Oakland CA, US: 37.8148, -122.282402
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 20, 2019, 7 a.m. | 3.9 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.36 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 20, 2019, 6 a.m. | 4.1 ppb (4) | 0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.36 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 20, 2019, 5 a.m. | 3.8 ppb (4) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.36 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 4 a.m. | 3.8 ppb (4) | 0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.36 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 3 a.m. | 4.4 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.37 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 20, 2019, 2 a.m. | 4.4 ppb (4) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.36 ppb (4) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 20, 2019, 1 a.m. | 5.1 ppb (5) | 1.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.37 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, midnight | 5.8 ppb (5) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.37 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 19, 2019, 11 p.m. | 11.5 ppb (11) | 4.9 ppb (5) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.39 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 19, 2019, 10 p.m. | 6.9 ppb (6) | 2.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.4 ppb (4) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 19, 2019, 9 p.m. | 9.0 ppb (8) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.41 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 19, 2019, 8 p.m. | 6.4 ppb (6) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.39 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 19, 2019, 7 p.m. | 5.0 ppb (5) | 1.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.38 ppb (4) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 19, 2019, 6 p.m. | 8.1 ppb (8) | 2.7 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.39 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 19, 2019, 5 p.m. | 5.4 ppb (5) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.35 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 19, 2019, 4 p.m. | 8.6 ppb (8) | 3.2 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.37 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 19, 2019, 3 p.m. | 9.8 ppb (9) | 2.5 ppb (2) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.37 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 19, 2019, 2 p.m. | 7.9 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.35 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 19, 2019, 1 p.m. | 12.0 ppb (11) | 0.4 ppb (0) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.36 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 19, 2019, noon | 10.6 ppb (10) | 0.0 ppb (0) | N/A | 11.0 ppb (10) | N/A | N/A | 15.0 ppb (12) | 0.33 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 19, 2019, 11 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 19, 2019, 10 a.m. | 4.5 ppb (4) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.33 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 19, 2019, 9 a.m. | 6.4 ppb (6) | -0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.32 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 19, 2019, 8 a.m. | 7.0 ppb (6) | -0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.33 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 19, 2019, 7 a.m. | 3.7 ppb (3) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.32 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 19, 2019, 6 a.m. | 2.5 ppb (2) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.33 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 19, 2019, 5 a.m. | 3.1 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.33 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 19, 2019, 4 a.m. | 3.4 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.34 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 19, 2019, 3 a.m. | 6.1 ppb (6) | 0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.35 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 19, 2019, 2 a.m. | 4.9 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.35 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 19, 2019, 1 a.m. | 4.0 ppb (4) | 1.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.38 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 19, 2019, midnight | 3.6 ppb (3) | 1.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.39 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 18, 2019, 11 p.m. | 4.9 ppb (5) | 2.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.36 ppb (4) | N/A | 1.0 μg/m3 (4) | 10.0 | |
| July 18, 2019, 10 p.m. | 6.4 ppb (6) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.36 ppb (4) | N/A | 0.0 μg/m3 (0) | 11.0 | |
| July 18, 2019, 9 p.m. | 5.0 ppb (5) | 2.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.34 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 18, 2019, 8 p.m. | 6.3 ppb (6) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.34 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 18, 2019, 7 p.m. | 5.9 ppb (5) | 2.6 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.35 ppb (4) | N/A | 2.0 μg/m3 (8) | 11.0 | |
| July 18, 2019, 6 p.m. | 6.3 ppb (6) | 2.7 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.35 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 18, 2019, 5 p.m. | 9.6 ppb (9) | 4.8 ppb (4) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.37 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 18, 2019, 4 p.m. | 10.8 ppb (10) | 4.6 ppb (4) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.38 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 18, 2019, 3 p.m. | 11.3 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.37 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 18, 2019, 2 p.m. | 7.6 ppb (7) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.36 ppb (4) | N/A | 1.0 μg/m3 (4) | 10.0 | |
| July 18, 2019, 1 p.m. | 6.3 ppb (6) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.36 ppb (4) | N/A | 2.0 μg/m3 (8) | 11.0 | |
| July 18, 2019, noon | 7.0 ppb (6) | 0.5 ppb (0) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.34 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 18, 2019, 11 a.m. | 8.5 ppb (8) | 0.9 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 12.0 ppb (9) | 0.32 ppb (4) | N/A | 2.0 μg/m3 (8) | 9.0 | |
| July 18, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 18, 2019, 9 a.m. | 3.2 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.33 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 18, 2019, 8 a.m. | 5.7 ppb (5) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.34 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 18, 2019, 7 a.m. | 7.5 ppb (7) | 0.1 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.36 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 18, 2019, 6 a.m. | 6.6 ppb (6) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.35 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 18, 2019, 5 a.m. | 13.3 ppb (12) | 0.5 ppb (0) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.38 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 18, 2019, 4 a.m. | 16.1 ppb (15) | 0.5 ppb (0) | N/A | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.39 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 18, 2019, 3 a.m. | 13.3 ppb (12) | 0.5 ppb (0) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.44 ppb (5) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 18, 2019, 2 a.m. | 9.5 ppb (9) | 1.5 ppb (1) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.44 ppb (5) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 18, 2019, 1 a.m. | 10.6 ppb (10) | 2.9 ppb (3) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.44 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 18, 2019, midnight | 16.1 ppb (15) | 5.8 ppb (5) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.46 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 17, 2019, 11 p.m. | 10.4 ppb (10) | 3.6 ppb (3) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.43 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, 10 p.m. | 12.3 ppb (11) | 4.3 ppb (4) | N/A | 8.0 ppb (7) | N/A | 5.0 ppb (7) | 24.0 ppb (18) | 0.43 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 17, 2019, 9 p.m. | 10.6 ppb (10) | 3.3 ppb (3) | N/A | 7.0 ppb (6) | N/A | 5.0 ppb (7) | 26.0 ppb (20) | 0.41 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 17, 2019, 8 p.m. | 13.8 ppb (13) | 5.0 ppb (5) | N/A | 9.0 ppb (8) | N/A | 8.0 ppb (11) | 23.0 ppb (18) | 0.43 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 17, 2019, 7 p.m. | 16.1 ppb (15) | 5.9 ppb (5) | N/A | 10.0 ppb (9) | N/A | 5.0 ppb (7) | 22.0 ppb (17) | 0.42 ppb (5) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 17, 2019, 6 p.m. | 18.7 ppb (17) | 7.7 ppb (7) | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | 19.0 ppb (15) | 0.41 ppb (5) | N/A | N/A | 17.0 | |
| July 17, 2019, 5 p.m. | 11.0 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.41 ppb (5) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 17, 2019, 4 p.m. | 11.2 ppb (10) | 4.2 ppb (4) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.4 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 17, 2019, 3 p.m. | 8.2 ppb (8) | 2.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.39 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, 2 p.m. | 19.5 ppb (18) | 5.7 ppb (5) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.4 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 17, 2019, 1 p.m. | 15.7 ppb (15) | 1.7 ppb (2) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.37 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 17, 2019, noon | 8.4 ppb (8) | 0.2 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 16.0 ppb (12) | 0.33 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 17, 2019, 11 a.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, 10 a.m. | 5.1 ppb (5) | 0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.33 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 17, 2019, 9 a.m. | 1.9 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.32 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 17, 2019, 8 a.m. | 4.3 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.33 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, 7 a.m. | 4.3 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.33 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 17, 2019, 6 a.m. | 2.9 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.33 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 17, 2019, 5 a.m. | 8.9 ppb (8) | 0.1 ppb (0) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.36 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 17, 2019, 4 a.m. | 9.3 ppb (9) | 0.4 ppb (0) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.37 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 17, 2019, 3 a.m. | 17.5 ppb (16) | 2.8 ppb (3) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.39 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 17, 2019, 2 a.m. | 16.8 ppb (16) | 4.2 ppb (4) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.38 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 17, 2019, 1 a.m. | 9.7 ppb (9) | 3.3 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.37 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, midnight | 11.5 ppb (11) | 4.6 ppb (4) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.39 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 16, 2019, 11 p.m. | 11.6 ppb (11) | 4.4 ppb (4) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.37 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 16, 2019, 10 p.m. | 12.4 ppb (11) | 4.7 ppb (4) | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | 20.0 ppb (15) | 0.4 ppb (4) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 16, 2019, 9 p.m. | 16.2 ppb (15) | 6.9 ppb (6) | N/A | 9.0 ppb (8) | N/A | 3.0 ppb (4) | 17.0 ppb (13) | 0.4 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 16, 2019, 8 p.m. | 12.0 ppb (11) | 5.3 ppb (5) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.37 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 16, 2019, 7 p.m. | 12.9 ppb (12) | 5.9 ppb (5) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.37 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 16, 2019, 6 p.m. | 12.2 ppb (11) | 6.2 ppb (6) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.36 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 16, 2019, 5 p.m. | 11.6 ppb (11) | 6.2 ppb (6) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.36 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 16, 2019, 4 p.m. | 15.8 ppb (15) | 8.8 ppb (8) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.39 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 16, 2019, 3 p.m. | 10.3 ppb (10) | 4.1 ppb (4) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.36 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 16, 2019, 2 p.m. | 8.4 ppb (8) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.34 ppb (4) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 16, 2019, 1 p.m. | 9.1 ppb (8) | 2.1 ppb (2) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.33 ppb (4) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 16, 2019, noon | 8.9 ppb (8) | 1.8 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 8.0 ppb (6) | 0.32 ppb (4) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 16, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 4.0 | |
| July 16, 2019, 10 a.m. | 6.8 ppb (6) | 0.2 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.32 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 16, 2019, 9 a.m. | 5.2 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.32 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 16, 2019, 8 a.m. | 2.8 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.33 ppb (4) | N/A | 2.0 μg/m3 (8) | 10.0 | |
| July 16, 2019, 7 a.m. | 5.5 ppb (5) | 0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.34 ppb (4) | N/A | 1.0 μg/m3 (4) | 8.0 | |
| July 16, 2019, 6 a.m. | 5.1 ppb (5) | 0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.34 ppb (4) | N/A | 2.0 μg/m3 (8) | 9.0 | |
| July 16, 2019, 5 a.m. | 11.4 ppb (11) | 0.8 ppb (1) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.37 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 16, 2019, 4 a.m. | 13.3 ppb (12) | 1.6 ppb (1) | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | 7.0 ppb (5) | 0.39 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 16, 2019, 3 a.m. | 8.9 ppb (8) | 0.9 ppb (1) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.38 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 16, 2019, 2 a.m. | 6.4 ppb (6) | 1.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.36 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 16, 2019, 1 a.m. | 7.2 ppb (7) | 2.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.36 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 16, 2019, midnight | 9.2 ppb (9) | 3.4 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.38 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 11 p.m. | 18.4 ppb (17) | 8.5 ppb (8) | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 15.0 ppb (12) | 0.4 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 15, 2019, 10 p.m. | 15.4 ppb (14) | 5.9 ppb (5) | N/A | 10.0 ppb (9) | N/A | 5.0 ppb (7) | 19.0 ppb (15) | 0.39 ppb (4) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 15, 2019, 9 p.m. | 13.1 ppb (12) | 4.7 ppb (4) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.38 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 15, 2019, 8 p.m. | 8.9 ppb (8) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.38 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 7 p.m. | 11.8 ppb (11) | 4.4 ppb (4) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.37 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 15, 2019, 6 p.m. | 16.5 ppb (15) | 6.3 ppb (6) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.39 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 15, 2019, 5 p.m. | 19.4 ppb (18) | 8.2 ppb (8) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.41 ppb (5) | N/A | N/A | 18.0 | |
| July 15, 2019, 4 p.m. | 20.2 ppb (19) | 8.8 ppb (8) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.45 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 3 p.m. | 23.6 ppb (22) | 11.5 ppb (11) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.49 ppb (5) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 15, 2019, 2 p.m. | 23.7 ppb (22) | 9.2 ppb (9) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.46 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 1 p.m. | 32.7 ppb (30) | 11.5 ppb (11) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.46 ppb (5) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 15, 2019, noon | 18.9 ppb (18) | 2.1 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 4.0 ppb (3) | 0.43 ppb (5) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 15, 2019, 11 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, 10 a.m. | 6.6 ppb (6) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.35 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 15, 2019, 9 a.m. | 4.4 ppb (4) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.34 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 15, 2019, 8 a.m. | 7.7 ppb (7) | 0.0 ppb (0) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.37 ppb (4) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 15, 2019, 7 a.m. | 10.7 ppb (10) | 0.2 ppb (0) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.37 ppb (4) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 15, 2019, 6 a.m. | 10.4 ppb (10) | 0.1 ppb (0) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.4 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 5 a.m. | 14.3 ppb (13) | 0.6 ppb (1) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.46 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2019, 4 a.m. | 19.2 ppb (18) | 0.5 ppb (0) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.39 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 15, 2019, 3 a.m. | 18.7 ppb (17) | 4.8 ppb (4) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.37 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 2 a.m. | 16.3 ppb (15) | 4.4 ppb (4) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.38 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 1 a.m. | 9.6 ppb (9) | 3.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.37 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 15, 2019, midnight | 8.9 ppb (8) | 3.6 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.35 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 11 p.m. | 6.2 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 21.0 ppb (16) | 0.37 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 14, 2019, 10 p.m. | 8.8 ppb (8) | 3.3 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.36 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2019, 9 p.m. | 5.5 ppb (5) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.35 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 14, 2019, 8 p.m. | 5.4 ppb (5) | 1.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.35 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 14, 2019, 7 p.m. | 6.7 ppb (6) | 2.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.35 ppb (4) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 14, 2019, 6 p.m. | 6.3 ppb (6) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.34 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 14, 2019, 5 p.m. | 5.2 ppb (5) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.33 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 4 p.m. | 4.7 ppb (4) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.33 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2019, 3 p.m. | 4.4 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 19.0 ppb (15) | 0.33 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 2 p.m. | 3.3 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.32 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 14, 2019, 1 p.m. | 5.6 ppb (5) | 0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.31 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 14, 2019, noon | 6.7 ppb (6) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.32 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 14, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 14, 2019, 10 a.m. | 13.9 ppb (13) | 2.5 ppb (2) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.31 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 9 a.m. | 6.7 ppb (6) | 0.4 ppb (0) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.32 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2019, 8 a.m. | 5.3 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.33 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2019, 7 a.m. | 6.3 ppb (6) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.37 ppb (4) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2019, 6 a.m. | 15.3 ppb (14) | 1.3 ppb (1) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.37 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 14, 2019, 5 a.m. | 20.5 ppb (19) | 3.6 ppb (3) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.37 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 4 a.m. | 9.1 ppb (8) | 0.8 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.36 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 14, 2019, 3 a.m. | 6.2 ppb (6) | 0.3 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.36 ppb (4) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2019, 2 a.m. | 4.6 ppb (4) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.35 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 1 a.m. | 9.6 ppb (9) | 4.2 ppb (4) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.36 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 14, 2019, midnight | 8.3 ppb (8) | 3.2 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.36 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2019, 11 p.m. | 5.8 ppb (5) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.36 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 13, 2019, 10 p.m. | 5.4 ppb (5) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.35 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 13, 2019, 9 p.m. | 7.0 ppb (6) | 2.6 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.36 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 13, 2019, 8 p.m. | 8.7 ppb (8) | 3.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.36 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 13, 2019, 7 p.m. | 7.2 ppb (7) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.35 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 13, 2019, 6 p.m. | 6.5 ppb (6) | 2.7 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.34 ppb (4) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 13, 2019, 5 p.m. | 5.9 ppb (5) | 2.5 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.34 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 13, 2019, 4 p.m. | 6.6 ppb (6) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.33 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 13, 2019, 3 p.m. | 6.4 ppb (6) | 1.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.33 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 13, 2019, 2 p.m. | 4.7 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.32 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 13, 2019, 1 p.m. | 5.1 ppb (5) | 0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.31 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 13, 2019, noon | 6.0 ppb (6) | 0.3 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 12.0 ppb (9) | 0.3 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 13, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 13, 2019, 10 a.m. | 4.5 ppb (4) | 0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.31 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 13, 2019, 9 a.m. | 2.5 ppb (2) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.31 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 13, 2019, 8 a.m. | 3.4 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.31 ppb (3) | N/A | 3.0 μg/m3 (12) | 12.0 |