 a.m. | 15.9 ppb (15) | 1.5 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 24, 2021, 1 a.m. | 15.3 ppb (15) | 3.0 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | 2.0 μg/m3 (9) | 15.0 | |
Jan. 24, 2021, midnight | 10.2 ppb (10) | 3.6 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.19 ppb (3) | N/A | 0.0 μg/m3 (0) | 10.0 | |
Jan. 23, 2021, 11 p.m. | 5.6 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.18 ppb (3) | N/A | -2.0 μg/m3 (0) | 6.0 | |
Jan. 23, 2021, 10 p.m. | 1.5 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 23, 2021, 9 p.m. | 1.8 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 1.0 μg/m3 (5) | 5.0 | |
Jan. 23, 2021, 8 p.m. | 2.6 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (3) | N/A | 1.0 μg/m3 (5) | 5.0 | |
Jan. 23, 2021, 7 p.m. | 3.3 ppb (4) | 1.4 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 23, 2021, 6 p.m. | 4.0 ppb (4) | 1.9 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 23, 2021, 5 p.m. | 3.8 ppb (4) | 1.7 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 23, 2021, 4 p.m. | 4.0 ppb (4) | 1.7 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 23, 2021, 3 p.m. | 5.4 ppb (6) | 2.5 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.17 ppb (3) | N/A | 1.0 μg/m3 (5) | 6.0 | |
Jan. 23, 2021, 2 p.m. | 7.1 ppb (7) | 3.2 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.19 ppb (3) | N/A | 1.0 μg/m3 (5) | 7.0 | |
Jan. 23, 2021, 1 p.m. | 7.0 ppb (7) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.18 ppb (3) | N/A | 2.0 μg/m3 (9) | 9.0 | |
Jan. 23, 2021, noon | 5.2 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | -1.0 μg/m3 (0) | 5.0 | |
Jan. 23, 2021, 11 a.m. | 5.1 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 23, 2021, 10 a.m. | 14.2 ppb (14) | 2.9 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | 2.0 μg/m3 (9) | 14.0 | |
Jan. 23, 2021, 9 a.m. | 34.6 ppb (33) | 16.7 ppb (16) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 23, 2021, 8 a.m. | 50.2 ppb (48) | 30.6 ppb (29) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 5.0 μg/m3 (21) | 48.0 | |
Jan. 23, 2021, 7 a.m. | 62.3 ppb (60) | 39.2 ppb (37) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 60.0 | |
Jan. 23, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.64 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 23, 2021, 5 a.m. | 59.9 ppb (58) | 37.1 ppb (35) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 6.0 μg/m3 (25) | 58.0 | |
Jan. 23, 2021, 4 a.m. | 72.4 ppb (71) | 48.5 ppb (46) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 9.0 μg/m3 (38) | 71.0 | |
Jan. 23, 2021, 3 a.m. | 71.4 ppb (70) | 46.3 ppb (44) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 7.0 μg/m3 (30) | 70.0 | |
Jan. 23, 2021, 2 a.m. | 63.8 ppb (62) | 39.0 ppb (37) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 2.0 μg/m3 (9) | 62.0 | |
Jan. 23, 2021, 1 a.m. | 28.4 ppb (27) | 5.8 ppb (6) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 4.0 μg/m3 (17) | 27.0 | |
Jan. 23, 2021, midnight | 51.5 ppb (49) | 23.7 ppb (23) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 1.0 μg/m3 (5) | 49.0 | |
Jan. 22, 2021, 11 p.m. | 25.6 ppb (25) | 5.3 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | 2.0 μg/m3 (9) | 25.0 | |
Jan. 22, 2021, 10 p.m. | 42.8 ppb (41) | 21.9 ppb (21) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | 5.0 μg/m3 (21) | 41.0 | |
Jan. 22, 2021, 9 p.m. | 26.4 ppb (25) | 12.8 ppb (13) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | 1.0 μg/m3 (5) | 25.0 | |
Jan. 22, 2021, 8 p.m. | 25.3 ppb (24) | 12.9 ppb (13) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 22, 2021, 7 p.m. | 23.3 ppb (22) | 11.1 ppb (11) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 3.0 μg/m3 (13) | 22.0 | |
Jan. 22, 2021, 6 p.m. | 22.6 ppb (22) | 11.9 ppb (12) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 22, 2021, 5 p.m. | 23.7 ppb (23) | 13.3 ppb (13) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 5.0 μg/m3 (21) | 23.0 | |
Jan. 22, 2021, 4 p.m. | 26.5 ppb (25) | 16.4 ppb (16) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 22, 2021, 3 p.m. | 45.3 ppb (43) | 29.5 ppb (28) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | 9.0 μg/m3 (38) | 43.0 | |
Jan. 22, 2021, 2 p.m. | 97.2 ppb (98) | 74.2 ppb (73) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.66 ppb (8) | N/A | 9.0 μg/m3 (38) | 98.0 | |
Jan. 22, 2021, 1 p.m. | 121.5 ppb (105) | 94.6 ppb (95) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 10.0 μg/m3 (42) | 105.0 | |
Jan. 22, 2021, noon | 62.3 ppb (60) | 39.8 ppb (38) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 9.0 μg/m3 (38) | 60.0 | |
Jan. 22, 2021, 11 a.m. | 58.7 ppb (57) | 37.1 ppb (35) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 5.0 μg/m3 (21) | 57.0 | |
Jan. 22, 2021, 10 a.m. | 51.1 ppb (49) | 30.1 ppb (29) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | 5.0 μg/m3 (21) | 49.0 | |
Jan. 22, 2021, 9 a.m. | 40.9 ppb (39) | 20.3 ppb (20) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 5.0 μg/m3 (21) | 39.0 | |
Jan. 22, 2021, 8 a.m. | 48.5 ppb (46) | 26.5 ppb (25) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 4.0 μg/m3 (17) | 46.0 | |
Jan. 22, 2021, 7 a.m. | 44.1 ppb (42) | 23.1 ppb (22) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 42.0 | |
Jan. 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 22, 2021, 5 a.m. | 21.8 ppb (21) | 6.1 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 4.0 μg/m3 (17) | 21.0 | |
Jan. 22, 2021, 4 a.m. | 24.1 ppb (23) | 6.8 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 22, 2021, 3 a.m. | 32.1 ppb (31) | 13.5 ppb (13) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 22, 2021, 2 a.m. | 31.4 ppb (30) | 12.3 ppb (12) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 22, 2021, 1 a.m. | 36.5 ppb (35) | 16.3 ppb (16) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Jan. 22, 2021, midnight | 41.5 ppb (40) | 20.9 ppb (20) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 8.0 μg/m3 (34) | 40.0 | |
Jan. 21, 2021, 11 p.m. | 49.7 ppb (47) | 29.3 ppb (28) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Jan. 21, 2021, 10 p.m. | 48.3 ppb (46) | 26.1 ppb (25) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Jan. 21, 2021, 9 p.m. | 45.2 ppb (43) | 25.8 ppb (25) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | 10.0 μg/m3 (42) | 43.0 | |
Jan. 21, 2021, 8 p.m. | 41.4 ppb (40) | 25.0 ppb (24) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 21, 2021, 7 p.m. | 38.3 ppb (37) | 22.1 ppb (21) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | 7.0 μg/m3 (30) | 37.0 | |
Jan. 21, 2021, 6 p.m. | 38.3 ppb (37) | 21.3 ppb (21) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 21, 2021, 5 p.m. | 29.1 ppb (28) | 16.4 ppb (16) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 21, 2021, 4 p.m. | 39.2 ppb (37) | 24.7 ppb (24) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 21, 2021, 3 p.m. | 42.5 ppb (41) | 27.3 ppb (26) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 21, 2021, 2 p.m. | 67.6 ppb (66) | 43.8 ppb (42) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 15.0 μg/m3 (58) | 66.0 | |
Jan. 21, 2021, 1 p.m. | 98.3 ppb (99) | 70.7 ppb (69) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 12.0 μg/m3 (50) | 99.0 | |
Jan. 21, 2021, noon | 101.9 ppb (102) | 77.2 ppb (76) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.74 ppb (8) | N/A | 7.0 μg/m3 (30) | 102.0 | |
Jan. 21, 2021, 11 a.m. | 53.5 ppb (51) | 28.1 ppb (27) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 10.0 μg/m3 (42) | 51.0 | |
Jan. 21, 2021, 10 a.m. | 58.2 ppb (56) | 34.6 ppb (33) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 6.0 μg/m3 (25) | 56.0 | |
Jan. 21, 2021, 9 a.m. | 40.9 ppb (39) | 20.6 ppb (20) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 9.0 μg/m3 (38) | 39.0 | |
Jan. 21, 2021, 8 a.m. | 38.1 ppb (36) | 17.5 ppb (17) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 7.0 μg/m3 (30) | 36.0 | |
Jan. 21, 2021, 7 a.m. | 31.9 ppb (31) | 11.2 ppb (11) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.45 ppb (6) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Jan. 21, 2021, 5 a.m. | 49.9 ppb (48) | 28.4 ppb (27) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.45 ppb (6) | N/A | 6.0 μg/m3 (25) | 48.0 | |
Jan. 21, 2021, 4 a.m. | 49.3 ppb (47) | 27.6 ppb (27) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 3.0 μg/m3 (13) | 47.0 | |
Jan. 21, 2021, 3 a.m. | 61.1 ppb (59) | 37.5 ppb (36) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 4.0 μg/m3 (17) | 59.0 | |
Jan. 21, 2021, 2 a.m. | 70.8 ppb (69) | 45.3 ppb (43) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 6.0 μg/m3 (25) | 69.0 | |
Jan. 21, 2021, 1 a.m. | 48.0 ppb (46) | 24.1 ppb (23) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 4.0 μg/m3 (17) | 46.0 | |
Jan. 21, 2021, midnight | 28.9 ppb (28) | 10.6 ppb (10) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | -2.0 μg/m3 (0) | 28.0 | |
Jan. 20, 2021, 11 p.m. | 8.9 ppb (9) | 0.8 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 20, 2021, 10 p.m. | 7.0 ppb (7) | 1.3 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.18 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 20, 2021, 9 p.m. | 17.9 ppb (17) | 7.5 ppb (8) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
Jan. 20, 2021, 8 p.m. | 22.9 ppb (22) | 11.7 ppb (12) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | 2.0 μg/m3 (9) | 22.0 | |
Jan. 20, 2021, 7 p.m. | 18.4 ppb (18) | 10.4 ppb (10) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.26 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (3) | N/A | N/A | 3.0 | |
Jan. 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 0.0 μg/m3 (0) | 3.0 | |
Jan. 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Jan. 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.22 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Jan. 20, 2021, 1 p.m. | 54.5 ppb (52) | 34.8 ppb (33) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 9.0 μg/m3 (38) | 52.0 | |
Jan. 20, 2021, noon | 54.4 ppb (52) | 29.3 ppb (28) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 11.0 μg/m3 (46) | 52.0 | |
Jan. 20, 2021, 11 a.m. | 48.7 ppb (46) | 28.2 ppb (27) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Jan. 20, 2021, 10 a.m. | 35.1 ppb (34) | 17.4 ppb (17) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 20, 2021, 9 a.m. | 20.4 ppb (20) | 8.3 ppb (8) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 20, 2021, 8 a.m. | 10.8 ppb (11) | 3.6 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 20, 2021, 7 a.m. | 9.6 ppb (10) | 2.9 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
Jan. 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 20, 2021, 5 a.m. | 15.4 ppb (15) | 5.9 ppb (6) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.22 ppb (3) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 20, 2021, 4 a.m. | 15.8 ppb (15) | 6.3 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.26 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Jan. 20, 2021, 3 a.m. | 31.6 ppb (30) | 13.9 ppb (14) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | 6.0 μg/m3 (25) | 30.0 | |
Jan. 20, 2021, 2 a.m. | 29.6 ppb (28) | 12.9 ppb (13) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 5.0 μg/m3 (21) | 28.0 | |
Jan. 20, 2021, 1 a.m. | 20.4 ppb (20) | 4.2 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | 4.0 μg/m3 (17) | 20.0 | |
Jan. 20, 2021, midnight | 35.7 ppb (34) | 12.3 ppb (12) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 7.0 μg/m3 (30) | 34.0 | |
Jan. 19, 2021, 11 p.m. | 49.3 ppb (47) | 24.1 ppb (23) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 2.0 μg/m3 (9) | 47.0 | |
Jan. 19, 2021, 10 p.m. | 37.1 ppb (35) | 19.8 ppb (19) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 7.0 μg/m3 (30) | 35.0 | |
Jan. 19, 2021, 9 p.m. | 23.9 ppb (23) | 13.6 ppb (13) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 0.0 μg/m3 (0) | 23.0 | |
Jan. 19, 2021, 8 p.m. | 30.6 ppb (29) | 18.0 ppb (17) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 6.0 μg/m3 (25) | 29.0 | |
Jan. 19, 2021, 7 p.m. | 32.0 ppb (31) | 18.7 ppb (18) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | 6.0 μg/m3 (25) | 31.0 | |
Jan. 19, 2021, 6 p.m. | 23.6 ppb (23) | 14.0 ppb (14) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Jan. 19, 2021, 5 p.m. | 24.6 ppb (24) | 16.1 ppb (16) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 19, 2021, 4 p.m. | 31.2 ppb (30) | 19.1 ppb (19) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Jan. 19, 2021, 3 p.m. | 43.4 ppb (41) | 29.2 ppb (28) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
Jan. 19, 2021, 2 p.m. | 45.4 ppb (43) | 30.2 ppb (29) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | 9.0 μg/m3 (38) | 43.0 | |
Jan. 19, 2021, 1 p.m. | 99.2 ppb (100) | 77.1 ppb (76) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.66 ppb (8) | N/A | 8.0 μg/m3 (34) | 100.0 |