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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 4, 2020, 10 p.m. | N/A | N/A | 13.4 ppb (12) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| April 4, 2020, 9 p.m. | N/A | N/A | 9.6 ppb (9) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.0 ppb (0) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| April 4, 2020, 8 p.m. | N/A | N/A | 7.7 ppb (7) | N/A | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 29.0 | |
| April 4, 2020, 7 p.m. | N/A | N/A | 5.2 ppb (5) | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 3.0 μg/m3 (12) | 30.0 | |
| April 4, 2020, 6 p.m. | N/A | N/A | 4.8 ppb (4) | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 4.0 μg/m3 (17) | 29.0 | |
| April 4, 2020, 5 p.m. | N/A | N/A | 6.3 ppb (6) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.0 ppb (0) | N/A | 4.1 μg/m3 (17) | 27.0 | |
| April 4, 2020, 4 p.m. | N/A | N/A | 6.8 ppb (6) | N/A | N/A | 2.0 ppb (3) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 2.9 μg/m3 (12) | 25.0 | |
| April 4, 2020, 3 p.m. | N/A | N/A | 11.4 ppb (11) | N/A | N/A | 2.0 ppb (3) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 3.4 μg/m3 (14) | 19.0 | |
| April 4, 2020, 2 p.m. | N/A | N/A | 15.4 ppb (14) | N/A | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| April 4, 2020, 1 p.m. | N/A | N/A | 29.5 ppb (27) | N/A | N/A | 2.0 ppb (3) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 7.5 μg/m3 (31) | 31.0 | |
| April 4, 2020, noon | N/A | N/A | 62.6 ppb (59) | N/A | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.0 ppb (0) | N/A | 11.9 μg/m3 (50) | 59.0 | |
| April 4, 2020, 11 a.m. | N/A | N/A | 64.9 ppb (62) | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 13.9 μg/m3 (54) | 62.0 | |
| April 4, 2020, 10 a.m. | N/A | N/A | 56.5 ppb (53) | N/A | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.0 ppb (0) | N/A | 13.6 μg/m3 (53) | 53.0 | |
| April 4, 2020, 9 a.m. | N/A | N/A | 55.9 ppb (52) | N/A | N/A | -1.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 11.9 μg/m3 (50) | 52.0 | |
| April 4, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | -1.0 ppb (0) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| April 4, 2020, 7 a.m. | N/A | N/A | 23.3 ppb (22) | N/A | N/A | N/A | 4.0 ppb (3) | N/A | N/A | 10.8 μg/m3 (45) | 45.0 | |
| April 4, 2020, 6 a.m. | N/A | N/A | 20.2 ppb (19) | N/A | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.0 ppb (0) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| April 4, 2020, 5 a.m. | N/A | N/A | 23.4 ppb (22) | N/A | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.0 ppb (0) | N/A | 16.4 μg/m3 (59) | 59.0 | |
| April 4, 2020, 4 a.m. | N/A | N/A | 24.0 ppb (22) | N/A | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 12.8 μg/m3 (52) | 52.0 | |
| April 4, 2020, 3 a.m. | N/A | N/A | 16.2 ppb (15) | N/A | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.0 ppb (0) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 4, 2020, 2 a.m. | N/A | N/A | 4.4 ppb (4) | N/A | N/A | -1.0 ppb (0) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 5.3 μg/m3 (22) | 23.0 | |
| April 4, 2020, 1 a.m. | N/A | N/A | 3.3 ppb (3) | N/A | N/A | -1.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.1 μg/m3 (21) | 24.0 | |
| April 4, 2020, midnight | N/A | N/A | 4.4 ppb (4) | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| April 3, 2020, 11 p.m. | N/A | N/A | 3.5 ppb (3) | N/A | N/A | -1.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 6.7 μg/m3 (28) | 30.0 | |
| April 3, 2020, 10 p.m. | N/A | N/A | 3.8 ppb (4) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.0 ppb (0) | N/A | 7.1 μg/m3 (30) | 32.0 | |
| April 3, 2020, 9 p.m. | N/A | N/A | 3.8 ppb (4) | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.0 ppb (0) | N/A | 7.3 μg/m3 (30) | 33.0 | |
| April 3, 2020, 8 p.m. | N/A | N/A | 4.9 ppb (5) | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.0 ppb (0) | N/A | 6.4 μg/m3 (27) | 33.0 | |
| April 3, 2020, 7 p.m. | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.0 ppb (0) | N/A | 2.6 μg/m3 (11) | 34.0 | |
| April 3, 2020, 6 p.m. | N/A | N/A | 4.2 ppb (4) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.0 ppb (0) | N/A | 3.1 μg/m3 (13) | 34.0 | |
| April 3, 2020, 5 p.m. | N/A | N/A | 5.9 ppb (5) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.0 ppb (0) | N/A | 2.6 μg/m3 (11) | 32.0 | |
| April 3, 2020, 4 p.m. | N/A | N/A | 13.9 ppb (13) | N/A | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 3.4 μg/m3 (14) | 28.0 | |
| April 3, 2020, 3 p.m. | N/A | N/A | 16.2 ppb (15) | N/A | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 4.6 μg/m3 (19) | 25.0 | |
| April 3, 2020, 2 p.m. | N/A | N/A | 30.1 ppb (28) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 6.1 μg/m3 (25) | 28.0 | |
| April 3, 2020, 1 p.m. | N/A | N/A | 51.3 ppb (48) | N/A | N/A | 2.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | 10.4 μg/m3 (43) | 48.0 | |
| April 3, 2020, noon | N/A | N/A | 66.4 ppb (63) | N/A | N/A | 2.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | 14.7 μg/m3 (56) | 63.0 | |
| April 3, 2020, 11 a.m. | N/A | N/A | 121.9 ppb (104) | N/A | N/A | 2.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | 20.5 μg/m3 (68) | 104.0 | |
| April 3, 2020, 10 a.m. | N/A | N/A | 103.1 ppb (100) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 24.1 μg/m3 (76) | 100.0 | |
| April 3, 2020, 9 a.m. | N/A | N/A | 92.8 ppb (91) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 24.5 μg/m3 (77) | 91.0 | |
| April 3, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| April 3, 2020, 7 a.m. | N/A | N/A | 68.5 ppb (65) | N/A | N/A | N/A | N/A | N/A | N/A | 22.9 μg/m3 (73) | 73.0 | |
| April 3, 2020, 6 a.m. | N/A | N/A | 46.1 ppb (43) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 21.8 μg/m3 (71) | 71.0 | |
| April 3, 2020, 5 a.m. | N/A | N/A | 37.9 ppb (35) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 19.2 μg/m3 (65) | 65.0 | |
| April 3, 2020, 4 a.m. | N/A | N/A | 26.0 ppb (24) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 17.8 μg/m3 (62) | 62.0 | |
| April 3, 2020, 3 a.m. | N/A | N/A | 34.6 ppb (32) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 15.6 μg/m3 (58) | 58.0 | |
| April 3, 2020, 2 a.m. | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 14.8 μg/m3 (56) | 56.0 | |
| April 3, 2020, 1 a.m. | N/A | N/A | 8.5 ppb (8) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 16.5 μg/m3 (60) | 60.0 | |
| April 3, 2020, midnight | N/A | N/A | 12.5 ppb (12) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| April 2, 2020, 11 p.m. | N/A | N/A | 5.7 ppb (5) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| April 2, 2020, 10 p.m. | N/A | N/A | 4.7 ppb (4) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 8.5 μg/m3 (35) | 35.0 | |
| April 2, 2020, 9 p.m. | N/A | N/A | 4.2 ppb (4) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 8.5 μg/m3 (35) | 35.0 | |
| April 2, 2020, 8 p.m. | N/A | N/A | 4.4 ppb (4) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 8.2 μg/m3 (34) | 34.0 | |
| April 2, 2020, 7 p.m. | N/A | N/A | 4.5 ppb (4) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 4.0 | |
| April 2, 2020, 6 p.m. | N/A | N/A | 4.3 ppb (4) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 4.0 | |
| April 2, 2020, 5 p.m. | N/A | N/A | 5.8 ppb (5) | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 5.0 | |
| April 2, 2020, 4 p.m. | N/A | N/A | 6.2 ppb (6) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 | |
| April 2, 2020, 3 p.m. | N/A | N/A | 6.8 ppb (6) | N/A | N/A | 1.0 ppb (1) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | N/A | 30.0 | |
| April 2, 2020, 2 p.m. | N/A | N/A | 8.5 ppb (8) | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.0 ppb (0) | N/A | N/A | 26.0 | |
| April 2, 2020, 1 p.m. | N/A | N/A | 14.8 ppb (14) | N/A | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 18.0 | |
| April 2, 2020, noon | N/A | N/A | 24.2 ppb (22) | N/A | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | N/A | 22.0 | |
| April 2, 2020, 11 a.m. | N/A | N/A | 38.4 ppb (36) | N/A | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.0 ppb (0) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 2, 2020, 10 a.m. | N/A | N/A | 31.1 ppb (29) | N/A | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| April 2, 2020, 9 a.m. | N/A | N/A | 16.6 ppb (15) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| April 2, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| April 2, 2020, 7 a.m. | N/A | N/A | 15.6 ppb (14) | N/A | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 8.3 μg/m3 (35) | 35.0 | |
| April 2, 2020, 6 a.m. | N/A | N/A | 14.9 ppb (14) | N/A | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.0 ppb (0) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| April 2, 2020, 5 a.m. | N/A | N/A | 15.2 ppb (14) | N/A | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| April 2, 2020, 4 a.m. | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| April 2, 2020, 3 a.m. | N/A | N/A | 21.7 ppb (20) | N/A | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.0 ppb (0) | N/A | 10.4 μg/m3 (43) | 43.0 | |
| April 2, 2020, 2 a.m. | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.0 ppb (0) | N/A | 10.7 μg/m3 (45) | 45.0 | |
| April 2, 2020, 1 a.m. | N/A | N/A | 12.0 ppb (11) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| April 2, 2020, midnight | N/A | N/A | 13.5 ppb (12) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| April 1, 2020, 11 p.m. | N/A | N/A | 9.9 ppb (9) | N/A | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 22.0 | |
| April 1, 2020, 10 p.m. | N/A | N/A | 8.6 ppb (8) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 22.0 | |
| April 1, 2020, 9 p.m. | N/A | N/A | 8.6 ppb (8) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 3.7 μg/m3 (15) | 22.0 | |
| April 1, 2020, 8 p.m. | N/A | N/A | 10.5 ppb (10) | N/A | N/A | 1.0 ppb (1) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 2.4 μg/m3 (10) | 21.0 | |
| April 1, 2020, 7 p.m. | N/A | N/A | 12.3 ppb (11) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| April 1, 2020, 6 p.m. | N/A | N/A | 9.0 ppb (8) | N/A | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 3.0 μg/m3 (12) | 19.0 | |
| April 1, 2020, 5 p.m. | N/A | N/A | 9.6 ppb (9) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 3.9 μg/m3 (16) | 17.0 | |
| April 1, 2020, 4 p.m. | N/A | N/A | 9.0 ppb (8) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 3.8 μg/m3 (16) | 18.0 | |
| April 1, 2020, 3 p.m. | N/A | N/A | 13.7 ppb (13) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 23.0 | |
| April 1, 2020, 2 p.m. | N/A | N/A | 14.2 ppb (13) | N/A | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 20.0 | |
| April 1, 2020, 1 p.m. | N/A | N/A | 19.4 ppb (18) | N/A | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| April 1, 2020, noon | N/A | N/A | 18.4 ppb (17) | N/A | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| April 1, 2020, 11 a.m. | N/A | N/A | 22.4 ppb (21) | N/A | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| April 1, 2020, 10 a.m. | N/A | N/A | 15.6 ppb (14) | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 5.7 μg/m3 (24) | 24.0 | |
| April 1, 2020, 9 a.m. | N/A | N/A | 14.5 ppb (13) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| April 1, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| April 1, 2020, 7 a.m. | N/A | N/A | 9.9 ppb (9) | N/A | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 6.4 μg/m3 (27) | 27.0 | |
| April 1, 2020, 6 a.m. | N/A | N/A | 9.7 ppb (9) | N/A | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| April 1, 2020, 5 a.m. | N/A | N/A | 13.4 ppb (12) | N/A | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 7.5 μg/m3 (31) | 31.0 | |
| April 1, 2020, 4 a.m. | N/A | N/A | 13.9 ppb (13) | N/A | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 7.5 μg/m3 (31) | 31.0 | |
| April 1, 2020, 3 a.m. | N/A | N/A | 7.1 ppb (7) | N/A | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 19.0 | |
| April 1, 2020, 2 a.m. | N/A | N/A | 7.1 ppb (7) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 4.1 μg/m3 (17) | 17.0 | |
| April 1, 2020, 1 a.m. | N/A | N/A | 13.4 ppb (12) | N/A | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.0 ppb (0) | N/A | 5.5 μg/m3 (23) | 23.0 | |
| April 1, 2020, midnight | N/A | N/A | 12.1 ppb (11) | N/A | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| March 31, 2020, 11 p.m. | N/A | N/A | 12.5 ppb (12) | N/A | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.0 ppb (0) | N/A | 8.2 μg/m3 (34) | 34.0 | |
| March 31, 2020, 10 p.m. | N/A | N/A | 14.7 ppb (14) | N/A | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.0 ppb (0) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| March 31, 2020, 9 p.m. | N/A | N/A | 11.8 ppb (11) | N/A | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| March 31, 2020, 8 p.m. | N/A | N/A | 14.5 ppb (13) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 31, 2020, 7 p.m. | N/A | N/A | 15.9 ppb (15) | N/A | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| March 31, 2020, 6 p.m. | N/A | N/A | 17.8 ppb (16) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 5.8 μg/m3 (24) | 24.0 | |
| March 31, 2020, 5 p.m. | N/A | N/A | 16.5 ppb (15) | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 5.8 μg/m3 (24) | 24.0 | |
| March 31, 2020, 4 p.m. | N/A | N/A | 11.3 ppb (10) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| March 31, 2020, 3 p.m. | N/A | N/A | 10.9 ppb (10) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 5.7 μg/m3 (24) | 24.0 | |
| March 31, 2020, 2 p.m. | N/A | N/A | 11.1 ppb (10) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| March 31, 2020, 1 p.m. | N/A | N/A | 11.1 ppb (10) | N/A | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| March 31, 2020, noon | N/A | N/A | 12.1 ppb (11) | N/A | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| March 31, 2020, 11 a.m. | N/A | N/A | 10.1 ppb (9) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 4.1 μg/m3 (17) | 17.0 | |
| March 31, 2020, 10 a.m. | N/A | N/A | 8.9 ppb (8) | N/A | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 3.2 μg/m3 (13) | 18.0 | |
| March 31, 2020, 9 a.m. | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 2.5 μg/m3 (10) | 10.0 | |
| March 31, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 3.3 μg/m3 (14) | 22.0 | |
| March 31, 2020, 7 a.m. | N/A | N/A | 4.6 ppb (4) | N/A | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 3.3 μg/m3 (14) | 22.0 | |
| March 31, 2020, 6 a.m. | N/A | N/A | 3.9 ppb (4) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 3.1 μg/m3 (13) | 23.0 | |
| March 31, 2020, 5 a.m. | N/A | N/A | 4.3 ppb (4) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 4.2 μg/m3 (18) | 23.0 | |
| March 31, 2020, 4 a.m. | N/A | N/A | 3.8 ppb (4) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 3.6 μg/m3 (15) | 25.0 | |
| March 31, 2020, 3 a.m. | N/A | N/A | 5.1 ppb (5) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 3.1 μg/m3 (13) | 24.0 | |
| March 31, 2020, 2 a.m. | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.2 μg/m3 (22) | 24.0 | |
| March 31, 2020, 1 a.m. | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 24.0 | |
| March 31, 2020, midnight | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 4.0 μg/m3 (17) | 25.0 | |
| March 30, 2020, 11 p.m. | N/A | N/A | 5.8 ppb (5) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 25.0 | |
| March 30, 2020, 10 p.m. | N/A | N/A | 4.8 ppb (4) | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.0 ppb (0) | N/A | 4.6 μg/m3 (19) | 26.0 | |
| March 30, 2020, 9 p.m. | N/A | N/A | 5.6 ppb (5) | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 26.0 | |
| March 30, 2020, 8 p.m. | N/A | N/A | 7.0 ppb (6) | N/A | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 4.2 μg/m3 (18) | 25.0 | |
| March 30, 2020, 7 p.m. | N/A | N/A | 5.9 ppb (5) | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.0 ppb (0) | N/A | 4.4 μg/m3 (18) | 26.0 | |
| March 30, 2020, 6 p.m. | N/A | N/A | 4.9 ppb (5) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.0 ppb (0) | N/A | 3.8 μg/m3 (16) | 27.0 | |
| March 30, 2020, 5 p.m. | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 3.9 μg/m3 (16) | 25.0 | |
| March 30, 2020, 4 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 | 4.1 μg/m3 (17) | 24.0 | |
| March 30, 2020, 3 p.m. | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 24.0 | |
| March 30, 2020, 2 p.m. | N/A | N/A | 5.8 ppb (5) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 4.4 μg/m3 (18) | 25.0 | |
| March 30, 2020, 1 p.m. | N/A | N/A | 8.4 ppb (8) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 4.0 μg/m3 (17) | 24.0 | |
| March 30, 2020, noon | N/A | N/A | 8.5 ppb (8) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 3.7 μg/m3 (15) | 25.0 | |
| March 30, 2020, 11 a.m. | N/A | N/A | 7.3 ppb (7) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 25.0 | |
| March 30, 2020, 10 a.m. | N/A | N/A | 5.1 ppb (5) | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.0 ppb (0) | N/A | 4.0 μg/m3 (17) | 26.0 | |
| March 30, 2020, 9 a.m. | N/A | N/A | 3.3 ppb (3) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 20.0 | |
| March 30, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 2.8 μg/m3 (12) | 29.0 | |
| March 30, 2020, 7 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 3.7 μg/m3 (15) | 30.0 | |
| March 30, 2020, 6 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 3.9 μg/m3 (16) | 30.0 | |
| March 30, 2020, 5 a.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.0 ppb (0) | N/A | 3.5 μg/m3 (15) | 31.0 | |
| March 30, 2020, 4 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.0 ppb (0) | N/A | 3.4 μg/m3 (14) | 32.0 | |
| March 30, 2020, 3 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 41.0 ppb (32) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 32.0 | |
| March 30, 2020, 2 a.m. | N/A | N/A | 2.3 ppb (2) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.0 ppb (0) | N/A | 3.8 μg/m3 (16) | 32.0 | |
| March 30, 2020, 1 a.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.0 ppb (0) | N/A | 5.3 μg/m3 (22) | 32.0 | |
| March 30, 2020, midnight | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 32.0 | |
| March 29, 2020, 11 p.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.0 ppb (0) | N/A | 4.4 μg/m3 (18) | 31.0 | |
| March 29, 2020, 10 p.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 3.6 μg/m3 (15) | 29.0 | |
| March 29, 2020, 9 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 28.0 | |
| March 29, 2020, 8 p.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 1.0 ppb (1) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 5.6 μg/m3 (23) | 30.0 | |
| March 29, 2020, 7 p.m. | N/A | N/A | 2.1 ppb (2) | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.0 ppb (0) | N/A | 3.4 μg/m3 (14) | 31.0 | |
| March 29, 2020, 6 p.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.0 ppb (0) | N/A | 2.8 μg/m3 (12) | 28.0 | |
| March 29, 2020, 5 p.m. | N/A | N/A | 2.3 ppb (2) | N/A | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 4.2 μg/m3 (18) | 25.0 | |
| March 29, 2020, 4 p.m. | N/A | N/A | 2.6 ppb (2) | N/A | N/A | 1.0 ppb (1) | 40.0 ppb (31) | 0.0 ppb (0) | N/A | 2.5 μg/m3 (10) | 31.0 | |
| March 29, 2020, 3 p.m. | N/A | N/A | 2.8 ppb (3) | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.0 ppb (0) | N/A | -1.9 μg/m3 (0) | 33.0 | |
| March 29, 2020, 2 p.m. | N/A | N/A | 2.7 ppb (3) | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.0 ppb (0) | N/A | N/A | 28.0 | |
| March 29, 2020, 1 p.m. | N/A | N/A | 4.9 ppb (5) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| March 29, 2020, noon | N/A | N/A | 5.1 ppb (5) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| March 29, 2020, 11 a.m. | N/A | N/A | 3.4 ppb (3) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| March 29, 2020, 10 a.m. | N/A | N/A | 3.8 ppb (4) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| March 29, 2020, 9 a.m. | N/A | N/A | 3.6 ppb (3) | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | N/A | 4.3 μg/m3 (18) | 18.0 | |
| March 29, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| March 29, 2020, 7 a.m. | N/A | N/A | 2.5 ppb (2) | N/A | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 2.7 μg/m3 (11) | 22.0 | |
| March 29, 2020, 6 a.m. | N/A | N/A | 3.1 ppb (3) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 0.2 μg/m3 (1) | 21.0 | |
| March 29, 2020, 5 a.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 0.5 μg/m3 (2) | 22.0 | |
| March 29, 2020, 4 a.m. | N/A | N/A | 2.8 ppb (3) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| March 29, 2020, 3 a.m. | N/A | N/A | 3.2 ppb (3) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 4.3 μg/m3 (18) | 22.0 | |
| March 29, 2020, 2 a.m. | N/A | N/A | 3.2 ppb (3) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 22.0 | |
| March 29, 2020, 1 a.m. | N/A | N/A | 3.3 ppb (3) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 3.4 μg/m3 (14) | 22.0 | |
| March 29, 2020, midnight | N/A | N/A | 4.7 ppb (4) | N/A | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 8.2 μg/m3 (34) | 34.0 | |
| March 28, 2020, 11 p.m. | N/A | N/A | 12.7 ppb (12) | N/A | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 7.6 μg/m3 (32) | 32.0 |