Golden (9th St S) CC, CA: 51.2958, -116.9717
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 25, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 8.4 μg/m3 (36) | 44.0 | |
| Sept. 25, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 11.9 μg/m3 (50) | 50.0 | |
| Sept. 25, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 15.8 μg/m3 (59) | 59.0 | |
| Sept. 25, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (54) | 16.8 μg/m3 (61) | 61.0 | |
| Sept. 25, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 22.4 μg/m3 (73) | 73.0 | |
| Sept. 25, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 11.1 μg/m3 (47) | 47.0 | |
| Sept. 25, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 6.3 μg/m3 (27) | 27.0 | |
| Sept. 24, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 5.3 μg/m3 (23) | 23.0 | |
| Sept. 24, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 4.6 μg/m3 (20) | 20.0 | |
| Sept. 24, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 3.4 μg/m3 (15) | 15.0 | |
| Sept. 24, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 4.2 μg/m3 (18) | 18.0 | |
| Sept. 24, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 4.7 μg/m3 (20) | 20.0 | |
| Sept. 24, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 5.1 μg/m3 (22) | 22.0 | |
| Sept. 24, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 6.0 μg/m3 (25) | 26.0 | |
| Sept. 24, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 6.8 μg/m3 (29) | 29.0 | |
| Sept. 24, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (43) | 8.0 μg/m3 (34) | 43.0 | |
| Sept. 24, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 5.7 μg/m3 (24) | 24.0 | |
| Sept. 24, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 4.8 μg/m3 (20) | 22.0 | |
| Sept. 24, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 4.1 μg/m3 (18) | 21.0 | |
| Sept. 24, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 4.8 μg/m3 (20) | 20.0 | |
| Sept. 24, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 3.7 μg/m3 (16) | 28.0 | |
| Sept. 24, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 4.6 μg/m3 (20) | 20.0 | |
| Sept. 24, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 5.1 μg/m3 (22) | 22.0 | |
| Sept. 24, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 24, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 9.2 μg/m3 (39) | 39.0 | |
| Sept. 24, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 7.9 μg/m3 (33) | 33.0 | |
| Sept. 24, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 8.9 μg/m3 (38) | 38.0 | |
| Sept. 24, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 13.9 μg/m3 (55) | 55.0 | |
| Sept. 24, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 9.5 μg/m3 (40) | 40.0 | |
| Sept. 24, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 2.0 μg/m3 (9) | 10.0 | |
| Sept. 24, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 1.1 μg/m3 (5) | 8.0 | |
| Sept. 23, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 0.9 μg/m3 (4) | 7.0 | |
| Sept. 23, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 0.9 μg/m3 (4) | 5.0 | |
| Sept. 23, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 1.2 μg/m3 (5) | 9.0 | |
| Sept. 23, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 1.4 μg/m3 (6) | 15.0 | |
| Sept. 23, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 1.9 μg/m3 (8) | 12.0 | |
| Sept. 23, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 1.9 μg/m3 (8) | 13.0 | |
| Sept. 23, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 1.8 μg/m3 (8) | 9.0 | |
| Sept. 23, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 3.7 μg/m3 (16) | 17.0 | |
| Sept. 23, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 4.2 μg/m3 (18) | 18.0 | |
| Sept. 23, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 4.8 μg/m3 (20) | 20.0 | |
| Sept. 23, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.7 μg/m3 (16) | 16.0 | |
| Sept. 23, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 3.5 μg/m3 (15) | 15.0 | |
| Sept. 23, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 4.1 μg/m3 (18) | 18.0 | |
| Sept. 23, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 2.8 μg/m3 (12) | 12.0 | |
| Sept. 23, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 3.2 μg/m3 (14) | 14.0 | |
| Sept. 23, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 3.8 μg/m3 (16) | 16.0 | |
| Sept. 23, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 7.0 μg/m3 (30) | 30.0 | |
| Sept. 23, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 8.5 μg/m3 (36) | 36.0 | |
| Sept. 23, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 24.3 μg/m3 (77) | 77.0 | |
| Sept. 23, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 31.2 μg/m3 (92) | 92.0 | |
| Sept. 23, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 7.9 μg/m3 (33) | 33.0 | |
| Sept. 23, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 10.8 μg/m3 (46) | 46.0 | |
| Sept. 23, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 9.6 μg/m3 (40) | 40.0 | |
| Sept. 23, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 5.6 μg/m3 (24) | 24.0 | |
| Sept. 22, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 5.1 μg/m3 (22) | 22.0 | |
| Sept. 22, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 4.4 μg/m3 (19) | 19.0 | |
| Sept. 22, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 4.4 μg/m3 (19) | 19.0 | |
| Sept. 22, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 4.9 μg/m3 (21) | 21.0 | |
| Sept. 22, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 5.1 μg/m3 (22) | 22.0 | |
| Sept. 22, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 3.9 μg/m3 (17) | 21.0 | |
| Sept. 22, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 8.2 μg/m3 (35) | 35.0 | |
| Sept. 22, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 6.7 μg/m3 (28) | 28.0 | |
| Sept. 22, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 6.9 μg/m3 (29) | 29.0 | |
| Sept. 22, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 4.5 μg/m3 (19) | 19.0 | |
| Sept. 22, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 4.6 μg/m3 (20) | 20.0 | |
| Sept. 22, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 4.3 μg/m3 (18) | 18.0 | |
| Sept. 22, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 6.9 μg/m3 (29) | 29.0 | |
| Sept. 22, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 9.6 μg/m3 (40) | 40.0 | |
| Sept. 22, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 22, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 22, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 9.9 μg/m3 (42) | 42.0 | |
| Sept. 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 16.7 μg/m3 (61) | 61.0 | |
| Sept. 22, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 13.9 μg/m3 (55) | 55.0 | |
| Sept. 22, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 11.3 μg/m3 (48) | 48.0 | |
| Sept. 22, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 13.2 μg/m3 (54) | 54.0 | |
| Sept. 22, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 20.5 μg/m3 (69) | 69.0 | |
| Sept. 22, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 19.6 μg/m3 (67) | 67.0 | |
| Sept. 22, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 5.2 μg/m3 (22) | 22.0 | |
| Sept. 21, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 13.0 | |
| Sept. 21, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 2.9 μg/m3 (13) | 13.0 | |
| Sept. 21, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.3 μg/m3 (14) | 14.0 | |
| Sept. 21, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 2.6 μg/m3 (11) | 11.0 | |
| Sept. 21, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 2.3 μg/m3 (10) | 10.0 | |
| Sept. 21, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 2.3 μg/m3 (10) | 11.0 | |
| Sept. 21, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 2.3 μg/m3 (10) | 17.0 | |
| Sept. 21, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 3.4 μg/m3 (15) | 21.0 | |
| Sept. 21, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 7.0 μg/m3 (30) | 37.0 | |
| Sept. 21, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 4.7 μg/m3 (20) | 28.0 | |
| Sept. 21, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 4.0 μg/m3 (17) | 20.0 | |
| Sept. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 4.3 μg/m3 (18) | 25.0 | |
| Sept. 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.1 μg/m3 (13) | 13.0 | |
| Sept. 21, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.2 μg/m3 (14) | 14.0 | |
| Sept. 21, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 4.1 μg/m3 (18) | 23.0 | |
| Sept. 21, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 3.6 μg/m3 (16) | 16.0 | |
| Sept. 21, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 4.5 μg/m3 (19) | 19.0 | |
| Sept. 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 7.0 μg/m3 (30) | 30.0 | |
| Sept. 21, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 10.1 μg/m3 (43) | 43.0 | |
| Sept. 21, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 21, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 10.6 μg/m3 (45) | 45.0 | |
| Sept. 21, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 23.2 μg/m3 (75) | 75.0 | |
| Sept. 21, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 9.3 μg/m3 (39) | 39.0 | |
| Sept. 21, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 5.3 μg/m3 (23) | 23.0 | |
| Sept. 20, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 1.4 μg/m3 (6) | 6.0 | |
| Sept. 20, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 0.8 μg/m3 (4) | 5.0 | |
| Sept. 20, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 2.9 μg/m3 (13) | 13.0 | |
| Sept. 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 4.8 μg/m3 (20) | 20.0 | |
| Sept. 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 6.7 μg/m3 (28) | 28.0 | |
| Sept. 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 5.6 μg/m3 (24) | 24.0 | |
| Sept. 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 3.4 μg/m3 (15) | 15.0 | |
| Sept. 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 3.6 μg/m3 (16) | 16.0 | |
| Sept. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 3.1 μg/m3 (13) | 19.0 | |
| Sept. 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 2.6 μg/m3 (11) | 13.0 | |
| Sept. 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.7 μg/m3 (16) | 16.0 | |
| Sept. 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 4.2 μg/m3 (18) | 20.0 | |
| Sept. 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 3.6 μg/m3 (16) | 16.0 | |
| Sept. 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.2 μg/m3 (14) | 14.0 | |
| Sept. 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 3.5 μg/m3 (15) | 15.0 | |
| Sept. 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 5.4 μg/m3 (23) | 23.0 | |
| Sept. 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 2.1 μg/m3 (9) | 10.0 | |
| Sept. 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 8.4 μg/m3 (36) | 36.0 | |
| Sept. 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 18.3 μg/m3 (65) | 65.0 | |
| Sept. 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 4.9 μg/m3 (21) | 21.0 | |
| Sept. 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 9.0 | |
| Sept. 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 1.7 μg/m3 (8) | 8.0 | |
| Sept. 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 4.8 μg/m3 (20) | 20.0 | |
| Sept. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 1.9 μg/m3 (8) | 9.0 | |
| Sept. 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 2.9 μg/m3 (13) | 13.0 | |
| Sept. 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 3.2 μg/m3 (14) | 14.0 | |
| Sept. 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 2.5 μg/m3 (11) | 11.0 | |
| Sept. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 2.2 μg/m3 (10) | 13.0 | |
| Sept. 19, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 1.7 μg/m3 (8) | 8.0 | |
| Sept. 19, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 1.8 μg/m3 (8) | 13.0 | |
| Sept. 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 4.6 μg/m3 (20) | 20.0 | |
| Sept. 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 5.3 μg/m3 (23) | 23.0 | |
| Sept. 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 9.4 μg/m3 (40) | 40.0 | |
| Sept. 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 7.6 μg/m3 (32) | 32.0 | |
| Sept. 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 10.7 μg/m3 (45) | 45.0 | |
| Sept. 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | 7.5 μg/m3 (32) | 32.0 | |
| Sept. 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 1.6 μg/m3 (7) | 8.0 | |
| Sept. 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 2.1 μg/m3 (9) | 9.0 | |
| Sept. 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 1.6 μg/m3 (7) | 7.0 | |
| Sept. 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 1.5 μg/m3 (7) | 7.0 | |
| Sept. 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 2.4 μg/m3 (10) | 10.0 | |
| Sept. 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 5.4 μg/m3 (23) | 23.0 | |
| Sept. 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 4.7 μg/m3 (20) | 20.0 | |
| Sept. 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 3.7 μg/m3 (16) | 16.0 | |
| Sept. 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 2.3 μg/m3 (10) | 10.0 | |
| Sept. 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 1.8 μg/m3 (8) | 8.0 | |
| Sept. 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | 2.0 μg/m3 (9) | 9.0 | |
| Sept. 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 2.8 μg/m3 (12) | 12.0 | |
| Sept. 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 3.6 μg/m3 (16) | 16.0 | |
| Sept. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 5.6 μg/m3 (24) | 24.0 | |
| Sept. 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (6) | 6.9 μg/m3 (29) | 29.0 | |
| Sept. 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 7.7 μg/m3 (33) | 33.0 | |
| Sept. 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 9.1 μg/m3 (38) | 38.0 | |
| Sept. 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 7.6 μg/m3 (32) | 32.0 | |
| Sept. 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 7.8 μg/m3 (33) | 33.0 |