Allen Park (Goddard Rd) MI, US: 42.2283, -83.2092
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 24, 2020, 6 a.m. | N/A | N/A | 22.2 ppb (21) | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.0 ppb (0) | N/A | 15.2 μg/m3 (57) | 57.0 | |
| Jan. 24, 2020, 5 a.m. | N/A | N/A | 21.7 ppb (20) | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 15.5 μg/m3 (57) | 57.0 | |
| Jan. 24, 2020, 4 a.m. | N/A | N/A | 24.0 ppb (22) | N/A | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 14.7 μg/m3 (56) | 56.0 | |
| Jan. 24, 2020, 3 a.m. | N/A | N/A | 28.7 ppb (27) | N/A | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.0 ppb (0) | N/A | 13.5 μg/m3 (53) | 53.0 | |
| Jan. 24, 2020, 2 a.m. | N/A | N/A | 33.1 ppb (31) | N/A | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| Jan. 24, 2020, 1 a.m. | N/A | N/A | 30.3 ppb (28) | N/A | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.0 ppb (0) | N/A | 15.4 μg/m3 (57) | 57.0 | |
| Jan. 24, 2020, midnight | N/A | N/A | 23.2 ppb (21) | N/A | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Jan. 23, 2020, 11 p.m. | N/A | N/A | 18.6 ppb (17) | N/A | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.0 ppb (0) | N/A | 12.7 μg/m3 (51) | 51.0 | |
| Jan. 23, 2020, 10 p.m. | N/A | N/A | 17.6 ppb (16) | N/A | N/A | 2.0 ppb (3) | 18.0 ppb (14) | 0.0 ppb (0) | N/A | 12.1 μg/m3 (50) | 50.0 | |
| Jan. 23, 2020, 9 p.m. | N/A | N/A | 19.2 ppb (18) | N/A | N/A | 2.0 ppb (3) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 13.2 μg/m3 (53) | 53.0 | |
| Jan. 23, 2020, 8 p.m. | N/A | N/A | 19.5 ppb (18) | N/A | N/A | 2.0 ppb (3) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 12.2 μg/m3 (50) | 50.0 | |
| Jan. 23, 2020, 7 p.m. | N/A | N/A | 17.5 ppb (16) | N/A | N/A | 3.0 ppb (4) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 23, 2020, 6 p.m. | N/A | N/A | 16.2 ppb (15) | N/A | N/A | 3.0 ppb (4) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| Jan. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Jan. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.0 ppb (0) | N/A | 14.8 μg/m3 (56) | 56.0 | |
| Jan. 23, 2020, 2 p.m. | N/A | N/A | 61.9 ppb (58) | N/A | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.0 ppb (0) | N/A | 15.5 μg/m3 (57) | 58.0 | |
| Jan. 23, 2020, 1 p.m. | N/A | N/A | 54.9 ppb (51) | N/A | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 14.4 μg/m3 (55) | 55.0 | |
| Jan. 23, 2020, noon | N/A | N/A | 39.2 ppb (36) | N/A | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 13.1 μg/m3 (52) | 52.0 | |
| Jan. 23, 2020, 11 a.m. | N/A | N/A | 25.8 ppb (24) | N/A | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| Jan. 23, 2020, 10 a.m. | N/A | N/A | 19.7 ppb (18) | N/A | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 10.3 μg/m3 (43) | 43.0 | |
| Jan. 23, 2020, 9 a.m. | N/A | N/A | 18.2 ppb (17) | N/A | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.0 ppb (0) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 23, 2020, 8 a.m. | N/A | N/A | 18.2 ppb (17) | N/A | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| Jan. 23, 2020, 7 a.m. | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| Jan. 23, 2020, 6 a.m. | N/A | N/A | 15.4 ppb (14) | N/A | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.0 ppb (0) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 23, 2020, 5 a.m. | N/A | N/A | 14.8 ppb (14) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| Jan. 23, 2020, 4 a.m. | N/A | N/A | 21.4 ppb (20) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 23, 2020, 3 a.m. | N/A | N/A | 40.8 ppb (38) | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 10.3 μg/m3 (43) | 43.0 | |
| Jan. 23, 2020, 2 a.m. | N/A | N/A | 44.5 ppb (41) | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 9.4 μg/m3 (39) | 41.0 | |
| Jan. 23, 2020, 1 a.m. | N/A | N/A | 28.7 ppb (27) | N/A | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.0 ppb (0) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| Jan. 23, 2020, midnight | N/A | N/A | 26.6 ppb (25) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 22, 2020, 11 p.m. | N/A | N/A | 26.4 ppb (24) | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| Jan. 22, 2020, 10 p.m. | N/A | N/A | 23.1 ppb (21) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| Jan. 22, 2020, 9 p.m. | N/A | N/A | 23.7 ppb (22) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| Jan. 22, 2020, 8 p.m. | N/A | N/A | 20.9 ppb (19) | N/A | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| Jan. 22, 2020, 7 p.m. | N/A | N/A | 17.1 ppb (16) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| Jan. 22, 2020, 6 p.m. | N/A | N/A | 17.5 ppb (16) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 22, 2020, 5 p.m. | N/A | N/A | 20.8 ppb (19) | N/A | N/A | 1.0 ppb (1) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| Jan. 22, 2020, 4 p.m. | N/A | N/A | 23.6 ppb (22) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| Jan. 22, 2020, 3 p.m. | N/A | N/A | 24.3 ppb (23) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 12.9 μg/m3 (52) | 52.0 | |
| Jan. 22, 2020, 2 p.m. | N/A | N/A | 25.2 ppb (23) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| Jan. 22, 2020, 1 p.m. | N/A | N/A | 28.9 ppb (27) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 22, 2020, noon | N/A | N/A | 32.4 ppb (30) | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| Jan. 22, 2020, 11 a.m. | N/A | N/A | 25.7 ppb (24) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| Jan. 22, 2020, 10 a.m. | N/A | N/A | 18.9 ppb (18) | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| Jan. 22, 2020, 9 a.m. | N/A | N/A | 18.2 ppb (17) | N/A | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.0 ppb (0) | N/A | 9.1 μg/m3 (38) | 38.0 | |
| Jan. 22, 2020, 8 a.m. | N/A | N/A | 18.2 ppb (17) | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.0 ppb (0) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 22, 2020, 7 a.m. | N/A | N/A | 21.7 ppb (20) | N/A | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| Jan. 22, 2020, 6 a.m. | N/A | N/A | 25.7 ppb (24) | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| Jan. 22, 2020, 5 a.m. | N/A | N/A | 26.5 ppb (25) | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.0 ppb (0) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| Jan. 22, 2020, 4 a.m. | N/A | N/A | 23.7 ppb (22) | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| Jan. 22, 2020, 3 a.m. | N/A | N/A | 24.0 ppb (22) | N/A | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.0 ppb (0) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 22, 2020, 2 a.m. | N/A | N/A | 20.7 ppb (19) | N/A | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.0 ppb (0) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 22, 2020, 1 a.m. | N/A | N/A | 22.5 ppb (21) | N/A | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.0 ppb (0) | N/A | 8.5 μg/m3 (35) | 35.0 | |
| Jan. 22, 2020, midnight | N/A | N/A | 27.2 ppb (25) | N/A | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.0 ppb (0) | N/A | 8.4 μg/m3 (35) | 35.0 | |
| Jan. 21, 2020, 11 p.m. | N/A | N/A | 21.1 ppb (20) | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.0 ppb (0) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| Jan. 21, 2020, 10 p.m. | N/A | N/A | 14.7 ppb (14) | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 21, 2020, 9 p.m. | N/A | N/A | 16.0 ppb (15) | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| Jan. 21, 2020, 8 p.m. | N/A | N/A | 18.6 ppb (17) | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 21, 2020, 7 p.m. | N/A | N/A | 17.9 ppb (17) | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 6.8 μg/m3 (28) | 28.0 | |
| Jan. 21, 2020, 6 p.m. | N/A | N/A | 16.3 ppb (15) | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| Jan. 21, 2020, 5 p.m. | N/A | N/A | 16.4 ppb (15) | N/A | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 4.3 μg/m3 (18) | 18.0 | |
| Jan. 21, 2020, 4 p.m. | N/A | N/A | 20.1 ppb (19) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| Jan. 21, 2020, 3 p.m. | N/A | N/A | 28.4 ppb (26) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| Jan. 21, 2020, 2 p.m. | N/A | N/A | 31.9 ppb (30) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 6.8 μg/m3 (28) | 30.0 | |
| Jan. 21, 2020, 1 p.m. | N/A | N/A | 25.9 ppb (24) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 24.0 | |
| Jan. 21, 2020, noon | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 22.0 | |
| Jan. 21, 2020, 11 a.m. | N/A | N/A | 19.3 ppb (18) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 21, 2020, 10 a.m. | N/A | N/A | 15.5 ppb (14) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.5 μg/m3 (23) | 24.0 | |
| Jan. 21, 2020, 9 a.m. | N/A | N/A | 14.9 ppb (14) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 21, 2020, 8 a.m. | N/A | N/A | 26.0 ppb (24) | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| Jan. 21, 2020, 7 a.m. | N/A | N/A | 31.7 ppb (29) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| Jan. 21, 2020, 6 a.m. | N/A | N/A | 35.8 ppb (33) | N/A | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 8.5 μg/m3 (35) | 35.0 | |
| Jan. 21, 2020, 5 a.m. | N/A | N/A | 46.3 ppb (43) | N/A | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 43.0 | |
| Jan. 21, 2020, 4 a.m. | N/A | N/A | 65.3 ppb (62) | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.0 ppb (0) | N/A | 9.8 μg/m3 (41) | 62.0 | |
| Jan. 21, 2020, 3 a.m. | N/A | N/A | 60.5 ppb (57) | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.0 ppb (0) | N/A | 9.7 μg/m3 (40) | 57.0 | |
| Jan. 21, 2020, 2 a.m. | N/A | N/A | 33.3 ppb (31) | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 7.3 μg/m3 (30) | 31.0 | |
| Jan. 21, 2020, 1 a.m. | N/A | N/A | 21.9 ppb (20) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| Jan. 21, 2020, midnight | N/A | N/A | 24.6 ppb (23) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| Jan. 20, 2020, 11 p.m. | N/A | N/A | 24.7 ppb (23) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| Jan. 20, 2020, 10 p.m. | N/A | N/A | 20.5 ppb (19) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 24.0 | |
| Jan. 20, 2020, 9 p.m. | N/A | N/A | 16.6 ppb (15) | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 28.0 | |
| Jan. 20, 2020, 8 p.m. | N/A | N/A | 14.2 ppb (13) | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 4.4 μg/m3 (18) | 30.0 | |
| Jan. 20, 2020, 7 p.m. | N/A | N/A | 15.7 ppb (15) | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 3.9 μg/m3 (16) | 29.0 | |
| Jan. 20, 2020, 6 p.m. | N/A | N/A | 19.6 ppb (18) | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.0 ppb (0) | N/A | 4.6 μg/m3 (19) | 27.0 | |
| Jan. 20, 2020, 5 p.m. | N/A | N/A | 23.6 ppb (22) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 20, 2020, 4 p.m. | N/A | N/A | 26.7 ppb (25) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| Jan. 20, 2020, 3 p.m. | N/A | N/A | 32.1 ppb (30) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| Jan. 20, 2020, 2 p.m. | N/A | N/A | 36.8 ppb (34) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 20, 2020, 1 p.m. | N/A | N/A | 35.4 ppb (33) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| Jan. 20, 2020, noon | N/A | N/A | 32.7 ppb (30) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.0 ppb (0) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 20, 2020, 11 a.m. | N/A | N/A | 28.7 ppb (27) | N/A | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.0 ppb (0) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| Jan. 20, 2020, 10 a.m. | N/A | N/A | 22.0 ppb (20) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 7.3 μg/m3 (30) | 30.0 | |
| Jan. 20, 2020, 9 a.m. | N/A | N/A | 17.7 ppb (16) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 6.5 μg/m3 (27) | 27.0 | |
| Jan. 20, 2020, 8 a.m. | N/A | N/A | 16.6 ppb (15) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 6.5 μg/m3 (27) | 27.0 | |
| Jan. 20, 2020, 7 a.m. | N/A | N/A | 19.1 ppb (18) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| Jan. 20, 2020, 6 a.m. | N/A | N/A | 22.4 ppb (21) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 7.4 μg/m3 (31) | 31.0 | |
| Jan. 20, 2020, 5 a.m. | N/A | N/A | 22.0 ppb (20) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 8.4 μg/m3 (35) | 35.0 | |
| Jan. 20, 2020, 4 a.m. | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 20, 2020, 3 a.m. | N/A | N/A | 18.9 ppb (18) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 8.2 μg/m3 (34) | 34.0 | |
| Jan. 20, 2020, 2 a.m. | N/A | N/A | 17.9 ppb (17) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| Jan. 20, 2020, 1 a.m. | N/A | N/A | 15.4 ppb (14) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 20, 2020, midnight | N/A | N/A | 11.9 ppb (11) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| Jan. 19, 2020, 11 p.m. | N/A | N/A | 9.7 ppb (9) | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| Jan. 19, 2020, 10 p.m. | N/A | N/A | 9.5 ppb (9) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| Jan. 19, 2020, 9 p.m. | N/A | N/A | 10.4 ppb (10) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 19, 2020, 8 p.m. | N/A | N/A | 11.9 ppb (11) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| Jan. 19, 2020, 7 p.m. | N/A | N/A | 12.6 ppb (12) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| Jan. 19, 2020, 6 p.m. | N/A | N/A | 11.7 ppb (11) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 9.6 μg/m3 (40) | 40.0 | |
| Jan. 19, 2020, 5 p.m. | N/A | N/A | 11.2 ppb (10) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| Jan. 19, 2020, 4 p.m. | N/A | N/A | 11.0 ppb (10) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 19, 2020, 3 p.m. | N/A | N/A | 10.8 ppb (10) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 10.7 μg/m3 (45) | 45.0 | |
| Jan. 19, 2020, 2 p.m. | N/A | N/A | 9.5 ppb (9) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 19, 2020, 1 p.m. | N/A | N/A | 7.6 ppb (7) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| Jan. 19, 2020, noon | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 19, 2020, 11 a.m. | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| Jan. 19, 2020, 10 a.m. | N/A | N/A | 6.2 ppb (6) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| Jan. 19, 2020, 9 a.m. | N/A | N/A | 5.6 ppb (5) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| Jan. 19, 2020, 8 a.m. | N/A | N/A | 5.6 ppb (5) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 11.1 μg/m3 (46) | 46.0 | |
| Jan. 19, 2020, 7 a.m. | N/A | N/A | 6.5 ppb (6) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 11.4 μg/m3 (48) | 48.0 | |
| Jan. 19, 2020, 6 a.m. | N/A | N/A | 7.1 ppb (7) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| Jan. 19, 2020, 5 a.m. | N/A | N/A | 7.2 ppb (7) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| Jan. 19, 2020, 4 a.m. | N/A | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| Jan. 19, 2020, 3 a.m. | N/A | N/A | 8.5 ppb (8) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 19, 2020, 2 a.m. | N/A | N/A | 7.8 ppb (7) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 19, 2020, 1 a.m. | N/A | N/A | 8.2 ppb (8) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| Jan. 19, 2020, midnight | N/A | N/A | 8.7 ppb (8) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 18, 2020, 11 p.m. | N/A | N/A | 8.1 ppb (8) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 3.8 μg/m3 (16) | 16.0 | |
| Jan. 18, 2020, 10 p.m. | N/A | N/A | 7.7 ppb (7) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 3.3 μg/m3 (14) | 15.0 | |
| Jan. 18, 2020, 9 p.m. | N/A | N/A | 6.9 ppb (6) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 4.6 μg/m3 (19) | 19.0 | |
| Jan. 18, 2020, 8 p.m. | N/A | N/A | 7.3 ppb (7) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| Jan. 18, 2020, 7 p.m. | N/A | N/A | 9.5 ppb (9) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 23.0 | |
| Jan. 18, 2020, 6 p.m. | N/A | N/A | 9.0 ppb (8) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 3.2 μg/m3 (13) | 20.0 | |
| Jan. 18, 2020, 5 p.m. | N/A | N/A | 6.9 ppb (6) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 2.3 μg/m3 (10) | 21.0 | |
| Jan. 18, 2020, 4 p.m. | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 2.5 μg/m3 (10) | 22.0 | |
| Jan. 18, 2020, 3 p.m. | N/A | N/A | 5.5 ppb (5) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 2.9 μg/m3 (12) | 22.0 | |
| Jan. 18, 2020, 2 p.m. | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 2.8 μg/m3 (12) | 23.0 | |
| Jan. 18, 2020, 1 p.m. | N/A | N/A | 5.5 ppb (5) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 3.4 μg/m3 (14) | 22.0 | |
| Jan. 18, 2020, noon | N/A | N/A | 6.3 ppb (6) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 3.7 μg/m3 (15) | 20.0 | |
| Jan. 18, 2020, 11 a.m. | N/A | N/A | 6.6 ppb (6) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 2.7 μg/m3 (11) | 20.0 | |
| Jan. 18, 2020, 10 a.m. | N/A | N/A | 6.3 ppb (6) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 3.2 μg/m3 (13) | 21.0 | |
| Jan. 18, 2020, 9 a.m. | N/A | N/A | 5.4 ppb (5) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 3.4 μg/m3 (14) | 22.0 | |
| Jan. 18, 2020, 8 a.m. | N/A | N/A | 5.1 ppb (5) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 2.1 μg/m3 (9) | 22.0 | |
| Jan. 18, 2020, 7 a.m. | N/A | N/A | 6.1 ppb (6) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 3.3 μg/m3 (14) | 21.0 | |
| Jan. 18, 2020, 6 a.m. | N/A | N/A | 5.9 ppb (5) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 4.1 μg/m3 (17) | 20.0 | |
| Jan. 18, 2020, 5 a.m. | N/A | N/A | 5.3 ppb (5) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 3.7 μg/m3 (15) | 21.0 | |
| Jan. 18, 2020, 4 a.m. | N/A | N/A | 4.8 ppb (4) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 3.4 μg/m3 (14) | 22.0 | |
| Jan. 18, 2020, 3 a.m. | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 3.8 μg/m3 (16) | 24.0 | |
| Jan. 18, 2020, 2 a.m. | N/A | N/A | 3.9 ppb (4) | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 3.6 μg/m3 (15) | 25.0 | |
| Jan. 18, 2020, 1 a.m. | N/A | N/A | 3.9 ppb (4) | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 3.5 μg/m3 (15) | 25.0 | |
| Jan. 18, 2020, midnight | N/A | N/A | 4.5 ppb (4) | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 25.0 | |
| Jan. 17, 2020, 11 p.m. | N/A | N/A | 5.6 ppb (5) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 24.0 | |
| Jan. 17, 2020, 10 p.m. | N/A | N/A | 6.1 ppb (6) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.8 μg/m3 (24) | 24.0 | |
| Jan. 17, 2020, 9 p.m. | N/A | N/A | 5.6 ppb (5) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 24.0 | |
| Jan. 17, 2020, 8 p.m. | N/A | N/A | 5.2 ppb (5) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 3.5 μg/m3 (15) | 24.0 | |
| Jan. 17, 2020, 7 p.m. | N/A | N/A | 5.5 ppb (5) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 3.2 μg/m3 (13) | 25.0 | |
| Jan. 17, 2020, 6 p.m. | N/A | N/A | 7.8 ppb (7) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 3.8 μg/m3 (16) | 24.0 | |
| Jan. 17, 2020, 5 p.m. | N/A | N/A | 12.7 ppb (12) | N/A | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 22.0 | |
| Jan. 17, 2020, 4 p.m. | N/A | N/A | 23.6 ppb (22) | N/A | N/A | 2.0 ppb (3) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| Jan. 17, 2020, 3 p.m. | N/A | N/A | 29.3 ppb (27) | N/A | N/A | 2.0 ppb (3) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| Jan. 17, 2020, 2 p.m. | N/A | N/A | 31.1 ppb (29) | N/A | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.0 ppb (0) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| Jan. 17, 2020, 1 p.m. | N/A | N/A | 31.8 ppb (29) | N/A | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 6.5 μg/m3 (27) | 29.0 | |
| Jan. 17, 2020, noon | N/A | N/A | 25.1 ppb (23) | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 5.9 μg/m3 (25) | 25.0 | |
| Jan. 17, 2020, 11 a.m. | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| Jan. 17, 2020, 10 a.m. | N/A | N/A | 17.3 ppb (16) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 20.0 | |
| Jan. 17, 2020, 9 a.m. | N/A | N/A | 14.7 ppb (14) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 5.1 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 8 a.m. | N/A | N/A | 9.9 ppb (9) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 5.9 μg/m3 (25) | 25.0 | |
| Jan. 17, 2020, 7 a.m. | N/A | N/A | 6.9 ppb (6) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 5.3 μg/m3 (22) | 22.0 |