Philadelphia (Delaware Expy) PA, US: 40.054171, -74.985166
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 16, 2019, 4 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.67 ppb (7) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| July 16, 2019, 3 a.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| July 16, 2019, 2 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| July 16, 2019, 1 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.75 ppb (8) | N/A | 5.4 μg/m3 (23) | 23.0 | |
| July 16, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 5.9 μg/m3 (25) | 25.0 | |
| July 15, 2019, 11 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 15, 2019, 10 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| July 15, 2019, 9 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 15, 2019, 8 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| July 15, 2019, 7 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 3.6 μg/m3 (15) | 17.0 | |
| July 15, 2019, 6 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 5.8 μg/m3 (24) | 24.0 | |
| July 15, 2019, 5 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| July 15, 2019, 4 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| July 15, 2019, 3 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| July 15, 2019, 2 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| July 15, 2019, 1 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| July 15, 2019, noon | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| July 15, 2019, 11 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| July 15, 2019, 10 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.65 ppb (7) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| July 15, 2019, 9 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.65 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 15, 2019, 8 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| July 15, 2019, 7 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| July 15, 2019, 6 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 5 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| July 15, 2019, 4 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| July 15, 2019, 3 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.65 ppb (7) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| July 15, 2019, 2 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 9.1 μg/m3 (38) | 38.0 | |
| July 15, 2019, 1 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| July 15, 2019, midnight | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 11 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, 10 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| July 14, 2019, 9 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| July 14, 2019, 8 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| July 14, 2019, 7 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| July 14, 2019, 6 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| July 14, 2019, 5 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| July 14, 2019, 4 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 14, 2019, 3 p.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 13.1 μg/m3 (52) | 52.0 | |
| July 14, 2019, 2 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 12.1 μg/m3 (50) | 50.0 | |
| July 14, 2019, 1 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| July 14, 2019, noon | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| July 14, 2019, 11 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 11.9 μg/m3 (50) | 50.0 | |
| July 14, 2019, 10 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | 14.8 μg/m3 (56) | 56.0 | |
| July 14, 2019, 9 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.83 ppb (9) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| July 14, 2019, 8 a.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | 14.9 μg/m3 (56) | 56.0 | |
| July 14, 2019, 7 a.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.87 ppb (10) | N/A | 15.9 μg/m3 (58) | 58.0 | |
| July 14, 2019, 6 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | 23.4 μg/m3 (74) | 74.0 | |
| July 14, 2019, 5 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.78 ppb (9) | N/A | 13.8 μg/m3 (54) | 54.0 | |
| July 14, 2019, 4 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.72 ppb (8) | N/A | 14.8 μg/m3 (56) | 56.0 | |
| July 14, 2019, 3 a.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| July 14, 2019, 2 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.93 ppb (10) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| July 14, 2019, 1 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.79 ppb (9) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 14, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.73 ppb (8) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| July 13, 2019, 11 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 5.9 μg/m3 (25) | 25.0 | |
| July 13, 2019, 10 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 5.1 μg/m3 (21) | 21.0 | |
| July 13, 2019, 9 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 6.8 μg/m3 (28) | 28.0 | |
| July 13, 2019, 8 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| July 13, 2019, 7 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| July 13, 2019, 6 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 13, 2019, 5 p.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| July 13, 2019, 4 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 11.9 μg/m3 (50) | 50.0 | |
| July 13, 2019, 3 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| July 13, 2019, 2 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| July 13, 2019, 1 p.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| July 13, 2019, noon | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 9.1 μg/m3 (38) | 38.0 | |
| July 13, 2019, 11 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| July 13, 2019, 10 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.72 ppb (8) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2019, 9 a.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.67 ppb (7) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| July 13, 2019, 8 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| July 13, 2019, 7 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| July 13, 2019, 6 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.72 ppb (8) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| July 13, 2019, 5 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| July 13, 2019, 4 a.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.83 ppb (9) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| July 13, 2019, 3 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.78 ppb (9) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| July 13, 2019, 2 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.75 ppb (8) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| July 13, 2019, 1 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| July 13, 2019, midnight | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | 4.1 μg/m3 (17) | 19.0 | |
| July 12, 2019, 11 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| July 12, 2019, 10 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| July 12, 2019, 9 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 8.0 | |
| July 12, 2019, 8 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 55.8 μg/m3 (150) | 150.0 | |
| July 12, 2019, 7 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 11.0 | |
| July 12, 2019, 6 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 11.0 | |
| July 12, 2019, 5 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 14.0 | |
| July 12, 2019, 4 a.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | N/A | 15.0 | |
| July 12, 2019, 3 a.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 6.0 | |
| July 12, 2019, 2 a.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 5.0 | |
| July 12, 2019, 1 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | N/A | 11.0 | |
| July 12, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 5.0 | |
| July 11, 2019, 11 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| July 11, 2019, 10 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.65 ppb (7) | N/A | N/A | 15.0 | |
| July 11, 2019, 9 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 7.0 | |
| July 11, 2019, 8 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 5.0 | |
| July 11, 2019, 7 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 8.0 | |
| July 11, 2019, 6 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 4.0 | |
| July 11, 2019, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 4.0 | |
| July 11, 2019, 4 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 4.0 | |
| July 11, 2019, 3 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 4.0 | |
| July 11, 2019, 2 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 6.0 | |
| July 11, 2019, 1 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 5.0 | |
| July 11, 2019, noon | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 6.0 | |
| July 11, 2019, 11 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | N/A | 7.0 | |
| July 11, 2019, 10 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 6.0 | |
| July 11, 2019, 9 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 6.0 | |
| July 11, 2019, 8 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 6.0 | |
| July 11, 2019, 7 a.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 5.0 | |
| July 11, 2019, 6 a.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 15.0 | |
| July 11, 2019, 5 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 6.0 | |
| July 11, 2019, 4 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | N/A | 16.0 | |
| July 11, 2019, 3 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 10.0 | |
| July 11, 2019, 2 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 6.0 | |
| July 11, 2019, 1 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 7.0 | |
| July 11, 2019, midnight | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | N/A | 6.0 | |
| July 10, 2019, 11 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | N/A | 8.0 | |
| July 10, 2019, 10 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 7.0 | |
| July 10, 2019, 9 p.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 6.0 | |
| July 10, 2019, 8 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 7.0 | |
| July 10, 2019, 7 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 13.0 | |
| July 10, 2019, 6 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 14.0 | |
| July 10, 2019, 5 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 13.0 | |
| July 10, 2019, 4 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 11.0 | |
| July 10, 2019, 3 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 15.0 | |
| July 10, 2019, 2 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | -2.0 μg/m3 (0) | 15.0 | |
| July 10, 2019, 1 p.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | -0.3 μg/m3 (0) | 19.0 | |
| July 10, 2019, noon | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.74 ppb (8) | N/A | N/A | 21.0 | |
| July 10, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.84 ppb (9) | N/A | 3.9 μg/m3 (16) | 16.0 | |
| July 10, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (10) | N/A | 2.1 μg/m3 (9) | 10.0 | |
| July 10, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.86 ppb (10) | N/A | 2.9 μg/m3 (12) | 12.0 | |
| July 10, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.71 ppb (8) | N/A | 3.9 μg/m3 (16) | 16.0 | |
| July 10, 2019, 7 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 4.9 μg/m3 (20) | 23.0 | |
| July 10, 2019, 6 a.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 27.0 | |
| July 10, 2019, 5 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.73 ppb (8) | N/A | 4.1 μg/m3 (17) | 23.0 | |
| July 10, 2019, 4 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.73 ppb (8) | N/A | 4.0 μg/m3 (17) | 22.0 | |
| July 10, 2019, 3 a.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 2.1 μg/m3 (9) | 21.0 | |
| July 10, 2019, 2 a.m. | N/A | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.82 ppb (9) | N/A | 1.1 μg/m3 (5) | 31.0 | |
| July 10, 2019, 1 a.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.73 ppb (8) | N/A | 3.8 μg/m3 (16) | 21.0 | |
| July 10, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.73 ppb (8) | N/A | 2.1 μg/m3 (9) | 9.0 | |
| July 9, 2019, 11 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 16.0 | |
| July 9, 2019, 10 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 1.1 μg/m3 (5) | 19.0 | |
| July 9, 2019, 9 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | -0.8 μg/m3 (0) | 14.0 | |
| July 9, 2019, 8 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | -1.9 μg/m3 (0) | 6.0 | |
| July 9, 2019, 7 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | -0.1 μg/m3 (0) | 4.0 | |
| July 9, 2019, 6 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 10.0 | |
| July 9, 2019, 5 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 12.0 | |
| July 9, 2019, 4 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| July 9, 2019, 3 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 11.1 μg/m3 (46) | 46.0 | |
| July 9, 2019, 2 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 16.6 μg/m3 (60) | 60.0 | |
| July 9, 2019, 1 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 15.3 μg/m3 (57) | 57.0 | |
| July 9, 2019, noon | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | 15.8 μg/m3 (58) | 58.0 | |
| July 9, 2019, 11 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.81 ppb (9) | N/A | 15.1 μg/m3 (57) | 57.0 | |
| July 9, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.94 ppb (10) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| July 9, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.1 μg/m3 (30) | 30.0 | |
| July 9, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
| July 9, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.8 μg/m3 (45) | 45.0 | |
| July 9, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.2 μg/m3 (34) | 34.0 | |
| July 9, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.8 μg/m3 (45) | 45.0 | |
| July 9, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.2 μg/m3 (34) | 34.0 | |
| July 9, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.8 μg/m3 (45) | 45.0 | |
| July 9, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.9 μg/m3 (50) | 50.0 | |
| July 9, 2019, 1 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 9, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.2 μg/m3 (38) | 38.0 | |
| July 8, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| July 8, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.1 μg/m3 (30) | 30.0 | |
| July 8, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
| July 8, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.1 μg/m3 (38) | 38.0 | |
| July 8, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| July 8, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
| July 8, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.1 μg/m3 (38) | 38.0 |