Las Vegas (Summerlin N) NV, US: 36.173415, -115.332728
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 23.4 μg/m3 (22) | 5.7 μg/m3 (24) | 24.0 | |
| Jan. 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 19.3 μg/m3 (18) | 4.7 μg/m3 (20) | 20.0 | |
| Jan. 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 14.3 μg/m3 (14) | 3.6 μg/m3 (16) | 34.0 | |
| Jan. 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 12.2 μg/m3 (12) | 2.4 μg/m3 (10) | 39.0 | |
| Jan. 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 10.5 μg/m3 (10) | 2.0 μg/m3 (9) | 38.0 | |
| Jan. 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 10.8 μg/m3 (10) | 1.9 μg/m3 (8) | 38.0 | |
| Jan. 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 8.5 μg/m3 (8) | 1.6 μg/m3 (7) | 36.0 | |
| Jan. 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 7.2 μg/m3 (7) | 1.7 μg/m3 (8) | 35.0 | |
| Jan. 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 8.4 μg/m3 (8) | 1.8 μg/m3 (8) | 35.0 | |
| Jan. 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 8.6 μg/m3 (8) | 1.6 μg/m3 (7) | 34.0 | |
| Jan. 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 8.4 μg/m3 (8) | 2.0 μg/m3 (9) | 29.0 | |
| Jan. 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 9.1 μg/m3 (9) | 2.3 μg/m3 (10) | 22.0 | |
| Jan. 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 7.1 μg/m3 (7) | 1.8 μg/m3 (8) | 23.0 | |
| Jan. 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 7.9 μg/m3 (8) | 1.6 μg/m3 (7) | 27.0 | |
| Jan. 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 6.9 μg/m3 (7) | 1.7 μg/m3 (8) | 25.0 | |
| Jan. 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 8.3 μg/m3 (8) | 1.9 μg/m3 (8) | 24.0 | |
| Jan. 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 7.5 μg/m3 (7) | 1.8 μg/m3 (8) | 27.0 | |
| Jan. 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 8.3 μg/m3 (8) | 1.8 μg/m3 (8) | 22.0 | |
| Jan. 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 8.0 μg/m3 (8) | 1.8 μg/m3 (8) | 25.0 | |
| Jan. 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 9.4 μg/m3 (9) | 2.8 μg/m3 (12) | 23.0 | |
| Jan. 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 14.4 μg/m3 (14) | 3.5 μg/m3 (15) | 22.0 | |
| Jan. 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 13.2 μg/m3 (13) | 4.2 μg/m3 (18) | 23.0 | |
| Jan. 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 18.0 μg/m3 (17) | 3.9 μg/m3 (17) | 25.0 | |
| Jan. 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 19.2 μg/m3 (18) | 4.6 μg/m3 (20) | 23.0 | |
| Jan. 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 24.6 μg/m3 (23) | 6.1 μg/m3 (26) | 26.0 | |
| Jan. 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 18.3 μg/m3 (17) | 3.0 μg/m3 (13) | 29.0 | |
| Jan. 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 8.6 μg/m3 (8) | 1.5 μg/m3 (7) | 36.0 | |
| Jan. 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 8.4 μg/m3 (8) | 1.2 μg/m3 (5) | 38.0 | |
| Jan. 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 11.3 μg/m3 (11) | 1.5 μg/m3 (7) | 38.0 | |
| Jan. 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 8.0 μg/m3 (8) | 1.3 μg/m3 (6) | 38.0 | |
| Jan. 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 12.2 μg/m3 (12) | 1.5 μg/m3 (7) | 38.0 | |
| Jan. 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 13.6 μg/m3 (13) | 1.7 μg/m3 (8) | 38.0 | |
| Jan. 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 14.2 μg/m3 (14) | 2.6 μg/m3 (11) | 30.0 | |
| Jan. 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 12.4 μg/m3 (12) | 2.3 μg/m3 (10) | 28.0 | |
| Jan. 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 15.5 μg/m3 (15) | 2.7 μg/m3 (12) | 25.0 | |
| Jan. 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 12.6 μg/m3 (12) | 2.4 μg/m3 (10) | 23.0 | |
| Jan. 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 12.0 μg/m3 (12) | 1.7 μg/m3 (8) | 25.0 | |
| Jan. 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 12.9 μg/m3 (12) | 2.0 μg/m3 (9) | 28.0 | |
| Jan. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 11.6 μg/m3 (11) | 2.4 μg/m3 (10) | 23.0 | |
| Jan. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 13.3 μg/m3 (13) | 2.5 μg/m3 (11) | 25.0 | |
| Jan. 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 14.3 μg/m3 (14) | 2.8 μg/m3 (12) | 21.0 | |
| Jan. 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 14.7 μg/m3 (14) | 2.3 μg/m3 (10) | 24.0 | |
| Jan. 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 11.7 μg/m3 (11) | 2.4 μg/m3 (10) | 21.0 | |
| Jan. 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 17.1 μg/m3 (16) | 3.0 μg/m3 (13) | 19.0 | |
| Jan. 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 16.4 μg/m3 (16) | 3.1 μg/m3 (13) | 22.0 | |
| Jan. 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 21.0 μg/m3 (20) | 3.6 μg/m3 (16) | 20.0 | |
| Jan. 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 22.4 μg/m3 (21) | 5.6 μg/m3 (24) | 24.0 | |
| Jan. 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 33.7 μg/m3 (32) | 8.0 μg/m3 (34) | 34.0 | |
| Jan. 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 36.4 μg/m3 (34) | 7.6 μg/m3 (32) | 34.0 | |
| Jan. 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 41.5 μg/m3 (39) | 6.8 μg/m3 (29) | 39.0 | |
| Jan. 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 26.1 μg/m3 (25) | 4.3 μg/m3 (18) | 25.0 | |
| Jan. 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 25.9 μg/m3 (24) | 3.9 μg/m3 (17) | 31.0 | |
| Jan. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 20.2 μg/m3 (19) | 3.6 μg/m3 (16) | 33.0 | |
| Jan. 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 16.7 μg/m3 (16) | 3.3 μg/m3 (14) | 34.0 | |
| Jan. 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 19.8 μg/m3 (19) | 3.2 μg/m3 (14) | 33.0 | |
| Jan. 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 19.1 μg/m3 (18) | 3.2 μg/m3 (14) | 31.0 | |
| Jan. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 17.5 μg/m3 (17) | 3.5 μg/m3 (15) | 29.0 | |
| Jan. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 14.6 μg/m3 (14) | 3.1 μg/m3 (13) | 30.0 | |
| Jan. 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 25.5 μg/m3 (24) | 3.5 μg/m3 (15) | 25.0 | |
| Jan. 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 20.9 μg/m3 (20) | 3.2 μg/m3 (14) | 24.0 | |
| Jan. 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 15.3 μg/m3 (15) | 3.0 μg/m3 (13) | 25.0 | |
| Jan. 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 12.9 μg/m3 (12) | 2.5 μg/m3 (11) | 21.0 | |
| Jan. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 12.5 μg/m3 (12) | 2.3 μg/m3 (10) | 23.0 | |
| Jan. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 12.4 μg/m3 (12) | 2.2 μg/m3 (10) | 28.0 | |
| Jan. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 15.5 μg/m3 (15) | 2.6 μg/m3 (11) | 22.0 | |
| Jan. 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 18.5 μg/m3 (18) | 3.0 μg/m3 (13) | 24.0 | |
| Jan. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 16.5 μg/m3 (16) | 3.0 μg/m3 (13) | 25.0 | |
| Jan. 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 14.9 μg/m3 (14) | 2.8 μg/m3 (12) | 25.0 | |
| Jan. 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 23.0 | |
| Jan. 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 21.4 μg/m3 (20) | 3.7 μg/m3 (16) | 20.0 | |
| Jan. 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 18.2 μg/m3 (17) | 3.7 μg/m3 (16) | 20.0 | |
| Jan. 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 19.6 μg/m3 (19) | 4.4 μg/m3 (19) | 19.0 | |
| Jan. 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 28.1 μg/m3 (27) | 4.9 μg/m3 (21) | 27.0 | |
| Jan. 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 23.4 μg/m3 (22) | 3.9 μg/m3 (17) | 22.0 | |
| Jan. 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 23.0 μg/m3 (22) | 3.6 μg/m3 (16) | 27.0 | |
| Jan. 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 33.4 μg/m3 (31) | 4.8 μg/m3 (20) | 31.0 | |
| Jan. 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 22.8 μg/m3 (22) | 4.2 μg/m3 (18) | 32.0 | |
| Jan. 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 26.9 μg/m3 (25) | 4.8 μg/m3 (20) | 31.0 | |
| Jan. 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 21.9 μg/m3 (21) | 4.0 μg/m3 (17) | 30.0 | |
| Jan. 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 14.3 μg/m3 (14) | 2.9 μg/m3 (13) | 30.0 | |
| Jan. 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 11.6 μg/m3 (11) | 2.4 μg/m3 (10) | 29.0 | |
| Jan. 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 16.9 μg/m3 (16) | 3.2 μg/m3 (14) | 26.0 | |
| Jan. 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 26.9 μg/m3 (25) | 4.3 μg/m3 (18) | 25.0 | |
| Jan. 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 22.9 μg/m3 (22) | 4.2 μg/m3 (18) | 22.0 | |
| Jan. 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 14.0 μg/m3 (13) | 3.8 μg/m3 (16) | 16.0 | |
| Jan. 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 13.5 μg/m3 (13) | 3.3 μg/m3 (14) | 19.0 | |
| Jan. 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 14.4 μg/m3 (14) | 3.4 μg/m3 (15) | 20.0 | |
| Jan. 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 15.3 μg/m3 (15) | 4.0 μg/m3 (17) | 20.0 | |
| Jan. 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 18.4 μg/m3 (18) | 5.1 μg/m3 (22) | 22.0 | |
| Jan. 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 19.8 μg/m3 (19) | 5.1 μg/m3 (22) | 22.0 | |
| Jan. 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 24.0 μg/m3 (23) | 4.8 μg/m3 (20) | 23.0 | |
| Jan. 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 17.1 μg/m3 (16) | 3.6 μg/m3 (16) | 18.0 | |
| Jan. 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 18.4 μg/m3 (18) | 3.9 μg/m3 (17) | 18.0 | |
| Jan. 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 17.4 μg/m3 (17) | 4.3 μg/m3 (18) | 18.0 | |
| Jan. 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 22.7 μg/m3 (22) | 5.0 μg/m3 (21) | 22.0 | |
| Jan. 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 39.6 μg/m3 (37) | 11.1 μg/m3 (47) | 47.0 | |
| Jan. 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 38.3 μg/m3 (36) | 9.9 μg/m3 (42) | 42.0 | |
| Jan. 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 44.7 μg/m3 (42) | 14.2 μg/m3 (56) | 56.0 | |
| Jan. 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 43.6 μg/m3 (41) | 11.6 μg/m3 (49) | 49.0 | |
| Jan. 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 27.6 μg/m3 (26) | 5.2 μg/m3 (22) | 26.0 | |
| Jan. 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 24.9 μg/m3 (24) | 5.6 μg/m3 (24) | 29.0 | |
| Jan. 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 25.4 μg/m3 (24) | 5.2 μg/m3 (22) | 30.0 | |
| Jan. 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 19.2 μg/m3 (18) | 4.4 μg/m3 (19) | 31.0 | |
| Jan. 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 16.0 μg/m3 (15) | 4.6 μg/m3 (20) | 30.0 | |
| Jan. 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 21.7 μg/m3 (21) | 5.3 μg/m3 (23) | 26.0 | |
| Jan. 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 18.0 μg/m3 (17) | 4.2 μg/m3 (18) | 26.0 | |
| Jan. 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 19.3 μg/m3 (18) | 4.5 μg/m3 (19) | 22.0 | |
| Jan. 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 40.4 μg/m3 (38) | 5.7 μg/m3 (24) | 38.0 | |
| Jan. 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 24.6 μg/m3 (23) | 4.9 μg/m3 (21) | 23.0 | |
| Jan. 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 9.5 μg/m3 (9) | 2.8 μg/m3 (12) | 22.0 | |
| Jan. 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 9.6 μg/m3 (9) | 2.5 μg/m3 (11) | 22.0 | |
| Jan. 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 13.9 μg/m3 (13) | 3.3 μg/m3 (14) | 20.0 | |
| Jan. 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 8.9 μg/m3 (9) | 2.7 μg/m3 (12) | 21.0 | |
| Jan. 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 10.8 μg/m3 (10) | 3.3 μg/m3 (14) | 20.0 | |
| Jan. 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 11.0 μg/m3 (11) | 3.5 μg/m3 (15) | 20.0 | |
| Jan. 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 15.1 μg/m3 (14) | 4.4 μg/m3 (19) | 19.0 | |
| Jan. 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 14.5 μg/m3 (14) | 4.8 μg/m3 (20) | 20.0 | |
| Jan. 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 17.6 μg/m3 (17) | 5.9 μg/m3 (25) | 25.0 | |
| Jan. 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 22.8 μg/m3 (22) | 7.5 μg/m3 (32) | 32.0 | |
| Jan. 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 25.3 μg/m3 (24) | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 33.2 μg/m3 (31) | 10.8 μg/m3 (46) | 46.0 | |
| Jan. 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 29.1 μg/m3 (27) | 9.7 μg/m3 (41) | 41.0 | |
| Jan. 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 27.4 μg/m3 (26) | 8.6 μg/m3 (36) | 36.0 | |
| Jan. 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 25.6 μg/m3 (24) | 8.1 μg/m3 (34) | 34.0 | |
| Jan. 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 23.3 μg/m3 (22) | 7.4 μg/m3 (31) | 31.0 | |
| Jan. 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 22.0 μg/m3 (21) | 6.5 μg/m3 (28) | 30.0 | |
| Jan. 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 18.1 μg/m3 (17) | 5.1 μg/m3 (22) | 32.0 | |
| Jan. 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 20.3 μg/m3 (19) | 5.2 μg/m3 (22) | 31.0 | |
| Jan. 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 16.6 μg/m3 (16) | 4.2 μg/m3 (18) | 32.0 | |
| Jan. 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 28.1 μg/m3 (27) | 5.6 μg/m3 (24) | 27.0 | |
| Jan. 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 33.1 μg/m3 (31) | 5.9 μg/m3 (25) | 31.0 | |
| Jan. 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 31.9 μg/m3 (30) | 5.8 μg/m3 (25) | 30.0 | |
| Jan. 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 10.8 μg/m3 (10) | 3.4 μg/m3 (15) | 19.0 | |
| Jan. 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 9.0 μg/m3 (9) | 3.2 μg/m3 (14) | 19.0 | |
| Jan. 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 10.7 μg/m3 (10) | 3.1 μg/m3 (13) | 22.0 | |
| Jan. 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 8.0 μg/m3 (8) | 2.8 μg/m3 (12) | 22.0 | |
| Jan. 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 7.4 μg/m3 (7) | 2.5 μg/m3 (11) | 27.0 | |
| Jan. 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 8.9 μg/m3 (9) | 2.4 μg/m3 (10) | 25.0 | |
| Jan. 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.2 μg/m3 (7) | 2.4 μg/m3 (10) | 10.0 | |
| Jan. 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 7.3 μg/m3 (7) | 2.5 μg/m3 (11) | 28.0 | |
| Jan. 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 7.9 μg/m3 (8) | 2.8 μg/m3 (12) | 25.0 | |
| Jan. 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 13.4 μg/m3 (13) | 3.0 μg/m3 (13) | 25.0 | |
| Jan. 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 16.3 μg/m3 (16) | 3.7 μg/m3 (16) | 21.0 | |
| Jan. 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 15.5 μg/m3 (15) | 4.2 μg/m3 (18) | 18.0 | |
| Jan. 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 25.8 μg/m3 (24) | 5.6 μg/m3 (24) | 24.0 | |
| Jan. 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 33.9 μg/m3 (32) | 5.2 μg/m3 (22) | 32.0 | |
| Jan. 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 17.1 μg/m3 (16) | 3.2 μg/m3 (14) | 30.0 | |
| Jan. 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 11.3 μg/m3 (11) | 2.5 μg/m3 (11) | 34.0 | |
| Jan. 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 9.9 μg/m3 (10) | 2.4 μg/m3 (10) | 36.0 | |
| Jan. 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 12.0 μg/m3 (12) | 2.3 μg/m3 (10) | 36.0 | |
| Jan. 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 12.3 μg/m3 (12) | 2.3 μg/m3 (10) | 35.0 | |
| Jan. 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 17.3 μg/m3 (17) | 2.6 μg/m3 (11) | 34.0 | |
| Jan. 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 13.3 μg/m3 (13) | 2.8 μg/m3 (12) | 31.0 | |
| Jan. 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 8.7 μg/m3 (9) | 1.9 μg/m3 (8) | 32.0 | |
| Jan. 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 19.4 μg/m3 (18) | 3.4 μg/m3 (15) | 25.0 | |
| Jan. 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 25.8 μg/m3 (24) | 5.6 μg/m3 (24) | 24.0 | |
| Jan. 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 9.8 μg/m3 (10) | 2.7 μg/m3 (12) | 21.0 | |
| Jan. 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 10.6 μg/m3 (10) | 2.8 μg/m3 (12) | 17.0 | |
| Jan. 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 6.1 μg/m3 (6) | 2.1 μg/m3 (9) | 21.0 | |
| Jan. 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 5.6 μg/m3 (6) | 1.7 μg/m3 (8) | 24.0 | |
| Jan. 11, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 5.7 μg/m3 (6) | 2.1 μg/m3 (9) | 19.0 | |
| Jan. 11, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 7.0 μg/m3 (7) | 2.3 μg/m3 (10) | 22.0 | |
| Jan. 11, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 7.3 μg/m3 (7) | 2.7 μg/m3 (12) | 23.0 | |
| Jan. 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 8.6 μg/m3 (8) | 3.3 μg/m3 (14) | 24.0 | |
| Jan. 11, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 8.3 μg/m3 (8) | 3.2 μg/m3 (14) | 25.0 | |
| Jan. 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 10.0 μg/m3 (10) | 4.0 μg/m3 (17) | 21.0 | |
| Jan. 11, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 10.4 μg/m3 (10) | 4.6 μg/m3 (20) | 20.0 | |
| Jan. 11, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 12.7 μg/m3 (12) | 5.7 μg/m3 (24) | 24.0 |