Detroit (Schoolcraft St) MI, US: 42.38599, -83.266319
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 10, 2021, 5 p.m. | 30.0 ppb (29) | 13.1 ppb (13) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 10.1 μg/m3 (43) | 43.0 | |
| April 10, 2021, 4 p.m. | 25.6 ppb (25) | 10.0 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 10, 2021, 3 p.m. | 32.9 ppb (32) | 14.7 ppb (14) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 14.9 μg/m3 (57) | 57.0 | |
| April 10, 2021, 2 p.m. | 45.8 ppb (44) | 21.4 ppb (21) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 1.4 ppb (16) | N/A | 16.9 μg/m3 (62) | 62.0 | |
| April 10, 2021, 1 p.m. | 59.1 ppb (57) | 31.1 ppb (30) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 18.9 μg/m3 (66) | 66.0 | |
| April 10, 2021, noon | 56.6 ppb (54) | 34.3 ppb (33) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 15.1 μg/m3 (58) | 58.0 | |
| April 10, 2021, 11 a.m. | 43.1 ppb (41) | 27.4 ppb (26) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 13.1 μg/m3 (54) | 54.0 | |
| April 10, 2021, 10 a.m. | 23.6 ppb (23) | 7.8 ppb (8) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 10.1 μg/m3 (43) | 43.0 | |
| April 10, 2021, 9 a.m. | 37.4 ppb (36) | 15.5 ppb (15) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 14.8 μg/m3 (57) | 57.0 | |
| April 10, 2021, 8 a.m. | 30.8 ppb (30) | 10.3 ppb (10) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 10.2 μg/m3 (43) | 43.0 | |
| April 10, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| April 10, 2021, 6 a.m. | 22.7 ppb (22) | 5.2 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 9.9 μg/m3 (42) | 42.0 | |
| April 10, 2021, 5 a.m. | 23.5 ppb (23) | 5.5 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| April 10, 2021, 4 a.m. | 31.2 ppb (30) | 8.6 ppb (9) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 9.9 μg/m3 (42) | 42.0 | |
| April 10, 2021, 3 a.m. | 27.8 ppb (27) | 9.3 ppb (9) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 11.9 μg/m3 (50) | 50.0 | |
| April 10, 2021, 2 a.m. | 22.7 ppb (22) | 8.7 ppb (9) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| April 10, 2021, 1 a.m. | 16.6 ppb (16) | 6.8 ppb (7) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 7.0 μg/m3 (30) | 30.0 | |
| April 10, 2021, midnight | 27.2 ppb (26) | 10.9 ppb (11) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 9, 2021, 11 p.m. | 32.2 ppb (31) | 12.9 ppb (13) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 9, 2021, 10 p.m. | 26.1 ppb (25) | 11.2 ppb (11) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 9, 2021, 9 p.m. | 25.3 ppb (24) | 12.6 ppb (12) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 4.1 μg/m3 (18) | 24.0 | |
| April 9, 2021, 8 p.m. | 22.9 ppb (22) | 11.8 ppb (12) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 4.0 μg/m3 (17) | 22.0 | |
| April 9, 2021, 7 p.m. | 28.4 ppb (27) | 15.2 ppb (15) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| April 9, 2021, 6 p.m. | 31.9 ppb (31) | 17.2 ppb (17) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 6.0 μg/m3 (25) | 31.0 | |
| April 9, 2021, 5 p.m. | 27.9 ppb (27) | 15.2 ppb (15) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| April 9, 2021, 4 p.m. | 31.5 ppb (30) | 19.2 ppb (19) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 9, 2021, 3 p.m. | 35.6 ppb (34) | 22.2 ppb (21) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 9, 2021, 2 p.m. | 43.9 ppb (42) | 27.0 ppb (26) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 10.9 μg/m3 (46) | 46.0 | |
| April 9, 2021, 1 p.m. | 50.4 ppb (48) | 32.2 ppb (31) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 14.9 μg/m3 (57) | 57.0 | |
| April 9, 2021, noon | 70.4 ppb (69) | 44.3 ppb (42) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 12.1 μg/m3 (51) | 69.0 | |
| April 9, 2021, 11 a.m. | 70.8 ppb (69) | 47.0 ppb (45) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 12.0 μg/m3 (50) | 69.0 | |
| April 9, 2021, 10 a.m. | 47.5 ppb (45) | 27.2 ppb (26) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 9, 2021, 9 a.m. | 42.4 ppb (40) | 22.2 ppb (21) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 9, 2021, 8 a.m. | 23.4 ppb (23) | 10.6 ppb (10) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 10.1 μg/m3 (43) | 43.0 | |
| April 9, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 9, 2021, 6 a.m. | 12.4 ppb (12) | 3.1 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 9, 2021, 5 a.m. | 14.6 ppb (14) | 3.9 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 9, 2021, 4 a.m. | 15.9 ppb (15) | 4.8 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 9, 2021, 3 a.m. | 20.9 ppb (20) | 5.8 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 9, 2021, 2 a.m. | 23.7 ppb (23) | 6.4 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 9, 2021, 1 a.m. | 29.7 ppb (29) | 9.0 ppb (9) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 8.2 μg/m3 (35) | 35.0 | |
| April 9, 2021, midnight | 27.0 ppb (26) | 8.2 ppb (8) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 12.8 μg/m3 (53) | 53.0 | |
| April 8, 2021, 11 p.m. | 29.5 ppb (28) | 10.4 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 25.6 μg/m3 (80) | 80.0 | |
| April 8, 2021, 10 p.m. | 49.6 ppb (47) | 19.7 ppb (19) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 27.0 μg/m3 (83) | 83.0 | |
| April 8, 2021, 9 p.m. | 45.6 ppb (44) | 19.1 ppb (19) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 25.1 μg/m3 (79) | 79.0 | |
| April 8, 2021, 8 p.m. | 27.1 ppb (26) | 12.1 ppb (12) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 21.1 μg/m3 (70) | 70.0 | |
| April 8, 2021, 7 p.m. | 37.4 ppb (36) | 16.2 ppb (16) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| April 8, 2021, 6 p.m. | 48.1 ppb (46) | 20.9 ppb (20) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 24.8 μg/m3 (78) | 78.0 | |
| April 8, 2021, 5 p.m. | 52.8 ppb (50) | 24.2 ppb (23) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 21.1 μg/m3 (70) | 70.0 | |
| April 8, 2021, 4 p.m. | 43.7 ppb (42) | 20.8 ppb (20) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 16.2 μg/m3 (60) | 60.0 | |
| April 8, 2021, 3 p.m. | 45.0 ppb (43) | 21.8 ppb (21) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 17.0 μg/m3 (62) | 62.0 | |
| April 8, 2021, 2 p.m. | 48.5 ppb (46) | 23.1 ppb (22) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 18.9 μg/m3 (66) | 66.0 | |
| April 8, 2021, 1 p.m. | 57.5 ppb (55) | 29.1 ppb (28) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 13.2 μg/m3 (54) | 55.0 | |
| April 8, 2021, noon | 31.2 ppb (30) | 13.8 ppb (14) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 8, 2021, 11 a.m. | 24.5 ppb (24) | 9.4 ppb (9) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 8, 2021, 10 a.m. | 18.1 ppb (18) | 7.7 ppb (8) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 12.1 μg/m3 (51) | 51.0 | |
| April 8, 2021, 9 a.m. | 10.5 ppb (10) | 2.1 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 14.9 μg/m3 (57) | 57.0 | |
| April 8, 2021, 8 a.m. | 7.4 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 10.2 μg/m3 (43) | 43.0 | |
| April 8, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 14.8 μg/m3 (57) | 57.0 | |
| April 8, 2021, 6 a.m. | 8.0 ppb (8) | 0.5 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 8, 2021, 5 a.m. | 8.2 ppb (8) | 0.5 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 13.1 μg/m3 (54) | 54.0 | |
| April 8, 2021, 4 a.m. | 19.8 ppb (19) | 4.0 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 19.8 μg/m3 (68) | 68.0 | |
| April 8, 2021, 3 a.m. | 21.2 ppb (20) | 5.6 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 21.0 μg/m3 (70) | 70.0 | |
| April 8, 2021, 2 a.m. | 22.3 ppb (22) | 5.4 ppb (6) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| April 8, 2021, 1 a.m. | 24.5 ppb (24) | 6.2 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| April 8, 2021, midnight | 28.4 ppb (27) | 7.9 ppb (8) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| April 7, 2021, 11 p.m. | 32.1 ppb (31) | 10.5 ppb (10) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| April 7, 2021, 10 p.m. | 32.1 ppb (31) | 12.1 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 14.1 μg/m3 (56) | 56.0 | |
| April 7, 2021, 9 p.m. | 37.4 ppb (36) | 15.6 ppb (15) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 17.9 μg/m3 (64) | 64.0 | |
| April 7, 2021, 8 p.m. | 44.7 ppb (43) | 17.3 ppb (17) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| April 7, 2021, 7 p.m. | 44.2 ppb (42) | 19.3 ppb (19) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| April 7, 2021, 6 p.m. | 46.3 ppb (44) | 23.1 ppb (22) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 17.0 μg/m3 (62) | 62.0 | |
| April 7, 2021, 5 p.m. | 52.9 ppb (50) | 25.6 ppb (25) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 13.1 μg/m3 (54) | 54.0 | |
| April 7, 2021, 4 p.m. | 68.6 ppb (67) | 35.5 ppb (34) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 19.8 μg/m3 (68) | 68.0 | |
| April 7, 2021, 3 p.m. | 84.3 ppb (84) | 48.0 ppb (46) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 25.8 μg/m3 (80) | 84.0 | |
| April 7, 2021, 2 p.m. | 94.1 ppb (94) | 56.5 ppb (54) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 27.9 μg/m3 (85) | 94.0 | |
| April 7, 2021, 1 p.m. | 102.4 ppb (102) | 66.5 ppb (65) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 1.4 ppb (16) | N/A | 28.0 μg/m3 (85) | 102.0 | |
| April 7, 2021, noon | 106.2 ppb (102) | 73.8 ppb (73) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 1.4 ppb (16) | N/A | 27.0 μg/m3 (83) | 102.0 | |
| April 7, 2021, 11 a.m. | 97.6 ppb (98) | 69.6 ppb (68) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 1.5 ppb (18) | N/A | 28.0 μg/m3 (85) | 98.0 | |
| April 7, 2021, 10 a.m. | 83.0 ppb (82) | 55.8 ppb (53) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 1.5 ppb (18) | N/A | 27.0 μg/m3 (83) | 83.0 | |
| April 7, 2021, 9 a.m. | 84.4 ppb (84) | 56.9 ppb (55) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 1.6 ppb (19) | N/A | 25.1 μg/m3 (79) | 84.0 | |
| April 7, 2021, 8 a.m. | 48.4 ppb (46) | 24.6 ppb (24) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 27.9 μg/m3 (85) | 85.0 | |
| April 7, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 29.0 μg/m3 (87) | 87.0 | |
| April 7, 2021, 6 a.m. | 50.3 ppb (48) | 16.5 ppb (16) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 28.0 μg/m3 (85) | 85.0 | |
| April 7, 2021, 5 a.m. | 51.5 ppb (49) | 16.4 ppb (16) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (83) | 83.0 | |
| April 7, 2021, 4 a.m. | 52.9 ppb (50) | 17.6 ppb (17) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 1.4 ppb (16) | N/A | 25.1 μg/m3 (79) | 79.0 | |
| April 7, 2021, 3 a.m. | 56.9 ppb (55) | 19.7 ppb (19) | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 1.7 ppb (20) | N/A | 22.1 μg/m3 (73) | 73.0 | |
| April 7, 2021, 2 a.m. | 51.4 ppb (49) | 18.9 ppb (18) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | 1.4 ppb (16) | N/A | 20.1 μg/m3 (68) | 68.0 | |
| April 7, 2021, 1 a.m. | 49.5 ppb (47) | 17.6 ppb (17) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 15.2 μg/m3 (58) | 58.0 | |
| April 7, 2021, midnight | 54.6 ppb (52) | 20.5 ppb (20) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 6, 2021, 11 p.m. | 43.0 ppb (41) | 17.6 ppb (17) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 18.9 μg/m3 (66) | 66.0 | |
| April 6, 2021, 10 p.m. | 37.3 ppb (36) | 17.3 ppb (17) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 14.2 μg/m3 (56) | 56.0 | |
| April 6, 2021, 9 p.m. | 43.2 ppb (41) | 20.7 ppb (20) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 18.8 μg/m3 (66) | 66.0 | |
| April 6, 2021, 8 p.m. | 46.4 ppb (44) | 20.7 ppb (20) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| April 6, 2021, 7 p.m. | 51.8 ppb (49) | 25.9 ppb (25) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 18.1 μg/m3 (64) | 64.0 | |
| April 6, 2021, 6 p.m. | 54.6 ppb (52) | 28.8 ppb (28) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 19.9 μg/m3 (68) | 68.0 | |
| April 6, 2021, 5 p.m. | 58.4 ppb (56) | 31.7 ppb (30) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 21.9 μg/m3 (72) | 72.0 | |
| April 6, 2021, 4 p.m. | 69.4 ppb (68) | 40.7 ppb (39) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 25.9 μg/m3 (81) | 81.0 | |
| April 6, 2021, 3 p.m. | 80.1 ppb (79) | 49.4 ppb (47) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 27.0 μg/m3 (83) | 83.0 | |
| April 6, 2021, 2 p.m. | 96.8 ppb (97) | 63.4 ppb (62) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 23.1 μg/m3 (75) | 97.0 | |
| April 6, 2021, 1 p.m. | 109.2 ppb (103) | 74.4 ppb (73) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 18.1 μg/m3 (64) | 103.0 | |
| April 6, 2021, noon | 97.0 ppb (97) | 64.2 ppb (62) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 13.1 μg/m3 (54) | 97.0 | |
| April 6, 2021, 11 a.m. | 42.0 ppb (40) | 22.9 ppb (22) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 15.9 μg/m3 (59) | 59.0 | |
| April 6, 2021, 10 a.m. | 39.5 ppb (38) | 16.5 ppb (16) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 20.9 μg/m3 (70) | 70.0 | |
| April 6, 2021, 9 a.m. | 23.9 ppb (23) | 7.1 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 12.2 μg/m3 (52) | 52.0 | |
| April 6, 2021, 8 a.m. | 18.9 ppb (18) | 4.2 ppb (4) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 6, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 6, 2021, 6 a.m. | 17.4 ppb (17) | 2.3 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 6, 2021, 5 a.m. | 15.7 ppb (15) | 2.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 6, 2021, 4 a.m. | 14.0 ppb (14) | 2.7 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 6, 2021, 3 a.m. | 10.7 ppb (11) | 1.0 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 9.1 μg/m3 (38) | 38.0 | |
| April 6, 2021, 2 a.m. | 10.2 ppb (10) | 2.4 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 12.9 μg/m3 (53) | 53.0 | |
| April 6, 2021, 1 a.m. | 16.3 ppb (16) | 2.7 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 16.9 μg/m3 (62) | 62.0 | |
| April 6, 2021, midnight | 30.3 ppb (29) | 9.8 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 19.9 μg/m3 (68) | 68.0 | |
| April 5, 2021, 11 p.m. | 33.8 ppb (32) | 12.5 ppb (12) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| April 5, 2021, 10 p.m. | 36.8 ppb (35) | 15.0 ppb (15) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 21.0 μg/m3 (70) | 70.0 | |
| April 5, 2021, 9 p.m. | 43.4 ppb (41) | 17.9 ppb (17) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 23.0 μg/m3 (74) | 74.0 | |
| April 5, 2021, 8 p.m. | 46.7 ppb (45) | 20.6 ppb (20) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 20.1 μg/m3 (68) | 68.0 | |
| April 5, 2021, 7 p.m. | 51.0 ppb (49) | 23.2 ppb (22) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 1.2 ppb (14) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| April 5, 2021, 6 p.m. | 48.9 ppb (47) | 24.5 ppb (24) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 1.0 ppb (12) | N/A | 24.9 μg/m3 (78) | 78.0 | |
| April 5, 2021, 5 p.m. | 65.1 ppb (63) | 33.4 ppb (32) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 18.2 μg/m3 (64) | 64.0 | |
| April 5, 2021, 4 p.m. | 74.2 ppb (73) | 40.8 ppb (39) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 17.0 μg/m3 (62) | 73.0 | |
| April 5, 2021, 3 p.m. | 47.3 ppb (45) | 23.8 ppb (23) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 19.9 μg/m3 (68) | 68.0 | |
| April 5, 2021, 2 p.m. | 64.7 ppb (63) | 35.5 ppb (34) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | 0.9 ppb (11) | N/A | 24.9 μg/m3 (78) | 78.0 | |
| April 5, 2021, 1 p.m. | 94.9 ppb (95) | 52.5 ppb (50) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | 1.1 ppb (13) | N/A | 33.8 μg/m3 (97) | 97.0 | |
| April 5, 2021, noon | 98.7 ppb (99) | 54.5 ppb (52) | N/A | 44.0 ppb (42) | N/A | N/A | N/A | 1.3 ppb (15) | N/A | 34.0 μg/m3 (98) | 99.0 | |
| April 5, 2021, 11 a.m. | 94.6 ppb (95) | 51.2 ppb (49) | N/A | 43.0 ppb (41) | N/A | N/A | N/A | 1.4 ppb (16) | N/A | 23.3 μg/m3 (75) | 95.0 | |
| April 5, 2021, 10 a.m. | 74.1 ppb (73) | 35.6 ppb (34) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 22.0 μg/m3 (72) | 73.0 | |
| April 5, 2021, 9 a.m. | 42.2 ppb (40) | 9.7 ppb (10) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 24.9 μg/m3 (78) | 78.0 | |
| April 5, 2021, 8 a.m. | 37.6 ppb (36) | 6.5 ppb (7) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 27.9 μg/m3 (85) | 85.0 | |
| April 5, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 27.0 μg/m3 (83) | 83.0 | |
| April 5, 2021, 6 a.m. | 39.1 ppb (37) | 7.5 ppb (8) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 28.0 μg/m3 (85) | 85.0 | |
| April 5, 2021, 5 a.m. | 34.1 ppb (33) | 6.8 ppb (7) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (81) | 81.0 | |
| April 5, 2021, 4 a.m. | 38.3 ppb (37) | 7.0 ppb (7) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 26.0 μg/m3 (81) | 81.0 | |
| April 4, 2021, 10 a.m. | 69.2 ppb (68) | 35.4 ppb (34) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 37.0 μg/m3 (105) | 105.0 | |
| April 4, 2021, 9 a.m. | 69.2 ppb (68) | 34.7 ppb (33) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 34.1 μg/m3 (98) | 98.0 | |
| April 4, 2021, 8 a.m. | 66.3 ppb (65) | 35.7 ppb (34) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 36.9 μg/m3 (105) | 105.0 | |
| April 4, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 36.0 μg/m3 (103) | 103.0 | |
| April 4, 2021, 6 a.m. | 61.0 ppb (59) | 19.5 ppb (19) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 31.1 μg/m3 (91) | 91.0 | |
| April 4, 2021, 5 a.m. | 66.3 ppb (65) | 25.6 ppb (25) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | 33.9 μg/m3 (97) | 97.0 | |
| April 2, 2021, 6 p.m. | 15.8 ppb (15) | 9.3 ppb (9) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| April 2, 2021, 5 p.m. | 13.8 ppb (14) | 7.8 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| April 2, 2021, 4 p.m. | 15.3 ppb (15) | 9.4 ppb (9) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| April 2, 2021, 3 p.m. | 16.5 ppb (16) | 10.3 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 9.9 μg/m3 (42) | 42.0 | |
| April 2, 2021, 2 p.m. | 11.9 ppb (12) | 6.4 ppb (7) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| April 2, 2021, 1 p.m. | 15.3 ppb (15) | 8.1 ppb (8) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 2, 2021, noon | 29.6 ppb (28) | 14.6 ppb (14) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 2, 2021, 11 a.m. | 57.9 ppb (56) | 32.3 ppb (31) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 10.9 μg/m3 (46) | 56.0 | |
| April 2, 2021, 10 a.m. | 35.3 ppb (34) | 14.2 ppb (14) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 2, 2021, 9 a.m. | 26.7 ppb (26) | 9.9 ppb (10) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 2, 2021, 8 a.m. | 26.2 ppb (25) | 6.2 ppb (6) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 2, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| April 2, 2021, 6 a.m. | 22.6 ppb (22) | 3.9 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 2, 2021, 5 a.m. | 15.0 ppb (15) | 2.3 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 2, 2021, 4 a.m. | 13.7 ppb (13) | 2.3 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| April 2, 2021, 3 a.m. | 14.9 ppb (15) | 2.9 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| April 2, 2021, 2 a.m. | 11.0 ppb (11) | 2.6 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 2, 2021, 1 a.m. | 10.2 ppb (10) | 4.7 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 2, 2021, midnight | 6.6 ppb (7) | 2.3 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 6.1 μg/m3 (26) | 26.0 | |
| April 1, 2021, 11 p.m. | 4.5 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 7.0 μg/m3 (30) | 30.0 | |
| April 1, 2021, 10 p.m. | 3.8 ppb (4) | 1.8 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 8.9 μg/m3 (38) | 38.0 | |
| April 1, 2021, 9 p.m. | 4.1 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 6.1 μg/m3 (26) | 26.0 | |
| April 1, 2021, 8 p.m. | 4.6 ppb (5) | 2.6 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| April 1, 2021, 7 p.m. | 6.4 ppb (7) | 3.6 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| April 1, 2021, 6 p.m. | 4.1 ppb (4) | 1.9 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 6.1 μg/m3 (26) | 26.0 | |
| April 1, 2021, 5 p.m. | 4.6 ppb (5) | 2.4 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| April 1, 2021, 4 p.m. | 4.0 ppb (4) | 2.4 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| April 1, 2021, 3 p.m. | 3.5 ppb (4) | 1.5 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 8.0 μg/m3 (34) | 34.0 |