Pasadena (S) CA, US: 34.13263, -118.127142
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 24, 2021, 11 p.m. | 13.9 ppb (14) | 1.1 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 52.0 ppb (49) | 0.29 ppb (4) | N/A | N/A | 49.0 | |
| Feb. 24, 2021, 10 p.m. | 12.1 ppb (12) | 1.1 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 60.0 ppb (68) | 0.3 ppb (4) | N/A | N/A | 68.0 | |
| Feb. 24, 2021, 9 p.m. | 15.3 ppb (15) | 2.0 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 54.0 ppb (50) | 0.3 ppb (4) | N/A | N/A | 50.0 | |
| Feb. 24, 2021, 8 p.m. | 19.1 ppb (19) | 2.9 ppb (3) | N/A | 16.0 ppb (16) | N/A | N/A | 49.0 ppb (46) | 0.33 ppb (4) | N/A | N/A | 46.0 | |
| Feb. 24, 2021, 7 p.m. | 15.0 ppb (15) | 2.5 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 47.0 ppb (44) | 0.31 ppb (4) | N/A | N/A | 44.0 | |
| Feb. 24, 2021, 6 p.m. | 14.7 ppb (14) | 2.8 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 42.0 ppb (39) | 0.3 ppb (4) | N/A | N/A | 39.0 | |
| Feb. 24, 2021, 5 p.m. | 14.7 ppb (14) | 3.2 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | 37.0 ppb (35) | 0.28 ppb (4) | N/A | N/A | 35.0 | |
| Feb. 24, 2021, 4 p.m. | 25.3 ppb (24) | 7.3 ppb (7) | N/A | 18.0 ppb (17) | N/A | N/A | 22.0 ppb (21) | 0.37 ppb (5) | N/A | N/A | 24.0 | |
| Feb. 24, 2021, 3 p.m. | 64.4 ppb (63) | 33.0 ppb (32) | N/A | 32.0 ppb (31) | N/A | N/A | 6.0 ppb (6) | 0.66 ppb (8) | N/A | N/A | 63.0 | |
| Feb. 24, 2021, 2 p.m. | 51.6 ppb (49) | 18.9 ppb (18) | N/A | 33.0 ppb (32) | N/A | N/A | 1.0 ppb (1) | 0.5 ppb (6) | N/A | N/A | 49.0 | |
| Feb. 24, 2021, 1 p.m. | 34.1 ppb (33) | 3.7 ppb (4) | N/A | 31.0 ppb (30) | N/A | N/A | 3.0 ppb (3) | 0.4 ppb (5) | N/A | N/A | 33.0 | |
| Feb. 24, 2021, noon | 27.4 ppb (26) | 1.4 ppb (2) | N/A | 26.0 ppb (25) | N/A | N/A | 6.0 ppb (6) | 0.34 ppb (4) | N/A | N/A | 26.0 | |
| Feb. 24, 2021, 11 a.m. | 29.2 ppb (28) | 1.3 ppb (2) | N/A | 28.0 ppb (27) | N/A | N/A | 7.0 ppb (7) | 0.35 ppb (4) | N/A | N/A | 28.0 | |
| Feb. 24, 2021, 10 a.m. | 37.3 ppb (36) | 4.2 ppb (4) | N/A | 33.0 ppb (32) | N/A | N/A | 2.0 ppb (2) | 0.45 ppb (6) | N/A | N/A | 36.0 | |
| Feb. 24, 2021, 9 a.m. | 36.5 ppb (35) | 1.4 ppb (2) | N/A | 35.0 ppb (34) | N/A | N/A | 5.0 ppb (5) | 0.48 ppb (6) | N/A | N/A | 35.0 | |
| Feb. 24, 2021, 8 a.m. | 37.1 ppb (35) | 1.6 ppb (2) | N/A | 36.0 ppb (34) | N/A | N/A | 4.0 ppb (4) | 0.56 ppb (7) | N/A | N/A | 35.0 | |
| Feb. 24, 2021, 7 a.m. | 44.3 ppb (42) | 3.5 ppb (4) | N/A | 41.0 ppb (39) | N/A | N/A | 3.0 ppb (3) | 0.6 ppb (7) | N/A | N/A | 42.0 | |
| Feb. 24, 2021, 6 a.m. | 41.3 ppb (39) | 1.9 ppb (2) | N/A | 39.0 ppb (37) | N/A | N/A | 4.0 ppb (4) | 0.6 ppb (7) | N/A | N/A | 39.0 | |
| Feb. 24, 2021, 5 a.m. | 27.8 ppb (27) | 0.4 ppb (1) | N/A | 27.0 ppb (26) | N/A | N/A | 17.0 ppb (16) | 0.48 ppb (6) | N/A | N/A | 27.0 | |
| Feb. 24, 2021, 4 a.m. | 17.9 ppb (17) | 0.2 ppb (1) | N/A | 18.0 ppb (17) | N/A | N/A | 26.0 ppb (25) | 0.38 ppb (5) | N/A | N/A | 25.0 | |
| Feb. 24, 2021, 3 a.m. | 15.6 ppb (15) | 0.1 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 31.0 ppb (29) | 0.34 ppb (4) | N/A | N/A | 29.0 | |
| Feb. 24, 2021, 2 a.m. | 11.9 ppb (12) | 0.0 ppb (0) | N/A | 12.0 ppb (12) | N/A | N/A | 40.0 ppb (38) | 0.31 ppb (4) | N/A | N/A | 38.0 | |
| Feb. 24, 2021, 1 a.m. | 9.8 ppb (10) | 0.2 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 46.0 ppb (43) | 0.27 ppb (4) | N/A | N/A | 43.0 | |
| Feb. 24, 2021, midnight | 12.5 ppb (12) | 0.6 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 47.0 ppb (44) | 0.27 ppb (4) | N/A | N/A | 44.0 | |
| Feb. 23, 2021, 11 p.m. | 21.9 ppb (21) | 2.3 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 43.0 ppb (40) | 0.36 ppb (5) | N/A | N/A | 40.0 | |
| Feb. 23, 2021, 10 p.m. | 19.6 ppb (19) | 2.6 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 47.0 ppb (44) | 0.34 ppb (4) | N/A | N/A | 44.0 | |
| Feb. 23, 2021, 9 p.m. | 17.5 ppb (17) | 3.0 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 45.0 ppb (42) | 0.29 ppb (4) | N/A | N/A | 42.0 | |
| Feb. 23, 2021, 8 p.m. | 9.6 ppb (10) | 1.7 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 46.0 ppb (43) | 0.23 ppb (3) | N/A | N/A | 43.0 | |
| Feb. 23, 2021, 7 p.m. | 9.2 ppb (9) | 1.9 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 43.0 ppb (40) | 0.22 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 23, 2021, 6 p.m. | 10.4 ppb (10) | 2.6 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 36.0 ppb (34) | 0.22 ppb (3) | N/A | N/A | 34.0 | |
| Feb. 23, 2021, 5 p.m. | 13.4 ppb (13) | 3.7 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 31.0 ppb (29) | 0.24 ppb (3) | N/A | N/A | 29.0 | |
| Feb. 23, 2021, 4 p.m. | 34.9 ppb (33) | 12.5 ppb (12) | N/A | 22.0 ppb (21) | N/A | N/A | 16.0 ppb (15) | 0.41 ppb (5) | N/A | N/A | 33.0 | |
| Feb. 23, 2021, 3 p.m. | 53.0 ppb (50) | 19.6 ppb (19) | N/A | 34.0 ppb (33) | N/A | N/A | 6.0 ppb (6) | 0.52 ppb (6) | N/A | N/A | 50.0 | |
| Feb. 23, 2021, 2 p.m. | 47.3 ppb (45) | 13.0 ppb (13) | N/A | 34.0 ppb (33) | N/A | N/A | 2.0 ppb (2) | 0.42 ppb (5) | N/A | N/A | 45.0 | |
| Feb. 23, 2021, 1 p.m. | 38.1 ppb (36) | 5.8 ppb (6) | N/A | 33.0 ppb (32) | N/A | N/A | 1.0 ppb (1) | 0.36 ppb (5) | N/A | N/A | 36.0 | |
| Feb. 23, 2021, noon | 34.0 ppb (33) | 3.4 ppb (4) | N/A | 31.0 ppb (30) | N/A | N/A | 3.0 ppb (3) | 0.3 ppb (4) | N/A | N/A | 33.0 | |
| Feb. 23, 2021, 11 a.m. | 29.3 ppb (28) | 1.4 ppb (2) | N/A | 28.0 ppb (27) | N/A | N/A | 6.0 ppb (6) | 0.31 ppb (4) | N/A | N/A | 28.0 | |
| Feb. 23, 2021, 10 a.m. | 31.6 ppb (30) | 1.9 ppb (2) | N/A | 30.0 ppb (29) | N/A | N/A | 4.0 ppb (4) | 0.36 ppb (5) | N/A | N/A | 30.0 | |
| Feb. 23, 2021, 9 a.m. | 39.8 ppb (38) | 5.7 ppb (6) | N/A | 34.0 ppb (33) | N/A | N/A | 3.0 ppb (3) | 0.47 ppb (6) | N/A | N/A | 38.0 | |
| Feb. 20, 2021, 6 a.m. | 57.2 ppb (55) | 15.9 ppb (15) | N/A | 41.0 ppb (39) | N/A | N/A | 2.0 ppb (2) | 0.82 ppb (10) | N/A | N/A | 55.0 | |
| Feb. 20, 2021, 5 a.m. | 45.8 ppb (44) | 3.1 ppb (3) | N/A | 43.0 ppb (41) | N/A | N/A | 3.0 ppb (3) | 0.75 ppb (10) | N/A | N/A | 44.0 | |
| Feb. 20, 2021, 4 a.m. | 36.0 ppb (34) | 1.2 ppb (2) | N/A | 35.0 ppb (34) | N/A | N/A | 8.0 ppb (8) | 0.62 ppb (7) | N/A | N/A | 34.0 | |
| Feb. 20, 2021, 3 a.m. | 25.1 ppb (24) | 0.3 ppb (1) | N/A | 25.0 ppb (24) | N/A | N/A | 22.0 ppb (21) | 0.48 ppb (6) | N/A | N/A | 24.0 | |
| Feb. 20, 2021, 2 a.m. | 17.6 ppb (17) | 0.2 ppb (1) | N/A | 18.0 ppb (17) | N/A | N/A | 32.0 ppb (30) | 0.38 ppb (5) | N/A | N/A | 30.0 | |
| Feb. 20, 2021, 1 a.m. | 19.9 ppb (19) | 0.3 ppb (1) | N/A | 20.0 ppb (19) | N/A | N/A | 36.0 ppb (34) | 0.38 ppb (5) | N/A | N/A | 34.0 | |
| Feb. 20, 2021, midnight | 21.3 ppb (21) | 1.2 ppb (2) | N/A | 20.0 ppb (19) | N/A | N/A | 39.0 ppb (37) | 0.39 ppb (5) | N/A | N/A | 37.0 | |
| Feb. 19, 2021, 11 p.m. | 26.9 ppb (26) | 3.1 ppb (3) | N/A | 24.0 ppb (23) | N/A | N/A | 39.0 ppb (37) | 0.42 ppb (5) | N/A | N/A | 37.0 | |
| Feb. 19, 2021, 10 p.m. | 20.5 ppb (20) | 2.9 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 44.0 ppb (41) | 0.36 ppb (5) | N/A | N/A | 41.0 | |
| Feb. 19, 2021, 9 p.m. | 14.2 ppb (14) | 2.1 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 48.0 ppb (45) | 0.31 ppb (4) | N/A | N/A | 45.0 | |
| Feb. 19, 2021, 8 p.m. | 13.5 ppb (13) | 2.3 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 46.0 ppb (43) | 0.29 ppb (4) | N/A | N/A | 43.0 | |
| Feb. 19, 2021, 7 p.m. | 15.9 ppb (15) | 3.6 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | 40.0 ppb (38) | 0.34 ppb (4) | N/A | N/A | 38.0 | |
| Feb. 19, 2021, 6 p.m. | 12.2 ppb (12) | 2.7 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 38.0 ppb (36) | 0.3 ppb (4) | N/A | N/A | 36.0 | |
| Feb. 19, 2021, 5 p.m. | 10.6 ppb (10) | 2.2 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 36.0 ppb (34) | 0.27 ppb (4) | N/A | N/A | 34.0 | |
| Feb. 19, 2021, 4 p.m. | 21.6 ppb (21) | 5.8 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | 28.0 ppb (26) | 0.35 ppb (4) | N/A | N/A | 26.0 | |
| Feb. 19, 2021, 3 p.m. | 74.8 ppb (74) | 38.8 ppb (37) | N/A | 36.0 ppb (34) | N/A | N/A | 3.0 ppb (3) | 0.67 ppb (8) | N/A | N/A | 74.0 | |
| Feb. 19, 2021, 2 p.m. | 61.7 ppb (60) | 24.8 ppb (24) | N/A | 37.0 ppb (35) | N/A | N/A | 1.0 ppb (1) | 0.51 ppb (6) | N/A | N/A | 60.0 | |
| Feb. 19, 2021, 1 p.m. | 52.6 ppb (50) | 16.9 ppb (16) | N/A | 36.0 ppb (34) | N/A | N/A | 1.0 ppb (1) | 0.39 ppb (5) | N/A | N/A | 50.0 | |
| Feb. 19, 2021, noon | 42.7 ppb (41) | 8.2 ppb (8) | N/A | 35.0 ppb (34) | N/A | N/A | 1.0 ppb (1) | 0.36 ppb (5) | N/A | N/A | 41.0 | |
| Feb. 19, 2021, 11 a.m. | 36.6 ppb (35) | 4.5 ppb (5) | N/A | 32.0 ppb (31) | N/A | N/A | 2.0 ppb (2) | 0.35 ppb (4) | N/A | N/A | 35.0 | |
| Feb. 19, 2021, 10 a.m. | 27.1 ppb (26) | 1.1 ppb (2) | N/A | 26.0 ppb (25) | N/A | N/A | 9.0 ppb (9) | 0.34 ppb (4) | N/A | N/A | 26.0 | |
| Feb. 19, 2021, 9 a.m. | 34.5 ppb (33) | 2.7 ppb (3) | N/A | 32.0 ppb (31) | N/A | N/A | 6.0 ppb (6) | 0.43 ppb (5) | N/A | N/A | 33.0 | |
| Feb. 19, 2021, 8 a.m. | 46.3 ppb (44) | 9.6 ppb (10) | N/A | 37.0 ppb (35) | N/A | N/A | 1.0 ppb (1) | 0.58 ppb (7) | N/A | N/A | 44.0 | |
| Feb. 19, 2021, 7 a.m. | 41.9 ppb (40) | 4.8 ppb (5) | N/A | 37.0 ppb (35) | N/A | N/A | 2.0 ppb (2) | 0.54 ppb (6) | N/A | N/A | 40.0 | |
| Feb. 19, 2021, 6 a.m. | 32.8 ppb (31) | 0.9 ppb (1) | N/A | 32.0 ppb (31) | N/A | N/A | 6.0 ppb (6) | 0.47 ppb (6) | N/A | N/A | 31.0 | |
| Feb. 19, 2021, 5 a.m. | 28.7 ppb (28) | 0.8 ppb (1) | N/A | 28.0 ppb (27) | N/A | N/A | 10.0 ppb (10) | 0.45 ppb (6) | N/A | N/A | 28.0 | |
| Feb. 19, 2021, 4 a.m. | 22.6 ppb (22) | 0.4 ppb (1) | N/A | 22.0 ppb (21) | N/A | N/A | 21.0 ppb (20) | 0.39 ppb (5) | N/A | N/A | 22.0 | |
| Feb. 19, 2021, 3 a.m. | 11.3 ppb (11) | 0.1 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 35.0 ppb (33) | 0.29 ppb (4) | N/A | N/A | 33.0 | |
| Feb. 19, 2021, 2 a.m. | 6.4 ppb (7) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 43.0 ppb (40) | 0.22 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 19, 2021, 1 a.m. | 7.5 ppb (8) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 44.0 ppb (41) | 0.24 ppb (3) | N/A | N/A | 41.0 | |
| Feb. 19, 2021, midnight | 6.6 ppb (7) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 46.0 ppb (43) | 0.22 ppb (3) | N/A | N/A | 43.0 | |
| Feb. 18, 2021, 11 p.m. | 8.4 ppb (8) | 0.7 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 47.0 ppb (44) | 0.25 ppb (3) | N/A | N/A | 44.0 | |
| Feb. 18, 2021, 10 p.m. | 10.0 ppb (10) | 1.4 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 46.0 ppb (43) | 0.26 ppb (4) | N/A | N/A | 43.0 | |
| Feb. 18, 2021, 9 p.m. | 8.8 ppb (9) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 45.0 ppb (42) | 0.26 ppb (4) | N/A | N/A | 42.0 | |
| Feb. 18, 2021, 8 p.m. | 8.7 ppb (9) | 1.5 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 45.0 ppb (42) | 0.24 ppb (3) | N/A | N/A | 42.0 | |
| Feb. 18, 2021, 7 p.m. | 11.0 ppb (11) | 2.2 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 41.0 ppb (38) | 0.25 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 18, 2021, 6 p.m. | 6.9 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 42.0 ppb (39) | 0.24 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 18, 2021, 5 p.m. | 10.0 ppb (10) | 1.9 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 38.0 ppb (36) | 0.27 ppb (4) | N/A | N/A | 36.0 | |
| Feb. 18, 2021, 4 p.m. | 20.6 ppb (20) | 4.8 ppb (5) | N/A | 16.0 ppb (16) | N/A | N/A | 23.0 ppb (22) | 0.34 ppb (4) | N/A | N/A | 22.0 | |
| Feb. 18, 2021, 3 p.m. | 40.7 ppb (39) | 11.7 ppb (12) | N/A | 29.0 ppb (28) | N/A | N/A | 7.0 ppb (7) | 0.45 ppb (6) | N/A | N/A | 39.0 | |
| Feb. 18, 2021, 2 p.m. | 52.6 ppb (50) | 17.7 ppb (17) | N/A | 35.0 ppb (34) | N/A | N/A | 2.0 ppb (2) | 0.47 ppb (6) | N/A | N/A | 50.0 | |
| Feb. 18, 2021, 1 p.m. | 40.8 ppb (39) | 8.5 ppb (9) | N/A | 32.0 ppb (31) | N/A | N/A | 2.0 ppb (2) | 0.34 ppb (4) | N/A | N/A | 39.0 | |
| Feb. 18, 2021, noon | 43.2 ppb (41) | 10.3 ppb (10) | N/A | 33.0 ppb (32) | N/A | N/A | 1.0 ppb (1) | 0.35 ppb (4) | N/A | N/A | 41.0 | |
| Feb. 18, 2021, 11 a.m. | 42.5 ppb (41) | 10.2 ppb (10) | N/A | 32.0 ppb (31) | N/A | N/A | 1.0 ppb (1) | 0.38 ppb (5) | N/A | N/A | 41.0 | |
| Feb. 18, 2021, 10 a.m. | 41.4 ppb (40) | 8.6 ppb (9) | N/A | 33.0 ppb (32) | N/A | N/A | 1.0 ppb (1) | 0.4 ppb (5) | N/A | N/A | 40.0 | |
| Feb. 18, 2021, 9 a.m. | 35.0 ppb (34) | 3.4 ppb (4) | N/A | 32.0 ppb (31) | N/A | N/A | 2.0 ppb (2) | 0.42 ppb (5) | N/A | N/A | 34.0 | |
| Feb. 18, 2021, 8 a.m. | 32.8 ppb (31) | 2.4 ppb (3) | N/A | 31.0 ppb (30) | N/A | N/A | 4.0 ppb (4) | 0.45 ppb (6) | N/A | N/A | 31.0 | |
| Feb. 18, 2021, 7 a.m. | 35.9 ppb (34) | 2.9 ppb (3) | N/A | 33.0 ppb (32) | N/A | N/A | 3.0 ppb (3) | 0.46 ppb (6) | N/A | N/A | 34.0 | |
| Feb. 18, 2021, 6 a.m. | 25.8 ppb (25) | 0.8 ppb (1) | N/A | 25.0 ppb (24) | N/A | N/A | 8.0 ppb (8) | 0.39 ppb (5) | N/A | N/A | 25.0 | |
| Feb. 18, 2021, 5 a.m. | 22.1 ppb (21) | 0.3 ppb (1) | N/A | 22.0 ppb (21) | N/A | N/A | 15.0 ppb (14) | 0.36 ppb (5) | N/A | N/A | 21.0 | |
| Feb. 18, 2021, 4 a.m. | 18.9 ppb (18) | 0.3 ppb (1) | N/A | 19.0 ppb (18) | N/A | N/A | 21.0 ppb (20) | 0.33 ppb (4) | N/A | N/A | 20.0 | |
| Feb. 18, 2021, 3 a.m. | 24.2 ppb (23) | 0.5 ppb (1) | N/A | 24.0 ppb (23) | N/A | N/A | 16.0 ppb (15) | 0.41 ppb (5) | N/A | N/A | 23.0 | |
| Feb. 18, 2021, 2 a.m. | 12.6 ppb (12) | 0.1 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 29.0 ppb (27) | 0.28 ppb (4) | N/A | N/A | 27.0 | |
| Feb. 18, 2021, 1 a.m. | 10.1 ppb (10) | 0.2 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 36.0 ppb (34) | 0.23 ppb (3) | N/A | N/A | 34.0 | |
| Feb. 18, 2021, midnight | 4.6 ppb (5) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (39) | 0.18 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 17, 2021, 11 p.m. | 5.7 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (40) | 0.19 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 17, 2021, 10 p.m. | 2.3 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | 0.15 ppb (2) | N/A | N/A | 41.0 | |
| Feb. 17, 2021, 9 p.m. | 2.5 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (42) | 0.15 ppb (2) | N/A | N/A | 42.0 | |
| Feb. 17, 2021, 8 p.m. | 13.1 ppb (13) | 3.2 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 36.0 ppb (34) | 0.28 ppb (4) | N/A | N/A | 34.0 | |
| Feb. 17, 2021, 7 p.m. | 14.3 ppb (14) | 3.8 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | 32.0 ppb (30) | 0.28 ppb (4) | N/A | N/A | 30.0 | |
| Feb. 17, 2021, 6 p.m. | 15.0 ppb (15) | 4.3 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 29.0 ppb (27) | 0.27 ppb (4) | N/A | N/A | 27.0 | |
| Feb. 17, 2021, 5 p.m. | 12.9 ppb (13) | 3.5 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 28.0 ppb (26) | 0.25 ppb (3) | N/A | N/A | 26.0 | |
| Feb. 17, 2021, 4 p.m. | 19.9 ppb (19) | 5.8 ppb (6) | N/A | 14.0 ppb (14) | N/A | N/A | 20.0 ppb (19) | 0.28 ppb (4) | N/A | N/A | 19.0 | |
| Feb. 17, 2021, 3 p.m. | 45.5 ppb (43) | 19.8 ppb (19) | N/A | 26.0 ppb (25) | N/A | N/A | 7.0 ppb (7) | 0.44 ppb (5) | N/A | N/A | 43.0 | |
| Feb. 17, 2021, 2 p.m. | 43.8 ppb (42) | 15.2 ppb (15) | N/A | 29.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | 0.39 ppb (5) | N/A | N/A | 42.0 | |
| Feb. 17, 2021, 1 p.m. | 36.3 ppb (35) | 8.3 ppb (8) | N/A | 28.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | 0.32 ppb (4) | N/A | N/A | 35.0 | |
| Feb. 17, 2021, noon | 28.6 ppb (27) | 3.4 ppb (4) | N/A | 25.0 ppb (24) | N/A | N/A | 3.0 ppb (3) | 0.29 ppb (4) | N/A | N/A | 27.0 | |
| Feb. 17, 2021, 11 a.m. | 21.3 ppb (21) | 0.7 ppb (1) | N/A | 21.0 ppb (20) | N/A | N/A | 8.0 ppb (8) | 0.27 ppb (4) | N/A | N/A | 21.0 | |
| Feb. 17, 2021, 10 a.m. | 16.6 ppb (16) | 0.5 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 13.0 ppb (13) | 0.26 ppb (4) | N/A | N/A | 16.0 | |
| Feb. 17, 2021, 9 a.m. | 14.5 ppb (14) | 0.2 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 15.0 ppb (14) | 0.27 ppb (4) | N/A | N/A | 14.0 | |
| Feb. 17, 2021, 8 a.m. | 13.6 ppb (13) | 0.3 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 18.0 ppb (17) | 0.26 ppb (4) | N/A | N/A | 17.0 | |
| Feb. 17, 2021, 7 a.m. | 4.2 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (37) | 0.17 ppb (3) | N/A | N/A | 37.0 | |
| Feb. 17, 2021, 6 a.m. | 3.2 ppb (4) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.17 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 17, 2021, 5 a.m. | 4.4 ppb (5) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (38) | 0.17 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 17, 2021, 4 a.m. | 3.2 ppb (4) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.16 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 17, 2021, 3 a.m. | 4.1 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (38) | 0.17 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 17, 2021, 2 a.m. | 4.3 ppb (5) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 43.0 ppb (40) | 0.17 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 17, 2021, 1 a.m. | 3.4 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (41) | 0.17 ppb (3) | N/A | N/A | 41.0 | |
| Feb. 17, 2021, midnight | 2.5 ppb (3) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (42) | 0.16 ppb (3) | N/A | N/A | 42.0 | |
| Feb. 16, 2021, 11 p.m. | 2.5 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (44) | 0.16 ppb (3) | N/A | N/A | 44.0 | |
| Feb. 16, 2021, 10 p.m. | 5.8 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 46.0 ppb (43) | 0.2 ppb (3) | N/A | N/A | 43.0 | |
| Feb. 16, 2021, 9 p.m. | 6.5 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 43.0 ppb (40) | 0.22 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 16, 2021, 8 p.m. | 8.5 ppb (9) | 1.6 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 39.0 ppb (37) | 0.26 ppb (4) | N/A | N/A | 37.0 | |
| Feb. 16, 2021, 7 p.m. | 19.7 ppb (19) | 5.2 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | 30.0 ppb (28) | 0.36 ppb (5) | N/A | N/A | 28.0 | |
| Feb. 16, 2021, 6 p.m. | 18.9 ppb (18) | 5.9 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | 25.0 ppb (24) | 0.33 ppb (4) | N/A | N/A | 24.0 | |
| Feb. 16, 2021, 5 p.m. | 11.0 ppb (11) | 2.7 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 26.0 ppb (25) | 0.27 ppb (4) | N/A | N/A | 25.0 | |
| Feb. 16, 2021, 4 p.m. | 6.2 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (26) | 0.21 ppb (3) | N/A | N/A | 26.0 | |
| Feb. 16, 2021, 3 p.m. | 7.8 ppb (8) | 0.8 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 19.0 ppb (18) | 0.23 ppb (3) | N/A | N/A | 18.0 | |
| Feb. 16, 2021, 2 p.m. | 7.7 ppb (8) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 17.0 ppb (16) | 0.22 ppb (3) | N/A | N/A | 16.0 | |
| Feb. 16, 2021, 1 p.m. | 6.0 ppb (6) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 22.0 ppb (21) | 0.21 ppb (3) | N/A | N/A | 21.0 | |
| Feb. 16, 2021, noon | 7.2 ppb (7) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 19.0 ppb (18) | 0.2 ppb (3) | N/A | N/A | 18.0 | |
| Feb. 16, 2021, 11 a.m. | 9.4 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 15.0 ppb (14) | 0.24 ppb (3) | N/A | N/A | 14.0 | |
| Feb. 16, 2021, 10 a.m. | 8.6 ppb (9) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 19.0 ppb (18) | 0.22 ppb (3) | N/A | N/A | 18.0 | |
| Feb. 16, 2021, 9 a.m. | 7.9 ppb (8) | 0.2 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 25.0 ppb (24) | 0.21 ppb (3) | N/A | N/A | 24.0 | |
| Feb. 16, 2021, 8 a.m. | 11.8 ppb (12) | 0.3 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 22.0 ppb (21) | 0.27 ppb (4) | N/A | N/A | 21.0 | |
| Feb. 16, 2021, 7 a.m. | 13.4 ppb (13) | 0.3 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 20.0 ppb (19) | 0.29 ppb (4) | N/A | N/A | 19.0 | |
| Feb. 16, 2021, 6 a.m. | 13.4 ppb (13) | 0.4 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 17.0 ppb (16) | 0.29 ppb (4) | N/A | N/A | 16.0 | |
| Feb. 16, 2021, 5 a.m. | 11.1 ppb (11) | 0.3 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 24.0 ppb (23) | 0.25 ppb (3) | N/A | N/A | 23.0 | |
| Feb. 16, 2021, 4 a.m. | 9.6 ppb (10) | 0.2 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 28.0 ppb (26) | 0.25 ppb (3) | N/A | N/A | 26.0 | |
| Feb. 16, 2021, 3 a.m. | 13.8 ppb (14) | 0.3 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 22.0 ppb (21) | 0.28 ppb (4) | N/A | N/A | 21.0 | |
| Feb. 16, 2021, 2 a.m. | 15.2 ppb (15) | 0.3 ppb (1) | N/A | 15.0 ppb (15) | N/A | N/A | 24.0 ppb (23) | 0.26 ppb (4) | N/A | N/A | 23.0 | |
| Feb. 16, 2021, 1 a.m. | 15.0 ppb (15) | 0.4 ppb (1) | N/A | 15.0 ppb (15) | N/A | N/A | 27.0 ppb (25) | 0.25 ppb (3) | N/A | N/A | 25.0 | |
| Feb. 16, 2021, midnight | 12.5 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 31.0 ppb (29) | 0.24 ppb (3) | N/A | N/A | 29.0 | |
| Feb. 15, 2021, 11 p.m. | 16.0 ppb (16) | 2.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 32.0 ppb (30) | 0.3 ppb (4) | N/A | N/A | 30.0 | |
| Feb. 15, 2021, 10 p.m. | 12.7 ppb (12) | 2.1 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 34.0 ppb (32) | 0.29 ppb (4) | N/A | N/A | 32.0 | |
| Feb. 15, 2021, 9 p.m. | 9.9 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 36.0 ppb (34) | 0.27 ppb (4) | N/A | N/A | 34.0 | |
| Feb. 15, 2021, 8 p.m. | 6.3 ppb (6) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 38.0 ppb (36) | 0.21 ppb (3) | N/A | N/A | 36.0 | |
| Feb. 15, 2021, 7 p.m. | 6.0 ppb (6) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 36.0 ppb (34) | 0.19 ppb (3) | N/A | N/A | 34.0 | |
| Feb. 15, 2021, 6 p.m. | 8.7 ppb (9) | 1.8 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 31.0 ppb (29) | 0.21 ppb (3) | N/A | N/A | 29.0 | |
| Feb. 15, 2021, 5 p.m. | 18.1 ppb (18) | 4.5 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | 20.0 ppb (19) | 0.31 ppb (4) | N/A | N/A | 19.0 | |
| Feb. 15, 2021, 4 p.m. | 25.8 ppb (25) | 6.2 ppb (6) | N/A | 20.0 ppb (19) | N/A | N/A | 12.0 ppb (12) | 0.36 ppb (5) | N/A | N/A | 25.0 | |
| Feb. 15, 2021, 3 p.m. | 39.9 ppb (38) | 13.0 ppb (13) | N/A | 27.0 ppb (26) | N/A | N/A | 4.0 ppb (4) | 0.45 ppb (6) | N/A | N/A | 38.0 | |
| Feb. 15, 2021, 2 p.m. | 32.4 ppb (31) | 6.2 ppb (6) | N/A | 26.0 ppb (25) | N/A | N/A | 2.0 ppb (2) | 0.37 ppb (5) | N/A | N/A | 31.0 | |
| Feb. 15, 2021, 1 p.m. | 26.5 ppb (25) | 2.5 ppb (3) | N/A | 24.0 ppb (23) | N/A | N/A | 4.0 ppb (4) | 0.32 ppb (4) | N/A | N/A | 25.0 | |
| Feb. 15, 2021, noon | 23.2 ppb (22) | 1.6 ppb (2) | N/A | 22.0 ppb (21) | N/A | N/A | 7.0 ppb (7) | 0.29 ppb (4) | N/A | N/A | 22.0 | |
| Feb. 15, 2021, 11 a.m. | 16.0 ppb (16) | 0.5 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 13.0 ppb (13) | 0.28 ppb (4) | N/A | N/A | 16.0 | |
| Feb. 15, 2021, 10 a.m. | 13.4 ppb (13) | 0.6 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 16.0 ppb (15) | 0.27 ppb (4) | N/A | N/A | 15.0 | |
| Feb. 15, 2021, 9 a.m. | 10.7 ppb (11) | 0.2 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 23.0 ppb (22) | 0.27 ppb (4) | N/A | N/A | 22.0 | |
| Feb. 15, 2021, 8 a.m. | 8.5 ppb (9) | 0.2 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 25.0 ppb (24) | 0.22 ppb (3) | N/A | N/A | 24.0 | |
| Feb. 15, 2021, 7 a.m. | 3.6 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.17 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 15, 2021, 6 a.m. | 4.5 ppb (5) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (37) | 0.18 ppb (3) | N/A | N/A | 37.0 | |
| Feb. 15, 2021, 5 a.m. | 4.4 ppb (5) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.19 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 15, 2021, 4 a.m. | 3.7 ppb (4) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (38) | 0.18 ppb (3) | N/A | N/A | 38.0 | |
| Feb. 15, 2021, 3 a.m. | 3.6 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.18 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 15, 2021, 2 a.m. | 3.5 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | 0.18 ppb (3) | N/A | N/A | 40.0 | |
| Feb. 15, 2021, 1 a.m. | 2.9 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.18 ppb (3) | N/A | N/A | 39.0 | |
| Feb. 15, 2021, midnight | 2.3 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | 0.17 ppb (3) | N/A | N/A | 41.0 | |
| Feb. 14, 2021, 11 p.m. | 1.4 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 45.0 ppb (42) | 0.15 ppb (2) | N/A | N/A | 42.0 | |
| Feb. 14, 2021, 10 p.m. | 1.6 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 44.0 ppb (41) | 0.15 ppb (2) | N/A | N/A | 41.0 |