ID: 2952

AQSQID: 270213410

Site Name: Leech Lake Nation: Cass Lake

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

Updated: Aug. 3, 2021, 11:56 p.m.

Location: Cass Lake (Res Hwy 50), MN

Reporting: True, Located: True

Current AQI: 152.0

Cass Lake (Res Hwy 50) MN, US: 47.38443, -94.60166

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 N/A N/A N/A 56.0 μg/m3 (152) 152.0
 
Aug. 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (155) 155.0
 
Aug. 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (153) 153.0
 
Aug. 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (153) 153.0
 
Aug. 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (153) 153.0
 
Aug. 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (152) 152.0
 
Aug. 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (150) 150.0
 
Aug. 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (150) 150.0
 
Aug. 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (152) 152.0
 
Aug. 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (154) 154.0
 
Aug. 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (152) 152.0
 
Aug. 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (145) 145.0
 
Aug. 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (145) 145.0
 
Aug. 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (147) 147.0
 
Aug. 3, 2021, 7 a.m. 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
 
Aug. 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (145) 145.0
 
Aug. 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (155) 155.0
 
Aug. 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (145) 145.0
 
Aug. 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (154) 154.0
 
Aug. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (153) 153.0
 
Aug. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (150) 150.0
 
Aug. 3, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (153) 153.0
 
Aug. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (155) 155.0
 
Aug. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (135) 135.0
 
Aug. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (157) 157.0
 
Aug. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (163) 163.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (154) 154.0
 
Aug. 2, 2021, 4 p.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
 
Aug. 2, 2021, 3 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
 
Aug. 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (135) 135.0
 
Aug. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Aug. 2, 2021, noon 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
 
Aug. 2, 2021, 11 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
 
Aug. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Aug. 2, 2021, 9 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
 
Aug. 2, 2021, 8 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
 
Aug. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Aug. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Aug. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (98) 98.0
 
Aug. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Aug. 2, 2021, 3 a.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
 
Aug. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Aug. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (98) 98.0
 
Aug. 2, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Aug. 1, 2021, 11 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
 
Aug. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Aug. 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Aug. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Aug. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Aug. 1, 2021, 6 p.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
 
Aug. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Aug. 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Aug. 1, 2021, 3 p.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
 
Aug. 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Aug. 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Aug. 1, 2021, noon 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
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (125) 125.0
 
Aug. 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (155) 155.0
 
Aug. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (155) 155.0
 
Aug. 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (145) 145.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (152) 152.0
 
Aug. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (147) 147.0
 
Aug. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (153) 153.0
 
Aug. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (152) 152.0
 
Aug. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (127) 127.0
 
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
July 31, 2021, 11 p.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 31, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (152) 152.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (152) 152.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (156) 156.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (158) 158.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (145) 145.0
 
July 31, 2021, 5 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 31, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
July 31, 2021, 3 p.m. 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 31, 2021, 2 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 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (153) 153.0
 
July 31, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (164) 164.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (177) 177.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 108.0 μg/m3 (179) 179.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 108.0 μg/m3 (179) 179.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 115.0 μg/m3 (182) 182.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (178) 178.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 113.0 μg/m3 (181) 181.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 112.0 μg/m3 (181) 181.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 98.0 μg/m3 (173) 173.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (175) 175.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.0 μg/m3 (180) 180.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 136.0 μg/m3 (193) 193.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 147.0 μg/m3 (199) 199.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 146.0 μg/m3 (198) 198.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 120.0 μg/m3 (185) 185.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (180) 180.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (177) 177.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 105.0 μg/m3 (177) 177.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (173) 173.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (177) 177.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (175) 175.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (160) 160.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (120) 120.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (169) 169.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 120.0 μg/m3 (185) 185.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 120.0 μg/m3 (185) 185.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (186) 186.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 126.0 μg/m3 (188) 188.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 116.0 μg/m3 (183) 183.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 118.0 μg/m3 (184) 184.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 115.0 μg/m3 (182) 182.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 108.0 μg/m3 (179) 179.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 113.0 μg/m3 (181) 181.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 157.0 μg/m3 (208) 208.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 186.0 μg/m3 (237) 237.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 202.0 μg/m3 (253) 253.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 99.0 μg/m3 (174) 174.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 119.0 μg/m3 (184) 184.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.0 μg/m3 (186) 186.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 95.0 μg/m3 (172) 172.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 99.0 μg/m3 (174) 174.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.0 μg/m3 (180) 180.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 113.0 μg/m3 (181) 181.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 96.0 μg/m3 (172) 172.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 117.0 μg/m3 (183) 183.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 137.0 μg/m3 (194) 194.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 189.0 μg/m3 (240) 240.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 155.0 μg/m3 (206) 206.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (177) 177.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (161) 161.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (153) 153.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (157) 157.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (168) 168.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 108.0 μg/m3 (179) 179.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 114.0 μg/m3 (182) 182.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (156) 156.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
July 29, 2021, 3 a.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 29, 2021, 2 a.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 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
July 29, 2021, midnight 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 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 10 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 28, 2021, 9 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 28, 2021, 8 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, 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 28, 2021, 6 p.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 28, 2021, 5 p.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 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
July 28, 2021, noon 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 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0