Long Beach (E 20th St) CA, US: 33.793713, -118.171019
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 21, 2021, 3 p.m. | 44.0 ppb (42) | 20.4 ppb (20) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.5 ppb (6) | N/A | N/A | 42.0 | |
| Sept. 21, 2021, 2 p.m. | 34.1 ppb (33) | 12.9 ppb (13) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.58 ppb (7) | N/A | N/A | 33.0 | |
| Sept. 21, 2021, 1 p.m. | 19.2 ppb (19) | 3.7 ppb (4) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.45 ppb (6) | N/A | N/A | 19.0 | |
| Sept. 21, 2021, noon | 13.4 ppb (13) | 1.2 ppb (2) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.23 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 21, 2021, 11 a.m. | 4.8 ppb (5) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.14 ppb (2) | N/A | N/A | 15.0 | |
| Sept. 21, 2021, 10 a.m. | 3.6 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.05 ppb (2) | N/A | N/A | 18.0 | |
| Sept. 21, 2021, 9 a.m. | 4.0 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.19 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 21, 2021, 8 a.m. | 4.0 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.17 ppb (3) | N/A | N/A | 21.0 | |
| Sept. 21, 2021, 7 a.m. | 8.4 ppb (8) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.18 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 21, 2021, 6 a.m. | 7.6 ppb (8) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.14 ppb (2) | N/A | N/A | 18.0 | |
| Sept. 21, 2021, 5 a.m. | 14.0 ppb (14) | 0.3 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.17 ppb (3) | N/A | N/A | 14.0 | |
| Sept. 21, 2021, 4 a.m. | 11.2 ppb (11) | 0.3 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.11 ppb (2) | N/A | N/A | 17.0 | |
| Sept. 21, 2021, 3 a.m. | 22.8 ppb (22) | 1.5 ppb (2) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.15 ppb (2) | N/A | N/A | 22.0 | |
| Sept. 21, 2021, 2 a.m. | 40.2 ppb (38) | 10.7 ppb (11) | N/A | 30.0 ppb (29) | N/A | 1.0 ppb (2) | 7.0 ppb (7) | 0.13 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 21, 2021, 1 a.m. | 13.7 ppb (13) | 0.8 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.11 ppb (2) | N/A | N/A | 23.0 | |
| Sept. 21, 2021, midnight | 16.1 ppb (16) | 3.9 ppb (4) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.15 ppb (2) | N/A | N/A | 25.0 | |
| Sept. 20, 2021, 11 p.m. | 12.8 ppb (13) | 3.2 ppb (4) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.18 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 20, 2021, 10 p.m. | 12.3 ppb (12) | 3.0 ppb (3) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.22 ppb (3) | N/A | N/A | 37.0 | |
| Sept. 20, 2021, 9 p.m. | 9.9 ppb (10) | 2.3 ppb (3) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.23 ppb (3) | N/A | N/A | 41.0 | |
| Sept. 20, 2021, 8 p.m. | 7.1 ppb (7) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.16 ppb (3) | N/A | N/A | 41.0 | |
| Sept. 20, 2021, 7 p.m. | 9.1 ppb (9) | 2.4 ppb (3) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.12 ppb (2) | N/A | N/A | 39.0 | |
| Sept. 20, 2021, 6 p.m. | 6.7 ppb (7) | 1.6 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.1 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 20, 2021, 5 p.m. | 4.4 ppb (5) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.07 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 20, 2021, 4 p.m. | 5.3 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.06 ppb (2) | N/A | N/A | 35.0 | |
| Sept. 20, 2021, 3 p.m. | 16.6 ppb (16) | 3.6 ppb (4) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.25 ppb (3) | N/A | N/A | 21.0 | |
| Sept. 20, 2021, 2 p.m. | 19.3 ppb (19) | 2.7 ppb (3) | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.34 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 20, 2021, 1 p.m. | 11.6 ppb (11) | 0.5 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.34 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 20, 2021, noon | 9.3 ppb (9) | 0.4 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.35 ppb (4) | N/A | N/A | 20.0 | |
| Sept. 20, 2021, 11 a.m. | 6.7 ppb (7) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.3 ppb (4) | N/A | N/A | 24.0 | |
| Sept. 20, 2021, 10 a.m. | 5.1 ppb (5) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.22 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 20, 2021, 9 a.m. | 11.1 ppb (11) | 0.3 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.2 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 20, 2021, 8 a.m. | 9.9 ppb (10) | 0.3 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.19 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 20, 2021, 7 a.m. | 13.2 ppb (13) | 0.4 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.19 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 20, 2021, 6 a.m. | 15.3 ppb (15) | 0.5 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.15 ppb (2) | N/A | N/A | 15.0 | |
| Sept. 20, 2021, 5 a.m. | 14.5 ppb (14) | 1.2 ppb (2) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.2 ppb (3) | N/A | N/A | 19.0 | |
| Sept. 20, 2021, 4 a.m. | 11.2 ppb (11) | 0.4 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.17 ppb (3) | N/A | N/A | 23.0 | |
| Sept. 20, 2021, 3 a.m. | 9.2 ppb (9) | 0.2 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.26 ppb (4) | N/A | N/A | 31.0 | |
| Sept. 20, 2021, 2 a.m. | 10.6 ppb (10) | 0.5 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.19 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 20, 2021, 1 a.m. | 11.9 ppb (12) | 0.5 ppb (1) | N/A | 11.0 ppb (11) | N/A | 1.0 ppb (2) | 49.0 ppb (46) | 0.19 ppb (3) | N/A | N/A | 46.0 | |
| Sept. 20, 2021, midnight | 8.2 ppb (8) | 0.7 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.19 ppb (3) | N/A | N/A | 51.0 | |
| Sept. 19, 2021, 11 p.m. | 8.7 ppb (9) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.19 ppb (3) | N/A | N/A | 50.0 | |
| Sept. 19, 2021, 10 p.m. | 9.5 ppb (9) | 1.6 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.2 ppb (3) | N/A | N/A | 50.0 | |
| Sept. 19, 2021, 9 p.m. | 10.0 ppb (10) | 1.7 ppb (2) | N/A | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 55.0 ppb (51) | 0.2 ppb (3) | N/A | N/A | 51.0 | |
| Sept. 19, 2021, 8 p.m. | 8.1 ppb (8) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.19 ppb (3) | N/A | N/A | 50.0 | |
| Sept. 19, 2021, 7 p.m. | 10.3 ppb (10) | 2.3 ppb (3) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 46.0 ppb (43) | 0.19 ppb (3) | N/A | N/A | 43.0 | |
| Sept. 19, 2021, 6 p.m. | 12.4 ppb (12) | 3.2 ppb (4) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.11 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 19, 2021, 5 p.m. | 12.7 ppb (12) | 3.1 ppb (3) | N/A | 10.0 ppb (10) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 19, 2021, 4 p.m. | 18.1 ppb (18) | 3.5 ppb (4) | N/A | 15.0 ppb (15) | N/A | 2.0 ppb (3) | 29.0 ppb (27) | 0.08 ppb (2) | N/A | N/A | 27.0 | |
| Sept. 19, 2021, 3 p.m. | 17.5 ppb (17) | 3.4 ppb (4) | N/A | 14.0 ppb (14) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.09 ppb (2) | N/A | N/A | 20.0 | |
| Sept. 19, 2021, 2 p.m. | 13.5 ppb (13) | 2.1 ppb (2) | N/A | 11.0 ppb (11) | N/A | 1.0 ppb (2) | 16.0 ppb (15) | 0.09 ppb (2) | N/A | N/A | 15.0 | |
| Sept. 19, 2021, 1 p.m. | 9.1 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.16 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 19, 2021, noon | 10.4 ppb (10) | 0.5 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.16 ppb (3) | N/A | N/A | 15.0 | |
| Sept. 19, 2021, 11 a.m. | 9.3 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.32 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 19, 2021, 10 a.m. | 9.3 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.35 ppb (4) | N/A | N/A | 20.0 | |
| Sept. 19, 2021, 9 a.m. | 9.0 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.33 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 19, 2021, 8 a.m. | 8.4 ppb (8) | 0.2 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.28 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 19, 2021, 7 a.m. | 5.9 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.22 ppb (3) | N/A | N/A | 31.0 | |
| Sept. 19, 2021, 6 a.m. | 5.0 ppb (5) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.18 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 19, 2021, 5 a.m. | 5.4 ppb (6) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.18 ppb (3) | N/A | N/A | 36.0 | |
| Sept. 19, 2021, 4 a.m. | 5.5 ppb (6) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.17 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 19, 2021, 3 a.m. | 4.8 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | 0.22 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 19, 2021, 2 a.m. | 4.0 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 39.0 ppb (37) | 0.19 ppb (3) | N/A | N/A | 37.0 | |
| Sept. 19, 2021, 1 a.m. | 4.2 ppb (4) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | 0.18 ppb (3) | N/A | N/A | 36.0 | |
| Sept. 19, 2021, midnight | 5.0 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 39.0 ppb (37) | 0.19 ppb (3) | N/A | N/A | 37.0 | |
| Sept. 18, 2021, 11 p.m. | 4.1 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 43.0 ppb (40) | 0.17 ppb (3) | N/A | N/A | 40.0 | |
| Sept. 18, 2021, 10 p.m. | 4.0 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 47.0 ppb (44) | 0.18 ppb (3) | N/A | N/A | 44.0 | |
| Sept. 18, 2021, 9 p.m. | 6.4 ppb (7) | 1.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 48.0 ppb (45) | 0.17 ppb (3) | N/A | N/A | 45.0 | |
| Sept. 18, 2021, 8 p.m. | 4.7 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.16 ppb (3) | N/A | N/A | 42.0 | |
| Sept. 18, 2021, 7 p.m. | 5.4 ppb (6) | 1.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.14 ppb (2) | N/A | N/A | 41.0 | |
| Sept. 18, 2021, 6 p.m. | 12.4 ppb (12) | 3.6 ppb (4) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | 0.15 ppb (2) | N/A | N/A | 36.0 | |
| Sept. 18, 2021, 5 p.m. | 29.4 ppb (28) | 8.2 ppb (8) | N/A | 21.0 ppb (20) | N/A | 2.0 ppb (3) | 23.0 ppb (22) | 0.17 ppb (3) | N/A | N/A | 28.0 | |
| Sept. 18, 2021, 4 p.m. | 25.9 ppb (25) | 5.4 ppb (6) | N/A | 21.0 ppb (20) | N/A | 3.0 ppb (5) | 18.0 ppb (17) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 18, 2021, 3 p.m. | 18.4 ppb (18) | 2.1 ppb (2) | N/A | 16.0 ppb (16) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.19 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 18, 2021, 2 p.m. | 15.0 ppb (15) | 1.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.21 ppb (3) | N/A | N/A | 19.0 | |
| Sept. 18, 2021, 1 p.m. | 14.8 ppb (14) | 0.4 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.26 ppb (4) | N/A | N/A | 15.0 | |
| Sept. 18, 2021, noon | 16.1 ppb (16) | 0.6 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.25 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 18, 2021, 11 a.m. | 15.4 ppb (15) | 0.4 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.28 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 18, 2021, 10 a.m. | 13.7 ppb (13) | 0.5 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.25 ppb (3) | N/A | N/A | 21.0 | |
| Sept. 18, 2021, 9 a.m. | 8.7 ppb (9) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.29 ppb (4) | N/A | N/A | 29.0 | |
| Sept. 18, 2021, 8 a.m. | 7.3 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.24 ppb (3) | N/A | N/A | 31.0 | |
| Sept. 18, 2021, 7 a.m. | 6.4 ppb (7) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.23 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 18, 2021, 6 a.m. | 6.1 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.18 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 18, 2021, 5 a.m. | 7.2 ppb (7) | 0.1 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.21 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 18, 2021, 4 a.m. | 9.0 ppb (9) | 0.4 ppb (1) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.19 ppb (3) | N/A | N/A | 32.0 | |
| Sept. 18, 2021, 3 a.m. | 8.4 ppb (8) | 0.2 ppb (1) | N/A | 8.0 ppb (8) | N/A | 2.0 ppb (3) | 36.0 ppb (34) | 0.21 ppb (3) | N/A | N/A | 34.0 | |
| Sept. 18, 2021, 2 a.m. | 5.9 ppb (6) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.2 ppb (3) | N/A | N/A | 36.0 | |
| Sept. 18, 2021, 1 a.m. | 5.8 ppb (6) | 0.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.18 ppb (3) | N/A | N/A | 40.0 | |
| Sept. 18, 2021, midnight | 6.4 ppb (7) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.16 ppb (3) | N/A | N/A | 45.0 | |
| Sept. 17, 2021, 11 p.m. | 6.7 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.16 ppb (3) | N/A | N/A | 45.0 | |
| Sept. 17, 2021, 10 p.m. | 6.3 ppb (6) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | 0.09 ppb (2) | N/A | N/A | 46.0 | |
| Sept. 17, 2021, 9 p.m. | 7.0 ppb (7) | 1.4 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.08 ppb (2) | N/A | N/A | 48.0 | |
| Sept. 17, 2021, 8 p.m. | 6.1 ppb (6) | 1.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.11 ppb (2) | N/A | N/A | 50.0 | |
| Sept. 17, 2021, 7 p.m. | 6.1 ppb (6) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.14 ppb (2) | N/A | N/A | 48.0 | |
| Sept. 17, 2021, 6 p.m. | 3.5 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.2 ppb (3) | N/A | N/A | 48.0 | |
| Sept. 17, 2021, 5 p.m. | 2.4 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | 0.16 ppb (3) | N/A | N/A | 46.0 | |
| Sept. 17, 2021, 4 p.m. | 4.8 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.12 ppb (2) | N/A | N/A | 41.0 | |
| Sept. 17, 2021, 3 p.m. | 7.7 ppb (8) | 0.6 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.08 ppb (2) | N/A | N/A | 35.0 | |
| Sept. 17, 2021, 2 p.m. | 6.3 ppb (6) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.08 ppb (2) | N/A | N/A | 34.0 | |
| Sept. 17, 2021, 1 p.m. | 5.4 ppb (6) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.07 ppb (2) | N/A | N/A | 34.0 | |
| Sept. 17, 2021, noon | 6.2 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.05 ppb (2) | N/A | N/A | 33.0 | |
| Sept. 17, 2021, 11 a.m. | 8.3 ppb (8) | 0.1 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.06 ppb (2) | N/A | N/A | 29.0 | |
| Sept. 17, 2021, 10 a.m. | 8.2 ppb (8) | 0.1 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.05 ppb (2) | N/A | N/A | 31.0 | |
| Sept. 17, 2021, 9 a.m. | 7.1 ppb (7) | 0.1 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.28 ppb (4) | N/A | N/A | 33.0 | |
| Sept. 17, 2021, 8 a.m. | 6.9 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.26 ppb (4) | N/A | N/A | 32.0 | |
| Sept. 17, 2021, 7 a.m. | 8.6 ppb (9) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.31 ppb (4) | N/A | N/A | 35.0 | |
| Sept. 17, 2021, 6 a.m. | 7.3 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.27 ppb (4) | N/A | N/A | 38.0 | |
| Sept. 17, 2021, 5 a.m. | 8.1 ppb (8) | 0.2 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.23 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 17, 2021, 4 a.m. | 7.3 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.21 ppb (3) | N/A | N/A | 39.0 | |
| Sept. 17, 2021, 3 a.m. | 9.6 ppb (10) | 0.4 ppb (1) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 40.0 ppb (38) | 0.17 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 17, 2021, 2 a.m. | 8.0 ppb (8) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.2 ppb (3) | N/A | N/A | 39.0 | |
| Sept. 17, 2021, 1 a.m. | 5.9 ppb (6) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | 0.19 ppb (3) | N/A | N/A | 41.0 | |
| Sept. 17, 2021, midnight | 6.6 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 46.0 ppb (43) | 0.21 ppb (3) | N/A | N/A | 43.0 | |
| Sept. 16, 2021, 11 p.m. | 7.3 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 48.0 ppb (45) | 0.25 ppb (3) | N/A | N/A | 45.0 | |
| Sept. 16, 2021, 10 p.m. | 11.0 ppb (11) | 2.2 ppb (3) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 49.0 ppb (46) | 0.21 ppb (3) | N/A | N/A | 46.0 | |
| Sept. 16, 2021, 9 p.m. | 8.6 ppb (9) | 1.6 ppb (2) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 53.0 ppb (50) | 0.14 ppb (2) | N/A | N/A | 50.0 | |
| Sept. 16, 2021, 8 p.m. | 9.2 ppb (9) | 1.8 ppb (2) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 51.0 ppb (48) | 0.14 ppb (2) | N/A | N/A | 48.0 | |
| Sept. 16, 2021, 7 p.m. | 13.9 ppb (14) | 3.2 ppb (4) | N/A | 11.0 ppb (11) | N/A | 1.0 ppb (2) | 47.0 ppb (44) | 0.15 ppb (2) | N/A | N/A | 44.0 | |
| Sept. 16, 2021, 6 p.m. | 14.2 ppb (14) | 3.5 ppb (4) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.15 ppb (2) | N/A | N/A | 41.0 | |
| Sept. 16, 2021, 5 p.m. | 16.0 ppb (16) | 4.1 ppb (4) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.19 ppb (3) | N/A | N/A | 37.0 | |
| Sept. 16, 2021, 4 p.m. | 9.4 ppb (9) | 1.4 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.17 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 16, 2021, 3 p.m. | 10.8 ppb (11) | 0.9 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.17 ppb (3) | N/A | N/A | 34.0 | |
| Sept. 16, 2021, 2 p.m. | 19.1 ppb (19) | 0.8 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.2 ppb (3) | N/A | N/A | 26.0 | |
| Sept. 16, 2021, 1 p.m. | 21.9 ppb (21) | 0.3 ppb (1) | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.21 ppb (3) | N/A | N/A | 22.0 | |
| Sept. 16, 2021, noon | 9.7 ppb (10) | 0.2 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.18 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 16, 2021, 11 a.m. | 7.0 ppb (7) | 0.1 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.08 ppb (2) | N/A | N/A | 36.0 | |
| Sept. 16, 2021, 10 a.m. | 7.2 ppb (7) | 0.1 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| Sept. 16, 2021, 9 a.m. | 14.7 ppb (14) | 0.0 ppb (0) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.14 ppb (2) | N/A | N/A | 26.0 | |
| Sept. 16, 2021, 8 a.m. | 10.4 ppb (10) | 0.2 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.21 ppb (3) | N/A | N/A | 29.0 | |
| Sept. 16, 2021, 7 a.m. | 8.0 ppb (8) | 0.2 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.2 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 16, 2021, 6 a.m. | 6.2 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.18 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 16, 2021, 5 a.m. | 7.6 ppb (8) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.17 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 16, 2021, 4 a.m. | 7.4 ppb (7) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.18 ppb (3) | N/A | N/A | 37.0 | |
| Sept. 16, 2021, 3 a.m. | 7.4 ppb (7) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.23 ppb (3) | N/A | N/A | 39.0 | |
| Sept. 16, 2021, 2 a.m. | 7.7 ppb (8) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.06 ppb (2) | N/A | N/A | 40.0 | |
| Sept. 16, 2021, 1 a.m. | 8.3 ppb (8) | 0.5 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | N/A | N/A | N/A | 44.0 | |
| Sept. 16, 2021, midnight | 9.3 ppb (9) | 1.3 ppb (2) | N/A | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 48.0 ppb (45) | N/A | N/A | N/A | 45.0 | |
| Sept. 15, 2021, 11 p.m. | 9.5 ppb (9) | 1.7 ppb (2) | N/A | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 48.0 ppb (45) | N/A | N/A | N/A | 45.0 | |
| Sept. 15, 2021, 10 p.m. | 11.1 ppb (11) | 2.1 ppb (2) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 55.0 ppb (51) | N/A | N/A | N/A | 51.0 | |
| Sept. 15, 2021, 9 p.m. | 15.6 ppb (15) | 2.9 ppb (3) | N/A | 13.0 ppb (13) | N/A | 1.0 ppb (2) | 53.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| Sept. 15, 2021, 8 p.m. | 15.2 ppb (15) | 3.3 ppb (4) | N/A | 12.0 ppb (12) | N/A | 1.0 ppb (2) | 46.0 ppb (43) | 0.13 ppb (2) | N/A | N/A | 43.0 | |
| Sept. 15, 2021, 7 p.m. | 20.8 ppb (20) | 6.2 ppb (6) | N/A | 15.0 ppb (15) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | 0.09 ppb (2) | N/A | N/A | 34.0 | |
| Sept. 15, 2021, 6 p.m. | 21.9 ppb (21) | 7.0 ppb (7) | N/A | 15.0 ppb (15) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | N/A | N/A | N/A | 32.0 | |
| Sept. 15, 2021, 5 p.m. | 22.9 ppb (22) | 7.9 ppb (8) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.08 ppb (2) | N/A | N/A | 28.0 | |
| Sept. 15, 2021, 4 p.m. | 7.6 ppb (8) | 1.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.15 ppb (2) | N/A | N/A | 35.0 | |
| Sept. 15, 2021, 3 p.m. | 5.5 ppb (6) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.16 ppb (3) | N/A | N/A | 34.0 | |
| Sept. 15, 2021, 2 p.m. | 4.3 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.16 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 15, 2021, 1 p.m. | 3.5 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.25 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 15, 2021, noon | 4.4 ppb (5) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.3 ppb (4) | N/A | N/A | 32.0 | |
| Sept. 15, 2021, 11 a.m. | 9.1 ppb (9) | 0.1 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.31 ppb (4) | N/A | N/A | 23.0 | |
| Sept. 15, 2021, 10 a.m. | 11.8 ppb (12) | 0.2 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.34 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 15, 2021, 9 a.m. | 12.1 ppb (12) | 0.2 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.26 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 15, 2021, 8 a.m. | 14.2 ppb (14) | 0.3 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.23 ppb (3) | N/A | N/A | 14.0 | |
| Sept. 15, 2021, 7 a.m. | 17.0 ppb (17) | 0.6 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.51 ppb (6) | N/A | N/A | 17.0 | |
| Sept. 15, 2021, 6 a.m. | 18.3 ppb (18) | 0.6 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.56 ppb (7) | N/A | N/A | 18.0 | |
| Sept. 15, 2021, 5 a.m. | 13.1 ppb (13) | 0.2 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.35 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 15, 2021, 4 a.m. | 12.6 ppb (12) | 0.5 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.26 ppb (4) | N/A | N/A | 24.0 | |
| Sept. 15, 2021, 3 a.m. | 11.4 ppb (11) | 0.9 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.24 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 15, 2021, 2 a.m. | 11.4 ppb (11) | 0.4 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.23 ppb (3) | N/A | N/A | 27.0 | |
| Sept. 15, 2021, 1 a.m. | 10.9 ppb (11) | 0.7 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.21 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 15, 2021, midnight | 7.6 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.2 ppb (3) | N/A | N/A | 40.0 | |
| Sept. 14, 2021, 11 p.m. | 6.5 ppb (7) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.19 ppb (3) | N/A | N/A | 47.0 | |
| Sept. 14, 2021, 10 p.m. | 6.8 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.18 ppb (3) | N/A | N/A | 47.0 | |
| Sept. 14, 2021, 9 p.m. | 8.5 ppb (9) | 1.8 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.2 ppb (3) | N/A | N/A | 45.0 | |
| Sept. 14, 2021, 8 p.m. | 12.2 ppb (12) | 3.1 ppb (3) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.16 ppb (3) | N/A | N/A | 39.0 | |
| Sept. 14, 2021, 7 p.m. | 17.4 ppb (17) | 5.2 ppb (5) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.15 ppb (2) | N/A | N/A | 35.0 | |
| Sept. 14, 2021, 6 p.m. | 13.8 ppb (14) | 3.8 ppb (4) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.17 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 14, 2021, 5 p.m. | 4.8 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.15 ppb (2) | N/A | N/A | 39.0 | |
| Sept. 14, 2021, 4 p.m. | 5.7 ppb (6) | 1.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.16 ppb (3) | N/A | N/A | 35.0 |