Grass Valley (Litton Dr) CA, US: 39.234402, -121.055603
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 11, 2020, 4 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 11, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 11, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 11, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 10, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 10, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 10, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 10, 2020, 7 p.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 10, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 2.0 μg/m3 (8) | 14.0 | |
| July 10, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 1.0 μg/m3 (4) | 12.0 | |
| July 10, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 10, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 10, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| July 10, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 6.0 μg/m3 (25) | 47.0 | |
| July 10, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 4.0 μg/m3 (17) | 47.0 | |
| July 10, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| July 10, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| July 10, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 4.0 μg/m3 (17) | 44.0 | |
| July 10, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 4.0 μg/m3 (17) | 44.0 | |
| July 10, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 10, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 7.0 μg/m3 (29) | 44.0 | |
| July 10, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 6.0 μg/m3 (25) | 43.0 | |
| July 10, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 3.0 μg/m3 (12) | 42.0 | |
| July 10, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 5.0 μg/m3 (21) | 45.0 | |
| July 10, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| July 10, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 1.0 μg/m3 (4) | 45.0 | |
| July 9, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 1.0 μg/m3 (4) | 45.0 | |
| July 9, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | N/A | 2.0 μg/m3 (8) | 46.0 | |
| July 9, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| July 9, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 6.0 μg/m3 (25) | 43.0 | |
| July 9, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 3.0 μg/m3 (12) | 42.0 | |
| July 9, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 3.0 μg/m3 (12) | 42.0 | |
| July 9, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 6.0 μg/m3 (25) | 42.0 | |
| July 9, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 4.0 μg/m3 (17) | 45.0 | |
| July 9, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 4.0 μg/m3 (17) | 41.0 | |
| July 9, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| July 9, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| July 9, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 5.0 μg/m3 (21) | 41.0 | |
| July 9, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 3.0 μg/m3 (12) | 40.0 | |
| July 9, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 5.0 μg/m3 (21) | 40.0 | |
| July 9, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 4.0 μg/m3 (17) | 38.0 | |
| July 9, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 3.0 μg/m3 (12) | 39.0 | |
| July 9, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | N/A | 41.0 | |
| July 9, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 4.0 μg/m3 (17) | 42.0 | |
| July 9, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 2.0 μg/m3 (8) | 38.0 | |
| July 9, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 2.0 μg/m3 (8) | 38.0 | |
| July 9, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 2.0 μg/m3 (8) | 38.0 | |
| July 9, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 3.0 μg/m3 (12) | 41.0 | |
| July 9, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 3.0 μg/m3 (12) | 41.0 | |
| July 9, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 3.0 μg/m3 (12) | 40.0 | |
| July 8, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 5.0 μg/m3 (21) | 42.0 | |
| July 8, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 5.0 μg/m3 (21) | 43.0 | |
| July 8, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 4.0 μg/m3 (17) | 42.0 | |
| July 8, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 4.0 μg/m3 (17) | 39.0 | |
| July 8, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 4.0 μg/m3 (17) | 39.0 | |
| July 8, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 1.0 μg/m3 (4) | 39.0 | |
| July 8, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 4.0 μg/m3 (17) | 38.0 | |
| July 8, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 8.0 μg/m3 (33) | 38.0 | |
| July 8, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 7.0 μg/m3 (29) | 32.0 | |
| July 8, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 6.0 μg/m3 (25) | 38.0 | |
| July 8, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 5.0 μg/m3 (21) | 41.0 | |
| July 8, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 4.0 μg/m3 (17) | 41.0 | |
| July 8, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 6.0 μg/m3 (25) | 40.0 | |
| July 8, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 8, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| July 8, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 7.0 μg/m3 (29) | 45.0 | |
| July 8, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| July 8, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 5.0 μg/m3 (21) | 48.0 | |
| July 8, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 5.0 μg/m3 (21) | 47.0 | |
| July 8, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| July 8, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 5.0 μg/m3 (21) | 48.0 | |
| July 8, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 4.0 μg/m3 (17) | 48.0 | |
| July 8, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 4.0 μg/m3 (17) | 45.0 | |
| July 8, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 3.0 μg/m3 (12) | 42.0 | |
| July 7, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 4.0 μg/m3 (17) | 39.0 | |
| July 7, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 5.0 μg/m3 (21) | 38.0 | |
| July 7, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 4.0 μg/m3 (17) | 38.0 | |
| July 7, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 5.0 μg/m3 (21) | 39.0 | |
| July 7, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 3.0 μg/m3 (12) | 38.0 | |
| July 7, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 3.0 μg/m3 (12) | 37.0 | |
| July 7, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 1.0 μg/m3 (4) | 38.0 | |
| July 7, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 1.0 μg/m3 (4) | 38.0 | |
| July 7, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 3.0 μg/m3 (12) | 39.0 | |
| July 7, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 5.0 μg/m3 (21) | 41.0 | |
| July 7, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| July 7, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| July 7, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 6.0 μg/m3 (25) | 43.0 | |
| July 7, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| July 7, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 6.0 μg/m3 (25) | 43.0 | |
| July 7, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 7.0 μg/m3 (29) | 43.0 | |
| July 7, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 22.0 μg/m3 (71) | 71.0 | |
| July 7, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 30.0 μg/m3 (88) | 88.0 | |
| July 7, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 7, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 4.0 μg/m3 (17) | 45.0 | |
| July 7, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 2.0 μg/m3 (8) | 45.0 | |
| July 7, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 3.0 μg/m3 (12) | 45.0 | |
| July 7, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 5.0 μg/m3 (21) | 48.0 | |
| July 6, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 4.0 μg/m3 (17) | 49.0 | |
| July 6, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 4.0 μg/m3 (17) | 44.0 | |
| July 6, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 2.0 μg/m3 (8) | 39.0 | |
| July 6, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 5.0 μg/m3 (21) | 40.0 | |
| July 6, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 6.0 μg/m3 (25) | 38.0 | |
| July 6, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 5.0 μg/m3 (21) | 35.0 | |
| July 6, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 6.0 μg/m3 (25) | 36.0 | |
| July 6, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 6.0 μg/m3 (25) | 35.0 | |
| July 6, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 6.0 μg/m3 (25) | 32.0 | |
| July 6, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 6.0 μg/m3 (25) | 39.0 | |
| July 6, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 4.0 μg/m3 (17) | 38.0 | |
| July 6, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 5.0 μg/m3 (21) | 38.0 | |
| July 6, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 6.0 μg/m3 (25) | 39.0 | |
| July 6, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 4.0 μg/m3 (17) | 38.0 | |
| July 6, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 5.0 μg/m3 (21) | 38.0 | |
| July 6, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 5.0 μg/m3 (21) | 37.0 | |
| July 6, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | N/A | N/A | 35.0 | |
| July 6, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 1.0 μg/m3 (4) | 35.0 | |
| July 6, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 3.0 μg/m3 (12) | 33.0 | |
| July 6, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 3.0 μg/m3 (12) | 33.0 | |
| July 6, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | N/A | 0.0 μg/m3 (0) | 29.0 | |
| July 6, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 2.0 μg/m3 (8) | 32.0 | |
| July 6, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 2.0 μg/m3 (8) | 35.0 | |
| July 6, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 3.0 μg/m3 (12) | 38.0 | |
| July 5, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 3.0 μg/m3 (12) | 38.0 | |
| July 5, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 3.0 μg/m3 (12) | 37.0 | |
| July 5, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 1.0 μg/m3 (4) | 35.0 | |
| July 5, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 2.0 μg/m3 (8) | 32.0 | |
| July 5, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 5.0 μg/m3 (21) | 32.0 | |
| July 5, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | N/A | 3.0 μg/m3 (12) | 34.0 | |
| July 5, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 2.0 μg/m3 (8) | 36.0 | |
| July 5, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 3.0 μg/m3 (12) | 35.0 | |
| July 5, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 3.0 μg/m3 (12) | 35.0 | |
| July 5, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 4.0 μg/m3 (17) | 37.0 | |
| July 5, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 4.0 μg/m3 (17) | 39.0 | |
| July 5, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 6.0 μg/m3 (25) | 41.0 | |
| July 5, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 4.0 μg/m3 (17) | 42.0 | |
| July 5, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 3.0 μg/m3 (12) | 42.0 | |
| July 5, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 2.0 μg/m3 (8) | 42.0 | |
| July 5, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 3.0 μg/m3 (12) | 44.0 | |
| July 5, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | N/A | N/A | 45.0 | |
| July 5, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 2.0 μg/m3 (8) | 44.0 | |
| July 5, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 6.0 μg/m3 (25) | 42.0 | |
| July 5, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 6.0 μg/m3 (25) | 41.0 | |
| July 5, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 6.0 μg/m3 (25) | 42.0 | |
| July 5, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 4.0 μg/m3 (17) | 45.0 | |
| July 5, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 2.0 μg/m3 (8) | 44.0 | |
| July 5, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 3.0 μg/m3 (12) | 44.0 | |
| July 4, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | N/A | 3.0 μg/m3 (12) | 46.0 | |
| July 4, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 2.0 μg/m3 (8) | 48.0 | |
| July 4, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 3.0 μg/m3 (12) | 48.0 | |
| July 4, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 3.0 μg/m3 (12) | 44.0 | |
| July 4, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | N/A | 2.0 μg/m3 (8) | 46.0 | |
| July 4, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 4.0 μg/m3 (17) | 48.0 | |
| July 4, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| July 4, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 5.0 μg/m3 (21) | 42.0 | |
| July 4, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 7.0 μg/m3 (29) | 38.0 | |
| July 4, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 5.0 μg/m3 (21) | 40.0 | |
| July 4, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 7.0 μg/m3 (29) | 41.0 | |
| July 4, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 8.0 μg/m3 (33) | 41.0 | |
| July 4, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 8.0 μg/m3 (33) | 44.0 | |
| July 4, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 2.0 μg/m3 (8) | 48.0 | |
| July 4, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 3.0 μg/m3 (12) | 49.0 | |
| July 4, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 4.0 μg/m3 (17) | 49.0 | |
| July 4, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (50) | N/A | N/A | 7.0 μg/m3 (29) | 50.0 | |
| July 4, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 4.0 μg/m3 (17) | 52.0 | |
| July 4, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 5.0 μg/m3 (21) | 49.0 | |
| July 4, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (50) | N/A | N/A | 5.0 μg/m3 (21) | 50.0 | |
| July 4, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 ppb (54) | N/A | N/A | 3.0 μg/m3 (12) | 54.0 |