Tacoma (S End) WA, US: 47.22634, -122.46256
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 14, 2020, 11 a.m. | 23.7 ppb (22) | 5.1 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 14, 2020, 10 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 14, 2020, 9 a.m. | 10.0 ppb (9) | 0.3 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 14, 2020, 8 a.m. | 11.6 ppb (11) | 1.5 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 14, 2020, 7 a.m. | 10.5 ppb (10) | 2.2 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 14, 2020, 6 a.m. | 11.6 ppb (11) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 14, 2020, 5 a.m. | 10.3 ppb (10) | 2.4 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 14, 2020, 4 a.m. | 13.2 ppb (12) | 3.3 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 12.0 | |
| July 14, 2020, 3 a.m. | 21.4 ppb (20) | 9.7 ppb (9) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 20.0 | |
| July 14, 2020, 2 a.m. | 21.1 ppb (20) | 10.8 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 20.0 | |
| July 14, 2020, 1 a.m. | 17.7 ppb (16) | 9.3 ppb (9) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 16.0 | |
| July 14, 2020, midnight | 16.2 ppb (15) | 8.6 ppb (8) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | -2.0 μg/m3 (0) | 15.0 | |
| July 13, 2020, 11 p.m. | 14.2 ppb (13) | 7.6 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 13.0 | |
| July 13, 2020, 10 p.m. | 10.3 ppb (10) | 5.0 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 10.0 | |
| July 13, 2020, 9 p.m. | 20.3 ppb (19) | 11.3 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 19.0 | |
| July 13, 2020, 8 p.m. | 21.7 ppb (20) | 12.3 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| July 13, 2020, 7 p.m. | 24.7 ppb (23) | 14.8 ppb (14) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 13, 2020, 6 p.m. | 26.4 ppb (24) | 16.4 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 24.0 | |
| July 13, 2020, 5 p.m. | 24.7 ppb (23) | 15.8 ppb (15) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 13, 2020, 4 p.m. | 27.8 ppb (26) | 17.5 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 26.0 | |
| July 13, 2020, 3 p.m. | 20.2 ppb (19) | 10.3 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 19.0 | |
| July 13, 2020, 2 p.m. | 28.3 ppb (26) | 14.7 ppb (14) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 26.0 | |
| July 13, 2020, 1 p.m. | 35.2 ppb (33) | 16.8 ppb (16) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 33.0 | |
| July 13, 2020, noon | 30.8 ppb (29) | 12.3 ppb (11) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 29.0 | |
| July 13, 2020, 11 a.m. | 25.5 ppb (24) | 8.8 ppb (8) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 24.0 | |
| July 13, 2020, 10 a.m. | 10.1 ppb (9) | 1.9 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 13, 2020, 9 a.m. | 7.0 ppb (6) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 13, 2020, 8 a.m. | 6.7 ppb (6) | 1.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 13, 2020, 7 a.m. | 9.1 ppb (8) | 2.1 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 13, 2020, 6 a.m. | 8.2 ppb (8) | 1.4 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 13, 2020, 5 a.m. | 11.0 ppb (10) | 3.3 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 13, 2020, 4 a.m. | 13.3 ppb (12) | 4.1 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 13, 2020, 3 a.m. | 16.0 ppb (15) | 5.9 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 13, 2020, 2 a.m. | 17.3 ppb (16) | 5.8 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 13, 2020, 1 a.m. | 18.8 ppb (17) | 8.9 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 13, 2020, midnight | 14.2 ppb (13) | 7.0 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 13.0 | |
| July 12, 2020, 11 p.m. | 15.5 ppb (14) | 7.9 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 14.0 | |
| July 12, 2020, 10 p.m. | 16.2 ppb (15) | 8.6 ppb (8) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 15.0 | |
| July 12, 2020, 9 p.m. | 20.2 ppb (19) | 12.7 ppb (12) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 19.0 | |
| July 12, 2020, 8 p.m. | 14.6 ppb (14) | 8.2 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 14.0 | |
| July 12, 2020, 7 p.m. | 16.0 ppb (15) | 9.2 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 15.0 | |
| July 12, 2020, 6 p.m. | 16.0 ppb (15) | 10.1 ppb (9) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 12, 2020, 5 p.m. | 17.0 ppb (16) | 10.2 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 16.0 | |
| July 12, 2020, 4 p.m. | 14.7 ppb (14) | 9.1 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 14.0 | |
| July 12, 2020, 3 p.m. | 11.7 ppb (11) | 6.5 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 11.0 | |
| July 12, 2020, 2 p.m. | 10.1 ppb (9) | 6.4 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 12, 2020, 1 p.m. | 7.1 ppb (7) | 3.8 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 7.0 | |
| July 12, 2020, noon | 4.1 ppb (4) | 1.9 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | -2.0 μg/m3 (0) | 4.0 | |
| July 12, 2020, 11 a.m. | 5.3 ppb (5) | 2.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 5.0 | |
| July 12, 2020, 10 a.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 12, 2020, 9 a.m. | 3.4 ppb (3) | 1.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 12, 2020, 8 a.m. | 5.5 ppb (5) | 2.4 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 5.0 | |
| July 12, 2020, 7 a.m. | 7.0 ppb (6) | 3.2 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 6.0 | |
| July 12, 2020, 6 a.m. | 6.9 ppb (6) | 3.8 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 12, 2020, 5 a.m. | 10.2 ppb (9) | 5.3 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 9.0 | |
| July 12, 2020, 4 a.m. | 14.1 ppb (13) | 7.5 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | -2.0 μg/m3 (0) | 13.0 | |
| July 12, 2020, 3 a.m. | 15.0 ppb (14) | 8.8 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | -3.0 μg/m3 (0) | 14.0 | |
| July 12, 2020, 2 a.m. | 15.6 ppb (14) | 9.0 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 14.0 | |
| July 12, 2020, 1 a.m. | 16.7 ppb (15) | 11.0 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 15.0 | |
| July 12, 2020, midnight | 17.6 ppb (16) | 11.0 ppb (10) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 16.0 | |
| July 11, 2020, 11 p.m. | 14.7 ppb (14) | 9.8 ppb (9) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 14.0 | |
| July 11, 2020, 10 p.m. | 14.8 ppb (14) | 9.6 ppb (9) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 11, 2020, 9 p.m. | 14.1 ppb (13) | 9.8 ppb (9) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 11, 2020, 8 p.m. | 15.3 ppb (14) | 10.3 ppb (10) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 11, 2020, 7 p.m. | 16.4 ppb (15) | 10.9 ppb (10) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2020, 6 p.m. | 16.0 ppb (15) | 10.9 ppb (10) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 15.0 | |
| July 11, 2020, 5 p.m. | 17.5 ppb (16) | 11.4 ppb (11) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 11, 2020, 4 p.m. | 22.5 ppb (21) | 14.4 ppb (13) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 21.0 | |
| July 11, 2020, 3 p.m. | 18.3 ppb (17) | 11.9 ppb (11) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2020, 2 p.m. | 22.8 ppb (21) | 13.6 ppb (13) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 11, 2020, 1 p.m. | 20.9 ppb (19) | 10.7 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2020, noon | 24.0 ppb (22) | 12.0 ppb (11) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 11, 2020, 11 a.m. | 27.6 ppb (26) | 13.1 ppb (12) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 11, 2020, 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 11, 2020, 9 a.m. | 13.5 ppb (12) | 1.3 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 11, 2020, 8 a.m. | 17.1 ppb (16) | 4.9 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 11, 2020, 7 a.m. | 11.8 ppb (11) | 0.6 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 11, 2020, 6 a.m. | 12.5 ppb (12) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 11, 2020, 5 a.m. | 27.2 ppb (25) | 10.7 ppb (10) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 11, 2020, 4 a.m. | 30.3 ppb (28) | 13.2 ppb (12) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 28.0 | |
| July 11, 2020, 3 a.m. | 27.2 ppb (25) | 14.0 ppb (13) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
| July 11, 2020, 2 a.m. | 31.7 ppb (29) | 18.6 ppb (17) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 29.0 | |
| July 11, 2020, 1 a.m. | 26.6 ppb (25) | 16.2 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 25.0 | |
| July 11, 2020, midnight | 27.3 ppb (25) | 17.2 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 25.0 | |
| July 10, 2020, 11 p.m. | 27.5 ppb (25) | 17.4 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 25.0 | |
| July 10, 2020, 10 p.m. | 25.9 ppb (24) | 16.3 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 24.0 | |
| July 10, 2020, 9 p.m. | 27.2 ppb (25) | 17.6 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
| July 10, 2020, 8 p.m. | 26.5 ppb (25) | 18.6 ppb (17) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 25.0 | |
| July 10, 2020, 7 p.m. | 26.8 ppb (25) | 18.2 ppb (17) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 25.0 | |
| July 10, 2020, 6 p.m. | 21.1 ppb (20) | 14.7 ppb (14) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 20.0 | |
| July 10, 2020, 5 p.m. | 27.3 ppb (25) | 18.6 ppb (17) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 25.0 | |
| July 10, 2020, 4 p.m. | 21.7 ppb (20) | 12.4 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| July 10, 2020, 3 p.m. | 27.0 ppb (25) | 16.1 ppb (15) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
| July 10, 2020, 2 p.m. | 35.2 ppb (33) | 21.4 ppb (20) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 33.0 | |
| July 10, 2020, 1 p.m. | 29.7 ppb (28) | 16.3 ppb (15) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 28.0 | |
| July 10, 2020, noon | 26.7 ppb (25) | 13.9 ppb (13) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 25.0 | |
| July 10, 2020, 11 a.m. | 8.9 ppb (8) | 1.3 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2020, 10 a.m. | 16.7 ppb (15) | 6.8 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 15.0 | |
| July 10, 2020, 9 a.m. | 12.5 ppb (12) | 6.3 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 10, 2020, 8 a.m. | 10.1 ppb (9) | 4.0 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 10, 2020, 7 a.m. | 11.3 ppb (10) | 5.5 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 10, 2020, 6 a.m. | 18.2 ppb (17) | 8.9 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2020, 5 a.m. | 17.4 ppb (16) | 6.8 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 10, 2020, 4 a.m. | 18.4 ppb (17) | 6.3 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 10, 2020, 3 a.m. | 19.1 ppb (18) | 12.0 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 18.0 | |
| July 10, 2020, 2 a.m. | 19.0 ppb (18) | 12.7 ppb (12) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 18.0 | |
| July 10, 2020, 1 a.m. | 21.4 ppb (20) | 15.1 ppb (14) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 20.0 | |
| July 10, 2020, midnight | 24.4 ppb (23) | 17.4 ppb (16) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 23.0 | |
| July 9, 2020, 11 p.m. | 31.6 ppb (29) | 23.4 ppb (22) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 29.0 | |
| July 9, 2020, 10 p.m. | 24.7 ppb (23) | 18.4 ppb (17) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 23.0 | |
| July 9, 2020, 9 p.m. | 30.2 ppb (28) | 22.1 ppb (20) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 28.0 | |
| July 9, 2020, 8 p.m. | 19.4 ppb (18) | 13.8 ppb (13) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 18.0 | |
| July 9, 2020, 7 p.m. | 17.4 ppb (16) | 11.3 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 16.0 | |
| July 9, 2020, 6 p.m. | 27.5 ppb (25) | 18.6 ppb (17) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 25.0 | |
| July 9, 2020, 5 p.m. | 30.7 ppb (28) | 21.5 ppb (20) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 28.0 | |
| July 9, 2020, 4 p.m. | 49.9 ppb (46) | 36.5 ppb (34) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 46.0 | |
| July 9, 2020, 3 p.m. | 38.2 ppb (35) | 26.1 ppb (24) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 35.0 | |
| July 9, 2020, 2 p.m. | 49.2 ppb (46) | 36.2 ppb (34) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 46.0 | |
| July 9, 2020, 1 p.m. | 41.7 ppb (39) | 28.8 ppb (27) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 39.0 | |
| July 9, 2020, noon | 37.5 ppb (35) | 25.3 ppb (23) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 35.0 | |
| July 9, 2020, 11 a.m. | 22.6 ppb (21) | 14.1 ppb (13) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 21.0 | |
| July 9, 2020, 10 a.m. | 13.4 ppb (12) | 7.7 ppb (7) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 12.0 | |
| July 9, 2020, 9 a.m. | 11.1 ppb (10) | 5.7 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 9, 2020, 8 a.m. | 11.4 ppb (11) | 5.2 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 9, 2020, 7 a.m. | 14.4 ppb (13) | 7.0 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 13.0 | |
| July 9, 2020, 6 a.m. | 19.5 ppb (18) | 11.3 ppb (10) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 9, 2020, 5 a.m. | 19.1 ppb (18) | 12.1 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 9, 2020, 4 a.m. | 17.2 ppb (16) | 9.9 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 9, 2020, 3 a.m. | 26.7 ppb (25) | 15.5 ppb (14) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
| July 9, 2020, 2 a.m. | 24.6 ppb (23) | 15.7 ppb (15) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| July 9, 2020, 1 a.m. | 27.7 ppb (26) | 18.6 ppb (17) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 26.0 | |
| July 9, 2020, midnight | 28.2 ppb (26) | 17.6 ppb (16) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 26.0 | |
| July 8, 2020, 11 p.m. | 28.6 ppb (26) | 18.1 ppb (17) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 26.0 | |
| July 8, 2020, 10 p.m. | 30.0 ppb (28) | 19.2 ppb (18) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 28.0 | |
| July 8, 2020, 9 p.m. | 22.3 ppb (21) | 14.0 ppb (13) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 21.0 | |
| July 8, 2020, 8 p.m. | 29.1 ppb (27) | 19.9 ppb (18) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 27.0 | |
| July 8, 2020, 7 p.m. | 37.5 ppb (35) | 25.4 ppb (24) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 35.0 | |
| July 8, 2020, 6 p.m. | 31.1 ppb (29) | 22.3 ppb (21) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 8, 2020, 4 p.m. | 24.3 ppb (23) | 15.9 ppb (15) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| July 8, 2020, 3 p.m. | 25.3 ppb (23) | 16.8 ppb (16) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| July 8, 2020, 2 p.m. | 38.7 ppb (36) | 27.2 ppb (25) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 36.0 | |
| July 8, 2020, 1 p.m. | 34.7 ppb (32) | 22.8 ppb (21) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 32.0 | |
| July 8, 2020, noon | 30.4 ppb (28) | 20.6 ppb (19) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 28.0 | |
| July 8, 2020, 11 a.m. | 20.4 ppb (19) | 13.6 ppb (13) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 19.0 | |
| July 8, 2020, 10 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 8, 2020, 9 a.m. | 11.1 ppb (10) | 5.6 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 10.0 | |
| July 8, 2020, 8 a.m. | 7.4 ppb (7) | 3.8 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 7.0 | |
| July 8, 2020, 7 a.m. | 6.7 ppb (6) | 3.7 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 6.0 | |
| July 8, 2020, 6 a.m. | 9.1 ppb (8) | 5.6 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 8.0 | |
| July 8, 2020, 5 a.m. | 15.0 ppb (14) | 9.0 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | -3.0 μg/m3 (0) | 14.0 | |
| July 8, 2020, 4 a.m. | 22.1 ppb (20) | 13.1 ppb (12) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | -4.0 μg/m3 (0) | 20.0 | |
| July 8, 2020, 3 a.m. | 25.7 ppb (24) | 15.4 ppb (14) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | -2.0 μg/m3 (0) | 24.0 | |
| July 8, 2020, 2 a.m. | 25.7 ppb (24) | 15.6 ppb (14) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 24.0 | |
| July 8, 2020, 1 a.m. | 24.2 ppb (22) | 16.1 ppb (15) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 22.0 | |
| July 8, 2020, midnight | 24.9 ppb (23) | 17.6 ppb (16) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 23.0 | |
| July 7, 2020, 11 p.m. | 27.6 ppb (26) | 17.8 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 26.0 | |
| July 7, 2020, 10 p.m. | 19.3 ppb (18) | 12.4 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 18.0 | |
| July 7, 2020, 9 p.m. | 23.9 ppb (22) | 15.4 ppb (14) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 22.0 | |
| July 7, 2020, 8 p.m. | 23.2 ppb (21) | 15.7 ppb (15) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 21.0 | |
| July 7, 2020, 7 p.m. | 24.5 ppb (23) | 17.0 ppb (16) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 23.0 | |
| July 7, 2020, 6 p.m. | 23.7 ppb (22) | 16.2 ppb (15) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 22.0 | |
| July 7, 2020, 5 p.m. | 27.5 ppb (25) | 20.5 ppb (19) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
| July 7, 2020, 4 p.m. | 23.8 ppb (22) | 15.0 ppb (14) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 22.0 | |
| July 7, 2020, 3 p.m. | 27.5 ppb (25) | 16.8 ppb (16) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 25.0 | |
| July 7, 2020, 2 p.m. | 26.4 ppb (24) | 15.4 ppb (14) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (8) | 24.0 | |
| July 7, 2020, 1 p.m. | 24.1 ppb (22) | 14.2 ppb (13) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (4) | 22.0 | |
| July 7, 2020, noon | 23.9 ppb (22) | 12.6 ppb (12) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 22.0 | |
| July 7, 2020, 11 a.m. | 16.3 ppb (15) | 7.8 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 15.0 |