Essex (N Woodward Dr) MD, US: 39.310833, -76.474444
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 18, 2021, 9 a.m. | N/A | 2.4 ppb (3) | 19.5 ppb (19) | 19.0 ppb (18) | N/A | N/A | 9.0 ppb (9) | 0.2 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 18, 2021, 8 a.m. | N/A | 2.9 ppb (3) | 22.3 ppb (22) | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.2 ppb (3) | N/A | N/A | 22.0 | |
| Jan. 18, 2021, 7 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.2 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 18, 2021, 6 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.2 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 18, 2021, 5 a.m. | N/A | 1.2 ppb (2) | 16.3 ppb (16) | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.2 ppb (3) | N/A | N/A | 16.0 | |
| Jan. 18, 2021, 4 a.m. | N/A | 0.5 ppb (1) | 14.0 ppb (14) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.2 ppb (3) | N/A | N/A | 15.0 | |
| Jan. 18, 2021, 3 a.m. | N/A | 1.1 ppb (2) | 16.8 ppb (16) | 17.0 ppb (17) | N/A | 1.0 ppb (2) | 11.0 ppb (11) | 0.2 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 18, 2021, 2 a.m. | N/A | 1.2 ppb (2) | 16.7 ppb (16) | 17.0 ppb (17) | N/A | 1.0 ppb (2) | 13.0 ppb (13) | 0.2 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 18, 2021, 1 a.m. | N/A | 1.1 ppb (2) | 18.4 ppb (18) | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.2 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 18, 2021, midnight | N/A | 0.8 ppb (1) | 13.8 ppb (14) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.2 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 17, 2021, 11 p.m. | N/A | 2.5 ppb (3) | 23.0 ppb (22) | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.3 ppb (4) | N/A | N/A | 22.0 | |
| Jan. 17, 2021, 10 p.m. | N/A | 1.1 ppb (2) | 13.1 ppb (13) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.2 ppb (3) | N/A | N/A | 16.0 | |
| Jan. 17, 2021, 9 p.m. | N/A | 0.8 ppb (1) | 7.7 ppb (8) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.2 ppb (3) | N/A | N/A | 23.0 | |
| Jan. 17, 2021, 8 p.m. | N/A | 0.9 ppb (1) | 4.9 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 17, 2021, 7 p.m. | N/A | 1.1 ppb (2) | 4.3 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 17, 2021, 6 p.m. | N/A | 1.1 ppb (2) | 4.0 ppb (4) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 17, 2021, 5 p.m. | N/A | 1.8 ppb (2) | 4.7 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.1 ppb (2) | N/A | N/A | 23.0 | |
| Jan. 17, 2021, 4 p.m. | N/A | 2.3 ppb (3) | 6.2 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.1 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 17, 2021, 3 p.m. | N/A | 3.1 ppb (3) | 8.3 ppb (8) | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.1 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 17, 2021, 2 p.m. | N/A | 3.4 ppb (4) | 11.2 ppb (11) | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 18.0 ppb (17) | 0.2 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 17, 2021, 1 p.m. | N/A | 2.0 ppb (2) | 10.5 ppb (10) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.2 ppb (3) | N/A | N/A | 16.0 | |
| Jan. 17, 2021, noon | N/A | 3.5 ppb (4) | 13.5 ppb (13) | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.2 ppb (3) | N/A | N/A | 16.0 | |
| Jan. 17, 2021, 11 a.m. | N/A | 1.6 ppb (2) | 19.9 ppb (19) | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.2 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 17, 2021, 10 a.m. | N/A | 0.9 ppb (1) | 14.7 ppb (14) | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.1 ppb (2) | N/A | N/A | 16.0 | |
| Jan. 17, 2021, 9 a.m. | N/A | 0.6 ppb (1) | 11.4 ppb (11) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.1 ppb (2) | N/A | N/A | 17.0 | |
| Jan. 17, 2021, 8 a.m. | N/A | 0.5 ppb (1) | 9.7 ppb (10) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.1 ppb (2) | N/A | N/A | 19.0 | |
| Jan. 17, 2021, 7 a.m. | N/A | 0.6 ppb (1) | 9.0 ppb (9) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.1 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 17, 2021, 6 a.m. | N/A | 0.6 ppb (1) | 8.1 ppb (8) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.1 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 17, 2021, 5 a.m. | N/A | 0.5 ppb (1) | 8.8 ppb (9) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.1 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 17, 2021, 4 a.m. | N/A | 0.5 ppb (1) | 6.0 ppb (6) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.1 ppb (2) | N/A | N/A | 24.0 | |
| Jan. 17, 2021, 3 a.m. | N/A | 0.5 ppb (1) | 6.4 ppb (7) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.1 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 17, 2021, 2 a.m. | N/A | 0.5 ppb (1) | 7.0 ppb (7) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.1 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 17, 2021, 1 a.m. | N/A | 0.4 ppb (1) | 5.0 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.1 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 17, 2021, midnight | N/A | 0.6 ppb (1) | 6.7 ppb (7) | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | 0.1 ppb (2) | N/A | N/A | 29.0 | |
| Jan. 16, 2021, 11 p.m. | N/A | 1.8 ppb (2) | 10.4 ppb (10) | 11.0 ppb (11) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 16, 2021, 10 p.m. | N/A | 0.6 ppb (1) | 6.2 ppb (6) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.2 ppb (3) | N/A | N/A | 29.0 | |
| Jan. 16, 2021, 9 p.m. | N/A | 0.6 ppb (1) | 4.9 ppb (5) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.1 ppb (2) | N/A | N/A | 32.0 | |
| Jan. 16, 2021, 8 p.m. | N/A | 0.8 ppb (1) | 4.8 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.1 ppb (2) | N/A | N/A | 33.0 | |
| Jan. 16, 2021, 7 p.m. | N/A | 0.8 ppb (1) | 4.1 ppb (4) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.1 ppb (2) | N/A | N/A | 32.0 | |
| Jan. 16, 2021, 6 p.m. | N/A | 1.5 ppb (2) | 5.3 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.1 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 16, 2021, 5 p.m. | N/A | 1.4 ppb (2) | 4.7 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.2 ppb (3) | N/A | N/A | 30.0 | |
| Jan. 16, 2021, 4 p.m. | N/A | 1.5 ppb (2) | 5.2 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.1 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 16, 2021, 3 p.m. | N/A | 1.6 ppb (2) | 5.5 ppb (6) | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | 0.1 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 16, 2021, 2 p.m. | N/A | 2.0 ppb (2) | 7.1 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.1 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 16, 2021, 1 p.m. | N/A | 3.5 ppb (4) | 13.7 ppb (13) | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.2 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 16, 2021, noon | N/A | 0.8 ppb (1) | 9.4 ppb (9) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.2 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 16, 2021, 11 a.m. | N/A | 0.4 ppb (1) | 7.8 ppb (8) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.2 ppb (3) | N/A | N/A | 21.0 | |
| Jan. 16, 2021, 10 a.m. | N/A | 0.4 ppb (1) | 8.3 ppb (8) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.2 ppb (3) | N/A | N/A | 22.0 | |
| Jan. 16, 2021, 9 a.m. | N/A | 0.2 ppb (1) | 5.6 ppb (6) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 16, 2021, 8 a.m. | N/A | 0.6 ppb (1) | 14.8 ppb (14) | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.2 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 16, 2021, 7 a.m. | N/A | 0.3 ppb (1) | 11.2 ppb (11) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.2 ppb (3) | N/A | N/A | 20.0 | |
| Jan. 16, 2021, 6 a.m. | N/A | 0.3 ppb (1) | 9.1 ppb (9) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 16, 2021, 5 a.m. | N/A | 0.2 ppb (1) | 6.2 ppb (6) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.1 ppb (2) | N/A | N/A | 29.0 | |
| Jan. 16, 2021, 4 a.m. | N/A | 0.2 ppb (1) | 6.8 ppb (7) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.2 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 16, 2021, 3 a.m. | N/A | 0.2 ppb (1) | 7.9 ppb (8) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 16, 2021, 2 a.m. | N/A | 0.2 ppb (1) | 8.2 ppb (8) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 16, 2021, 1 a.m. | N/A | 0.2 ppb (1) | 8.0 ppb (8) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.2 ppb (3) | N/A | N/A | 27.0 | |
| Jan. 16, 2021, midnight | N/A | 0.9 ppb (1) | 11.4 ppb (11) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 15, 2021, 11 p.m. | N/A | 0.5 ppb (1) | 10.0 ppb (10) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.2 ppb (3) | N/A | N/A | 26.0 | |
| Jan. 15, 2021, 10 p.m. | N/A | 0.4 ppb (1) | 9.8 ppb (10) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.2 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 15, 2021, 9 p.m. | N/A | 1.0 ppb (1) | 14.1 ppb (14) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.3 ppb (4) | N/A | N/A | 24.0 | |
| Jan. 15, 2021, 8 p.m. | N/A | 0.8 ppb (1) | 9.4 ppb (9) | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | 0.2 ppb (3) | N/A | N/A | 29.0 | |
| Jan. 15, 2021, 7 p.m. | N/A | 1.1 ppb (2) | 9.1 ppb (9) | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | 0.2 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 15, 2021, 6 p.m. | N/A | 1.8 ppb (2) | 9.0 ppb (9) | N/A | N/A | 1.0 ppb (2) | N/A | 0.2 ppb (3) | N/A | N/A | 9.0 | |
| Jan. 15, 2021, 5 p.m. | N/A | 2.6 ppb (3) | 10.5 ppb (10) | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 15, 2021, 4 p.m. | N/A | 4.2 ppb (4) | 16.2 ppb (16) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.2 ppb (3) | N/A | N/A | 20.0 | |
| Jan. 15, 2021, 3 p.m. | N/A | 3.2 ppb (4) | 19.6 ppb (19) | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.3 ppb (4) | N/A | N/A | 19.0 | |
| Jan. 15, 2021, 2 p.m. | N/A | 5.2 ppb (5) | 23.6 ppb (23) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.3 ppb (4) | N/A | N/A | 23.0 | |
| Jan. 15, 2021, 1 p.m. | N/A | 3.5 ppb (4) | 23.5 ppb (23) | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.3 ppb (4) | N/A | N/A | 23.0 | |
| Jan. 15, 2021, noon | N/A | 4.1 ppb (4) | 28.3 ppb (27) | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.3 ppb (4) | N/A | N/A | 27.0 | |
| Jan. 15, 2021, 11 a.m. | N/A | 4.3 ppb (5) | 29.7 ppb (29) | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.4 ppb (5) | N/A | N/A | 29.0 | |
| Jan. 15, 2021, 10 a.m. | N/A | 2.9 ppb (3) | 27.4 ppb (26) | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.3 ppb (4) | N/A | N/A | 26.0 | |
| Jan. 15, 2021, 9 a.m. | N/A | 11.2 ppb (11) | 41.2 ppb (39) | 27.0 ppb (26) | N/A | N/A | 2.0 ppb (2) | 0.4 ppb (5) | N/A | N/A | 39.0 | |
| Jan. 15, 2021, 8 a.m. | N/A | 14.2 ppb (14) | 45.0 ppb (43) | 28.0 ppb (27) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.4 ppb (5) | N/A | N/A | 43.0 | |
| Jan. 15, 2021, 7 a.m. | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.7 ppb (8) | N/A | N/A | 24.0 | |
| Jan. 15, 2021, 6 a.m. | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 2.0 ppb (3) | 2.0 ppb (2) | 0.8 ppb (10) | N/A | N/A | 23.0 | |
| Jan. 15, 2021, 5 a.m. | N/A | 36.2 ppb (35) | 69.0 ppb (67) | 27.0 ppb (26) | N/A | 2.0 ppb (3) | 2.0 ppb (2) | 0.9 ppb (11) | N/A | N/A | 67.0 | |
| Jan. 15, 2021, 4 a.m. | N/A | 41.0 ppb (39) | 75.6 ppb (75) | 29.0 ppb (28) | N/A | 2.0 ppb (3) | 2.0 ppb (2) | 1.0 ppb (12) | N/A | N/A | 75.0 | |
| Jan. 15, 2021, 3 a.m. | N/A | 60.7 ppb (59) | 97.8 ppb (98) | 31.0 ppb (30) | N/A | 2.0 ppb (3) | 2.0 ppb (2) | 1.1 ppb (13) | N/A | N/A | 98.0 | |
| Jan. 15, 2021, 2 a.m. | N/A | 70.5 ppb (69) | 109.3 ppb (103) | 33.0 ppb (32) | N/A | 2.0 ppb (3) | 2.0 ppb (2) | 1.0 ppb (12) | N/A | N/A | 103.0 | |
| Jan. 15, 2021, 1 a.m. | N/A | 48.8 ppb (47) | 87.6 ppb (87) | 32.0 ppb (31) | N/A | 2.0 ppb (3) | 2.0 ppb (2) | 1.0 ppb (12) | N/A | N/A | 87.0 | |
| Jan. 15, 2021, midnight | N/A | 32.8 ppb (31) | 72.1 ppb (71) | 33.0 ppb (32) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.8 ppb (10) | N/A | N/A | 71.0 | |
| Jan. 14, 2021, 11 p.m. | N/A | 15.8 ppb (15) | 53.3 ppb (51) | 33.0 ppb (32) | N/A | 1.0 ppb (2) | 3.0 ppb (3) | 0.6 ppb (7) | N/A | N/A | 51.0 | |
| Jan. 14, 2021, 10 p.m. | N/A | 1.6 ppb (2) | 24.3 ppb (23) | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.3 ppb (4) | N/A | N/A | 23.0 | |
| Jan. 14, 2021, 9 p.m. | N/A | 2.6 ppb (3) | 18.2 ppb (18) | 16.0 ppb (16) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | 0.3 ppb (4) | N/A | N/A | 24.0 | |
| Jan. 14, 2021, 8 p.m. | N/A | 3.6 ppb (4) | 16.9 ppb (16) | 12.0 ppb (12) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 14, 2021, 7 p.m. | N/A | 3.5 ppb (4) | 13.9 ppb (14) | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | 0.2 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 14, 2021, 6 p.m. | N/A | 2.3 ppb (3) | 9.8 ppb (10) | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.1 ppb (2) | N/A | N/A | 32.0 | |
| Jan. 14, 2021, 5 p.m. | N/A | 2.8 ppb (3) | 10.8 ppb (11) | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | 0.2 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 14, 2021, 4 p.m. | N/A | 25.2 ppb (24) | 46.2 ppb (44) | 19.0 ppb (18) | N/A | 1.0 ppb (2) | 14.0 ppb (13) | 0.5 ppb (6) | N/A | N/A | 44.0 | |
| Jan. 14, 2021, 3 p.m. | N/A | 54.9 ppb (52) | 86.2 ppb (86) | 27.0 ppb (26) | N/A | 2.0 ppb (3) | 3.0 ppb (3) | 0.7 ppb (8) | N/A | N/A | 86.0 | |
| Jan. 14, 2021, 2 p.m. | N/A | 54.7 ppb (52) | 82.4 ppb (82) | 24.0 ppb (23) | N/A | 2.0 ppb (3) | 3.0 ppb (3) | 0.7 ppb (8) | N/A | N/A | 82.0 | |
| Jan. 14, 2021, 1 p.m. | N/A | 68.4 ppb (67) | 95.5 ppb (96) | 23.0 ppb (22) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 1.0 ppb (12) | N/A | N/A | 96.0 | |
| Jan. 14, 2021, noon | N/A | 60.4 ppb (58) | 87.9 ppb (88) | 21.0 ppb (20) | N/A | 2.0 ppb (3) | 0.0 ppb (0) | 1.0 ppb (12) | N/A | N/A | 88.0 | |
| Jan. 14, 2021, 11 a.m. | N/A | 25.8 ppb (25) | 53.0 ppb (50) | 24.0 ppb (23) | N/A | 1.0 ppb (2) | 0.0 ppb (0) | 0.6 ppb (7) | N/A | N/A | 50.0 | |
| Jan. 14, 2021, 10 a.m. | N/A | 35.2 ppb (34) | 64.4 ppb (63) | 24.0 ppb (23) | N/A | 1.0 ppb (2) | 0.0 ppb (0) | 0.7 ppb (8) | N/A | N/A | 63.0 | |
| Jan. 14, 2021, 9 a.m. | N/A | 40.7 ppb (39) | 69.4 ppb (68) | 24.0 ppb (23) | N/A | 1.0 ppb (2) | 0.0 ppb (0) | 0.7 ppb (8) | N/A | N/A | 68.0 | |
| Jan. 14, 2021, 8 a.m. | N/A | 59.4 ppb (57) | 90.1 ppb (90) | 23.0 ppb (22) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 0.8 ppb (10) | N/A | N/A | 90.0 | |
| Jan. 14, 2021, 7 a.m. | N/A | 44.9 ppb (43) | 74.9 ppb (74) | 24.0 ppb (23) | N/A | 2.0 ppb (3) | 0.0 ppb (0) | 0.8 ppb (10) | N/A | N/A | 74.0 | |
| Jan. 14, 2021, 6 a.m. | N/A | 52.8 ppb (50) | 85.1 ppb (85) | 27.0 ppb (26) | N/A | 2.0 ppb (3) | 0.0 ppb (0) | 1.0 ppb (12) | N/A | N/A | 85.0 | |
| Jan. 14, 2021, 5 a.m. | N/A | 78.0 ppb (77) | 112.9 ppb (104) | 29.0 ppb (28) | N/A | 2.0 ppb (3) | 0.0 ppb (0) | 1.1 ppb (13) | N/A | N/A | 104.0 | |
| Jan. 14, 2021, 4 a.m. | N/A | 72.9 ppb (72) | 108.9 ppb (103) | 30.0 ppb (29) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 103.0 | |
| Jan. 14, 2021, 3 a.m. | N/A | 49.0 ppb (47) | 85.5 ppb (85) | 30.0 ppb (29) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.9 ppb (11) | N/A | N/A | 85.0 | |
| Jan. 14, 2021, 2 a.m. | N/A | 32.8 ppb (31) | 68.2 ppb (67) | 31.0 ppb (30) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.7 ppb (8) | N/A | N/A | 67.0 | |
| Jan. 14, 2021, 1 a.m. | N/A | 12.8 ppb (13) | 48.3 ppb (46) | 32.0 ppb (31) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.5 ppb (6) | N/A | N/A | 46.0 | |
| Jan. 14, 2021, midnight | N/A | 2.8 ppb (3) | 29.9 ppb (29) | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.4 ppb (5) | N/A | N/A | 29.0 | |
| Jan. 13, 2021, 11 p.m. | N/A | 1.0 ppb (1) | 20.8 ppb (20) | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.3 ppb (4) | N/A | N/A | 20.0 | |
| Jan. 13, 2021, 10 p.m. | N/A | 0.9 ppb (1) | 13.9 ppb (14) | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 13, 2021, 9 p.m. | N/A | 1.0 ppb (1) | 8.8 ppb (9) | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | 0.2 ppb (3) | N/A | N/A | 31.0 | |
| Jan. 13, 2021, 8 p.m. | N/A | 1.1 ppb (2) | 6.8 ppb (7) | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | 0.1 ppb (2) | N/A | N/A | 34.0 | |
| Jan. 13, 2021, 7 p.m. | N/A | 2.3 ppb (3) | 9.0 ppb (9) | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | 0.1 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 13, 2021, 6 p.m. | N/A | 6.3 ppb (6) | 18.9 ppb (18) | 12.0 ppb (12) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 13, 2021, 5 p.m. | N/A | 12.3 ppb (12) | 30.3 ppb (29) | 18.0 ppb (17) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | 0.2 ppb (3) | N/A | N/A | 29.0 | |
| Jan. 13, 2021, 4 p.m. | N/A | 9.9 ppb (10) | 25.7 ppb (25) | 16.0 ppb (16) | N/A | 1.0 ppb (2) | N/A | 0.2 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 13, 2021, 3 p.m. | N/A | 45.0 ppb (43) | 76.7 ppb (76) | 31.0 ppb (30) | N/A | 3.0 ppb (5) | N/A | 0.4 ppb (5) | N/A | N/A | 76.0 | |
| Jan. 13, 2021, 2 p.m. | N/A | 149.8 ppb (111) | 192.8 ppb (119) | 40.0 ppb (38) | N/A | 5.0 ppb (8) | 2.0 ppb (2) | 0.9 ppb (11) | N/A | N/A | 119.0 | |
| Jan. 13, 2021, 1 p.m. | N/A | 207.4 ppb (122) | 251.2 ppb (130) | 39.0 ppb (37) | N/A | 6.0 ppb (9) | N/A | 1.6 ppb (19) | N/A | N/A | 130.0 | |
| Jan. 13, 2021, noon | N/A | 202.0 ppb (121) | 242.7 ppb (128) | 32.0 ppb (31) | N/A | 5.0 ppb (8) | N/A | 1.6 ppb (19) | N/A | N/A | 128.0 | |
| Jan. 13, 2021, 11 a.m. | N/A | 182.2 ppb (117) | 220.1 ppb (124) | 31.0 ppb (30) | N/A | 5.0 ppb (8) | N/A | 1.4 ppb (16) | N/A | N/A | 124.0 | |
| Jan. 13, 2021, 10 a.m. | N/A | 167.5 ppb (114) | 207.1 ppb (122) | 32.0 ppb (31) | N/A | 4.0 ppb (6) | 1.0 ppb (1) | 1.4 ppb (16) | N/A | N/A | 122.0 | |
| Jan. 13, 2021, 9 a.m. | N/A | 134.0 ppb (108) | 167.0 ppb (114) | 26.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 114.0 | |
| Jan. 13, 2021, 8 a.m. | N/A | 110.2 ppb (103) | 143.3 ppb (110) | 26.0 ppb (25) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 110.0 | |
| Jan. 13, 2021, 7 a.m. | N/A | N/A | N/A | 27.0 ppb (26) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.2 ppb (14) | N/A | N/A | 26.0 | |
| Jan. 13, 2021, 6 a.m. | N/A | N/A | N/A | 27.0 ppb (26) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 26.0 | |
| Jan. 13, 2021, 5 a.m. | N/A | 103.9 ppb (102) | 138.0 ppb (108) | 28.0 ppb (27) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 108.0 | |
| Jan. 13, 2021, 4 a.m. | N/A | 75.0 ppb (74) | 109.6 ppb (103) | 28.0 ppb (27) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 103.0 | |
| Jan. 13, 2021, 3 a.m. | N/A | 96.6 ppb (97) | 132.6 ppb (107) | 29.0 ppb (28) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.2 ppb (14) | N/A | N/A | 107.0 | |
| Jan. 13, 2021, 2 a.m. | N/A | 80.7 ppb (80) | 116.1 ppb (104) | 28.0 ppb (27) | N/A | 2.0 ppb (3) | 2.0 ppb (2) | 1.0 ppb (12) | N/A | N/A | 104.0 | |
| Jan. 13, 2021, 1 a.m. | N/A | 39.8 ppb (38) | 73.6 ppb (72) | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.8 ppb (10) | N/A | N/A | 72.0 | |
| Jan. 13, 2021, midnight | N/A | 20.0 ppb (19) | 54.4 ppb (52) | 29.0 ppb (28) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.6 ppb (7) | N/A | N/A | 52.0 | |
| Jan. 12, 2021, 11 p.m. | N/A | 11.2 ppb (11) | 44.2 ppb (42) | 30.0 ppb (29) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.7 ppb (8) | N/A | N/A | 42.0 | |
| Jan. 12, 2021, 10 p.m. | N/A | 7.0 ppb (7) | 36.8 ppb (35) | 29.0 ppb (28) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.5 ppb (6) | N/A | N/A | 35.0 | |
| Jan. 12, 2021, 9 p.m. | N/A | 2.5 ppb (3) | 20.1 ppb (19) | 18.0 ppb (17) | N/A | 1.0 ppb (2) | 17.0 ppb (16) | 0.3 ppb (4) | N/A | N/A | 19.0 | |
| Jan. 12, 2021, 8 p.m. | N/A | 1.5 ppb (2) | 8.1 ppb (8) | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.1 ppb (2) | N/A | N/A | 32.0 | |
| Jan. 12, 2021, 7 p.m. | N/A | 1.9 ppb (2) | 8.4 ppb (8) | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | 0.1 ppb (2) | N/A | N/A | 29.0 | |
| Jan. 12, 2021, 6 p.m. | N/A | 2.3 ppb (3) | 8.8 ppb (9) | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (28) | 0.1 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 12, 2021, 5 p.m. | N/A | 3.2 ppb (4) | 10.4 ppb (10) | 6.0 ppb (6) | N/A | 1.0 ppb (2) | N/A | 0.1 ppb (2) | N/A | N/A | 10.0 | |
| Jan. 12, 2021, 4 p.m. | N/A | 3.4 ppb (4) | 11.3 ppb (11) | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | 0.1 ppb (2) | N/A | N/A | 24.0 | |
| Jan. 12, 2021, 3 p.m. | N/A | 3.4 ppb (4) | 11.0 ppb (11) | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.2 ppb (3) | N/A | N/A | 23.0 | |
| Jan. 12, 2021, 2 p.m. | N/A | 41.1 ppb (39) | 63.2 ppb (61) | 20.0 ppb (19) | N/A | 2.0 ppb (3) | 11.0 ppb (11) | 0.4 ppb (5) | N/A | N/A | 61.0 | |
| Jan. 12, 2021, 1 p.m. | N/A | 151.6 ppb (111) | 191.6 ppb (119) | 31.0 ppb (30) | N/A | 5.0 ppb (8) | N/A | 1.3 ppb (15) | N/A | N/A | 119.0 | |
| Jan. 12, 2021, noon | N/A | 169.1 ppb (114) | 208.4 ppb (122) | 29.0 ppb (28) | N/A | 5.0 ppb (8) | 1.0 ppb (1) | 1.8 ppb (21) | N/A | N/A | 122.0 | |
| Jan. 12, 2021, 11 a.m. | N/A | 135.3 ppb (108) | 169.1 ppb (114) | 28.0 ppb (27) | N/A | 4.0 ppb (6) | 1.0 ppb (1) | 1.2 ppb (14) | N/A | N/A | 114.0 | |
| Jan. 12, 2021, 10 a.m. | N/A | 131.9 ppb (107) | 165.2 ppb (114) | 28.0 ppb (27) | N/A | 4.0 ppb (6) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 114.0 | |
| Jan. 12, 2021, 9 a.m. | N/A | 133.7 ppb (108) | 166.4 ppb (114) | N/A | N/A | 4.0 ppb (6) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 114.0 | |
| Jan. 12, 2021, 8 a.m. | N/A | 114.3 ppb (104) | 148.7 ppb (111) | 25.0 ppb (24) | N/A | N/A | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 111.0 | |
| Jan. 12, 2021, 7 a.m. | N/A | 109.9 ppb (103) | 141.8 ppb (109) | 23.0 ppb (22) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | N/A | N/A | N/A | 109.0 | |
| Jan. 12, 2021, 6 a.m. | N/A | 85.9 ppb (85) | 122.1 ppb (105) | 25.0 ppb (24) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.0 ppb (12) | N/A | N/A | 105.0 | |
| Jan. 12, 2021, 5 a.m. | N/A | 145.6 ppb (110) | 181.9 ppb (117) | 24.0 ppb (23) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.2 ppb (14) | N/A | N/A | 117.0 | |
| Jan. 12, 2021, 4 a.m. | N/A | 100.7 ppb (101) | 133.4 ppb (108) | 22.0 ppb (21) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.4 ppb (16) | N/A | N/A | 108.0 | |
| Jan. 12, 2021, 3 a.m. | N/A | 93.3 ppb (93) | 125.5 ppb (106) | 24.0 ppb (23) | N/A | 3.0 ppb (5) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 106.0 | |
| Jan. 12, 2021, 2 a.m. | N/A | 88.7 ppb (88) | 121.5 ppb (105) | 24.0 ppb (23) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 1.1 ppb (13) | N/A | N/A | 105.0 | |
| Jan. 12, 2021, 1 a.m. | N/A | 62.5 ppb (61) | 95.9 ppb (96) | 25.0 ppb (24) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.9 ppb (11) | N/A | N/A | 96.0 | |
| Jan. 12, 2021, midnight | N/A | 29.9 ppb (29) | 62.4 ppb (60) | 26.0 ppb (25) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.8 ppb (10) | N/A | N/A | 60.0 | |
| Jan. 11, 2021, 11 p.m. | N/A | 17.8 ppb (17) | 48.8 ppb (47) | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.7 ppb (8) | N/A | N/A | 47.0 | |
| Jan. 11, 2021, 10 p.m. | N/A | 3.5 ppb (4) | 26.5 ppb (25) | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.4 ppb (5) | N/A | N/A | 25.0 | |
| Jan. 11, 2021, 9 p.m. | N/A | 4.6 ppb (5) | 17.7 ppb (17) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.2 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 11, 2021, 8 p.m. | N/A | 2.4 ppb (3) | 14.6 ppb (14) | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.2 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 11, 2021, 7 p.m. | N/A | 2.5 ppb (3) | 14.2 ppb (14) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.2 ppb (3) | N/A | N/A | 19.0 | |
| Jan. 11, 2021, 6 p.m. | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.2 ppb (3) | N/A | N/A | 21.0 | |
| Jan. 11, 2021, 5 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.2 ppb (3) | N/A | N/A | 20.0 | |
| Jan. 11, 2021, 4 p.m. | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.3 ppb (4) | N/A | N/A | 16.0 | |
| Jan. 11, 2021, 3 p.m. | N/A | N/A | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.3 ppb (4) | N/A | N/A | 16.0 | |
| Jan. 11, 2021, 2 p.m. | N/A | 20.7 ppb (20) | 44.8 ppb (43) | 24.0 ppb (23) | N/A | 1.0 ppb (2) | N/A | 0.4 ppb (5) | N/A | N/A | 43.0 | |
| Jan. 11, 2021, 1 p.m. | N/A | 30.5 ppb (29) | 59.3 ppb (57) | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.6 ppb (7) | N/A | N/A | 57.0 | |
| Jan. 11, 2021, noon | N/A | 39.9 ppb (38) | 67.5 ppb (66) | 25.0 ppb (24) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 0.9 ppb (11) | N/A | N/A | 66.0 | |
| Jan. 11, 2021, 11 a.m. | N/A | 54.0 ppb (51) | 81.7 ppb (81) | 26.0 ppb (25) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 1.2 ppb (14) | N/A | N/A | 81.0 | |
| Jan. 11, 2021, 10 a.m. | N/A | 82.4 ppb (82) | 113.5 ppb (104) | 26.0 ppb (25) | N/A | 2.0 ppb (3) | 1.0 ppb (1) | 0.8 ppb (10) | N/A | N/A | 104.0 |