Playa Del Rey (Playa Del Rey) CA, US: 33.95507, -118.43046
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 26, 2021, 5 p.m. | 62.4 ppb (60) | 27.9 ppb (27) | N/A | 35.0 ppb (34) | N/A | 1.0 ppb (2) | 14.0 ppb (13) | 0.77 ppb (10) | N/A | N/A | 60.0 | |
| Feb. 26, 2021, 4 p.m. | 52.6 ppb (50) | 22.1 ppb (21) | N/A | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.76 ppb (10) | N/A | N/A | 50.0 | |
| Feb. 26, 2021, 3 p.m. | 49.7 ppb (47) | 19.1 ppb (19) | N/A | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.72 ppb (8) | N/A | N/A | 47.0 | |
| Feb. 26, 2021, 2 p.m. | 33.8 ppb (32) | 3.7 ppb (4) | N/A | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.57 ppb (7) | N/A | N/A | 32.0 | |
| Feb. 26, 2021, 1 p.m. | 28.5 ppb (27) | 1.0 ppb (1) | N/A | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.5 ppb (6) | N/A | N/A | 27.0 | |
| Feb. 26, 2021, noon | 20.1 ppb (19) | 0.7 ppb (1) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.45 ppb (6) | N/A | N/A | 19.0 | |
| Feb. 26, 2021, 11 a.m. | 8.4 ppb (8) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.3 ppb (4) | N/A | N/A | 25.0 | |
| Feb. 26, 2021, 10 a.m. | 7.2 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.28 ppb (4) | N/A | N/A | 29.0 | |
| Feb. 26, 2021, 9 a.m. | 14.8 ppb (14) | 0.4 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.35 ppb (4) | N/A | N/A | 22.0 | |
| Feb. 26, 2021, 8 a.m. | 8.6 ppb (9) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.26 ppb (4) | N/A | N/A | 26.0 | |
| Feb. 26, 2021, 7 a.m. | 9.7 ppb (10) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.26 ppb (4) | N/A | N/A | 26.0 | |
| Feb. 26, 2021, 6 a.m. | 12.2 ppb (12) | 0.4 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.33 ppb (4) | N/A | N/A | 25.0 | |
| Feb. 26, 2021, 5 a.m. | 16.7 ppb (16) | 0.8 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.47 ppb (6) | N/A | N/A | 20.0 | |
| Feb. 26, 2021, 4 a.m. | 8.7 ppb (9) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.44 ppb (5) | N/A | N/A | 25.0 | |
| Feb. 26, 2021, 3 a.m. | 3.8 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.46 ppb (6) | N/A | N/A | 36.0 | |
| Feb. 26, 2021, 2 a.m. | 5.2 ppb (5) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.49 ppb (6) | N/A | N/A | 36.0 | |
| Feb. 26, 2021, 1 a.m. | 4.3 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.46 ppb (6) | N/A | N/A | 38.0 | |
| Feb. 26, 2021, midnight | 3.5 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.37 ppb (5) | N/A | N/A | 41.0 | |
| Feb. 25, 2021, 5 p.m. | 23.6 ppb (23) | 6.6 ppb (7) | N/A | 17.0 ppb (17) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | 0.24 ppb (3) | N/A | N/A | 28.0 | |
| Feb. 25, 2021, 4 p.m. | 42.6 ppb (41) | 14.6 ppb (14) | N/A | 28.0 ppb (27) | N/A | 1.0 ppb (2) | 16.0 ppb (15) | 0.38 ppb (5) | N/A | N/A | 41.0 | |
| Feb. 25, 2021, 3 p.m. | 59.8 ppb (58) | 26.6 ppb (26) | N/A | 33.0 ppb (32) | N/A | 1.0 ppb (2) | 4.0 ppb (4) | 0.68 ppb (8) | N/A | N/A | 58.0 | |
| Feb. 25, 2021, 2 p.m. | 57.0 ppb (55) | 21.2 ppb (20) | N/A | 36.0 ppb (34) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.59 ppb (7) | N/A | N/A | 55.0 | |
| Feb. 25, 2021, 1 p.m. | 19.8 ppb (19) | 1.7 ppb (2) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.37 ppb (5) | N/A | N/A | 19.0 | |
| Feb. 25, 2021, noon | 11.5 ppb (11) | 0.6 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.34 ppb (4) | N/A | N/A | 13.0 | |
| Feb. 25, 2021, 11 a.m. | 9.1 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.28 ppb (4) | N/A | N/A | 15.0 | |
| Feb. 25, 2021, 10 a.m. | 8.3 ppb (8) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.26 ppb (4) | N/A | N/A | 17.0 | |
| Feb. 25, 2021, 9 a.m. | 10.0 ppb (10) | 0.3 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.24 ppb (3) | N/A | N/A | 20.0 | |
| Feb. 25, 2021, 8 a.m. | 20.2 ppb (20) | 0.6 ppb (1) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.25 ppb (3) | N/A | N/A | 20.0 | |
| Feb. 25, 2021, 7 a.m. | 36.3 ppb (35) | 2.7 ppb (3) | N/A | 34.0 ppb (33) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.58 ppb (7) | N/A | N/A | 35.0 | |
| Feb. 25, 2021, 6 a.m. | 27.2 ppb (26) | 1.0 ppb (1) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.41 ppb (5) | N/A | N/A | 26.0 | |
| Feb. 25, 2021, 5 a.m. | 10.9 ppb (11) | 0.3 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.14 ppb (2) | N/A | N/A | 25.0 | |
| Feb. 25, 2021, 4 a.m. | 5.9 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.12 ppb (2) | N/A | N/A | 34.0 | |
| Feb. 25, 2021, 3 a.m. | 2.3 ppb (3) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.09 ppb (2) | N/A | N/A | 38.0 | |
| Feb. 25, 2021, 2 a.m. | 3.2 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.11 ppb (2) | N/A | N/A | 38.0 | |
| Feb. 25, 2021, 1 a.m. | 3.3 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.13 ppb (2) | N/A | N/A | 38.0 | |
| Feb. 25, 2021, midnight | 2.3 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.16 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 24, 2021, 11 p.m. | 3.5 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.19 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 24, 2021, 10 p.m. | 6.5 ppb (7) | 1.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.22 ppb (3) | N/A | N/A | 36.0 | |
| Feb. 24, 2021, 9 p.m. | 9.9 ppb (10) | 2.4 ppb (3) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.29 ppb (4) | N/A | N/A | 32.0 | |
| Feb. 24, 2021, 8 p.m. | 11.0 ppb (11) | 2.7 ppb (3) | N/A | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.27 ppb (4) | N/A | N/A | 32.0 | |
| Feb. 24, 2021, 7 p.m. | 34.3 ppb (33) | 10.8 ppb (11) | N/A | 24.0 ppb (23) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | 0.38 ppb (5) | N/A | N/A | 33.0 | |
| Feb. 24, 2021, 6 p.m. | 31.6 ppb (30) | 8.4 ppb (8) | N/A | 23.0 ppb (22) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.37 ppb (5) | N/A | N/A | 30.0 | |
| Feb. 24, 2021, 5 p.m. | 34.0 ppb (33) | 10.2 ppb (10) | N/A | 24.0 ppb (23) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.42 ppb (5) | N/A | N/A | 33.0 | |
| Feb. 24, 2021, 4 p.m. | 43.2 ppb (41) | 14.3 ppb (14) | N/A | 29.0 ppb (28) | N/A | 1.0 ppb (2) | 14.0 ppb (13) | 0.53 ppb (6) | N/A | N/A | 41.0 | |
| Feb. 24, 2021, 3 p.m. | 36.0 ppb (34) | 8.7 ppb (9) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.49 ppb (6) | N/A | N/A | 34.0 | |
| Feb. 24, 2021, 2 p.m. | 39.2 ppb (37) | 7.3 ppb (7) | N/A | 32.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.52 ppb (6) | N/A | N/A | 37.0 | |
| Feb. 24, 2021, 1 p.m. | 23.4 ppb (23) | 1.0 ppb (1) | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.37 ppb (5) | N/A | N/A | 23.0 | |
| Feb. 24, 2021, noon | 24.7 ppb (24) | 1.4 ppb (2) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.4 ppb (5) | N/A | N/A | 24.0 | |
| Feb. 24, 2021, 11 a.m. | 40.2 ppb (38) | 8.3 ppb (8) | N/A | 32.0 ppb (31) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.55 ppb (7) | N/A | N/A | 38.0 | |
| Feb. 24, 2021, 10 a.m. | 49.4 ppb (47) | 16.1 ppb (16) | N/A | 33.0 ppb (32) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.73 ppb (8) | N/A | N/A | 47.0 | |
| Feb. 24, 2021, 9 a.m. | 28.5 ppb (27) | 1.9 ppb (2) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.39 ppb (5) | N/A | N/A | 27.0 | |
| Feb. 24, 2021, 8 a.m. | 28.8 ppb (28) | 2.1 ppb (2) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.37 ppb (5) | N/A | N/A | 28.0 | |
| Feb. 24, 2021, 7 a.m. | 35.5 ppb (34) | 3.0 ppb (3) | N/A | 33.0 ppb (32) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.38 ppb (5) | N/A | N/A | 34.0 | |
| Feb. 24, 2021, 6 a.m. | 38.1 ppb (36) | 3.3 ppb (4) | N/A | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.41 ppb (5) | N/A | N/A | 36.0 | |
| Feb. 24, 2021, 5 a.m. | 24.5 ppb (24) | 1.1 ppb (2) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.22 ppb (3) | N/A | N/A | 24.0 | |
| Feb. 24, 2021, 4 a.m. | 24.0 ppb (23) | 1.1 ppb (2) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.2 ppb (3) | N/A | N/A | 23.0 | |
| Feb. 24, 2021, 3 a.m. | 16.2 ppb (16) | 0.6 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.19 ppb (3) | N/A | N/A | 16.0 | |
| Feb. 24, 2021, 2 a.m. | 12.0 ppb (12) | 0.4 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.17 ppb (3) | N/A | N/A | 23.0 | |
| Feb. 24, 2021, 1 a.m. | 4.2 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.15 ppb (2) | N/A | N/A | 32.0 | |
| Feb. 24, 2021, midnight | 1.5 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.15 ppb (2) | N/A | N/A | 37.0 | |
| Feb. 23, 2021, 11 p.m. | 4.1 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.17 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 23, 2021, 10 p.m. | 13.0 ppb (13) | 3.5 ppb (4) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.22 ppb (3) | N/A | N/A | 32.0 | |
| Feb. 23, 2021, 9 p.m. | 20.0 ppb (19) | 6.4 ppb (7) | N/A | 14.0 ppb (14) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | 0.28 ppb (4) | N/A | N/A | 27.0 | |
| Feb. 23, 2021, 8 p.m. | 28.7 ppb (28) | 10.4 ppb (10) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.35 ppb (4) | N/A | N/A | 28.0 | |
| Feb. 23, 2021, 7 p.m. | 28.0 ppb (27) | 9.9 ppb (10) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | 0.37 ppb (5) | N/A | N/A | 27.0 | |
| Feb. 23, 2021, 6 p.m. | 41.6 ppb (40) | 15.5 ppb (15) | N/A | 26.0 ppb (25) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.5 ppb (6) | N/A | N/A | 40.0 | |
| Feb. 23, 2021, 5 p.m. | 45.2 ppb (43) | 17.6 ppb (17) | N/A | 28.0 ppb (27) | N/A | 2.0 ppb (3) | 18.0 ppb (17) | 0.46 ppb (6) | N/A | N/A | 43.0 | |
| Feb. 23, 2021, 4 p.m. | 47.7 ppb (45) | 19.4 ppb (19) | N/A | 28.0 ppb (27) | N/A | 2.0 ppb (3) | 14.0 ppb (13) | 0.52 ppb (6) | N/A | N/A | 45.0 | |
| Feb. 23, 2021, 3 p.m. | 47.3 ppb (45) | 17.4 ppb (17) | N/A | 30.0 ppb (29) | N/A | 1.0 ppb (2) | 7.0 ppb (7) | 0.64 ppb (7) | N/A | N/A | 45.0 | |
| Feb. 23, 2021, 2 p.m. | 40.0 ppb (38) | 6.3 ppb (6) | N/A | 34.0 ppb (33) | N/A | 1.0 ppb (2) | 3.0 ppb (3) | 0.58 ppb (7) | N/A | N/A | 38.0 | |
| Feb. 23, 2021, 1 p.m. | 36.9 ppb (35) | 2.6 ppb (3) | N/A | 34.0 ppb (33) | N/A | 1.0 ppb (2) | 3.0 ppb (3) | 0.5 ppb (6) | N/A | N/A | 35.0 | |
| Feb. 23, 2021, noon | 40.0 ppb (38) | 4.7 ppb (5) | N/A | 35.0 ppb (34) | N/A | 1.0 ppb (2) | 0.0 ppb (0) | 0.54 ppb (6) | N/A | N/A | 38.0 | |
| Feb. 23, 2021, 11 a.m. | 40.9 ppb (39) | 9.1 ppb (9) | N/A | 32.0 ppb (31) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.52 ppb (6) | N/A | N/A | 39.0 | |
| Feb. 23, 2021, 10 a.m. | 15.5 ppb (15) | 0.7 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.33 ppb (4) | N/A | N/A | 15.0 | |
| Feb. 23, 2021, 9 a.m. | 17.0 ppb (17) | 0.6 ppb (1) | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.33 ppb (4) | N/A | N/A | 17.0 | |
| Feb. 23, 2021, 8 a.m. | 16.4 ppb (16) | 0.6 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.34 ppb (4) | N/A | N/A | 16.0 | |
| Feb. 23, 2021, 7 a.m. | 37.6 ppb (36) | 2.1 ppb (2) | N/A | 36.0 ppb (34) | N/A | 1.0 ppb (2) | 4.0 ppb (4) | 0.57 ppb (7) | N/A | N/A | 36.0 | |
| Feb. 23, 2021, 6 a.m. | 35.2 ppb (34) | 1.3 ppb (2) | N/A | 34.0 ppb (33) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.58 ppb (7) | N/A | N/A | 34.0 | |
| Feb. 23, 2021, 5 a.m. | 20.6 ppb (20) | 1.1 ppb (2) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.38 ppb (5) | N/A | N/A | 20.0 | |
| Feb. 23, 2021, 4 a.m. | 15.7 ppb (15) | 1.0 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.32 ppb (4) | N/A | N/A | 15.0 | |
| Feb. 23, 2021, 3 a.m. | 7.2 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.23 ppb (3) | N/A | N/A | 29.0 | |
| Feb. 23, 2021, 2 a.m. | 3.5 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.28 ppb (4) | N/A | N/A | 35.0 | |
| Feb. 23, 2021, 1 a.m. | 5.5 ppb (6) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.33 ppb (4) | N/A | N/A | 37.0 | |
| Feb. 23, 2021, midnight | 4.5 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.3 ppb (4) | N/A | N/A | 39.0 | |
| Feb. 22, 2021, 11 p.m. | 9.9 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.3 ppb (4) | N/A | N/A | 36.0 | |
| Feb. 22, 2021, 10 p.m. | 8.9 ppb (9) | 1.9 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.3 ppb (4) | N/A | N/A | 37.0 | |
| Feb. 22, 2021, 9 p.m. | 19.4 ppb (19) | 5.0 ppb (5) | N/A | 14.0 ppb (14) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | 0.38 ppb (5) | N/A | N/A | 34.0 | |
| Feb. 22, 2021, 8 p.m. | 5.6 ppb (6) | 1.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.23 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 22, 2021, 7 p.m. | 5.5 ppb (6) | 1.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.22 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 22, 2021, 6 p.m. | 15.9 ppb (15) | 4.3 ppb (5) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.34 ppb (4) | N/A | N/A | 30.0 | |
| Feb. 22, 2021, 5 p.m. | 41.0 ppb (39) | 15.5 ppb (15) | N/A | 26.0 ppb (25) | N/A | 1.0 ppb (2) | 18.0 ppb (17) | 0.64 ppb (7) | N/A | N/A | 39.0 | |
| Feb. 22, 2021, 4 p.m. | 46.9 ppb (45) | 20.0 ppb (19) | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 11.0 ppb (11) | 0.7 ppb (8) | N/A | N/A | 45.0 | |
| Feb. 22, 2021, 3 p.m. | 44.0 ppb (42) | 16.0 ppb (16) | N/A | 28.0 ppb (27) | N/A | 1.0 ppb (2) | 6.0 ppb (6) | 0.65 ppb (8) | N/A | N/A | 42.0 | |
| Feb. 22, 2021, 2 p.m. | 28.2 ppb (27) | 2.4 ppb (3) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.48 ppb (6) | N/A | N/A | 27.0 | |
| Feb. 22, 2021, 1 p.m. | 21.1 ppb (20) | 0.8 ppb (1) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.43 ppb (5) | N/A | N/A | 20.0 | |
| Feb. 22, 2021, noon | 27.6 ppb (27) | 1.7 ppb (2) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.54 ppb (6) | N/A | N/A | 27.0 | |
| Feb. 22, 2021, 11 a.m. | 27.8 ppb (27) | 1.9 ppb (2) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.55 ppb (7) | N/A | N/A | 27.0 | |
| Feb. 22, 2021, 10 a.m. | 26.9 ppb (26) | 1.3 ppb (2) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.53 ppb (6) | N/A | N/A | 26.0 | |
| Feb. 22, 2021, 9 a.m. | 40.8 ppb (39) | 5.9 ppb (6) | N/A | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.72 ppb (8) | N/A | N/A | 39.0 | |
| Feb. 22, 2021, 8 a.m. | 40.1 ppb (38) | 3.9 ppb (4) | N/A | 36.0 ppb (34) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.71 ppb (8) | N/A | N/A | 38.0 | |
| Feb. 22, 2021, 7 a.m. | 34.3 ppb (33) | 2.8 ppb (3) | N/A | 32.0 ppb (31) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.68 ppb (8) | N/A | N/A | 33.0 | |
| Feb. 22, 2021, 6 a.m. | 29.2 ppb (28) | 2.3 ppb (3) | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 6.0 ppb (6) | 0.54 ppb (6) | N/A | N/A | 28.0 | |
| Feb. 22, 2021, 5 a.m. | 58.2 ppb (56) | 17.3 ppb (17) | N/A | 41.0 ppb (39) | N/A | 1.0 ppb (2) | 0.0 ppb (0) | 0.63 ppb (7) | N/A | N/A | 56.0 | |
| Feb. 22, 2021, 4 a.m. | 41.6 ppb (40) | 7.2 ppb (7) | N/A | 34.0 ppb (33) | N/A | 1.0 ppb (2) | 4.0 ppb (4) | 0.51 ppb (6) | N/A | N/A | 40.0 | |
| Feb. 22, 2021, 3 a.m. | 8.7 ppb (9) | 0.8 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.27 ppb (4) | N/A | N/A | 25.0 | |
| Feb. 22, 2021, 2 a.m. | 6.5 ppb (7) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.26 ppb (4) | N/A | N/A | 30.0 | |
| Feb. 22, 2021, 1 a.m. | 2.2 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.29 ppb (4) | N/A | N/A | 36.0 | |
| Feb. 22, 2021, midnight | 2.6 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.28 ppb (4) | N/A | N/A | 37.0 | |
| Feb. 21, 2021, 11 p.m. | 2.2 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.25 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 21, 2021, 10 p.m. | 3.5 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.22 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 21, 2021, 9 p.m. | 2.5 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.21 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 21, 2021, 8 p.m. | 8.9 ppb (9) | 2.5 ppb (3) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | 0.24 ppb (3) | N/A | N/A | 35.0 | |
| Feb. 21, 2021, 7 p.m. | 12.5 ppb (12) | 3.8 ppb (4) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.29 ppb (4) | N/A | N/A | 32.0 | |
| Feb. 21, 2021, 6 p.m. | 9.5 ppb (9) | 2.8 ppb (3) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 32.0 ppb (30) | 0.33 ppb (4) | N/A | N/A | 30.0 | |
| Feb. 21, 2021, 5 p.m. | 7.0 ppb (7) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.34 ppb (4) | N/A | N/A | 30.0 | |
| Feb. 21, 2021, 4 p.m. | 12.2 ppb (12) | 3.2 ppb (4) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.4 ppb (5) | N/A | N/A | 25.0 | |
| Feb. 21, 2021, 3 p.m. | 12.0 ppb (12) | 1.9 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.39 ppb (5) | N/A | N/A | 23.0 | |
| Feb. 21, 2021, 2 p.m. | 15.0 ppb (15) | 0.9 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.42 ppb (5) | N/A | N/A | 18.0 | |
| Feb. 21, 2021, 1 p.m. | 29.8 ppb (29) | 1.6 ppb (2) | N/A | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.57 ppb (7) | N/A | N/A | 29.0 | |
| Feb. 21, 2021, noon | 7.8 ppb (8) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.37 ppb (5) | N/A | N/A | 25.0 | |
| Feb. 21, 2021, 11 a.m. | 2.4 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.28 ppb (4) | N/A | N/A | 33.0 | |
| Feb. 21, 2021, 10 a.m. | 4.3 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.31 ppb (4) | N/A | N/A | 31.0 | |
| Feb. 21, 2021, 9 a.m. | 4.1 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.3 ppb (4) | N/A | N/A | 31.0 | |
| Feb. 21, 2021, 8 a.m. | 3.4 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.29 ppb (4) | N/A | N/A | 32.0 | |
| Feb. 21, 2021, 7 a.m. | 3.6 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.27 ppb (4) | N/A | N/A | 33.0 | |
| Feb. 21, 2021, 6 a.m. | 3.3 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.26 ppb (4) | N/A | N/A | 34.0 | |
| Feb. 21, 2021, 5 a.m. | 3.3 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.24 ppb (3) | N/A | N/A | 34.0 | |
| Feb. 21, 2021, 4 a.m. | 3.0 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.21 ppb (3) | N/A | N/A | 35.0 | |
| Feb. 21, 2021, 3 a.m. | 3.5 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.19 ppb (3) | N/A | N/A | 35.0 | |
| Feb. 21, 2021, 2 a.m. | 3.3 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.17 ppb (3) | N/A | N/A | 36.0 | |
| Feb. 21, 2021, 1 a.m. | 2.4 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.15 ppb (2) | N/A | N/A | 38.0 | |
| Feb. 21, 2021, midnight | 2.0 ppb (2) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.2 ppb (3) | N/A | N/A | 36.0 | |
| Feb. 20, 2021, 11 p.m. | 2.6 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.2 ppb (3) | N/A | N/A | 35.0 | |
| Feb. 20, 2021, 10 p.m. | 3.9 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.18 ppb (3) | N/A | N/A | 34.0 | |
| Feb. 20, 2021, 9 p.m. | 2.3 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.1 ppb (2) | N/A | N/A | 37.0 | |
| Feb. 20, 2021, 8 p.m. | 2.4 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.07 ppb (2) | N/A | N/A | 36.0 | |
| Feb. 20, 2021, 7 p.m. | 2.2 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.06 ppb (2) | N/A | N/A | 36.0 | |
| Feb. 20, 2021, 6 p.m. | 2.8 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.1 ppb (2) | N/A | N/A | 33.0 | |
| Feb. 20, 2021, 5 p.m. | 17.1 ppb (17) | 5.9 ppb (6) | N/A | 11.0 ppb (11) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.28 ppb (4) | N/A | N/A | 23.0 | |
| Feb. 20, 2021, 4 p.m. | 41.1 ppb (39) | 16.7 ppb (16) | N/A | 25.0 ppb (24) | N/A | 1.0 ppb (2) | 12.0 ppb (12) | 0.55 ppb (7) | N/A | N/A | 39.0 | |
| Feb. 20, 2021, 3 p.m. | 56.3 ppb (54) | 26.9 ppb (26) | N/A | 29.0 ppb (28) | N/A | 1.0 ppb (2) | 3.0 ppb (3) | 0.78 ppb (10) | N/A | N/A | 54.0 | |
| Feb. 20, 2021, 2 p.m. | 55.9 ppb (54) | 27.5 ppb (26) | N/A | 29.0 ppb (28) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.8 ppb (10) | N/A | N/A | 54.0 | |
| Feb. 20, 2021, 1 p.m. | 49.1 ppb (47) | 17.9 ppb (17) | N/A | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.73 ppb (8) | N/A | N/A | 47.0 | |
| Feb. 20, 2021, noon | 41.2 ppb (39) | 12.0 ppb (12) | N/A | 29.0 ppb (28) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.68 ppb (8) | N/A | N/A | 39.0 | |
| Feb. 20, 2021, 11 a.m. | 28.1 ppb (27) | 1.4 ppb (2) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.61 ppb (7) | N/A | N/A | 27.0 | |
| Feb. 20, 2021, 10 a.m. | 27.9 ppb (27) | 2.1 ppb (2) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.53 ppb (6) | N/A | N/A | 27.0 | |
| Feb. 20, 2021, 9 a.m. | 24.7 ppb (24) | 1.1 ppb (2) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.48 ppb (6) | N/A | N/A | 24.0 | |
| Feb. 20, 2021, 8 a.m. | 25.5 ppb (25) | 1.0 ppb (1) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.51 ppb (6) | N/A | N/A | 25.0 | |
| Feb. 20, 2021, 7 a.m. | 21.7 ppb (21) | 0.9 ppb (1) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.34 ppb (4) | N/A | N/A | 21.0 | |
| Feb. 20, 2021, 6 a.m. | 13.1 ppb (13) | 0.6 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.2 ppb (3) | N/A | N/A | 17.0 | |
| Feb. 20, 2021, 5 a.m. | 5.3 ppb (5) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.19 ppb (3) | N/A | N/A | 27.0 | |
| Feb. 20, 2021, 4 a.m. | 5.6 ppb (6) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.19 ppb (3) | N/A | N/A | 30.0 | |
| Feb. 20, 2021, 3 a.m. | 3.2 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.17 ppb (3) | N/A | N/A | 34.0 | |
| Feb. 20, 2021, 2 a.m. | 2.6 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.18 ppb (3) | N/A | N/A | 36.0 | |
| Feb. 20, 2021, 1 a.m. | 2.3 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.18 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 20, 2021, midnight | 5.5 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.19 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 19, 2021, 11 p.m. | 10.6 ppb (10) | 2.0 ppb (2) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.24 ppb (3) | N/A | N/A | 35.0 | |
| Feb. 19, 2021, 10 p.m. | 13.2 ppb (13) | 3.1 ppb (3) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.3 ppb (4) | N/A | N/A | 32.0 | |
| Feb. 19, 2021, 9 p.m. | 16.9 ppb (16) | 4.7 ppb (5) | N/A | 12.0 ppb (12) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | 0.34 ppb (4) | N/A | N/A | 31.0 | |
| Feb. 19, 2021, 8 p.m. | 27.1 ppb (26) | 8.8 ppb (9) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.4 ppb (5) | N/A | N/A | 26.0 | |
| Feb. 19, 2021, 7 p.m. | 28.0 ppb (27) | 9.4 ppb (9) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.34 ppb (4) | N/A | N/A | 27.0 | |
| Feb. 19, 2021, 6 p.m. | 42.7 ppb (41) | 15.9 ppb (15) | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.5 ppb (6) | N/A | N/A | 41.0 | |
| Feb. 19, 2021, 5 p.m. | 40.8 ppb (39) | 15.7 ppb (15) | N/A | 25.0 ppb (24) | N/A | 1.0 ppb (2) | 17.0 ppb (16) | 0.58 ppb (7) | N/A | N/A | 39.0 | |
| Feb. 19, 2021, 4 p.m. | 31.2 ppb (30) | 11.4 ppb (11) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.49 ppb (6) | N/A | N/A | 30.0 | |
| Feb. 19, 2021, 3 p.m. | 56.3 ppb (54) | 27.3 ppb (26) | N/A | 29.0 ppb (28) | N/A | 1.0 ppb (2) | 3.0 ppb (3) | 0.71 ppb (8) | N/A | N/A | 54.0 | |
| Feb. 19, 2021, 2 p.m. | 55.5 ppb (53) | 22.5 ppb (22) | N/A | 33.0 ppb (32) | N/A | 1.0 ppb (2) | 0.0 ppb (0) | 0.68 ppb (8) | N/A | N/A | 53.0 | |
| Feb. 19, 2021, 1 p.m. | 44.4 ppb (42) | 11.6 ppb (11) | N/A | 33.0 ppb (32) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.64 ppb (7) | N/A | N/A | 42.0 | |
| Feb. 19, 2021, noon | 41.7 ppb (40) | 7.8 ppb (8) | N/A | 34.0 ppb (33) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.63 ppb (7) | N/A | N/A | 40.0 |