Clinton (El Tapatio) IA, US: 41.823101, -90.211899
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 10, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 1.8 μg/m3 (8) | 8.0 | |
| April 10, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 2.0 μg/m3 (9) | 9.0 | |
| April 10, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| April 10, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.8 μg/m3 (12) | 12.0 | |
| April 10, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 3.0 μg/m3 (13) | 13.0 | |
| April 10, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 3.1 μg/m3 (13) | 13.0 | |
| April 10, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.1 μg/m3 (18) | 18.0 | |
| April 10, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.6 μg/m3 (20) | 20.0 | |
| April 10, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| April 10, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| April 9, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| April 9, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| April 9, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.7 μg/m3 (20) | 20.0 | |
| April 9, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 4.9 μg/m3 (21) | 21.0 | |
| April 9, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 4.4 μg/m3 (19) | 19.0 | |
| April 9, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 4.4 μg/m3 (19) | 19.0 | |
| April 9, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| April 9, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.9 μg/m3 (25) | 25.0 | |
| April 9, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.1 μg/m3 (22) | 22.0 | |
| April 9, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| April 9, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| April 9, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.3 μg/m3 (18) | 18.0 | |
| April 9, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.3 μg/m3 (18) | 18.0 | |
| April 9, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 3.2 μg/m3 (14) | 14.0 | |
| April 9, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.1 μg/m3 (18) | 18.0 | |
| April 9, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| April 9, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.1 μg/m3 (22) | 22.0 | |
| April 9, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.9 μg/m3 (25) | 25.0 | |
| April 9, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.7 μg/m3 (24) | 24.0 | |
| April 9, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| April 9, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
| April 9, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.4 μg/m3 (27) | 27.0 | |
| April 9, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.8 μg/m3 (33) | 33.0 | |
| April 9, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| April 8, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 5.6 μg/m3 (24) | 24.0 | |
| April 8, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 6.3 μg/m3 (27) | 27.0 | |
| April 8, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 8.9 μg/m3 (38) | 38.0 | |
| April 8, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
| April 8, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 8.7 μg/m3 (37) | 37.0 | |
| April 8, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 10.7 μg/m3 (45) | 45.0 | |
| April 8, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | N/A | 5.0 | |
| April 8, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 13.7 μg/m3 (55) | 55.0 | |
| April 8, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
| April 8, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 9.3 μg/m3 (39) | 39.0 | |
| April 8, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| April 8, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.9 μg/m3 (38) | 38.0 | |
| April 8, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
| April 8, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.2 μg/m3 (43) | 43.0 | |
| April 8, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 6.1 μg/m3 (26) | 26.0 | |
| April 8, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.8 μg/m3 (20) | 20.0 | |
| April 8, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.2 μg/m3 (18) | 18.0 | |
| April 8, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.7 μg/m3 (20) | 20.0 | |
| April 8, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.5 μg/m3 (19) | 19.0 | |
| April 8, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| April 8, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 7.3 μg/m3 (31) | 31.0 | |
| April 8, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
| April 8, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
| April 8, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 6.5 μg/m3 (28) | 28.0 | |
| April 7, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 6.7 μg/m3 (28) | 28.0 | |
| April 7, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 5.6 μg/m3 (24) | 24.0 | |
| April 7, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 6.8 μg/m3 (29) | 29.0 | |
| April 7, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 7.5 μg/m3 (32) | 32.0 | |
| April 7, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
| April 7, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 13.7 μg/m3 (55) | 55.0 | |
| April 7, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 16.9 μg/m3 (62) | 62.0 | |
| April 7, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 16.7 μg/m3 (61) | 61.0 | |
| April 7, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 15.6 μg/m3 (59) | 59.0 | |
| April 7, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (13) | N/A | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 7, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | N/A | N/A | N/A | 15.3 μg/m3 (58) | 58.0 | |
| April 7, 2021, noon | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (8) | N/A | N/A | N/A | 17.4 μg/m3 (63) | 63.0 | |
| April 7, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (8) | N/A | N/A | N/A | 18.1 μg/m3 (64) | 64.0 | |
| April 7, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (8) | N/A | N/A | N/A | 18.5 μg/m3 (65) | 65.0 | |
| April 7, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (8) | N/A | N/A | N/A | 20.5 μg/m3 (69) | 69.0 | |
| April 7, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 23.1 μg/m3 (75) | 75.0 | |
| April 7, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (12) | N/A | N/A | N/A | 25.7 μg/m3 (80) | 80.0 | |
| April 7, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.3 μg/m3 (81) | 81.0 | |
| April 7, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | N/A | 25.4 μg/m3 (79) | 79.0 | |
| April 7, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (13) | N/A | N/A | N/A | 26.5 μg/m3 (82) | 82.0 | |
| April 7, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 23.7 μg/m3 (76) | 76.0 | |
| April 7, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (8) | N/A | N/A | N/A | 22.9 μg/m3 (74) | 74.0 | |
| April 7, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| April 7, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (13) | N/A | N/A | N/A | 17.3 μg/m3 (62) | 62.0 | |
| April 6, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | N/A | N/A | N/A | 15.5 μg/m3 (59) | 59.0 | |
| April 6, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 15.5 μg/m3 (59) | 59.0 | |
| April 6, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 15.7 μg/m3 (59) | 59.0 | |
| April 6, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.7 μg/m3 (57) | 57.0 | |
| April 6, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 15.5 μg/m3 (59) | 59.0 | |
| April 6, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 6, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
| April 6, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 17.7 μg/m3 (63) | 63.0 | |
| April 6, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 17.7 μg/m3 (63) | 63.0 | |
| April 6, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 17.3 μg/m3 (62) | 62.0 | |
| April 6, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 17.3 μg/m3 (62) | 62.0 | |
| April 6, 2021, noon | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | N/A | 18.1 μg/m3 (64) | 64.0 | |
| April 6, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (13) | N/A | N/A | N/A | 17.6 μg/m3 (63) | 63.0 | |
| April 6, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (12) | N/A | N/A | N/A | 16.2 μg/m3 (60) | 60.0 | |
| April 6, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (25) | N/A | N/A | N/A | 15.8 μg/m3 (59) | 59.0 | |
| April 6, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 14.9 μg/m3 (57) | 57.0 | |
| April 6, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 13.5 μg/m3 (54) | 54.0 | |
| April 6, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.3 μg/m3 (52) | 52.0 | |
| April 6, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 13.2 μg/m3 (54) | 54.0 | |
| April 6, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 14.4 μg/m3 (56) | 56.0 | |
| April 6, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 14.9 μg/m3 (57) | 57.0 | |
| April 6, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 11.3 μg/m3 (48) | 48.0 | |
| April 6, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 12.5 μg/m3 (52) | 52.0 | |
| April 6, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 5, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 5, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 11.6 μg/m3 (49) | 49.0 | |
| April 5, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 12.5 μg/m3 (52) | 52.0 | |
| April 5, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 5, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 13.1 μg/m3 (54) | 54.0 | |
| April 5, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 13.9 μg/m3 (55) | 55.0 | |
| April 5, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 15.4 μg/m3 (58) | 58.0 | |
| April 5, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 17.7 μg/m3 (63) | 63.0 | |
| April 5, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 24.4 μg/m3 (77) | 77.0 | |
| April 5, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 24.7 μg/m3 (78) | 78.0 | |
| April 5, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 23.4 μg/m3 (75) | 75.0 | |
| April 5, 2021, noon | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
| April 5, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 25.4 μg/m3 (79) | 79.0 | |
| April 5, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 27.9 μg/m3 (85) | 85.0 | |
| April 5, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 23.7 μg/m3 (76) | 76.0 | |
| April 5, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 17.4 μg/m3 (63) | 63.0 | |
| April 5, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| April 5, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.2 μg/m3 (64) | 64.0 | |
| April 5, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | N/A | N/A | N/A | 20.2 μg/m3 (69) | 69.0 | |
| April 5, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | N/A | 20.4 μg/m3 (69) | 69.0 | |
| April 5, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (15) | N/A | N/A | N/A | 24.3 μg/m3 (77) | 77.0 | |
| April 5, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (12) | N/A | N/A | N/A | 28.3 μg/m3 (86) | 86.0 | |
| April 5, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (15) | N/A | N/A | N/A | 31.6 μg/m3 (93) | 93.0 | |
| April 5, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 27.8 μg/m3 (85) | 85.0 | |
| April 4, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 24.5 μg/m3 (78) | 78.0 | |
| April 4, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 21.4 μg/m3 (71) | 71.0 | |
| April 4, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | N/A | 19.4 μg/m3 (67) | 67.0 | |
| April 4, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 20.4 μg/m3 (69) | 69.0 | |
| April 4, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 24.3 μg/m3 (77) | 77.0 | |
| April 4, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | N/A | N/A | N/A | 26.6 μg/m3 (82) | 82.0 | |
| April 4, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 30.4 μg/m3 (90) | 90.0 | |
| April 4, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | N/A | N/A | N/A | 34.1 μg/m3 (98) | 98.0 | |
| April 4, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (8) | N/A | N/A | N/A | 41.7 μg/m3 (117) | 117.0 | |
| April 4, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (5) | N/A | N/A | N/A | 34.9 μg/m3 (99) | 99.0 | |
| April 4, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 36.2 μg/m3 (103) | 103.0 | |
| April 4, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 36.6 μg/m3 (104) | 104.0 | |
| April 4, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 39.5 μg/m3 (111) | 111.0 | |
| April 4, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 44.8 μg/m3 (124) | 124.0 | |
| April 4, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 54.1 μg/m3 (147) | 147.0 | |
| April 4, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 62.9 μg/m3 (155) | 155.0 | |
| April 4, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 63.3 μg/m3 (156) | 156.0 | |
| April 4, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.4 μg/m3 (158) | 158.0 | |
| April 4, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 67.3 μg/m3 (158) | 158.0 | |
| April 4, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 51.7 μg/m3 (141) | 141.0 | |
| April 4, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 38.6 μg/m3 (109) | 109.0 | |
| April 4, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 30.7 μg/m3 (91) | 91.0 | |
| April 4, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 39.7 μg/m3 (112) | 112.0 | |
| April 4, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 28.0 μg/m3 (85) | 85.0 | |
| April 3, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 24.4 μg/m3 (77) | 77.0 | |
| April 3, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 21.1 μg/m3 (70) | 70.0 | |
| April 3, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 20.4 μg/m3 (69) | 69.0 | |
| April 3, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 22.6 μg/m3 (74) | 74.0 | |
| April 3, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 23.7 μg/m3 (76) | 76.0 | |
| April 3, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 27.4 μg/m3 (84) | 84.0 | |
| April 3, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 31.9 μg/m3 (93) | 93.0 | |
| April 3, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 33.6 μg/m3 (97) | 97.0 | |
| April 3, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 34.2 μg/m3 (98) | 98.0 | |
| April 3, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 34.0 μg/m3 (98) | 98.0 | |
| April 3, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 31.8 μg/m3 (93) | 93.0 | |
| April 3, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 29.8 μg/m3 (89) | 89.0 | |
| April 3, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 23.4 μg/m3 (75) | 75.0 | |
| April 3, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 19.6 μg/m3 (67) | 67.0 |