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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 18, 2021, 3 a.m. | 18.5 ppb (18) | 4.4 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 18, 2021, 2 a.m. | 19.6 ppb (19) | 6.0 ppb (6) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 19.0 | |
| June 18, 2021, 1 a.m. | 12.5 ppb (12) | 3.9 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (5) | 12.0 | |
| June 18, 2021, midnight | 16.7 ppb (16) | 7.4 ppb (7) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 16.0 | |
| June 17, 2021, 11 p.m. | 20.9 ppb (20) | 10.1 ppb (10) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| June 17, 2021, 10 p.m. | 16.2 ppb (16) | 6.9 ppb (7) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 16.0 | |
| June 17, 2021, 9 p.m. | 22.3 ppb (22) | 11.0 ppb (11) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 22.0 | |
| June 17, 2021, 8 p.m. | 16.2 ppb (16) | 8.3 ppb (8) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 16.0 | |
| June 17, 2021, 7 p.m. | 23.9 ppb (23) | 11.0 ppb (11) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| June 17, 2021, 6 p.m. | 19.6 ppb (19) | 9.6 ppb (10) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 5 p.m. | 23.0 ppb (22) | 12.5 ppb (12) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 22.0 | |
| June 17, 2021, 4 p.m. | 27.9 ppb (27) | 15.3 ppb (15) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 27.0 | |
| June 17, 2021, 3 p.m. | 29.5 ppb (28) | 16.6 ppb (16) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 28.0 | |
| June 17, 2021, 2 p.m. | 54.4 ppb (52) | 35.8 ppb (34) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 52.0 | |
| June 17, 2021, 1 p.m. | 72.1 ppb (71) | 48.5 ppb (46) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 71.0 | |
| June 17, 2021, noon | 46.8 ppb (45) | 23.7 ppb (23) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| June 17, 2021, 11 a.m. | 45.9 ppb (44) | 21.3 ppb (21) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 44.0 | |
| June 17, 2021, 10 a.m. | 17.3 ppb (17) | 1.4 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 17, 2021, 9 a.m. | 25.0 ppb (24) | 3.2 ppb (4) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 17, 2021, 8 a.m. | 20.8 ppb (20) | 1.7 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 17, 2021, 7 a.m. | 26.1 ppb (25) | 2.5 ppb (3) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 17, 2021, 6 a.m. | 15.4 ppb (15) | 0.9 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 15.0 | |
| June 17, 2021, 5 a.m. | 12.9 ppb (13) | 1.2 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 13.0 | |
| June 17, 2021, 4 a.m. | 15.2 ppb (15) | 2.8 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 15.0 | |
| June 17, 2021, 3 a.m. | 19.3 ppb (19) | 6.8 ppb (7) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 17, 2021, 2 a.m. | 22.7 ppb (22) | 10.6 ppb (10) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 22.0 | |
| June 17, 2021, 1 a.m. | 20.8 ppb (20) | 10.8 ppb (11) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 20.0 | |
| June 17, 2021, midnight | 19.2 ppb (19) | 9.9 ppb (10) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 19.0 | |
| June 16, 2021, 11 p.m. | 15.3 ppb (15) | 6.6 ppb (7) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 10 p.m. | 20.8 ppb (20) | 9.6 ppb (10) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, 9 p.m. | 21.1 ppb (20) | 10.7 ppb (11) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| June 16, 2021, 8 p.m. | 22.3 ppb (22) | 11.7 ppb (12) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| June 16, 2021, 7 p.m. | 18.2 ppb (18) | 9.8 ppb (10) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, 6 p.m. | 16.9 ppb (16) | 9.0 ppb (9) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 16, 2021, 5 p.m. | 22.1 ppb (21) | 12.3 ppb (12) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, 4 p.m. | 28.4 ppb (27) | 16.6 ppb (16) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 27.0 | |
| June 16, 2021, 3 p.m. | 33.7 ppb (32) | 20.0 ppb (19) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 32.0 | |
| June 16, 2021, 2 p.m. | 18.1 ppb (18) | 7.0 ppb (7) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 16, 2021, 1 p.m. | 27.4 ppb (26) | 14.6 ppb (14) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 26.0 | |
| June 16, 2021, noon | 41.9 ppb (40) | 23.9 ppb (23) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 40.0 | |
| June 16, 2021, 11 a.m. | 31.7 ppb (30) | 17.5 ppb (17) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 30.0 | |
| June 16, 2021, 10 a.m. | 9.8 ppb (10) | 2.4 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 16, 2021, 9 a.m. | 11.3 ppb (11) | 1.3 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 13.0 | |
| June 16, 2021, 8 a.m. | 13.2 ppb (13) | 3.5 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 16, 2021, 7 a.m. | 12.1 ppb (12) | 3.4 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 16, 2021, 6 a.m. | 13.5 ppb (13) | 4.8 ppb (5) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 13.0 | |
| June 16, 2021, 5 a.m. | 15.2 ppb (15) | 5.9 ppb (6) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 15.0 | |
| June 16, 2021, 4 a.m. | 17.3 ppb (17) | 7.3 ppb (7) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 17.0 | |
| June 16, 2021, 3 a.m. | 17.8 ppb (17) | 8.4 ppb (8) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 17.0 | |
| June 16, 2021, 2 a.m. | 15.4 ppb (15) | 8.4 ppb (8) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 15.0 | |
| June 16, 2021, 1 a.m. | 16.0 ppb (16) | 9.6 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 16.0 | |
| June 16, 2021, midnight | 16.4 ppb (16) | 10.4 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 11 p.m. | 25.0 ppb (24) | 14.0 ppb (14) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 15, 2021, 10 p.m. | 18.5 ppb (18) | 11.6 ppb (11) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 9 p.m. | 27.1 ppb (26) | 17.8 ppb (17) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 26.0 | |
| June 15, 2021, 8 p.m. | 23.7 ppb (23) | 14.5 ppb (14) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 23.0 | |
| June 15, 2021, 7 p.m. | 29.6 ppb (28) | 21.1 ppb (20) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | -2.0 μg/m3 (0) | 28.0 | |
| June 15, 2021, 6 p.m. | 20.5 ppb (20) | 12.6 ppb (12) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 20.0 | |
| June 15, 2021, 5 p.m. | 25.9 ppb (25) | 17.0 ppb (17) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 4 p.m. | 27.1 ppb (26) | 16.9 ppb (16) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 26.0 | |
| June 15, 2021, 3 p.m. | 37.3 ppb (36) | 24.7 ppb (24) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 36.0 | |
| June 15, 2021, 2 p.m. | 27.5 ppb (26) | 15.8 ppb (15) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 26.0 | |
| June 15, 2021, 1 p.m. | 10.2 ppb (10) | 3.7 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 15, 2021, noon | 29.2 ppb (28) | 14.8 ppb (14) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 28.0 | |
| June 15, 2021, 11 a.m. | 32.3 ppb (31) | 18.4 ppb (18) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
| June 15, 2021, 10 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 | |
| June 15, 2021, 9 a.m. | 9.9 ppb (10) | 3.7 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 10.0 | |
| June 15, 2021, 8 a.m. | 10.8 ppb (11) | 3.9 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 11.0 | |
| June 15, 2021, 7 a.m. | 15.0 ppb (15) | 5.1 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 15, 2021, 6 a.m. | 14.6 ppb (14) | 5.8 ppb (6) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 14.0 | |
| June 15, 2021, 5 a.m. | 17.4 ppb (17) | 8.5 ppb (9) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 15, 2021, 4 a.m. | 24.6 ppb (24) | 11.5 ppb (11) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 15, 2021, 3 a.m. | 28.1 ppb (27) | 14.0 ppb (14) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 15, 2021, 2 a.m. | 25.9 ppb (25) | 14.8 ppb (14) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
| June 15, 2021, 1 a.m. | 14.8 ppb (14) | 6.4 ppb (7) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 15, 2021, midnight | 5.6 ppb (6) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 13.0 | |
| June 14, 2021, 11 p.m. | 6.6 ppb (7) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 2021, 10 p.m. | 16.0 ppb (16) | 7.9 ppb (8) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 16.0 | |
| June 14, 2021, 9 p.m. | 25.1 ppb (24) | 15.6 ppb (15) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 14, 2021, 8 p.m. | 26.9 ppb (26) | 16.9 ppb (16) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 14, 2021, 7 p.m. | 30.3 ppb (29) | 18.4 ppb (18) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 14, 2021, 6 p.m. | 41.3 ppb (39) | 25.6 ppb (25) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 39.0 | |
| June 14, 2021, 5 p.m. | 41.3 ppb (39) | 25.8 ppb (25) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 39.0 | |
| June 14, 2021, 4 p.m. | 46.5 ppb (44) | 31.3 ppb (30) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| June 14, 2021, 3 p.m. | 42.5 ppb (41) | 27.2 ppb (26) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 41.0 | |
| June 14, 2021, 2 p.m. | 37.8 ppb (36) | 22.1 ppb (21) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 36.0 | |
| June 14, 2021, 1 p.m. | 26.6 ppb (26) | 12.1 ppb (12) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 26.0 | |
| June 14, 2021, noon | 24.5 ppb (24) | 13.6 ppb (13) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (5) | 24.0 | |
| June 14, 2021, 11 a.m. | 18.0 ppb (17) | 9.3 ppb (9) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 17.0 | |
| June 14, 2021, 10 a.m. | 10.9 ppb (11) | 5.0 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 2021, 9 a.m. | 8.8 ppb (9) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 14, 2021, 8 a.m. | 10.8 ppb (11) | 5.9 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 14, 2021, 7 a.m. | 21.9 ppb (21) | 8.6 ppb (9) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 21.0 | |
| June 14, 2021, 6 a.m. | 20.5 ppb (20) | 7.3 ppb (7) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| June 14, 2021, 5 a.m. | 30.9 ppb (30) | 15.6 ppb (15) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 30.0 | |
| June 14, 2021, 4 a.m. | 16.6 ppb (16) | 5.3 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 14, 2021, 3 a.m. | 11.6 ppb (11) | 3.1 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 14, 2021, 2 a.m. | 6.3 ppb (6) | 0.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 14, 2021, 1 a.m. | 9.8 ppb (10) | 1.4 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 14, 2021, midnight | 21.5 ppb (21) | 10.4 ppb (10) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 13, 2021, 11 p.m. | 24.4 ppb (24) | 10.6 ppb (10) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 13, 2021, 10 p.m. | 23.9 ppb (23) | 12.4 ppb (12) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 13, 2021, 9 p.m. | 22.0 ppb (21) | 12.3 ppb (12) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| June 13, 2021, 8 p.m. | 14.9 ppb (15) | 6.6 ppb (7) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 13, 2021, 7 p.m. | 10.7 ppb (11) | 4.3 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 13, 2021, 6 p.m. | 20.0 ppb (19) | 9.0 ppb (9) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 13, 2021, 5 p.m. | 19.9 ppb (19) | 7.3 ppb (7) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 13, 2021, 4 p.m. | 9.5 ppb (9) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 13, 2021, 3 p.m. | 11.1 ppb (11) | 4.1 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 13, 2021, 2 p.m. | 9.8 ppb (10) | 3.4 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 10.0 | |
| June 13, 2021, 1 p.m. | 8.1 ppb (8) | 3.8 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (5) | 8.0 | |
| June 13, 2021, noon | 6.5 ppb (7) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 13.0 | |
| June 13, 2021, 11 a.m. | 2.2 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 13, 2021, 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 (30) | 30.0 | |
| June 13, 2021, 9 a.m. | 3.7 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 13, 2021, 8 a.m. | 6.4 ppb (7) | 0.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 13, 2021, 7 a.m. | 5.5 ppb (6) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 13, 2021, 6 a.m. | 10.1 ppb (10) | 1.1 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| June 13, 2021, 5 a.m. | 20.8 ppb (20) | 5.1 ppb (5) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| June 13, 2021, 4 a.m. | 19.3 ppb (19) | 5.7 ppb (6) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| June 13, 2021, 3 a.m. | 24.1 ppb (23) | 10.3 ppb (10) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 13, 2021, 2 a.m. | 19.0 ppb (18) | 7.8 ppb (8) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 13, 2021, 1 a.m. | 20.7 ppb (20) | 8.1 ppb (8) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 13, 2021, midnight | 17.7 ppb (17) | 7.4 ppb (7) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 17.0 | |
| June 12, 2021, 11 p.m. | 13.8 ppb (14) | 5.2 ppb (5) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 12, 2021, 10 p.m. | 13.8 ppb (14) | 5.7 ppb (6) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 12, 2021, 9 p.m. | 10.6 ppb (10) | 4.8 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 12, 2021, 8 p.m. | 14.4 ppb (14) | 7.4 ppb (7) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 12, 2021, 7 p.m. | 17.6 ppb (17) | 9.8 ppb (10) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 12, 2021, 6 p.m. | 19.5 ppb (19) | 10.1 ppb (10) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 12, 2021, 5 p.m. | 16.9 ppb (16) | 8.0 ppb (8) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 12, 2021, 4 p.m. | 9.4 ppb (9) | 4.0 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 12, 2021, 3 p.m. | 5.1 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 12, 2021, 2 p.m. | 21.5 ppb (21) | 11.2 ppb (11) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| June 12, 2021, 1 p.m. | 31.5 ppb (30) | 19.3 ppb (19) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 12, 2021, noon | 28.1 ppb (27) | 14.9 ppb (15) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 27.0 | |
| June 12, 2021, 11 a.m. | 19.3 ppb (19) | 8.2 ppb (8) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 12, 2021, 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 (30) | 30.0 | |
| June 12, 2021, 9 a.m. | 7.0 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| June 12, 2021, 8 a.m. | 8.1 ppb (8) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 12, 2021, 7 a.m. | 18.7 ppb (18) | 6.9 ppb (7) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 12, 2021, 6 a.m. | 21.2 ppb (20) | 9.0 ppb (9) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 12, 2021, 5 a.m. | 30.1 ppb (29) | 12.8 ppb (13) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| June 12, 2021, 4 a.m. | 24.4 ppb (24) | 4.9 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| June 12, 2021, 3 a.m. | 31.7 ppb (30) | 9.3 ppb (9) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| June 12, 2021, 2 a.m. | 34.2 ppb (33) | 11.2 ppb (11) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 12, 2021, 1 a.m. | 34.1 ppb (33) | 12.7 ppb (12) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 12, 2021, midnight | 33.9 ppb (32) | 12.6 ppb (12) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 11, 2021, 11 p.m. | 28.4 ppb (27) | 8.1 ppb (8) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 11, 2021, 10 p.m. | 29.7 ppb (29) | 10.4 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| June 11, 2021, 9 p.m. | 21.5 ppb (21) | 6.0 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 21.0 | |
| June 11, 2021, 8 p.m. | 29.0 ppb (28) | 10.4 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 11, 2021, 7 p.m. | 28.2 ppb (27) | 10.5 ppb (10) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 27.0 | |
| June 11, 2021, 6 p.m. | 8.0 ppb (8) | 1.2 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 9.0 | |
| June 11, 2021, 5 p.m. | 5.7 ppb (6) | 0.9 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 | |
| June 11, 2021, 4 p.m. | 11.4 ppb (11) | 2.8 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 11, 2021, 3 p.m. | 19.9 ppb (19) | 8.2 ppb (8) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 11, 2021, 2 p.m. | 48.1 ppb (46) | 31.5 ppb (30) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 46.0 | |
| June 11, 2021, 1 p.m. | 49.8 ppb (47) | 33.4 ppb (32) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 47.0 | |
| June 11, 2021, noon | 25.5 ppb (25) | 9.6 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 25.0 | |
| June 11, 2021, 11 a.m. | 13.3 ppb (13) | 2.2 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (13) | 13.0 | |
| June 11, 2021, 10 a.m. | 11.6 ppb (11) | 4.8 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 11.0 | |
| June 11, 2021, 9 a.m. | 1.9 ppb (2) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 9.0 | |
| June 11, 2021, 8 a.m. | 4.7 ppb (5) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| June 11, 2021, 7 a.m. | 17.2 ppb (17) | 1.6 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| June 11, 2021, 6 a.m. | 15.4 ppb (15) | 0.9 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| June 11, 2021, 5 a.m. | 6.8 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (9) | 9.0 | |
| June 11, 2021, 4 a.m. | 22.7 ppb (22) | 9.1 ppb (9) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 22.0 |