Denver (Central E Denver) CO, US: 39.7386, -104.9394
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 28, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 11.6 μg/m3 (49) | 49.0 | |
| July 28, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (52) | 12.5 μg/m3 (52) | 52.0 | |
| July 28, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.7 μg/m3 (45) | 45.0 | |
| July 28, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 10.0 μg/m3 (42) | 42.0 | |
| July 28, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 10.4 μg/m3 (44) | 44.0 | |
| July 28, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 10.7 μg/m3 (45) | 45.0 | |
| July 28, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 8.6 μg/m3 (36) | 36.0 | |
| July 28, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 5.7 μg/m3 (24) | 24.0 | |
| July 28, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 5.5 μg/m3 (23) | 23.0 | |
| July 28, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 5.7 μg/m3 (24) | 24.0 | |
| July 28, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 6.5 μg/m3 (28) | 28.0 | |
| July 28, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 5.5 μg/m3 (23) | 23.0 | |
| July 28, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 4.8 μg/m3 (20) | 20.0 | |
| July 28, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 5.6 μg/m3 (24) | 24.0 | |
| July 28, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 6.7 μg/m3 (28) | 28.0 | |
| July 28, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 6.9 μg/m3 (29) | 29.0 | |
| July 28, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 7.4 μg/m3 (31) | 31.0 | |
| July 28, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 7.5 μg/m3 (32) | 32.0 | |
| July 28, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 7.9 μg/m3 (33) | 33.0 | |
| July 27, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 9.2 μg/m3 (39) | 39.0 | |
| July 27, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 10.2 μg/m3 (43) | 43.0 | |
| July 27, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 10.1 μg/m3 (43) | 43.0 | |
| July 27, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 9.6 μg/m3 (40) | 40.0 | |
| July 27, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 11.0 μg/m3 (46) | 46.0 | |
| July 27, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 12.3 μg/m3 (52) | 52.0 | |
| July 27, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 14.0 μg/m3 (55) | 55.0 | |
| July 27, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 15.1 μg/m3 (58) | 58.0 | |
| July 27, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 15.0 μg/m3 (58) | 58.0 | |
| July 27, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 15.6 μg/m3 (59) | 59.0 | |
| July 27, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 15.6 μg/m3 (59) | 59.0 | |
| July 27, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 15.9 μg/m3 (59) | 59.0 | |
| July 27, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 15.8 μg/m3 (59) | 59.0 | |
| July 27, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 15.9 μg/m3 (59) | 59.0 | |
| July 27, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 13.7 μg/m3 (55) | 55.0 | |
| July 27, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 11.3 μg/m3 (48) | 48.0 | |
| July 27, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 9.6 μg/m3 (40) | 40.0 | |
| July 27, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 10.9 μg/m3 (46) | 46.0 | |
| July 27, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 9.2 μg/m3 (39) | 39.0 | |
| July 27, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 10.5 μg/m3 (44) | 44.0 | |
| July 27, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 12.0 μg/m3 (50) | 50.0 | |
| July 27, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 14.0 μg/m3 (55) | 55.0 | |
| July 27, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 14.3 μg/m3 (56) | 56.0 | |
| July 27, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 14.8 μg/m3 (57) | 57.0 | |
| July 26, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 15.4 μg/m3 (58) | 58.0 | |
| July 26, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 16.0 μg/m3 (60) | 60.0 | |
| July 26, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 16.5 μg/m3 (61) | 61.0 | |
| July 26, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (38) | 17.9 μg/m3 (64) | 64.0 | |
| July 26, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 20.4 μg/m3 (69) | 69.0 | |
| July 26, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 18.7 μg/m3 (65) | 65.0 | |
| July 26, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 17.7 μg/m3 (63) | 63.0 | |
| July 26, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 17.5 μg/m3 (63) | 63.0 | |
| July 26, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 16.2 μg/m3 (60) | 60.0 | |
| July 26, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 16.7 μg/m3 (61) | 61.0 | |
| July 26, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 19.6 μg/m3 (67) | 67.0 | |
| July 26, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 18.6 μg/m3 (65) | 65.0 | |
| July 26, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 18.3 μg/m3 (65) | 65.0 | |
| July 26, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (29) | 18.0 μg/m3 (64) | 64.0 | |
| July 26, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 17.2 μg/m3 (62) | 62.0 | |
| July 26, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 15.8 μg/m3 (59) | 59.0 | |
| July 26, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 15.0 μg/m3 (58) | 58.0 | |
| July 26, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 15.2 μg/m3 (58) | 58.0 | |
| July 26, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 14.2 μg/m3 (56) | 56.0 | |
| July 26, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 12.5 μg/m3 (52) | 52.0 | |
| July 26, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 11.6 μg/m3 (49) | 49.0 | |
| July 26, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 10.6 μg/m3 (45) | 45.0 | |
| July 26, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 10.0 μg/m3 (42) | 42.0 | |
| July 26, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 8.9 μg/m3 (38) | 38.0 | |
| July 25, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 12.2 μg/m3 (52) | 52.0 | |
| July 25, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 15.7 μg/m3 (59) | 59.0 | |
| July 25, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 15.4 μg/m3 (58) | 58.0 | |
| July 25, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 15.0 μg/m3 (58) | 58.0 | |
| July 25, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 17.5 μg/m3 (63) | 63.0 | |
| July 25, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 23.2 μg/m3 (75) | 75.0 | |
| July 25, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (49) | 28.8 μg/m3 (87) | 87.0 | |
| July 25, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 μg/m3 (52) | 30.9 μg/m3 (91) | 91.0 | |
| July 25, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 μg/m3 (51) | 31.2 μg/m3 (92) | 92.0 | |
| July 25, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 μg/m3 (50) | 31.5 μg/m3 (92) | 92.0 | |
| July 25, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (47) | 31.6 μg/m3 (93) | 93.0 | |
| July 25, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 28.7 μg/m3 (86) | 86.0 | |
| July 25, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 μg/m3 (50) | 33.0 μg/m3 (95) | 95.0 | |
| July 25, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (55) | 38.8 μg/m3 (110) | 110.0 | |
| July 25, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 μg/m3 (56) | 40.0 μg/m3 (113) | 113.0 | |
| July 25, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 μg/m3 (56) | 39.7 μg/m3 (112) | 112.0 | |
| July 25, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 μg/m3 (56) | 39.4 μg/m3 (111) | 111.0 | |
| July 25, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 μg/m3 (57) | 39.9 μg/m3 (112) | 112.0 | |
| July 25, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 μg/m3 (57) | 39.5 μg/m3 (111) | 111.0 | |
| July 25, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (59) | 41.0 μg/m3 (115) | 115.0 | |
| July 25, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 μg/m3 (59) | 40.3 μg/m3 (113) | 113.0 | |
| July 25, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 μg/m3 (57) | 37.9 μg/m3 (107) | 107.0 | |
| July 25, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (55) | 36.4 μg/m3 (104) | 104.0 | |
| July 25, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 μg/m3 (58) | 38.9 μg/m3 (110) | 110.0 | |
| July 24, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 μg/m3 (59) | 42.3 μg/m3 (118) | 118.0 | |
| July 24, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 μg/m3 (64) | 47.7 μg/m3 (132) | 132.0 | |
| July 24, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 μg/m3 (61) | 43.0 μg/m3 (120) | 120.0 | |
| July 24, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (53) | 33.4 μg/m3 (96) | 96.0 | |
| July 24, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 μg/m3 (75) | 29.1 μg/m3 (87) | 87.0 | |
| July 24, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 15.9 μg/m3 (59) | 59.0 | |
| July 24, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 13.5 μg/m3 (54) | 54.0 | |
| July 24, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 12.4 μg/m3 (52) | 52.0 | |
| July 24, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (35) | 12.6 μg/m3 (53) | 53.0 | |
| July 24, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 11.7 μg/m3 (49) | 49.0 | |
| July 24, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 11.9 μg/m3 (50) | 50.0 | |
| July 24, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 8.7 μg/m3 (37) | 37.0 | |
| July 24, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 5.8 μg/m3 (25) | 25.0 | |
| July 24, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 5.2 μg/m3 (22) | 22.0 | |
| July 24, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 4.6 μg/m3 (20) | 20.0 | |
| July 24, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 5.2 μg/m3 (22) | 22.0 | |
| July 24, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 5.4 μg/m3 (23) | 23.0 | |
| July 24, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 6.2 μg/m3 (26) | 26.0 | |
| July 24, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 6.8 μg/m3 (29) | 29.0 | |
| July 24, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 8.2 μg/m3 (35) | 35.0 | |
| July 24, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 7.7 μg/m3 (33) | 33.0 | |
| July 24, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 8.8 μg/m3 (37) | 37.0 | |
| July 24, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 7.2 μg/m3 (31) | 31.0 | |
| July 24, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 8.9 μg/m3 (38) | 38.0 | |
| July 23, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.0 μg/m3 (42) | 42.0 | |
| July 23, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 95.0 μg/m3 (71) | 10.9 μg/m3 (46) | 71.0 | |
| July 23, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 86.0 μg/m3 (67) | 10.8 μg/m3 (46) | 67.0 | |
| July 23, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 8.2 μg/m3 (35) | 35.0 | |
| July 23, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 8.5 μg/m3 (36) | 36.0 | |
| July 23, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 8.7 μg/m3 (37) | 37.0 | |
| July 23, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 7.6 μg/m3 (32) | 32.0 | |
| July 23, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 7.6 μg/m3 (32) | 32.0 | |
| July 23, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 8.9 μg/m3 (38) | 38.0 | |
| July 23, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 10.3 μg/m3 (43) | 43.0 | |
| July 23, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 10.0 μg/m3 (42) | 42.0 | |
| July 23, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 9.2 μg/m3 (39) | 39.0 | |
| July 23, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 8.6 μg/m3 (36) | 36.0 | |
| July 23, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (16) | 7.7 μg/m3 (33) | 33.0 | |
| July 23, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 7.4 μg/m3 (31) | 31.0 | |
| July 23, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 7.1 μg/m3 (30) | 30.0 | |
| July 23, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 6.7 μg/m3 (28) | 28.0 | |
| July 23, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 6.3 μg/m3 (27) | 27.0 | |
| July 23, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 7.3 μg/m3 (31) | 31.0 | |
| July 23, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 8.3 μg/m3 (35) | 35.0 | |
| July 23, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 8.8 μg/m3 (37) | 37.0 | |
| July 23, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 10.8 μg/m3 (46) | 46.0 | |
| July 23, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 10.7 μg/m3 (45) | 45.0 | |
| July 23, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 10.5 μg/m3 (44) | 44.0 | |
| July 22, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 8.6 μg/m3 (36) | 36.0 | |
| July 22, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 7.7 μg/m3 (33) | 33.0 | |
| July 22, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 9.3 μg/m3 (39) | 39.0 | |
| July 22, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (32) | 9.7 μg/m3 (41) | 41.0 | |
| July 22, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 9.2 μg/m3 (39) | 39.0 | |
| July 22, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 8.8 μg/m3 (37) | 37.0 | |
| July 22, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (38) | 11.2 μg/m3 (47) | 47.0 | |
| July 22, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (40) | 11.2 μg/m3 (47) | 47.0 | |
| July 22, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 9.9 μg/m3 (42) | 42.0 | |
| July 22, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (30) | 8.5 μg/m3 (36) | 36.0 | |
| July 22, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (24) | 8.3 μg/m3 (35) | 35.0 | |
| July 22, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 8.1 μg/m3 (34) | 34.0 | |
| July 22, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 7.3 μg/m3 (31) | 31.0 | |
| July 22, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 6.8 μg/m3 (29) | 29.0 | |
| July 22, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 6.6 μg/m3 (28) | 28.0 | |
| July 22, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 5.7 μg/m3 (24) | 24.0 | |
| July 22, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 5.4 μg/m3 (23) | 23.0 | |
| July 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 6.0 μg/m3 (25) | 25.0 | |
| July 22, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 6.1 μg/m3 (26) | 26.0 | |
| July 22, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 7.2 μg/m3 (31) | 31.0 | |
| July 22, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 7.7 μg/m3 (33) | 33.0 | |
| July 22, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 9.0 μg/m3 (38) | 38.0 | |
| July 22, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 11.1 μg/m3 (47) | 47.0 | |
| July 22, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 12.4 μg/m3 (52) | 52.0 | |
| July 21, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (44) | 11.5 μg/m3 (48) | 48.0 | |
| July 21, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (31) | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 9.1 μg/m3 (38) | 38.0 | |
| July 21, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 11.1 μg/m3 (47) | 47.0 | |
| July 21, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (50) | 15.5 μg/m3 (59) | 59.0 |