Middlesboro (Paramount) KY, US: 36.6081, -83.7369
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 24.2 μg/m3 (77) | 77.0 | |
| Aug. 3, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 26.2 μg/m3 (81) | 81.0 | |
| Aug. 3, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 25.5 μg/m3 (80) | 80.0 | |
| Aug. 3, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 25.9 μg/m3 (81) | 81.0 | |
| Aug. 3, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 29.0 μg/m3 (87) | 87.0 | |
| Aug. 3, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 37.2 μg/m3 (106) | 106.0 | |
| Aug. 3, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 31.6 μg/m3 (93) | 93.0 | |
| Aug. 3, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 30.3 μg/m3 (90) | 90.0 | |
| Aug. 3, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 30.4 μg/m3 (90) | 90.0 | |
| Aug. 3, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 28.4 μg/m3 (86) | 86.0 | |
| Aug. 3, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 27.6 μg/m3 (84) | 84.0 | |
| Aug. 3, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 26.9 μg/m3 (83) | 83.0 | |
| Aug. 3, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 27.4 μg/m3 (84) | 84.0 | |
| Aug. 3, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 27.3 μg/m3 (83) | 83.0 | |
| Aug. 3, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 27.7 μg/m3 (84) | 84.0 | |
| Aug. 3, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 27.5 μg/m3 (84) | 84.0 | |
| Aug. 3, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 27.2 μg/m3 (83) | 83.0 | |
| Aug. 3, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.8 μg/m3 (82) | 82.0 | |
| Aug. 3, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 26.7 μg/m3 (82) | 82.0 | |
| Aug. 3, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 26.4 μg/m3 (82) | 82.0 | |
| Aug. 3, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 25.7 μg/m3 (80) | 80.0 | |
| Aug. 3, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 25.8 μg/m3 (80) | 80.0 | |
| Aug. 3, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 26.4 μg/m3 (82) | 82.0 | |
| Aug. 2, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 25.6 μg/m3 (80) | 80.0 | |
| Aug. 2, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 23.5 μg/m3 (75) | 75.0 | |
| Aug. 2, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 23.3 μg/m3 (75) | 75.0 | |
| Aug. 2, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 24.0 μg/m3 (77) | 77.0 | |
| Aug. 2, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 23.6 μg/m3 (76) | 76.0 | |
| Aug. 2, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 23.4 μg/m3 (75) | 75.0 | |
| Aug. 2, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 23.4 μg/m3 (75) | 75.0 | |
| Aug. 2, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 21.9 μg/m3 (72) | 72.0 | |
| Aug. 2, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 26.2 μg/m3 (81) | 81.0 | |
| Aug. 2, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 25.1 μg/m3 (79) | 79.0 | |
| Aug. 2, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 18.9 μg/m3 (66) | 66.0 | |
| Aug. 2, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 16.4 μg/m3 (61) | 61.0 | |
| Aug. 2, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | N/A | 17.1 μg/m3 (62) | 62.0 | |
| Aug. 2, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 18.9 μg/m3 (66) | 66.0 | |
| Aug. 2, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 19.1 μg/m3 (66) | 66.0 | |
| Aug. 2, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 17.8 μg/m3 (63) | 63.0 | |
| Aug. 2, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 18.7 μg/m3 (65) | 65.0 | |
| Aug. 2, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 18.6 μg/m3 (65) | 65.0 | |
| Aug. 2, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.1 μg/m3 (64) | 64.0 | |
| Aug. 2, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 17.9 μg/m3 (64) | 64.0 | |
| Aug. 2, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 16.6 μg/m3 (61) | 61.0 | |
| Aug. 2, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 19.2 μg/m3 (66) | 66.0 | |
| Aug. 2, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 21.6 μg/m3 (71) | 71.0 | |
| Aug. 2, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 19.6 μg/m3 (67) | 67.0 | |
| Aug. 1, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 26.8 μg/m3 (82) | 82.0 | |
| Aug. 1, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 34.6 μg/m3 (99) | 99.0 | |
| Aug. 1, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 36.2 μg/m3 (103) | 103.0 | |
| Aug. 1, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 34.3 μg/m3 (98) | 98.0 | |
| Aug. 1, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 24.5 μg/m3 (78) | 78.0 | |
| Aug. 1, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 25.2 μg/m3 (79) | 79.0 | |
| Aug. 1, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 33.4 μg/m3 (96) | 96.0 | |
| Aug. 1, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 32.5 μg/m3 (94) | 94.0 | |
| Aug. 1, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 28.4 μg/m3 (86) | 86.0 | |
| Aug. 1, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 23.4 μg/m3 (75) | 75.0 | |
| Aug. 1, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 20.3 μg/m3 (69) | 69.0 | |
| Aug. 1, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 16.2 μg/m3 (60) | 60.0 | |
| Aug. 1, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 24.5 μg/m3 (78) | 78.0 | |
| Aug. 1, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 31.4 μg/m3 (92) | 92.0 | |
| Aug. 1, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.2 μg/m3 (98) | 98.0 | |
| Aug. 1, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 35.3 μg/m3 (100) | 100.0 | |
| Aug. 1, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | 36.9 μg/m3 (105) | 105.0 | |
| Aug. 1, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 36.2 μg/m3 (103) | 103.0 | |
| Aug. 1, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.5 μg/m3 (101) | 101.0 | |
| Aug. 1, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 35.9 μg/m3 (102) | 102.0 | |
| Aug. 1, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 35.1 μg/m3 (100) | 100.0 | |
| Aug. 1, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 34.7 μg/m3 (99) | 99.0 | |
| Aug. 1, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 34.9 μg/m3 (99) | 99.0 | |
| Aug. 1, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 33.0 μg/m3 (95) | 95.0 | |
| July 31, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 31.2 μg/m3 (92) | 92.0 | |
| July 31, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 33.6 μg/m3 (97) | 97.0 | |
| July 31, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 36.4 μg/m3 (104) | 104.0 | |
| July 31, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | N/A | 38.2 μg/m3 (108) | 108.0 | |
| July 31, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 35.4 μg/m3 (100) | 100.0 | |
| July 31, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 31.1 μg/m3 (91) | 91.0 | |
| July 31, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 32.4 μg/m3 (94) | 94.0 | |
| July 31, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 29.4 μg/m3 (88) | 88.0 | |
| July 31, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 24.4 μg/m3 (77) | 77.0 | |
| July 31, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 24.3 μg/m3 (77) | 77.0 | |
| July 31, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 24.7 μg/m3 (78) | 78.0 | |
| July 31, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 23.9 μg/m3 (76) | 76.0 | |
| July 31, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 26.3 μg/m3 (81) | 81.0 | |
| July 31, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 28.0 μg/m3 (85) | 85.0 | |
| July 31, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | N/A | 23.2 μg/m3 (75) | 75.0 | |
| July 31, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 25.7 μg/m3 (80) | 80.0 | |
| July 31, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 24.3 μg/m3 (77) | 77.0 | |
| July 31, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 23.6 μg/m3 (76) | 76.0 | |
| July 31, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.6 μg/m3 (74) | 74.0 | |
| July 31, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| July 31, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| July 31, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 21.2 μg/m3 (71) | 71.0 | |
| July 31, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 22.1 μg/m3 (73) | 73.0 | |
| July 31, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 19.6 μg/m3 (67) | 67.0 | |
| July 30, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 17.1 μg/m3 (62) | 62.0 | |
| July 30, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 15.9 μg/m3 (59) | 59.0 | |
| July 30, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 14.8 μg/m3 (57) | 57.0 | |
| July 30, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 13.2 μg/m3 (54) | 54.0 | |
| July 30, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 10.0 μg/m3 (42) | 48.0 | |
| July 30, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 8.2 μg/m3 (35) | 48.0 | |
| July 30, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 7.1 μg/m3 (30) | 48.0 | |
| July 30, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 6.5 μg/m3 (28) | 48.0 | |
| July 30, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 5.1 μg/m3 (22) | 46.0 | |
| July 30, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 4.8 μg/m3 (20) | 44.0 | |
| July 30, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 4.7 μg/m3 (20) | 42.0 | |
| July 30, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 5.5 μg/m3 (23) | 42.0 | |
| July 30, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 6.7 μg/m3 (28) | 47.0 | |
| July 30, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 18.8 μg/m3 (66) | 66.0 | |
| July 30, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 22.9 μg/m3 (74) | 74.0 | |
| July 30, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 22.9 μg/m3 (74) | 74.0 | |
| July 30, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 22.7 μg/m3 (74) | 74.0 | |
| July 30, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 23.5 μg/m3 (75) | 75.0 | |
| July 30, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.3 μg/m3 (75) | 75.0 | |
| July 30, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | N/A | 23.6 μg/m3 (76) | 76.0 | |
| July 30, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 23.1 μg/m3 (75) | 75.0 | |
| July 30, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 22.1 μg/m3 (73) | 73.0 | |
| July 30, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 20.2 μg/m3 (69) | 69.0 | |
| July 30, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 20.9 μg/m3 (70) | 70.0 | |
| July 29, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 19.6 μg/m3 (67) | 67.0 | |
| July 29, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 20.8 μg/m3 (70) | 70.0 | |
| July 29, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 20.6 μg/m3 (69) | 69.0 | |
| July 29, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 20.6 μg/m3 (69) | 69.0 | |
| July 29, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 20.6 μg/m3 (69) | 69.0 | |
| July 29, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 20.9 μg/m3 (70) | 70.0 | |
| July 29, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 22.9 μg/m3 (74) | 74.0 | |
| July 29, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| July 29, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 31.4 μg/m3 (92) | 92.0 | |
| July 29, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 33.4 μg/m3 (96) | 96.0 | |
| July 29, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 24.8 μg/m3 (78) | 78.0 | |
| July 29, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 24.0 μg/m3 (77) | 77.0 | |
| July 29, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 26.6 μg/m3 (82) | 82.0 | |
| July 29, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 29.5 μg/m3 (88) | 88.0 | |
| July 29, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 29.1 μg/m3 (87) | 87.0 | |
| July 29, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 29.3 μg/m3 (88) | 88.0 | |
| July 29, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 30.1 μg/m3 (89) | 89.0 | |
| July 29, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 27.7 μg/m3 (84) | 84.0 | |
| July 29, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.1 μg/m3 (83) | 83.0 | |
| July 29, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 27.0 μg/m3 (83) | 83.0 | |
| July 29, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 27.5 μg/m3 (84) | 84.0 | |
| July 29, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 27.3 μg/m3 (83) | 83.0 | |
| July 29, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 27.2 μg/m3 (83) | 83.0 | |
| July 29, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 26.6 μg/m3 (82) | 82.0 | |
| July 28, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 23.1 μg/m3 (75) | 75.0 | |
| July 28, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 24.3 μg/m3 (77) | 77.0 | |
| July 28, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 23.9 μg/m3 (76) | 76.0 | |
| July 28, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 23.3 μg/m3 (75) | 75.0 | |
| July 28, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 20.3 μg/m3 (69) | 69.0 | |
| July 28, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | N/A | 18.8 μg/m3 (66) | 66.0 | |
| July 28, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| July 28, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| July 28, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 20.5 μg/m3 (69) | 69.0 | |
| July 28, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| July 28, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 18.1 μg/m3 (64) | 64.0 | |
| July 28, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 18.2 μg/m3 (64) | 64.0 | |
| July 28, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 19.2 μg/m3 (66) | 66.0 | |
| July 28, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 19.2 μg/m3 (66) | 66.0 | |
| July 28, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 18.6 μg/m3 (65) | 65.0 | |
| July 28, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| July 28, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 19.8 μg/m3 (68) | 68.0 | |
| July 28, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 20.8 μg/m3 (70) | 70.0 | |
| July 28, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| July 28, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 18.3 μg/m3 (65) | 65.0 | |
| July 28, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 18.2 μg/m3 (64) | 64.0 | |
| July 28, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 21.9 μg/m3 (72) | 72.0 | |
| July 28, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 19.5 μg/m3 (67) | 67.0 | |
| July 28, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 15.7 μg/m3 (59) | 59.0 | |
| July 27, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 14.5 μg/m3 (57) | 57.0 |