Herriman (Foothills) UT, US: 40.496408, -112.036305
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 12, 2019, 7 a.m. | 5.8 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 3.0 μg/m3 (12) | 22.0 | |
Dec. 12, 2019, 6 a.m. | 5.0 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 2.0 μg/m3 (8) | 22.0 | |
Dec. 12, 2019, 5 a.m. | 8.0 ppb (7) | 0.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 1.9 μg/m3 (8) | 19.0 | |
Dec. 12, 2019, 4 a.m. | 11.3 ppb (10) | 0.7 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 1.8 μg/m3 (8) | 15.0 | |
Dec. 12, 2019, 3 a.m. | 11.5 ppb (11) | 0.7 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 2.1 μg/m3 (9) | 15.0 | |
Dec. 12, 2019, 2 a.m. | 12.0 ppb (11) | 0.7 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 3.1 μg/m3 (13) | 15.0 | |
Dec. 12, 2019, 1 a.m. | 22.9 ppb (21) | 1.3 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | 8.0 ppb (6) | N/A | N/A | 9.5 μg/m3 (40) | 40.0 | |
Dec. 12, 2019, midnight | 23.4 ppb (22) | 1.6 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | 13.8 μg/m3 (54) | 54.0 | |
Dec. 11, 2019, 11 p.m. | 20.2 ppb (19) | 2.8 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 15.1 μg/m3 (57) | 57.0 | |
Dec. 11, 2019, 10 p.m. | 25.4 ppb (24) | 5.5 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | 19.0 μg/m3 (65) | 65.0 | |
Dec. 11, 2019, 9 p.m. | 4.8 ppb (4) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 2.6 μg/m3 (11) | 25.0 | |
Dec. 11, 2019, 8 p.m. | 7.1 ppb (7) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 2.6 μg/m3 (11) | 25.0 | |
Dec. 11, 2019, 7 p.m. | 27.0 ppb (25) | 11.5 ppb (11) | N/A | 16.0 ppb (15) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
Dec. 11, 2019, 6 p.m. | 15.8 ppb (15) | 4.8 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 5.5 μg/m3 (23) | 23.0 | |
Dec. 11, 2019, 5 p.m. | 16.0 ppb (15) | 4.1 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 5.2 μg/m3 (22) | 22.0 | |
Dec. 11, 2019, 4 p.m. | 20.9 ppb (19) | 5.8 ppb (5) | N/A | 15.0 ppb (14) | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 5.6 μg/m3 (23) | 23.0 | |
Dec. 11, 2019, 3 p.m. | 9.0 ppb (8) | 0.9 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 2.8 μg/m3 (12) | 20.0 | |
Dec. 11, 2019, 2 p.m. | 6.3 ppb (6) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 2.2 μg/m3 (9) | 23.0 | |
Dec. 11, 2019, 1 p.m. | 2.9 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 3.0 μg/m3 (12) | 24.0 | |
Dec. 11, 2019, noon | 6.3 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 3.6 μg/m3 (15) | 22.0 | |
Dec. 11, 2019, 11 a.m. | 7.5 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
Dec. 11, 2019, 10 a.m. | 7.9 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 4.9 μg/m3 (20) | 20.0 | |
Dec. 11, 2019, 9 a.m. | 7.6 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
Dec. 11, 2019, 8 a.m. | 3.6 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 3.5 μg/m3 (15) | 24.0 | |
Dec. 11, 2019, 7 a.m. | 4.1 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 2.5 μg/m3 (10) | 24.0 | |
Dec. 11, 2019, 6 a.m. | 3.2 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
Dec. 11, 2019, 5 a.m. | 4.2 ppb (4) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
Dec. 11, 2019, 4 a.m. | 7.2 ppb (7) | 0.5 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 2.4 μg/m3 (10) | 20.0 | |
Dec. 11, 2019, 3 a.m. | 8.0 ppb (7) | 0.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 2.6 μg/m3 (11) | 17.0 | |
Dec. 11, 2019, 2 a.m. | 15.4 ppb (14) | 2.4 ppb (2) | N/A | 13.0 ppb (12) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 3.8 μg/m3 (16) | 16.0 | |
Dec. 11, 2019, 1 a.m. | 9.1 ppb (8) | 0.8 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 3.8 μg/m3 (16) | 16.0 | |
Dec. 11, 2019, midnight | 7.9 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 5.3 μg/m3 (22) | 22.0 | |
Dec. 10, 2019, 11 p.m. | 6.7 ppb (6) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 3.6 μg/m3 (15) | 22.0 | |
Dec. 10, 2019, 10 p.m. | 2.8 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 3.2 μg/m3 (13) | 28.0 | |
Dec. 10, 2019, 9 p.m. | 2.3 ppb (2) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 2.9 μg/m3 (12) | 28.0 | |
Dec. 10, 2019, 8 p.m. | 2.8 ppb (3) | 1.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 3.7 μg/m3 (15) | 28.0 | |
Dec. 10, 2019, 7 p.m. | 3.9 ppb (4) | 1.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 5.4 μg/m3 (23) | 27.0 | |
Dec. 10, 2019, 6 p.m. | 6.3 ppb (6) | 2.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 7.6 μg/m3 (32) | 32.0 | |
Dec. 10, 2019, 5 p.m. | 7.5 ppb (7) | 2.8 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 8.4 μg/m3 (35) | 35.0 | |
Dec. 10, 2019, 4 p.m. | 11.1 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 6.8 μg/m3 (28) | 28.0 | |
Dec. 10, 2019, 3 p.m. | 49.6 ppb (46) | 26.5 ppb (25) | N/A | 23.0 ppb (21) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | 9.5 μg/m3 (40) | 46.0 | |
Dec. 10, 2019, 2 p.m. | 23.1 ppb (21) | 2.3 ppb (2) | N/A | 21.0 ppb (19) | N/A | N/A | 8.0 ppb (6) | N/A | N/A | 6.3 μg/m3 (26) | 26.0 | |
Dec. 10, 2019, 1 p.m. | 12.5 ppb (12) | 0.8 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 6.4 μg/m3 (27) | 27.0 | |
Dec. 10, 2019, noon | 9.4 ppb (9) | 0.9 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
Dec. 10, 2019, 11 a.m. | 8.5 ppb (8) | 0.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 5.1 μg/m3 (21) | 21.0 | |
Dec. 10, 2019, 10 a.m. | 11.0 ppb (10) | 0.6 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 4.1 μg/m3 (17) | 17.0 | |
Dec. 10, 2019, 9 a.m. | 6.6 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 3.9 μg/m3 (16) | 16.0 | |
Dec. 10, 2019, 8 a.m. | 7.1 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
Dec. 10, 2019, 7 a.m. | 6.8 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
Dec. 10, 2019, 6 a.m. | 4.0 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 2.4 μg/m3 (10) | 19.0 | |
Dec. 10, 2019, 5 a.m. | 5.4 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 5.1 μg/m3 (21) | 21.0 | |
Dec. 10, 2019, 4 a.m. | 4.2 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 4.4 μg/m3 (18) | 21.0 | |
Dec. 10, 2019, 3 a.m. | 6.0 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
Dec. 10, 2019, 2 a.m. | 7.8 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 4.6 μg/m3 (19) | 19.0 | |
Dec. 10, 2019, 1 a.m. | 8.4 ppb (8) | 0.7 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 4.1 μg/m3 (17) | 17.0 | |
Dec. 10, 2019, midnight | 7.5 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 4.4 μg/m3 (18) | 21.0 | |
Dec. 9, 2019, 11 p.m. | 4.5 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 3.4 μg/m3 (14) | 38.0 | |
Dec. 9, 2019, 10 p.m. | 3.5 ppb (3) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 5.0 μg/m3 (21) | 32.0 | |
Dec. 9, 2019, 9 p.m. | 3.3 ppb (3) | 1.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 6.5 μg/m3 (27) | 28.0 | |
Dec. 9, 2019, 8 p.m. | 3.9 ppb (4) | 1.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 7.3 μg/m3 (30) | 30.0 | |
Dec. 9, 2019, 7 p.m. | 6.3 ppb (6) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 6.8 μg/m3 (28) | 28.0 | |
Dec. 9, 2019, 6 p.m. | 17.1 ppb (16) | 6.7 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 7.7 μg/m3 (32) | 32.0 | |
Dec. 9, 2019, 5 p.m. | 22.1 ppb (20) | 7.9 ppb (7) | N/A | 14.0 ppb (13) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
Dec. 9, 2019, 4 p.m. | 3.8 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 2.3 μg/m3 (10) | 27.0 | |
Dec. 9, 2019, 3 p.m. | 8.7 ppb (8) | 1.2 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 2.3 μg/m3 (10) | 25.0 | |
Dec. 9, 2019, 2 p.m. | 7.1 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 2.8 μg/m3 (12) | 23.0 | |
Dec. 9, 2019, 1 p.m. | 2.9 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 2.1 μg/m3 (9) | 30.0 | |
Dec. 9, 2019, noon | 5.3 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 4.0 μg/m3 (17) | 38.0 | |
Dec. 9, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 5.6 μg/m3 (23) | 25.0 | |
Dec. 9, 2019, 10 a.m. | 9.9 ppb (9) | 0.7 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 5.8 μg/m3 (24) | 26.0 | |
Dec. 9, 2019, 9 a.m. | 4.2 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 2.7 μg/m3 (11) | 28.0 | |
Dec. 9, 2019, 8 a.m. | 5.0 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
Dec. 9, 2019, 7 a.m. | 6.1 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 2.1 μg/m3 (9) | 25.0 | |
Dec. 9, 2019, 6 a.m. | 7.7 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 2.0 μg/m3 (8) | 20.0 | |
Dec. 9, 2019, 5 a.m. | 7.7 ppb (7) | 0.5 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 5.3 μg/m3 (22) | 22.0 | |
Dec. 9, 2019, 4 a.m. | 7.3 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 3.2 μg/m3 (13) | 22.0 | |
Dec. 9, 2019, 3 a.m. | 8.5 ppb (8) | 0.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 3.3 μg/m3 (14) | 18.0 | |
Dec. 9, 2019, 2 a.m. | 6.7 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 2.5 μg/m3 (10) | 19.0 | |
Dec. 9, 2019, 1 a.m. | 7.2 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 3.2 μg/m3 (13) | 22.0 | |
Dec. 9, 2019, midnight | 6.3 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 3.9 μg/m3 (16) | 23.0 | |
Dec. 8, 2019, 11 p.m. | 9.8 ppb (9) | 1.4 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 2.9 μg/m3 (12) | 22.0 | |
Dec. 8, 2019, 10 p.m. | 13.9 ppb (13) | 3.0 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 2.9 μg/m3 (12) | 22.0 | |
Dec. 8, 2019, 9 p.m. | 13.3 ppb (12) | 3.6 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 2.1 μg/m3 (9) | 25.0 | |
Dec. 8, 2019, 8 p.m. | 12.9 ppb (12) | 2.8 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 1.9 μg/m3 (8) | 25.0 | |
Dec. 8, 2019, 7 p.m. | 8.9 ppb (8) | 2.5 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 1.1 μg/m3 (5) | 30.0 | |
Dec. 8, 2019, 6 p.m. | 3.7 ppb (3) | 1.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | 0.6 μg/m3 (2) | 31.0 | |
Dec. 8, 2019, 5 p.m. | 5.3 ppb (5) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 1.1 μg/m3 (5) | 26.0 | |
Dec. 8, 2019, 4 p.m. | 6.7 ppb (6) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 0.1 μg/m3 (0) | 22.0 | |
Dec. 8, 2019, 3 p.m. | 6.5 ppb (6) | 1.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 1.4 μg/m3 (6) | 16.0 | |
Dec. 8, 2019, 2 p.m. | 3.3 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 8.4 μg/m3 (35) | 35.0 | |
Dec. 8, 2019, 1 p.m. | 1.4 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 0.9 μg/m3 (4) | 26.0 | |
Dec. 8, 2019, noon | 1.1 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 0.6 μg/m3 (2) | 25.0 | |
Dec. 8, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 0.6 μg/m3 (2) | 25.0 | |
Dec. 8, 2019, 10 a.m. | 1.9 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 0.8 μg/m3 (3) | 24.0 | |
Dec. 8, 2019, 9 a.m. | 1.9 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 0.7 μg/m3 (3) | 25.0 | |
Dec. 8, 2019, 8 a.m. | 2.2 ppb (2) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 0.7 μg/m3 (3) | 25.0 | |
Dec. 8, 2019, 7 a.m. | 3.8 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 0.7 μg/m3 (3) | 22.0 | |
Dec. 8, 2019, 6 a.m. | 5.5 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 0.7 μg/m3 (3) | 22.0 | |
Dec. 8, 2019, 5 a.m. | 5.7 ppb (5) | 0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 0.6 μg/m3 (2) | 22.0 | |
Dec. 8, 2019, 4 a.m. | 2.1 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 0.8 μg/m3 (3) | 23.0 | |
Dec. 8, 2019, 3 a.m. | 1.0 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 1.0 μg/m3 (4) | 25.0 | |
Dec. 8, 2019, 2 a.m. | 2.5 ppb (2) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 0.7 μg/m3 (3) | 24.0 | |
Dec. 8, 2019, 1 a.m. | 1.6 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 0.7 μg/m3 (3) | 25.0 | |
Dec. 8, 2019, midnight | 3.3 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 0.9 μg/m3 (4) | 25.0 | |
Dec. 7, 2019, 11 p.m. | 3.0 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 1.1 μg/m3 (5) | 25.0 | |
Dec. 7, 2019, 10 p.m. | 1.7 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 1.0 μg/m3 (4) | 27.0 | |
Dec. 7, 2019, 9 p.m. | 1.7 ppb (2) | 0.7 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 1.0 μg/m3 (4) | 27.0 | |
Dec. 7, 2019, 8 p.m. | 2.6 ppb (2) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 1.3 μg/m3 (5) | 26.0 | |
Dec. 7, 2019, 7 p.m. | 3.7 ppb (3) | 1.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 1.6 μg/m3 (7) | 25.0 | |
Dec. 7, 2019, 6 p.m. | 1.8 ppb (2) | 0.8 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 1.1 μg/m3 (5) | 26.0 | |
Dec. 7, 2019, 5 p.m. | 0.9 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 0.8 μg/m3 (3) | 28.0 | |
Dec. 7, 2019, 4 p.m. | 1.1 ppb (1) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 0.7 μg/m3 (3) | 28.0 | |
Dec. 7, 2019, 3 p.m. | 2.9 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 0.9 μg/m3 (4) | 26.0 | |
Dec. 7, 2019, 2 p.m. | 4.5 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 1.5 μg/m3 (6) | 23.0 | |
Dec. 7, 2019, 1 p.m. | 1.0 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 0.6 μg/m3 (2) | 27.0 | |
Dec. 7, 2019, noon | 1.1 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 0.6 μg/m3 (2) | 27.0 | |
Dec. 7, 2019, 11 a.m. | 1.5 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | N/A | 0.7 μg/m3 (3) | 3.0 | |
Dec. 7, 2019, 10 a.m. | 1.4 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 0.8 μg/m3 (3) | 25.0 | |
Dec. 7, 2019, 9 a.m. | 1.6 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 0.9 μg/m3 (4) | 25.0 | |
Dec. 7, 2019, 8 a.m. | 2.2 ppb (2) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 1.0 μg/m3 (4) | 24.0 | |
Dec. 7, 2019, 7 a.m. | 2.5 ppb (2) | 0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 1.1 μg/m3 (5) | 25.0 | |
Dec. 7, 2019, 6 a.m. | 2.1 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 0.9 μg/m3 (4) | 25.0 | |
Dec. 7, 2019, 5 a.m. | 3.2 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 1.2 μg/m3 (5) | 23.0 | |
Dec. 7, 2019, 4 a.m. | 3.9 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 1.9 μg/m3 (8) | 23.0 | |
Dec. 7, 2019, 3 a.m. | 5.0 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 1.7 μg/m3 (7) | 23.0 | |
Dec. 7, 2019, 2 a.m. | 34.5 ppb (32) | 11.4 ppb (11) | N/A | 23.0 ppb (21) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 11.5 μg/m3 (48) | 48.0 | |
Dec. 7, 2019, 1 a.m. | 57.6 ppb (54) | 19.1 ppb (18) | N/A | 38.0 ppb (35) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 19.4 μg/m3 (66) | 66.0 | |
Dec. 7, 2019, midnight | 18.7 ppb (17) | 4.0 ppb (4) | N/A | 15.0 ppb (14) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 6.9 μg/m3 (29) | 29.0 | |
Dec. 6, 2019, 11 p.m. | 4.0 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 1.8 μg/m3 (8) | 25.0 | |
Dec. 6, 2019, 10 p.m. | 5.0 ppb (5) | 1.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 2.1 μg/m3 (9) | 26.0 | |
Dec. 6, 2019, 9 p.m. | 6.2 ppb (6) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 3.4 μg/m3 (14) | 25.0 | |
Dec. 6, 2019, 8 p.m. | 6.4 ppb (6) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 3.8 μg/m3 (16) | 25.0 | |
Dec. 6, 2019, 7 p.m. | 8.7 ppb (8) | 3.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 4.6 μg/m3 (19) | 23.0 | |
Dec. 6, 2019, 6 p.m. | 19.5 ppb (18) | 9.3 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 8.5 μg/m3 (35) | 35.0 | |
Dec. 6, 2019, 5 p.m. | 17.1 ppb (16) | 7.8 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 8.4 μg/m3 (35) | 35.0 | |
Dec. 6, 2019, 4 p.m. | 13.3 ppb (12) | 5.0 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 3.7 μg/m3 (15) | 15.0 | |
Dec. 6, 2019, 3 p.m. | 27.8 ppb (26) | 9.4 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | 8.0 ppb (6) | N/A | N/A | 3.9 μg/m3 (16) | 26.0 | |
Dec. 6, 2019, 2 p.m. | 50.6 ppb (47) | 22.8 ppb (21) | N/A | 28.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.2 μg/m3 (53) | 53.0 | |
Dec. 6, 2019, 1 p.m. | 60.4 ppb (57) | 30.6 ppb (28) | N/A | 30.0 ppb (28) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.4 μg/m3 (53) | 57.0 | |
Dec. 6, 2019, noon | 53.2 ppb (49) | 24.1 ppb (22) | N/A | 29.0 ppb (27) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.4 μg/m3 (55) | 55.0 | |
Dec. 6, 2019, 11 a.m. | 53.3 ppb (49) | 23.2 ppb (21) | N/A | 30.0 ppb (28) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.3 μg/m3 (51) | 51.0 | |
Dec. 6, 2019, 10 a.m. | 51.6 ppb (48) | 22.9 ppb (21) | N/A | 28.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.3 μg/m3 (63) | 63.0 | |
Dec. 6, 2019, 9 a.m. | 40.2 ppb (37) | 13.2 ppb (12) | N/A | 27.0 ppb (25) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.6 μg/m3 (58) | 58.0 | |
Dec. 6, 2019, 8 a.m. | 11.1 ppb (10) | 1.1 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 5.7 μg/m3 (24) | 24.0 | |
Dec. 6, 2019, 7 a.m. | 52.3 ppb (48) | 22.1 ppb (20) | N/A | 30.0 ppb (28) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 21.6 μg/m3 (70) | 70.0 | |
Dec. 6, 2019, 6 a.m. | 57.4 ppb (54) | 26.7 ppb (25) | N/A | 31.0 ppb (29) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 28.1 μg/m3 (84) | 84.0 | |
Dec. 6, 2019, 5 a.m. | 55.0 ppb (51) | 23.3 ppb (22) | N/A | 32.0 ppb (30) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 27.7 μg/m3 (83) | 83.0 | |
Dec. 6, 2019, 4 a.m. | 56.3 ppb (52) | 22.7 ppb (21) | N/A | 33.0 ppb (31) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 31.6 μg/m3 (92) | 92.0 | |
Dec. 6, 2019, 3 a.m. | 57.4 ppb (54) | 23.3 ppb (22) | N/A | 34.0 ppb (31) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 28.4 μg/m3 (85) | 85.0 | |
Dec. 6, 2019, 2 a.m. | 56.7 ppb (53) | 22.1 ppb (20) | N/A | 34.0 ppb (31) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 27.8 μg/m3 (84) | 84.0 | |
Dec. 6, 2019, 1 a.m. | 55.1 ppb (51) | 20.7 ppb (19) | N/A | 34.0 ppb (31) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 29.3 μg/m3 (87) | 87.0 | |
Dec. 6, 2019, midnight | 20.8 ppb (19) | 3.4 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 13.8 μg/m3 (54) | 54.0 | |
Dec. 5, 2019, 11 p.m. | 9.4 ppb (9) | 0.9 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 8.5 μg/m3 (35) | 35.0 | |
Dec. 5, 2019, 10 p.m. | 13.3 ppb (12) | 1.8 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 13.6 μg/m3 (53) | 53.0 | |
Dec. 5, 2019, 9 p.m. | 19.3 ppb (18) | 3.4 ppb (3) | N/A | 16.0 ppb (15) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 18.9 μg/m3 (65) | 65.0 | |
Dec. 5, 2019, 8 p.m. | 38.0 ppb (35) | 11.2 ppb (10) | N/A | 27.0 ppb (25) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | 23.5 μg/m3 (74) | 74.0 | |
Dec. 5, 2019, 7 p.m. | 46.7 ppb (43) | 16.8 ppb (16) | N/A | 30.0 ppb (28) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | 29.7 μg/m3 (88) | 88.0 | |
Dec. 5, 2019, 6 p.m. | 45.5 ppb (42) | 18.6 ppb (17) | N/A | 27.0 ppb (25) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | 31.7 μg/m3 (92) | 92.0 | |
Dec. 5, 2019, 5 p.m. | 51.7 ppb (48) | 20.6 ppb (19) | N/A | 31.0 ppb (29) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 27.8 μg/m3 (84) | 84.0 | |
Dec. 5, 2019, 4 p.m. | 54.0 ppb (50) | 19.4 ppb (18) | N/A | 34.0 ppb (31) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | 27.9 μg/m3 (84) | 84.0 | |
Dec. 5, 2019, 3 p.m. | 50.5 ppb (47) | 15.1 ppb (14) | N/A | 35.0 ppb (32) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | 25.8 μg/m3 (79) | 79.0 | |
Dec. 5, 2019, 2 p.m. | 48.1 ppb (45) | 9.3 ppb (9) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.7 μg/m3 (64) | 64.0 | |
Dec. 5, 2019, 1 p.m. | 49.3 ppb (46) | 9.8 ppb (9) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 22.9 μg/m3 (73) | 73.0 | |
Dec. 5, 2019, noon | 43.2 ppb (40) | 6.0 ppb (6) | N/A | 37.0 ppb (34) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 19.8 μg/m3 (67) | 67.0 | |
Dec. 5, 2019, 11 a.m. | 20.9 ppb (19) | 1.7 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 12.7 μg/m3 (51) | 51.0 | |
Dec. 5, 2019, 10 a.m. | 11.1 ppb (10) | 0.5 ppb (0) | N/A | 11.0 ppb (10) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 6.9 μg/m3 (29) | 29.0 | |
Dec. 5, 2019, 9 a.m. | 10.5 ppb (10) | 0.6 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 4.1 μg/m3 (17) | 22.0 | |
Dec. 5, 2019, 8 a.m. | 24.2 ppb (22) | 0.8 ppb (1) | N/A | 23.0 ppb (21) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 21.3 μg/m3 (70) | 70.0 |