Berkeley (No. 2) CA, US: 37.864767, -122.302741
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 21, 2019, 8 a.m. | 7.8 ppb (7) | 4.8 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 20.0 ppb (15) | 0.3 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 21, 2019, 7 a.m. | 8.7 ppb (8) | 4.9 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 19.0 ppb (15) | 0.31 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 21, 2019, 6 a.m. | 12.0 ppb (11) | 6.1 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 18.0 ppb (14) | 0.34 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 21, 2019, 5 a.m. | 11.2 ppb (10) | 6.5 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 19.0 ppb (15) | 0.39 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 21, 2019, 4 a.m. | 10.8 ppb (10) | 6.4 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 20.0 ppb (15) | 0.36 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 21, 2019, 3 a.m. | 11.3 ppb (10) | 6.7 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 20.0 ppb (15) | 0.37 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 21, 2019, 2 a.m. | 11.9 ppb (11) | 7.7 ppb (7) | N/A | 4.0 ppb (4) | N/A | N/A | 20.0 ppb (15) | 0.41 ppb (5) | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 21, 2019, 1 a.m. | 14.0 ppb (13) | 10.4 ppb (10) | N/A | 4.0 ppb (4) | N/A | N/A | 20.0 ppb (15) | 0.41 ppb (5) | N/A | 1.0 μg/m3 (4) | 15.0 | |
| July 21, 2019, midnight | 8.9 ppb (8) | 5.4 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 23.0 ppb (18) | 0.4 ppb (4) | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 20, 2019, 11 p.m. | 10.6 ppb (10) | 6.4 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (18) | 0.39 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 20, 2019, 10 p.m. | 9.4 ppb (9) | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 26.0 ppb (20) | 0.44 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 20, 2019, 9 p.m. | 9.2 ppb (9) | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 25.0 ppb (19) | 0.41 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 20, 2019, 8 p.m. | 13.2 ppb (12) | 9.3 ppb (9) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (18) | 0.45 ppb (5) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 20, 2019, 7 p.m. | 11.1 ppb (10) | 7.0 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 23.0 ppb (18) | 0.47 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 20, 2019, 6 p.m. | 12.2 ppb (11) | 7.8 ppb (7) | N/A | 4.0 ppb (4) | N/A | N/A | 23.0 ppb (18) | 0.44 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 20, 2019, 5 p.m. | 15.8 ppb (15) | 9.8 ppb (9) | N/A | 6.0 ppb (6) | N/A | N/A | 21.0 ppb (16) | 0.38 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 20, 2019, 4 p.m. | 20.9 ppb (19) | 13.4 ppb (12) | N/A | 8.0 ppb (7) | N/A | N/A | 20.0 ppb (15) | 0.36 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 20, 2019, 3 p.m. | 22.4 ppb (21) | 12.9 ppb (12) | N/A | 10.0 ppb (9) | N/A | N/A | 19.0 ppb (15) | 0.38 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 20, 2019, 2 p.m. | 22.9 ppb (21) | 13.9 ppb (13) | N/A | 9.0 ppb (8) | N/A | N/A | 19.0 ppb (15) | 0.37 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 20, 2019, 1 p.m. | 17.4 ppb (16) | 10.7 ppb (10) | N/A | 7.0 ppb (6) | N/A | N/A | 19.0 ppb (15) | 0.31 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 20, 2019, noon | 13.7 ppb (13) | 8.1 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | 20.0 ppb (15) | 0.25 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 20, 2019, 11 a.m. | 5.8 ppb (5) | 3.5 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 22.0 ppb (17) | 0.22 ppb (2) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 9 a.m. | 3.0 ppb (3) | 2.2 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | 23.0 ppb (18) | 0.2 ppb (2) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 8 a.m. | 3.4 ppb (3) | 2.1 ppb (2) | N/A | 1.0 ppb (1) | N/A | N/A | 21.0 ppb (16) | 0.24 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 20, 2019, 7 a.m. | 6.1 ppb (6) | 3.9 ppb (4) | N/A | 2.0 ppb (2) | N/A | N/A | 21.0 ppb (16) | 0.25 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 6 a.m. | 9.2 ppb (9) | 5.1 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 19.0 ppb (15) | 0.28 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 20, 2019, 5 a.m. | 10.5 ppb (10) | 5.6 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | 19.0 ppb (15) | 0.29 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 4 a.m. | 9.9 ppb (9) | 7.2 ppb (7) | N/A | 3.0 ppb (3) | N/A | N/A | 20.0 ppb (15) | 0.31 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 20, 2019, 3 a.m. | 12.6 ppb (12) | 7.7 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | 19.0 ppb (15) | 0.35 ppb (4) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 20, 2019, 2 a.m. | 13.2 ppb (12) | 7.5 ppb (7) | N/A | 6.0 ppb (6) | N/A | N/A | 19.0 ppb (15) | 0.36 ppb (4) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 20, 2019, 1 a.m. | 9.0 ppb (8) | 5.8 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 21.0 ppb (16) | 0.34 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 20, 2019, midnight | 14.0 ppb (13) | 8.3 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | 20.0 ppb (15) | 0.36 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 19, 2019, 11 p.m. | 11.0 ppb (10) | 6.9 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (17) | 0.36 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 19, 2019, 10 p.m. | 18.7 ppb (17) | 11.4 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | 20.0 ppb (15) | 0.41 ppb (5) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 19, 2019, 9 p.m. | 16.0 ppb (15) | 9.4 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | 22.0 ppb (17) | 0.47 ppb (5) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 19, 2019, 8 p.m. | 22.1 ppb (20) | 13.9 ppb (13) | N/A | 8.0 ppb (7) | N/A | N/A | 21.0 ppb (16) | 0.51 ppb (6) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 19, 2019, 7 p.m. | 19.0 ppb (18) | 12.3 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | 21.0 ppb (16) | 0.49 ppb (5) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 19, 2019, 6 p.m. | 26.7 ppb (25) | 15.9 ppb (15) | N/A | 11.0 ppb (10) | N/A | N/A | 21.0 ppb (16) | 0.46 ppb (5) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 19, 2019, 5 p.m. | 32.6 ppb (30) | 21.1 ppb (20) | N/A | 12.0 ppb (11) | N/A | N/A | 18.0 ppb (14) | 0.43 ppb (5) | N/A | N/A | 30.0 | |
| July 19, 2019, 4 p.m. | 37.1 ppb (34) | 24.5 ppb (23) | N/A | 13.0 ppb (12) | N/A | N/A | 15.0 ppb (12) | 0.37 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 19, 2019, 3 p.m. | 40.4 ppb (37) | 24.7 ppb (23) | N/A | 16.0 ppb (15) | N/A | N/A | 13.0 ppb (10) | 0.38 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 19, 2019, 2 p.m. | 40.8 ppb (38) | 25.5 ppb (24) | N/A | 15.0 ppb (14) | N/A | N/A | 12.0 ppb (9) | 0.4 ppb (4) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 19, 2019, 1 p.m. | 38.7 ppb (36) | 23.0 ppb (21) | N/A | 16.0 ppb (15) | N/A | N/A | 14.0 ppb (11) | 0.33 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 19, 2019, noon | 29.7 ppb (28) | 16.8 ppb (16) | N/A | 13.0 ppb (12) | N/A | N/A | 18.0 ppb (14) | 0.29 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 19, 2019, 11 a.m. | 19.2 ppb (18) | 10.6 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | 21.0 ppb (16) | 0.26 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 19, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 19, 2019, 9 a.m. | 9.8 ppb (9) | 4.2 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 22.0 ppb (17) | 0.21 ppb (2) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 19, 2019, 8 a.m. | 8.5 ppb (8) | 4.3 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (18) | 0.2 ppb (2) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 19, 2019, 7 a.m. | 7.9 ppb (7) | 3.9 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 23.0 ppb (18) | 0.24 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 19, 2019, 6 a.m. | 10.6 ppb (10) | 5.5 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | 21.0 ppb (16) | 0.28 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 19, 2019, 5 a.m. | 12.6 ppb (12) | 6.2 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 18.0 ppb (14) | 0.33 ppb (4) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 19, 2019, 4 a.m. | 16.2 ppb (15) | 9.1 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | 15.0 ppb (12) | 0.38 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 19, 2019, 3 a.m. | 20.0 ppb (19) | 12.6 ppb (12) | N/A | 7.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.4 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 19, 2019, 2 a.m. | 23.8 ppb (22) | 16.2 ppb (15) | N/A | 8.0 ppb (7) | N/A | N/A | 9.0 ppb (7) | 0.42 ppb (5) | N/A | 4.0 μg/m3 (17) | 22.0 | |
| July 19, 2019, 1 a.m. | 16.4 ppb (15) | 12.3 ppb (11) | N/A | 4.0 ppb (4) | N/A | N/A | 10.0 ppb (8) | 0.41 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 19, 2019, midnight | 15.4 ppb (14) | 11.1 ppb (10) | N/A | 4.0 ppb (4) | N/A | N/A | 11.0 ppb (8) | 0.46 ppb (5) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 18, 2019, 11 p.m. | 20.6 ppb (19) | 15.7 ppb (15) | N/A | 5.0 ppb (5) | N/A | N/A | 12.0 ppb (9) | 0.48 ppb (5) | N/A | 4.0 μg/m3 (17) | 19.0 | |
| July 18, 2019, 10 p.m. | 20.2 ppb (19) | 14.2 ppb (13) | N/A | 6.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.46 ppb (5) | N/A | 2.0 μg/m3 (8) | 19.0 | |
| July 18, 2019, 9 p.m. | 17.3 ppb (16) | 13.3 ppb (12) | N/A | 4.0 ppb (4) | N/A | N/A | 13.0 ppb (10) | 0.42 ppb (5) | N/A | 3.0 μg/m3 (12) | 16.0 | |
| July 18, 2019, 8 p.m. | 19.7 ppb (18) | 14.3 ppb (13) | N/A | 5.0 ppb (5) | N/A | N/A | 11.0 ppb (8) | 0.39 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 18, 2019, 7 p.m. | 23.1 ppb (21) | 17.3 ppb (16) | N/A | 6.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.45 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 18, 2019, 6 p.m. | 19.7 ppb (18) | 14.8 ppb (14) | N/A | 5.0 ppb (5) | N/A | N/A | 13.0 ppb (10) | 0.42 ppb (5) | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 18, 2019, 5 p.m. | 28.9 ppb (27) | 20.8 ppb (19) | N/A | 8.0 ppb (7) | N/A | N/A | 12.0 ppb (9) | 0.33 ppb (4) | N/A | 4.0 μg/m3 (17) | 27.0 | |
| July 18, 2019, 4 p.m. | 32.9 ppb (30) | 22.9 ppb (21) | N/A | 10.0 ppb (9) | N/A | N/A | 10.0 ppb (8) | 0.28 ppb (3) | N/A | 7.0 μg/m3 (29) | 30.0 | |
| July 18, 2019, 3 p.m. | 36.6 ppb (34) | 25.2 ppb (23) | N/A | 11.0 ppb (10) | N/A | N/A | 9.0 ppb (7) | 0.29 ppb (3) | N/A | 7.0 μg/m3 (29) | 34.0 | |
| July 18, 2019, 2 p.m. | 33.3 ppb (31) | 23.0 ppb (21) | N/A | 10.0 ppb (9) | N/A | N/A | 10.0 ppb (8) | 0.3 ppb (3) | N/A | 7.0 μg/m3 (29) | 31.0 | |
| July 18, 2019, 1 p.m. | 30.8 ppb (29) | 20.2 ppb (19) | N/A | 11.0 ppb (10) | N/A | N/A | 10.0 ppb (8) | 0.3 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 18, 2019, noon | 35.6 ppb (33) | 23.5 ppb (22) | N/A | 12.0 ppb (11) | N/A | N/A | 10.0 ppb (8) | 0.32 ppb (4) | N/A | 5.0 μg/m3 (21) | 33.0 | |
| July 18, 2019, 11 a.m. | 19.8 ppb (18) | 12.9 ppb (12) | N/A | 7.0 ppb (6) | N/A | N/A | 13.0 ppb (10) | 0.28 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 18, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 18, 2019, 9 a.m. | 8.5 ppb (8) | 4.9 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 16.0 ppb (12) | 0.21 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 18, 2019, 8 a.m. | 7.1 ppb (7) | 3.9 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 16.0 ppb (12) | 0.18 ppb (2) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 18, 2019, 7 a.m. | 7.3 ppb (7) | 4.0 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 17.0 ppb (13) | 0.22 ppb (2) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 18, 2019, 6 a.m. | 11.1 ppb (10) | 7.0 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 15.0 ppb (12) | 0.28 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 18, 2019, 5 a.m. | 13.1 ppb (12) | 8.1 ppb (8) | N/A | 5.0 ppb (5) | N/A | N/A | 14.0 ppb (11) | 0.33 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 18, 2019, 4 a.m. | 17.6 ppb (16) | 10.3 ppb (10) | N/A | 7.0 ppb (6) | N/A | N/A | 13.0 ppb (10) | 0.35 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 18, 2019, 3 a.m. | 21.9 ppb (20) | 12.1 ppb (11) | N/A | 10.0 ppb (9) | N/A | N/A | 13.0 ppb (10) | 0.42 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 18, 2019, 2 a.m. | 20.9 ppb (19) | 12.9 ppb (12) | N/A | 8.0 ppb (7) | N/A | N/A | 18.0 ppb (14) | 0.44 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 18, 2019, 1 a.m. | 27.5 ppb (25) | 17.6 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | 17.0 ppb (13) | 0.66 ppb (7) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 18, 2019, midnight | 26.5 ppb (25) | 16.8 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | 19.0 ppb (15) | 0.46 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, 11 p.m. | 24.2 ppb (22) | 14.6 ppb (14) | N/A | 10.0 ppb (9) | N/A | N/A | 21.0 ppb (16) | 0.42 ppb (5) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 17, 2019, 10 p.m. | 22.3 ppb (21) | 13.3 ppb (12) | N/A | 9.0 ppb (8) | N/A | N/A | 21.0 ppb (16) | 0.4 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 17, 2019, 9 p.m. | 21.0 ppb (19) | 12.3 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | 24.0 ppb (18) | 0.42 ppb (5) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 17, 2019, 8 p.m. | 21.4 ppb (20) | 13.7 ppb (13) | N/A | 8.0 ppb (7) | N/A | N/A | 23.0 ppb (18) | 0.43 ppb (5) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 17, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 17, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 17, 2019, 4 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 | |
| July 17, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 2 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 | |
| July 17, 2019, 1 p.m. | 48.9 ppb (45) | 28.0 ppb (26) | N/A | 21.0 ppb (19) | N/A | N/A | 8.0 ppb (6) | 0.65 ppb (7) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 17, 2019, noon | 37.8 ppb (35) | 20.9 ppb (19) | N/A | 17.0 ppb (16) | N/A | N/A | 10.0 ppb (8) | 0.59 ppb (7) | N/A | 8.0 μg/m3 (33) | 35.0 | |
| July 17, 2019, 11 a.m. | 26.5 ppb (25) | 13.9 ppb (13) | N/A | 13.0 ppb (12) | N/A | N/A | 12.0 ppb (9) | 0.52 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 17, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 17, 2019, 9 a.m. | 5.6 ppb (5) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 19.0 ppb (15) | 0.42 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, 8 a.m. | 8.3 ppb (8) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 17.0 ppb (13) | 0.44 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 17, 2019, 7 a.m. | 11.2 ppb (10) | 4.3 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | 16.0 ppb (12) | 0.48 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 17, 2019, 6 a.m. | 10.1 ppb (9) | 3.6 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 16.0 ppb (12) | 0.51 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, 5 a.m. | 12.1 ppb (11) | 4.2 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | 14.0 ppb (11) | 0.57 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 17, 2019, 4 a.m. | 15.9 ppb (15) | 7.3 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | 15.0 ppb (12) | 0.59 ppb (7) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 17, 2019, 3 a.m. | 16.0 ppb (15) | 8.8 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | 16.0 ppb (12) | 0.62 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 17, 2019, 2 a.m. | 20.8 ppb (19) | 12.3 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | 15.0 ppb (12) | 0.71 ppb (8) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 17, 2019, 1 a.m. | 22.3 ppb (21) | 13.7 ppb (13) | N/A | 9.0 ppb (8) | N/A | N/A | 15.0 ppb (12) | 0.72 ppb (8) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 17, 2019, midnight | 32.1 ppb (30) | 21.2 ppb (20) | N/A | 11.0 ppb (10) | N/A | N/A | 13.0 ppb (10) | 0.72 ppb (8) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 16, 2019, 11 p.m. | 18.6 ppb (17) | 11.8 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | 16.0 ppb (12) | 0.67 ppb (7) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 16, 2019, 10 p.m. | 23.7 ppb (22) | 15.1 ppb (14) | N/A | 9.0 ppb (8) | N/A | N/A | 15.0 ppb (12) | 0.69 ppb (8) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 16, 2019, 9 p.m. | 29.1 ppb (27) | 20.9 ppb (19) | N/A | 8.0 ppb (7) | N/A | N/A | 15.0 ppb (12) | 0.74 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 16, 2019, 8 p.m. | 24.0 ppb (22) | 17.5 ppb (16) | N/A | 7.0 ppb (6) | N/A | N/A | 15.0 ppb (12) | 0.71 ppb (8) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 16, 2019, 7 p.m. | 28.2 ppb (26) | 21.2 ppb (20) | N/A | 7.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.72 ppb (8) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 16, 2019, 6 p.m. | 30.5 ppb (28) | 21.1 ppb (20) | N/A | 9.0 ppb (8) | N/A | N/A | 10.0 ppb (8) | 0.64 ppb (7) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 16, 2019, 5 p.m. | 35.9 ppb (33) | 25.7 ppb (24) | N/A | 10.0 ppb (9) | N/A | N/A | 8.0 ppb (6) | 0.57 ppb (6) | N/A | 6.0 μg/m3 (25) | 33.0 | |
| July 16, 2019, 4 p.m. | 39.9 ppb (37) | 28.6 ppb (26) | N/A | 11.0 ppb (10) | N/A | N/A | 7.0 ppb (5) | 0.57 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 16, 2019, 3 p.m. | 18.4 ppb (17) | 11.6 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | 7.0 ppb (5) | 0.45 ppb (5) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 16, 2019, 2 p.m. | 12.0 ppb (11) | 4.3 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | 7.0 ppb (5) | 0.39 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 16, 2019, 1 p.m. | 32.5 ppb (30) | 19.7 ppb (18) | N/A | 13.0 ppb (12) | N/A | N/A | 4.0 ppb (3) | 0.49 ppb (5) | N/A | 5.0 μg/m3 (21) | 30.0 | |
| July 16, 2019, noon | 26.7 ppb (25) | 15.5 ppb (14) | N/A | 11.0 ppb (10) | N/A | N/A | 5.0 ppb (4) | 0.49 ppb (5) | N/A | 5.0 μg/m3 (21) | 25.0 | |
| July 16, 2019, 11 a.m. | 24.5 ppb (23) | 15.7 ppb (15) | N/A | 9.0 ppb (8) | N/A | N/A | 7.0 ppb (5) | 0.47 ppb (5) | N/A | 5.0 μg/m3 (21) | 23.0 | |
| July 16, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 16, 2019, 9 a.m. | 10.4 ppb (10) | 4.5 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 9.0 ppb (7) | 0.43 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 16, 2019, 8 a.m. | 6.9 ppb (6) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 10.0 ppb (8) | 0.41 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 16, 2019, 7 a.m. | 11.7 ppb (11) | 4.2 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | 9.0 ppb (7) | 0.51 ppb (6) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 16, 2019, 6 a.m. | 13.9 ppb (13) | 5.0 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | 8.0 ppb (6) | 0.52 ppb (6) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 16, 2019, 5 a.m. | 14.0 ppb (13) | 4.0 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | 7.0 ppb (5) | 0.5 ppb (6) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 16, 2019, 4 a.m. | 14.3 ppb (13) | 8.3 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.58 ppb (6) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 16, 2019, 3 a.m. | 14.5 ppb (13) | 9.0 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | 13.0 ppb (10) | 0.6 ppb (7) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 16, 2019, 2 a.m. | 16.5 ppb (15) | 10.0 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | 14.0 ppb (11) | 0.66 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 16, 2019, 1 a.m. | 16.6 ppb (15) | 10.5 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | 15.0 ppb (12) | 0.67 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 16, 2019, midnight | 15.2 ppb (14) | 10.0 ppb (9) | N/A | 5.0 ppb (5) | N/A | N/A | 16.0 ppb (12) | 0.64 ppb (7) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 15, 2019, 11 p.m. | 19.6 ppb (18) | 12.1 ppb (11) | N/A | 8.0 ppb (7) | N/A | N/A | 15.0 ppb (12) | 0.64 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 15, 2019, 10 p.m. | 23.3 ppb (22) | 15.3 ppb (14) | N/A | 8.0 ppb (7) | N/A | N/A | 17.0 ppb (13) | 0.67 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 15, 2019, 9 p.m. | 26.8 ppb (25) | 16.6 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | 18.0 ppb (14) | 0.72 ppb (8) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 15, 2019, 8 p.m. | 30.4 ppb (28) | 18.9 ppb (18) | N/A | 12.0 ppb (11) | N/A | N/A | 16.0 ppb (12) | 0.76 ppb (8) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 7 p.m. | 28.8 ppb (27) | 18.4 ppb (17) | N/A | 10.0 ppb (9) | N/A | N/A | 16.0 ppb (12) | 0.71 ppb (8) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2019, 6 p.m. | 32.7 ppb (30) | 22.4 ppb (21) | N/A | 10.0 ppb (9) | N/A | N/A | 14.0 ppb (11) | 0.71 ppb (8) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 5 p.m. | 41.5 ppb (38) | 25.9 ppb (24) | N/A | 16.0 ppb (15) | N/A | N/A | 11.0 ppb (8) | 0.68 ppb (8) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 4 p.m. | 60.1 ppb (56) | 37.3 ppb (35) | N/A | 23.0 ppb (21) | N/A | N/A | 7.0 ppb (5) | 0.7 ppb (8) | N/A | 13.0 μg/m3 (52) | 56.0 | |
| July 15, 2019, 3 p.m. | 66.8 ppb (64) | 43.3 ppb (40) | N/A | 24.0 ppb (22) | N/A | N/A | 5.0 ppb (4) | 0.91 ppb (10) | N/A | 17.0 μg/m3 (61) | 64.0 | |
| July 15, 2019, 2 p.m. | 81.5 ppb (79) | 54.7 ppb (51) | N/A | 27.0 ppb (25) | N/A | N/A | 2.0 ppb (2) | 0.78 ppb (9) | N/A | 21.0 μg/m3 (69) | 79.0 | |
| July 15, 2019, 1 p.m. | 39.9 ppb (37) | 20.0 ppb (19) | N/A | 20.0 ppb (19) | N/A | N/A | 2.0 ppb (2) | 0.56 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2019, noon | 28.8 ppb (27) | 7.2 ppb (7) | N/A | 22.0 ppb (20) | N/A | N/A | 1.0 ppb (1) | 0.48 ppb (5) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 11 a.m. | 32.2 ppb (30) | 15.2 ppb (14) | N/A | 17.0 ppb (16) | N/A | N/A | 6.0 ppb (5) | 0.47 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 9 a.m. | 13.1 ppb (12) | 2.2 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | 9.0 ppb (7) | 0.48 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 8 a.m. | 19.5 ppb (18) | 4.2 ppb (4) | N/A | 15.0 ppb (14) | N/A | N/A | 5.0 ppb (4) | 0.5 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 7 a.m. | 23.7 ppb (22) | 6.9 ppb (6) | N/A | 17.0 ppb (16) | N/A | N/A | 5.0 ppb (4) | 0.59 ppb (7) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 6 a.m. | 18.1 ppb (17) | 3.3 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | 7.0 ppb (5) | 0.58 ppb (6) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 5 a.m. | 21.2 ppb (20) | 3.4 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 4.0 ppb (3) | 0.55 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 4 a.m. | 23.1 ppb (21) | 9.0 ppb (8) | N/A | 14.0 ppb (13) | N/A | N/A | 9.0 ppb (7) | 0.63 ppb (7) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 3 a.m. | 23.8 ppb (22) | 11.0 ppb (10) | N/A | 13.0 ppb (12) | N/A | N/A | 9.0 ppb (7) | 0.66 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 15, 2019, 2 a.m. | 17.8 ppb (16) | 9.3 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | 13.0 ppb (10) | 0.62 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2019, 1 a.m. | 18.1 ppb (17) | 10.5 ppb (10) | N/A | 8.0 ppb (7) | N/A | N/A | 14.0 ppb (11) | 0.61 ppb (7) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 15, 2019, midnight | 15.5 ppb (14) | 9.1 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | 16.0 ppb (12) | 0.6 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 14, 2019, 11 p.m. | 10.9 ppb (10) | 7.0 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 17.0 ppb (13) | 0.62 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 14, 2019, 10 p.m. | 10.1 ppb (9) | 6.9 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 18.0 ppb (14) | 0.56 ppb (6) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 9 p.m. | 13.3 ppb (12) | 8.5 ppb (8) | N/A | 5.0 ppb (5) | N/A | N/A | 19.0 ppb (15) | 0.56 ppb (6) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 8 p.m. | 12.3 ppb (11) | 7.3 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | 19.0 ppb (15) | 0.56 ppb (6) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 7 p.m. | 15.2 ppb (14) | 8.7 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | 20.0 ppb (15) | 0.59 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 14, 2019, 6 p.m. | 15.5 ppb (14) | 9.5 ppb (9) | N/A | 6.0 ppb (6) | N/A | N/A | 19.0 ppb (15) | 0.6 ppb (7) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 5 p.m. | 13.9 ppb (13) | 8.5 ppb (8) | N/A | 5.0 ppb (5) | N/A | N/A | 18.0 ppb (14) | 0.56 ppb (6) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 4 p.m. | 16.0 ppb (15) | 9.7 ppb (9) | N/A | 6.0 ppb (6) | N/A | N/A | 16.0 ppb (12) | 0.52 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 14, 2019, 3 p.m. | 13.0 ppb (12) | 6.3 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | 15.0 ppb (12) | 0.44 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2019, 2 p.m. | 4.5 ppb (4) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 16.0 ppb (12) | 0.33 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 1 p.m. | 16.3 ppb (15) | 7.3 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | 10.0 ppb (8) | 0.43 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 14, 2019, noon | 10.9 ppb (10) | 4.3 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.36 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 11 a.m. | 6.5 ppb (6) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 12.0 ppb (9) | 0.35 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2019, 9 a.m. | 11.9 ppb (11) | 3.5 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | 8.0 ppb (6) | 0.44 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 |