Los Angeles (Sawtelle) CA, US: 34.051097, -118.456386
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 21, 2021, 4 p.m. | 21.1 ppb (20) | 8.6 ppb (9) | N/A | 13.0 ppb (13) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 20.0 | |
| Sept. 21, 2021, 3 p.m. | 55.6 ppb (53) | 30.5 ppb (29) | N/A | 25.0 ppb (24) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 53.0 | |
| Sept. 21, 2021, 2 p.m. | 54.1 ppb (52) | 29.2 ppb (28) | N/A | 25.0 ppb (24) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 52.0 | |
| Sept. 21, 2021, 1 p.m. | 43.1 ppb (41) | 19.1 ppb (19) | N/A | 24.0 ppb (23) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 41.0 | |
| Sept. 21, 2021, noon | 43.1 ppb (41) | 19.2 ppb (19) | N/A | 24.0 ppb (23) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 41.0 | |
| Sept. 21, 2021, 11 a.m. | 30.6 ppb (29) | 7.1 ppb (7) | N/A | 24.0 ppb (23) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 29.0 | |
| Sept. 21, 2021, 10 a.m. | 30.2 ppb (29) | 6.1 ppb (6) | N/A | 24.0 ppb (23) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 29.0 | |
| Sept. 21, 2021, 9 a.m. | 30.9 ppb (30) | 4.9 ppb (5) | N/A | 26.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 30.0 | |
| Sept. 21, 2021, 8 a.m. | 29.6 ppb (28) | 4.1 ppb (4) | N/A | 26.0 ppb (25) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 28.0 | |
| Sept. 21, 2021, 7 a.m. | 28.4 ppb (27) | 4.0 ppb (4) | N/A | 24.0 ppb (23) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 27.0 | |
| Sept. 21, 2021, 6 a.m. | 27.5 ppb (26) | 3.7 ppb (4) | N/A | 24.0 ppb (23) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 26.0 | |
| Sept. 21, 2021, 5 a.m. | 13.3 ppb (13) | 2.9 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 21.0 | |
| Sept. 21, 2021, 4 a.m. | 7.5 ppb (8) | 2.8 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 30.0 | |
| Sept. 21, 2021, 3 a.m. | 10.3 ppb (10) | 3.1 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 30.0 | |
| Sept. 21, 2021, 2 a.m. | 10.2 ppb (10) | 3.0 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 35.0 | |
| Sept. 21, 2021, 1 a.m. | 7.1 ppb (7) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 41.0 | |
| Sept. 21, 2021, midnight | 7.3 ppb (7) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | N/A | 48.0 | |
| Sept. 20, 2021, 11 p.m. | 8.6 ppb (9) | 3.3 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 54.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| Sept. 20, 2021, 10 p.m. | 9.4 ppb (9) | 3.4 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | N/A | 47.0 | |
| Sept. 20, 2021, 9 p.m. | 17.8 ppb (17) | 5.3 ppb (5) | N/A | 13.0 ppb (13) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 42.0 | |
| Sept. 20, 2021, 8 p.m. | 16.1 ppb (16) | 4.9 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 42.0 | |
| Sept. 20, 2021, 7 p.m. | 21.7 ppb (21) | 6.2 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 20, 2021, 6 p.m. | 21.3 ppb (21) | 5.8 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| Sept. 20, 2021, 5 p.m. | 30.0 ppb (29) | 9.8 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 29.0 | |
| Sept. 20, 2021, 4 p.m. | 28.9 ppb (28) | 10.3 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 28.0 | |
| Sept. 20, 2021, 3 p.m. | 25.5 ppb (25) | 7.8 ppb (8) | N/A | 18.0 ppb (17) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 25.0 | |
| Sept. 20, 2021, 2 p.m. | 42.4 ppb (40) | 16.4 ppb (16) | N/A | 26.0 ppb (25) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 40.0 | |
| Sept. 20, 2021, 1 p.m. | 38.5 ppb (37) | 13.3 ppb (13) | N/A | 25.0 ppb (24) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 37.0 | |
| Sept. 20, 2021, noon | 26.8 ppb (26) | 4.4 ppb (5) | N/A | 23.0 ppb (22) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 26.0 | |
| Sept. 20, 2021, 11 a.m. | 19.4 ppb (19) | 3.0 ppb (3) | N/A | 16.0 ppb (16) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 19.0 | |
| Sept. 20, 2021, 10 a.m. | 16.7 ppb (16) | 3.1 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 16.0 | |
| Sept. 20, 2021, 9 a.m. | 16.9 ppb (16) | 3.0 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 16.0 | |
| Sept. 20, 2021, 8 a.m. | 14.4 ppb (14) | 3.0 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 14.0 | |
| Sept. 20, 2021, 7 a.m. | 15.9 ppb (15) | 3.0 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 15.0 | |
| Sept. 20, 2021, 6 a.m. | 14.7 ppb (14) | 3.1 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 14.0 | |
| Sept. 20, 2021, 5 a.m. | 10.7 ppb (11) | 2.8 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
| Sept. 20, 2021, 4 a.m. | 5.9 ppb (6) | 2.8 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Sept. 20, 2021, 3 a.m. | 4.4 ppb (5) | 2.7 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 27.0 | |
| Sept. 20, 2021, 2 a.m. | 4.7 ppb (5) | 2.9 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 31.0 | |
| Sept. 20, 2021, 1 a.m. | 4.7 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 20, 2021, midnight | 5.1 ppb (5) | 2.9 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 42.0 | |
| Sept. 19, 2021, 11 p.m. | 4.5 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | N/A | 43.0 | |
| Sept. 19, 2021, 10 p.m. | 5.6 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | N/A | 48.0 | |
| Sept. 19, 2021, 9 p.m. | 6.6 ppb (7) | 3.1 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | N/A | 47.0 | |
| Sept. 19, 2021, 8 p.m. | 7.0 ppb (7) | 3.2 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | N/A | 49.0 | |
| Sept. 19, 2021, 7 p.m. | 8.9 ppb (9) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | N/A | 45.0 | |
| Sept. 19, 2021, 6 p.m. | 9.5 ppb (9) | 3.9 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Sept. 19, 2021, 5 p.m. | 8.1 ppb (8) | 3.7 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 19, 2021, 4 p.m. | 7.0 ppb (7) | 3.4 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 19, 2021, 3 p.m. | 8.0 ppb (8) | 3.1 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 30.0 | |
| Sept. 19, 2021, 2 p.m. | 13.6 ppb (13) | 3.4 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Sept. 19, 2021, 1 p.m. | 13.1 ppb (13) | 3.0 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 16.0 | |
| Sept. 19, 2021, noon | 12.1 ppb (12) | 3.0 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
| Sept. 19, 2021, 11 a.m. | 12.9 ppb (13) | 2.9 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
| Sept. 19, 2021, 10 a.m. | 13.7 ppb (13) | 3.1 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 13.0 | |
| Sept. 19, 2021, 9 a.m. | 14.7 ppb (14) | 3.0 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 14.0 | |
| Sept. 19, 2021, 8 a.m. | 14.4 ppb (14) | 3.0 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 14.0 | |
| Sept. 19, 2021, 7 a.m. | 10.8 ppb (11) | 2.8 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 19.0 | |
| Sept. 19, 2021, 6 a.m. | 9.5 ppb (9) | 2.9 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 23.0 | |
| Sept. 19, 2021, 5 a.m. | 9.7 ppb (10) | 2.8 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 24.0 | |
| Sept. 19, 2021, 4 a.m. | 7.4 ppb (7) | 2.8 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Sept. 19, 2021, 3 a.m. | 5.5 ppb (6) | 2.7 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 30.0 | |
| Sept. 19, 2021, 2 a.m. | 5.6 ppb (6) | 2.8 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | N/A | 32.0 | |
| Sept. 19, 2021, 1 a.m. | 4.4 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 19, 2021, midnight | 4.3 ppb (5) | 2.8 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 41.0 | |
| Sept. 18, 2021, 11 p.m. | 4.6 ppb (5) | 2.9 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Sept. 18, 2021, 10 p.m. | 4.9 ppb (5) | 3.0 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Sept. 18, 2021, 9 p.m. | 5.3 ppb (5) | 3.2 ppb (4) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 18, 2021, 8 p.m. | 5.0 ppb (5) | 3.1 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 18, 2021, 7 p.m. | 5.5 ppb (6) | 3.3 ppb (4) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Sept. 18, 2021, 6 p.m. | 6.7 ppb (7) | 3.6 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 39.0 | |
| Sept. 18, 2021, 5 p.m. | 7.8 ppb (8) | 3.8 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 18, 2021, 4 p.m. | 10.2 ppb (10) | 4.2 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 34.0 | |
| Sept. 18, 2021, 3 p.m. | 16.7 ppb (16) | 5.3 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Sept. 18, 2021, 2 p.m. | 36.4 ppb (35) | 17.3 ppb (17) | N/A | 19.0 ppb (18) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 35.0 | |
| Sept. 18, 2021, 1 p.m. | 10.1 ppb (10) | 3.0 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
| Sept. 18, 2021, noon | 11.5 ppb (11) | 3.2 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 13.0 | |
| Sept. 18, 2021, 11 a.m. | 12.5 ppb (12) | 3.1 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 12.0 | |
| Sept. 18, 2021, 10 a.m. | 11.8 ppb (12) | 3.1 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
| Sept. 18, 2021, 9 a.m. | 17.5 ppb (17) | 3.2 ppb (4) | N/A | 14.0 ppb (14) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 17.0 | |
| Sept. 18, 2021, 8 a.m. | 19.3 ppb (19) | 3.4 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 19.0 | |
| Sept. 18, 2021, 7 a.m. | 8.4 ppb (8) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Sept. 18, 2021, 6 a.m. | 10.8 ppb (11) | 3.5 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 20.0 | |
| Sept. 18, 2021, 5 a.m. | 10.5 ppb (10) | 3.0 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Sept. 18, 2021, 4 a.m. | 9.3 ppb (9) | 2.9 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Sept. 18, 2021, 3 a.m. | 5.2 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 18, 2021, 2 a.m. | 4.9 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 37.0 | |
| Sept. 18, 2021, 1 a.m. | 5.3 ppb (5) | 2.8 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Sept. 18, 2021, midnight | 6.0 ppb (6) | 2.9 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| Sept. 17, 2021, 11 p.m. | 7.0 ppb (7) | 3.1 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | N/A | 48.0 | |
| Sept. 17, 2021, 10 p.m. | 7.1 ppb (7) | 3.1 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 55.0 ppb (51) | N/A | N/A | N/A | 51.0 | |
| Sept. 17, 2021, 9 p.m. | 9.3 ppb (9) | 3.4 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 57.0 ppb (58) | N/A | N/A | N/A | 58.0 | |
| Sept. 17, 2021, 8 p.m. | 12.1 ppb (12) | 3.9 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 54.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| Sept. 17, 2021, 7 p.m. | 16.4 ppb (16) | 5.4 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 42.0 | |
| Sept. 17, 2021, 6 p.m. | 15.3 ppb (15) | 5.2 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 37.0 | |
| Sept. 17, 2021, 5 p.m. | 16.8 ppb (16) | 5.0 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 31.0 | |
| Sept. 17, 2021, 4 p.m. | 15.1 ppb (15) | 4.1 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Sept. 17, 2021, 3 p.m. | 12.2 ppb (12) | 3.4 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 31.0 | |
| Sept. 17, 2021, 2 p.m. | 9.6 ppb (10) | 3.1 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | N/A | 33.0 | |
| Sept. 17, 2021, 1 p.m. | 6.9 ppb (7) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 35.0 | |
| Sept. 17, 2021, noon | 6.6 ppb (7) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 17, 2021, 11 a.m. | 4.8 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | N/A | 33.0 | |
| Sept. 17, 2021, 10 a.m. | 5.0 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | N/A | 33.0 | |
| Sept. 17, 2021, 9 a.m. | 5.0 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | N/A | 33.0 | |
| Sept. 17, 2021, 8 a.m. | 8.2 ppb (8) | 3.3 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 30.0 | |
| Sept. 17, 2021, 7 a.m. | 5.2 ppb (5) | 2.7 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 35.0 | |
| Sept. 17, 2021, 6 a.m. | 5.0 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 17, 2021, 5 a.m. | 5.3 ppb (5) | 2.7 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 17, 2021, 4 a.m. | 6.4 ppb (7) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 17, 2021, 3 a.m. | 7.4 ppb (7) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 37.0 | |
| Sept. 17, 2021, 2 a.m. | 5.2 ppb (5) | 2.7 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 40.0 | |
| Sept. 17, 2021, 1 a.m. | 6.2 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 41.0 | |
| Sept. 17, 2021, midnight | 5.2 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| Sept. 16, 2021, 11 p.m. | 5.7 ppb (6) | 2.9 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | N/A | 48.0 | |
| Sept. 16, 2021, 10 p.m. | 6.4 ppb (7) | 3.1 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | N/A | 48.0 | |
| Sept. 16, 2021, 9 p.m. | 9.6 ppb (10) | 3.8 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | N/A | 49.0 | |
| Sept. 16, 2021, 8 p.m. | 14.9 ppb (15) | 5.0 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | N/A | 49.0 | |
| Sept. 16, 2021, 7 p.m. | 14.4 ppb (14) | 4.8 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| Sept. 16, 2021, 6 p.m. | 16.7 ppb (16) | 5.6 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 16, 2021, 5 p.m. | 16.1 ppb (16) | 4.7 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | N/A | 33.0 | |
| Sept. 16, 2021, 4 p.m. | 14.5 ppb (14) | 4.5 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | N/A | 32.0 | |
| Sept. 16, 2021, 3 p.m. | 11.1 ppb (11) | 3.3 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | N/A | 33.0 | |
| Sept. 16, 2021, 2 p.m. | 12.0 ppb (12) | 3.5 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 29.0 | |
| Sept. 16, 2021, 1 p.m. | 15.0 ppb (15) | 4.7 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 27.0 | |
| Sept. 16, 2021, noon | 6.8 ppb (7) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 31.0 | |
| Sept. 16, 2021, 11 a.m. | 5.0 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 34.0 | |
| Sept. 16, 2021, 10 a.m. | 4.7 ppb (5) | 2.8 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 16, 2021, 9 a.m. | 4.4 ppb (5) | 2.7 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 16, 2021, 8 a.m. | 4.2 ppb (4) | 2.7 ppb (3) | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 16, 2021, 7 a.m. | 4.7 ppb (5) | 2.7 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 37.0 | |
| Sept. 16, 2021, 6 a.m. | 4.7 ppb (5) | 2.7 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 16, 2021, 5 a.m. | 5.1 ppb (5) | 2.7 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 35.0 | |
| Sept. 16, 2021, 4 a.m. | 5.7 ppb (6) | 2.8 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 16, 2021, 3 a.m. | 5.6 ppb (6) | 2.7 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 37.0 | |
| Sept. 16, 2021, 2 a.m. | 6.2 ppb (6) | 2.7 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 41.0 | |
| Sept. 16, 2021, 1 a.m. | 6.7 ppb (7) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| Sept. 16, 2021, midnight | 8.5 ppb (9) | 3.2 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | N/A | 49.0 | |
| Sept. 15, 2021, 11 p.m. | 6.6 ppb (7) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 54.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| Sept. 15, 2021, 10 p.m. | 7.7 ppb (8) | 3.3 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 53.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| Sept. 15, 2021, 9 p.m. | 8.8 ppb (9) | 3.5 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | N/A | 47.0 | |
| Sept. 15, 2021, 8 p.m. | 10.9 ppb (11) | 3.9 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| Sept. 15, 2021, 7 p.m. | 16.7 ppb (16) | 5.8 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 41.0 | |
| Sept. 15, 2021, 6 p.m. | 16.3 ppb (16) | 5.5 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 35.0 | |
| Sept. 15, 2021, 5 p.m. | 17.3 ppb (17) | 5.9 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 29.0 | |
| Sept. 15, 2021, 4 p.m. | 16.2 ppb (16) | 4.9 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 23.0 | |
| Sept. 15, 2021, 3 p.m. | 23.6 ppb (23) | 7.5 ppb (8) | N/A | 16.0 ppb (16) | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 23.0 | |
| Sept. 15, 2021, 2 p.m. | 26.8 ppb (26) | 9.9 ppb (10) | N/A | 17.0 ppb (17) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 26.0 | |
| Sept. 15, 2021, 1 p.m. | 12.1 ppb (12) | 3.5 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 23.0 | |
| Sept. 15, 2021, noon | 8.1 ppb (8) | 2.9 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 29.0 | |
| Sept. 15, 2021, 11 a.m. | 7.0 ppb (7) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Sept. 15, 2021, 10 a.m. | 7.3 ppb (7) | 2.8 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 27.0 | |
| Sept. 15, 2021, 9 a.m. | 6.3 ppb (6) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 30.0 | |
| Sept. 15, 2021, 8 a.m. | 8.6 ppb (9) | 3.2 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 27.0 | |
| Sept. 15, 2021, 7 a.m. | 9.7 ppb (10) | 3.5 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Sept. 15, 2021, 6 a.m. | 15.4 ppb (15) | 4.9 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 23.0 | |
| Sept. 15, 2021, 5 a.m. | 9.2 ppb (9) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 21.0 | |
| Sept. 15, 2021, 4 a.m. | 10.7 ppb (11) | 2.9 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Sept. 15, 2021, 3 a.m. | 9.4 ppb (9) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Sept. 15, 2021, 2 a.m. | 7.0 ppb (7) | 2.8 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 34.0 | |
| Sept. 15, 2021, 1 a.m. | 8.9 ppb (9) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 53.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| Sept. 15, 2021, midnight | 10.6 ppb (10) | 3.2 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 57.0 ppb (58) | N/A | N/A | N/A | 58.0 | |
| Sept. 14, 2021, 11 p.m. | 15.0 ppb (15) | 3.8 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | 53.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| Sept. 14, 2021, 10 p.m. | 18.0 ppb (17) | 4.5 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | N/A | 46.0 | |
| Sept. 14, 2021, 9 p.m. | 20.2 ppb (20) | 5.3 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | N/A | 44.0 | |
| Sept. 14, 2021, 8 p.m. | 22.2 ppb (21) | 6.5 ppb (7) | N/A | 16.0 ppb (16) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| Sept. 14, 2021, 7 p.m. | 26.0 ppb (25) | 8.4 ppb (8) | N/A | 18.0 ppb (17) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 31.0 | |
| Sept. 14, 2021, 6 p.m. | 30.3 ppb (29) | 11.0 ppb (11) | N/A | 19.0 ppb (18) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 29.0 | |
| Sept. 14, 2021, 5 p.m. | 28.4 ppb (27) | 11.4 ppb (11) | N/A | 17.0 ppb (17) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 27.0 |