Seattle (N Beacon Hill) WA, US: 47.568236, -122.308628
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 20, 2020, 7 a.m. | N/A | 0.1 ppb (0) | 2.9 ppb (3) | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (26) | 0.15 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 20, 2020, 6 a.m. | N/A | 0.2 ppb (0) | 2.8 ppb (3) | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (26) | 0.14 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 20, 2020, 5 a.m. | N/A | 0.1 ppb (0) | 2.3 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Jan. 20, 2020, 4 a.m. | N/A | 0.2 ppb (0) | 6.8 ppb (6) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.19 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 20, 2020, 3 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.22 ppb (2) | N/A | N/A | 14.0 | |
| Jan. 20, 2020, 2 a.m. | N/A | 12.3 ppb (11) | 39.9 ppb (37) | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 0.26 ppb (3) | N/A | N/A | 37.0 | |
| Jan. 20, 2020, 1 a.m. | N/A | 17.0 ppb (16) | 41.9 ppb (39) | 26.0 ppb (24) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.37 ppb (4) | N/A | N/A | 39.0 | |
| Jan. 20, 2020, midnight | N/A | 9.9 ppb (9) | 32.5 ppb (30) | 23.0 ppb (21) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.48 ppb (5) | N/A | N/A | 30.0 | |
| Jan. 19, 2020, 11 p.m. | N/A | 18.8 ppb (17) | 42.8 ppb (40) | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.29 ppb (3) | N/A | N/A | 40.0 | |
| Jan. 19, 2020, 10 p.m. | N/A | 19.7 ppb (18) | 41.6 ppb (39) | 23.0 ppb (21) | N/A | 1.0 ppb (1) | 7.0 ppb (5) | 0.29 ppb (3) | N/A | N/A | 39.0 | |
| Jan. 19, 2020, 9 p.m. | N/A | 8.7 ppb (8) | 21.1 ppb (20) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.24 ppb (3) | N/A | N/A | 20.0 | |
| Jan. 19, 2020, 8 p.m. | N/A | 1.7 ppb (2) | 7.9 ppb (7) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.27 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 19, 2020, 7 p.m. | N/A | 1.3 ppb (1) | 8.4 ppb (8) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.21 ppb (2) | N/A | N/A | 18.0 | |
| Jan. 19, 2020, 6 p.m. | N/A | 12.7 ppb (12) | 35.4 ppb (33) | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.33 ppb (4) | N/A | N/A | 33.0 | |
| Jan. 19, 2020, 5 p.m. | N/A | 3.4 ppb (3) | 11.7 ppb (11) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.2 ppb (2) | N/A | N/A | 18.0 | |
| Jan. 19, 2020, 4 p.m. | N/A | 0.4 ppb (0) | 5.6 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.17 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 19, 2020, 3 p.m. | N/A | 0.2 ppb (0) | 3.9 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.16 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 19, 2020, 2 p.m. | N/A | 0.1 ppb (0) | 2.5 ppb (2) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.14 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 19, 2020, 1 p.m. | N/A | 0.1 ppb (0) | 4.5 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.16 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 19, 2020, noon | N/A | 0.1 ppb (0) | 6.7 ppb (6) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.19 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 19, 2020, 11 a.m. | N/A | 0.1 ppb (0) | 5.2 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.18 ppb (2) | N/A | N/A | 16.0 | |
| Jan. 19, 2020, 10 a.m. | N/A | 0.1 ppb (0) | 6.4 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.19 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 19, 2020, 9 a.m. | N/A | 0.1 ppb (0) | 3.2 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.15 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 19, 2020, 8 a.m. | N/A | 0.1 ppb (0) | 2.0 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.16 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 19, 2020, 7 a.m. | N/A | 0.1 ppb (0) | 1.9 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.15 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 19, 2020, 6 a.m. | N/A | 0.1 ppb (0) | 2.3 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.16 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 19, 2020, 5 a.m. | N/A | 0.1 ppb (0) | 4.0 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.19 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 19, 2020, 4 a.m. | N/A | 0.2 ppb (0) | 3.9 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.18 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 19, 2020, 3 a.m. | N/A | 0.1 ppb (0) | 3.9 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 19, 2020, 2 a.m. | N/A | 0.2 ppb (0) | 6.3 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.25 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 19, 2020, 1 a.m. | N/A | 1.4 ppb (1) | 16.8 ppb (16) | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.28 ppb (3) | N/A | N/A | 16.0 | |
| Jan. 19, 2020, midnight | N/A | 0.2 ppb (0) | 9.3 ppb (9) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.2 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 18, 2020, 11 p.m. | N/A | 0.6 ppb (1) | 5.8 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.2 ppb (2) | N/A | N/A | 23.0 | |
| Jan. 18, 2020, 10 p.m. | N/A | 1.8 ppb (2) | 11.4 ppb (11) | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.21 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 18, 2020, 9 p.m. | N/A | 5.0 ppb (5) | 20.7 ppb (19) | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.28 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 18, 2020, 8 p.m. | N/A | 7.1 ppb (7) | 22.7 ppb (21) | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.3 ppb (3) | N/A | N/A | 21.0 | |
| Jan. 18, 2020, 7 p.m. | N/A | 4.6 ppb (4) | 17.8 ppb (16) | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.27 ppb (3) | N/A | N/A | 16.0 | |
| Jan. 18, 2020, 6 p.m. | N/A | 4.7 ppb (4) | 19.7 ppb (18) | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.27 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 18, 2020, 5 p.m. | N/A | 1.7 ppb (2) | 14.8 ppb (14) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.24 ppb (3) | N/A | N/A | 14.0 | |
| Jan. 18, 2020, 4 p.m. | N/A | 0.4 ppb (0) | 8.7 ppb (8) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.19 ppb (2) | N/A | N/A | 18.0 | |
| Jan. 18, 2020, 3 p.m. | N/A | 0.4 ppb (0) | 7.3 ppb (7) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.17 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 18, 2020, 2 p.m. | N/A | 0.2 ppb (0) | 3.4 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.14 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 18, 2020, 1 p.m. | N/A | 0.1 ppb (0) | 1.3 ppb (1) | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.13 ppb (1) | N/A | N/A | 27.0 | |
| Jan. 18, 2020, noon | N/A | 0.1 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.14 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 18, 2020, 11 a.m. | N/A | 0.0 ppb (0) | 0.8 ppb (1) | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.13 ppb (1) | N/A | N/A | 28.0 | |
| Jan. 18, 2020, 10 a.m. | N/A | 0.1 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.13 ppb (1) | N/A | N/A | 27.0 | |
| Jan. 18, 2020, 9 a.m. | N/A | 0.1 ppb (0) | 2.3 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.14 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 18, 2020, 8 a.m. | N/A | 0.2 ppb (0) | 3.5 ppb (3) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.15 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 18, 2020, 7 a.m. | N/A | 0.1 ppb (0) | 2.5 ppb (2) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.14 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 18, 2020, 6 a.m. | N/A | 0.1 ppb (0) | 2.9 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.15 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 18, 2020, 5 a.m. | N/A | 0.1 ppb (0) | 2.5 ppb (2) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.15 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 18, 2020, 4 a.m. | N/A | 0.2 ppb (0) | 3.2 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.17 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 18, 2020, 3 a.m. | N/A | 0.2 ppb (0) | 4.6 ppb (4) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.2 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 18, 2020, 2 a.m. | N/A | 0.2 ppb (0) | 6.4 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.23 ppb (3) | N/A | N/A | 21.0 | |
| Jan. 18, 2020, 1 a.m. | N/A | 1.4 ppb (1) | 22.4 ppb (21) | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.32 ppb (4) | N/A | N/A | 21.0 | |
| Jan. 18, 2020, midnight | N/A | 1.2 ppb (1) | 25.2 ppb (23) | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.29 ppb (3) | N/A | N/A | 23.0 | |
| Jan. 17, 2020, 11 p.m. | N/A | 1.3 ppb (1) | 16.8 ppb (16) | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.22 ppb (2) | N/A | N/A | 16.0 | |
| Jan. 17, 2020, 10 p.m. | N/A | 3.8 ppb (4) | 20.7 ppb (19) | N/A | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.25 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 17, 2020, 8 p.m. | N/A | 9.5 ppb (9) | 29.9 ppb (28) | N/A | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.3 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 7 p.m. | N/A | 12.2 ppb (11) | 30.1 ppb (28) | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.27 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 6 p.m. | N/A | 5.2 ppb (5) | 17.8 ppb (16) | 12.0 ppb (11) | N/A | N/A | 17.0 ppb (13) | 0.28 ppb (3) | N/A | N/A | 16.0 | |
| Jan. 17, 2020, 5 p.m. | N/A | 11.9 ppb (11) | 30.6 ppb (28) | 16.0 ppb (15) | N/A | N/A | 13.0 ppb (10) | 0.3 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 4 p.m. | N/A | 16.1 ppb (15) | 40.4 ppb (37) | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.39 ppb (4) | N/A | N/A | 37.0 | |
| Jan. 17, 2020, 3 p.m. | N/A | 2.8 ppb (3) | 20.2 ppb (19) | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.25 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 17, 2020, 2 p.m. | N/A | 2.6 ppb (2) | 23.6 ppb (22) | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.24 ppb (3) | N/A | N/A | 22.0 | |
| Jan. 17, 2020, 1 p.m. | N/A | 7.2 ppb (7) | 30.1 ppb (28) | 23.0 ppb (21) | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.21 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 17, 2020, noon | N/A | 7.7 ppb (7) | 27.8 ppb (26) | 20.0 ppb (19) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.2 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 17, 2020, 11 a.m. | N/A | 0.9 ppb (1) | 17.1 ppb (16) | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.19 ppb (2) | N/A | N/A | 16.0 | |
| Jan. 17, 2020, 10 a.m. | N/A | 2.2 ppb (2) | 16.4 ppb (15) | 15.0 ppb (14) | N/A | 0.0 ppb (0) | N/A | 0.16 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 17, 2020, 9 a.m. | N/A | 0.1 ppb (0) | 5.1 ppb (5) | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | 0.15 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 17, 2020, 8 a.m. | N/A | 1.7 ppb (2) | 15.5 ppb (14) | 14.0 ppb (13) | N/A | N/A | 18.0 ppb (14) | 0.2 ppb (2) | N/A | N/A | 14.0 | |
| Jan. 17, 2020, 7 a.m. | N/A | 0.3 ppb (0) | 9.9 ppb (9) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 17, 2020, 6 a.m. | N/A | 1.9 ppb (2) | 20.0 ppb (19) | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.26 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 17, 2020, 5 a.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.25 ppb (3) | N/A | N/A | 15.0 | |
| Jan. 17, 2020, 4 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.34 ppb (4) | N/A | N/A | 20.0 | |
| Jan. 17, 2020, 3 a.m. | N/A | 1.5 ppb (1) | 23.1 ppb (21) | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.32 ppb (4) | N/A | N/A | 21.0 | |
| Jan. 17, 2020, 2 a.m. | N/A | 0.5 ppb (0) | 20.7 ppb (19) | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.25 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 17, 2020, 1 a.m. | N/A | 0.2 ppb (0) | 8.4 ppb (8) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.17 ppb (2) | N/A | N/A | 23.0 | |
| Jan. 17, 2020, midnight | N/A | 0.6 ppb (1) | 14.5 ppb (13) | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.24 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 16, 2020, 11 p.m. | N/A | 0.6 ppb (1) | 4.9 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.16 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 16, 2020, 10 p.m. | N/A | 0.9 ppb (1) | 5.3 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.16 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 16, 2020, 9 p.m. | N/A | 1.0 ppb (1) | 4.5 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 16, 2020, 8 p.m. | N/A | 1.1 ppb (1) | 6.1 ppb (6) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.16 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 16, 2020, 7 p.m. | N/A | 4.2 ppb (4) | 14.6 ppb (14) | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.2 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 16, 2020, 6 p.m. | N/A | 5.9 ppb (5) | 20.9 ppb (19) | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.24 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 16, 2020, 5 p.m. | N/A | 4.3 ppb (4) | 19.0 ppb (18) | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.24 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 16, 2020, 4 p.m. | N/A | 0.7 ppb (1) | 9.9 ppb (9) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.21 ppb (2) | N/A | N/A | 18.0 | |
| Jan. 16, 2020, 3 p.m. | N/A | 0.4 ppb (0) | 9.9 ppb (9) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.23 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 16, 2020, 2 p.m. | N/A | 0.2 ppb (0) | 7.3 ppb (7) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.18 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 16, 2020, 1 p.m. | N/A | 0.1 ppb (0) | 5.6 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.16 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 16, 2020, noon | N/A | 3.0 ppb (3) | 18.0 ppb (17) | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.17 ppb (2) | N/A | N/A | 17.0 | |
| Jan. 16, 2020, 11 a.m. | N/A | 0.4 ppb (0) | 5.2 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.15 ppb (2) | N/A | N/A | 24.0 | |
| Jan. 16, 2020, 10 a.m. | N/A | 0.1 ppb (0) | 2.1 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.14 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 16, 2020, 9 a.m. | N/A | 0.1 ppb (0) | 2.2 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.15 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 16, 2020, 8 a.m. | N/A | 0.1 ppb (0) | 1.8 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.14 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 16, 2020, 7 a.m. | N/A | 0.1 ppb (0) | 1.7 ppb (2) | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (28) | 0.15 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 16, 2020, 6 a.m. | N/A | 0.1 ppb (0) | 1.4 ppb (1) | 1.0 ppb (1) | N/A | N/A | 36.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 16, 2020, 5 a.m. | N/A | 0.1 ppb (0) | 1.7 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Jan. 16, 2020, 4 a.m. | N/A | 0.1 ppb (0) | 1.7 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 16, 2020, 3 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 16, 2020, 2 a.m. | N/A | 0.1 ppb (0) | 1.8 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.15 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 16, 2020, 1 a.m. | N/A | 0.2 ppb (0) | 2.2 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.15 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 16, 2020, midnight | N/A | 0.1 ppb (0) | 2.0 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.15 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 15, 2020, 11 p.m. | N/A | 0.4 ppb (0) | 4.5 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.16 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 15, 2020, 10 p.m. | N/A | 0.2 ppb (0) | 3.6 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 15, 2020, 9 p.m. | N/A | 0.3 ppb (0) | 4.1 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.16 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 15, 2020, 8 p.m. | N/A | 0.5 ppb (0) | 6.2 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.17 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 15, 2020, 7 p.m. | N/A | 0.5 ppb (0) | 5.0 ppb (5) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.17 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 15, 2020, 6 p.m. | N/A | 1.2 ppb (1) | 7.4 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.17 ppb (2) | N/A | N/A | 24.0 | |
| Jan. 15, 2020, 5 p.m. | N/A | 0.9 ppb (1) | 7.1 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.18 ppb (2) | N/A | N/A | 24.0 | |
| Jan. 15, 2020, 4 p.m. | N/A | 0.3 ppb (0) | 5.3 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.16 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 15, 2020, 3 p.m. | N/A | 0.1 ppb (0) | 4.0 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.15 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 15, 2020, 2 p.m. | N/A | 1.4 ppb (1) | 13.9 ppb (13) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.17 ppb (2) | N/A | N/A | 23.0 | |
| Jan. 15, 2020, 1 p.m. | N/A | 1.6 ppb (1) | 14.1 ppb (13) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.17 ppb (2) | N/A | N/A | 23.0 | |
| Jan. 15, 2020, noon | N/A | 0.9 ppb (1) | 13.1 ppb (12) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.16 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 15, 2020, 11 a.m. | N/A | 0.8 ppb (1) | 7.9 ppb (7) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.15 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 15, 2020, 10 a.m. | N/A | 0.1 ppb (0) | 5.0 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | N/A | 0.15 ppb (2) | N/A | N/A | 5.0 | |
| Jan. 15, 2020, 9 a.m. | N/A | 0.1 ppb (0) | 4.5 ppb (4) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 15, 2020, 8 a.m. | N/A | 0.1 ppb (0) | 5.2 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.15 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 15, 2020, 7 a.m. | N/A | 0.1 ppb (0) | 3.8 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.15 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 15, 2020, 6 a.m. | N/A | 0.1 ppb (0) | 4.2 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 15, 2020, 5 a.m. | N/A | 0.1 ppb (0) | 5.6 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.16 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 15, 2020, 4 a.m. | N/A | 0.5 ppb (0) | 11.8 ppb (11) | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.2 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 15, 2020, 3 a.m. | N/A | 0.1 ppb (0) | 11.3 ppb (10) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.19 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 15, 2020, 2 a.m. | N/A | 0.3 ppb (0) | 12.0 ppb (11) | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.2 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 15, 2020, 1 a.m. | N/A | 0.3 ppb (0) | 10.3 ppb (10) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.21 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 15, 2020, midnight | N/A | 1.2 ppb (1) | 13.2 ppb (12) | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.22 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, 11 p.m. | N/A | 1.8 ppb (2) | 9.5 ppb (9) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 14, 2020, 10 p.m. | N/A | 2.1 ppb (2) | 8.7 ppb (8) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.19 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 14, 2020, 9 p.m. | N/A | 1.8 ppb (2) | 10.3 ppb (10) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.2 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 14, 2020, 8 p.m. | N/A | 1.7 ppb (2) | 13.8 ppb (13) | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.21 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, 7 p.m. | N/A | 2.0 ppb (2) | 13.7 ppb (13) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.22 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, 6 p.m. | N/A | 1.3 ppb (1) | 13.7 ppb (13) | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.22 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, 5 p.m. | N/A | 1.5 ppb (1) | 15.5 ppb (14) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.24 ppb (3) | N/A | N/A | 14.0 | |
| Jan. 14, 2020, 4 p.m. | N/A | 0.5 ppb (0) | 10.2 ppb (9) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.21 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, 3 p.m. | N/A | 0.1 ppb (0) | 6.2 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.17 ppb (2) | N/A | N/A | 18.0 | |
| Jan. 14, 2020, 2 p.m. | N/A | 0.1 ppb (0) | 5.8 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.15 ppb (2) | N/A | N/A | 18.0 | |
| Jan. 14, 2020, 1 p.m. | N/A | 0.0 ppb (0) | 4.7 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.16 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 14, 2020, noon | N/A | 0.1 ppb (0) | 5.0 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.15 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 14, 2020, 11 a.m. | N/A | 0.1 ppb (0) | 4.6 ppb (4) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.15 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 14, 2020, 10 a.m. | N/A | 0.1 ppb (0) | 3.9 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | 0.14 ppb (2) | N/A | N/A | 4.0 | |
| Jan. 14, 2020, 9 a.m. | N/A | 0.1 ppb (0) | 4.1 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.15 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 14, 2020, 8 a.m. | N/A | 0.1 ppb (0) | 4.8 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.16 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 14, 2020, 7 a.m. | N/A | 0.1 ppb (0) | 5.3 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.16 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 14, 2020, 6 a.m. | N/A | 0.1 ppb (0) | 5.0 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.16 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 14, 2020, 5 a.m. | N/A | 0.1 ppb (0) | 4.7 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.16 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 14, 2020, 4 a.m. | N/A | 0.2 ppb (0) | 7.9 ppb (7) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.18 ppb (2) | N/A | N/A | 18.0 | |
| Jan. 14, 2020, 3 a.m. | N/A | 0.2 ppb (0) | 11.0 ppb (10) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.2 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, 2 a.m. | N/A | 0.2 ppb (0) | 11.1 ppb (10) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.2 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, 1 a.m. | N/A | 0.3 ppb (0) | 11.1 ppb (10) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.21 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 14, 2020, midnight | N/A | 0.5 ppb (0) | 11.8 ppb (11) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.21 ppb (2) | N/A | N/A | 14.0 | |
| Jan. 13, 2020, 11 p.m. | N/A | 1.8 ppb (2) | 16.2 ppb (15) | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.24 ppb (3) | N/A | N/A | 15.0 | |
| Jan. 13, 2020, 10 p.m. | N/A | 2.9 ppb (3) | 17.9 ppb (17) | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.24 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 13, 2020, 9 p.m. | N/A | 2.5 ppb (2) | 20.7 ppb (19) | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.22 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 13, 2020, 8 p.m. | N/A | 1.9 ppb (2) | 15.7 ppb (15) | 14.0 ppb (13) | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | N/A | N/A | 15.0 | |
| Jan. 13, 2020, 7 p.m. | N/A | 1.2 ppb (1) | 11.7 ppb (11) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.19 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 13, 2020, 6 p.m. | N/A | 3.3 ppb (3) | 22.7 ppb (21) | 20.0 ppb (19) | N/A | 1.0 ppb (1) | N/A | 0.22 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 13, 2020, 5 p.m. | N/A | 1.2 ppb (1) | 14.6 ppb (14) | 14.0 ppb (13) | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | N/A | N/A | 14.0 | |
| Jan. 13, 2020, 4 p.m. | N/A | 0.8 ppb (1) | 12.2 ppb (11) | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.21 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 13, 2020, 3 p.m. | N/A | 1.4 ppb (1) | 21.0 ppb (19) | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.22 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 13, 2020, 2 p.m. | N/A | 0.3 ppb (0) | 14.2 ppb (13) | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.19 ppb (2) | N/A | N/A | 14.0 | |
| Jan. 13, 2020, 1 p.m. | N/A | 0.1 ppb (0) | 6.8 ppb (6) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.16 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 13, 2020, noon | N/A | 0.1 ppb (0) | 5.9 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.14 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 13, 2020, 11 a.m. | N/A | 0.1 ppb (0) | 2.9 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.14 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 13, 2020, 10 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.14 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 13, 2020, 9 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.14 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 13, 2020, 8 a.m. | N/A | 0.1 ppb (0) | 3.1 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 13, 2020, 7 a.m. | N/A | 0.1 ppb (0) | 1.7 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 |