ID: 2423

AQSQID: 300130001

Site Name: Great Falls Overlook Park

Added: April 21, 2020, 6:24 p.m.

Updated: July 28, 2021, 6:55 p.m.

Location: Great Falls (10th Ave S), MT

Reporting: True, Located: True

Current AQI: 72.0

Great Falls (10th Ave S) MT, US: 47.494318, -111.303317

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.6 μg/m3 (82) 82.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (75) 75.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (84) 84.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (85) 85.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.3 μg/m3 (88) 88.0
 
July 28, 2021, 11 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
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.8 μg/m3 (105) 105.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.4 μg/m3 (126) 126.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.4 μg/m3 (152) 152.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.3 μg/m3 (153) 153.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.3 μg/m3 (138) 138.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.5 μg/m3 (138) 138.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.2 μg/m3 (125) 125.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.5 μg/m3 (97) 97.0
 
July 28, 2021, 2 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 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.4 μg/m3 (100) 100.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.2 μg/m3 (96) 96.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.8 μg/m3 (97) 97.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.4 μg/m3 (104) 104.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.5 μg/m3 (97) 97.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.6 μg/m3 (88) 88.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.8 μg/m3 (115) 115.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.4 μg/m3 (100) 100.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 52.9 μg/m3 (144) 144.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.9 μg/m3 (142) 142.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.4 μg/m3 (123) 123.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (132) 132.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.4 μg/m3 (131) 131.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.8 μg/m3 (134) 134.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.1 μg/m3 (103) 103.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.2 μg/m3 (113) 113.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.7 μg/m3 (119) 119.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.3 μg/m3 (94) 94.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.4 μg/m3 (100) 100.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.9 μg/m3 (127) 127.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.4 μg/m3 (121) 121.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.8 μg/m3 (110) 110.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (118) 118.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.4 μg/m3 (84) 84.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.5 μg/m3 (94) 94.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (78) 78.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.3 μg/m3 (96) 96.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.8 μg/m3 (87) 87.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.7 μg/m3 (102) 102.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.8 μg/m3 (85) 85.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.6 μg/m3 (88) 88.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.3 μg/m3 (100) 100.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.4 μg/m3 (126) 126.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (113) 113.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (81) 81.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.6 μg/m3 (82) 82.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.7 μg/m3 (99) 99.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.4 μg/m3 (98) 98.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.5 μg/m3 (88) 88.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.3 μg/m3 (106) 106.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (115) 115.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.8 μg/m3 (87) 87.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (90) 90.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (87) 87.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (75) 75.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (78) 78.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.8 μg/m3 (107) 107.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.8 μg/m3 (91) 91.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.5 μg/m3 (99) 99.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.9 μg/m3 (91) 91.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.3 μg/m3 (135) 135.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (75) 75.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (78) 78.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.3 μg/m3 (94) 94.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (74) 74.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.4 μg/m3 (77) 77.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.2 μg/m3 (90) 90.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
July 25, 2021, 4 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
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (70) 70.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.9 μg/m3 (102) 102.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (137) 137.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.4 μg/m3 (148) 148.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.7 μg/m3 (156) 156.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.3 μg/m3 (133) 133.0
 
July 24, 2021, 8 p.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
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (74) 74.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (61) 61.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (80) 80.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.7 μg/m3 (99) 99.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (85) 85.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (58) 58.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (57) 57.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (58) 58.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (62) 62.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (21) 21.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (58) 58.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.3 μg/m3 (71) 71.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (59) 59.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (45) 45.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 3 p.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
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (63) 63.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (45) 45.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (55) 55.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (57) 57.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.3 μg/m3 (71) 71.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.4 μg/m3 (82) 82.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.9 μg/m3 (83) 83.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (85) 85.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (78) 78.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (74) 74.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (54) 54.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (66) 66.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (66) 66.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (63) 63.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.4 μg/m3 (79) 79.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (59) 59.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (59) 59.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.3 μg/m3 (71) 71.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (62) 62.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (65) 65.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (54) 54.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (81) 81.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.6 μg/m3 (88) 88.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (75) 75.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (76) 76.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (80) 80.0