ID: 7994

AQSQID: 840530470016

Site Name: Twisp-Ewell St

Added: Jan. 20, 2021, 5:40 a.m.

Updated: July 25, 2021, 9:54 p.m.

Location: Twisp (Twisp Airport Rd), WA

Reporting: True, Located: True

Current AQI: 139.0

Twisp (Twisp Airport Rd) WA, US: 48.354124, -120.105116

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.8 μg/m3 (139) 139.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.6 μg/m3 (156) 156.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 71.1 μg/m3 (160) 160.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 132.3 μg/m3 (191) 191.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 167.6 μg/m3 (218) 218.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 99.4 μg/m3 (174) 174.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.2 μg/m3 (118) 118.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.6 μg/m3 (129) 129.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.9 μg/m3 (120) 120.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.3 μg/m3 (96) 96.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (84) 84.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (67) 67.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (99) 99.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.7 μg/m3 (119) 119.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (61) 61.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (81) 81.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (99) 99.0
 
July 25, 2021, midnight 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 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.6 μg/m3 (109) 109.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.9 μg/m3 (137) 137.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 60.3 μg/m3 (154) 154.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 87.6 μg/m3 (168) 168.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 174.3 μg/m3 (225) 225.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 248.4 μg/m3 (299) 299.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 342.5 μg/m3 (393) 393.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 288.1 μg/m3 (339) 339.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 239.2 μg/m3 (289) 289.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 103.5 μg/m3 (176) 176.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 60.2 μg/m3 (154) 154.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.8 μg/m3 (129) 129.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.2 μg/m3 (100) 100.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.4 μg/m3 (109) 109.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.1 μg/m3 (96) 96.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (63) 63.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (66) 66.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.3 μg/m3 (126) 126.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.2 μg/m3 (133) 133.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.3 μg/m3 (118) 118.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.6 μg/m3 (114) 114.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.7 μg/m3 (141) 141.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.6 μg/m3 (161) 161.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.5 μg/m3 (158) 158.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 90.8 μg/m3 (170) 170.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 107.1 μg/m3 (178) 178.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 95.0 μg/m3 (172) 172.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 85.1 μg/m3 (167) 167.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 70.2 μg/m3 (159) 159.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 135.1 μg/m3 (193) 193.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 337.8 μg/m3 (388) 388.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 564.7 μg/m3 (543) 543.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 294.8 μg/m3 (345) 345.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 185.7 μg/m3 (236) 236.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.5 μg/m3 (152) 152.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.7 μg/m3 (122) 122.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (135) 135.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.7 μg/m3 (114) 114.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (71) 71.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.1 μg/m3 (120) 120.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (55) 55.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 23, 2021, midnight 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 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, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.3 μg/m3 (113) 113.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.9 μg/m3 (125) 125.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 52.4 μg/m3 (143) 143.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 115.5 μg/m3 (182) 182.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 119.9 μg/m3 (185) 185.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 73.2 μg/m3 (161) 161.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 91.6 μg/m3 (170) 170.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 108.8 μg/m3 (179) 179.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 91.5 μg/m3 (170) 170.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 83.7 μg/m3 (166) 166.0
 
July 22, 2021, noon 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 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.4 μg/m3 (156) 156.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 78.4 μg/m3 (163) 163.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 80.4 μg/m3 (164) 164.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.8 μg/m3 (147) 147.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.3 μg/m3 (135) 135.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 22, 2021, midnight 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, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.1 μg/m3 (163) 163.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 81.5 μg/m3 (165) 165.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (177) 177.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 100.3 μg/m3 (175) 175.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 179.1 μg/m3 (230) 230.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 166.3 μg/m3 (217) 217.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 174.3 μg/m3 (225) 225.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 108.5 μg/m3 (179) 179.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 126.5 μg/m3 (188) 188.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.2 μg/m3 (186) 186.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 125.4 μg/m3 (188) 188.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 89.9 μg/m3 (169) 169.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 61.4 μg/m3 (155) 155.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (79) 79.0
 
July 21, 2021, 9 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 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (56) 56.0
 
July 21, 2021, 7 a.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 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 106.1 μg/m3 (178) 178.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.8 μg/m3 (152) 152.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.9 μg/m3 (105) 105.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (66) 66.0
 
July 21, 2021, 1 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
 
July 21, 2021, midnight 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 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
July 20, 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 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 85.8 μg/m3 (167) 167.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 184.8 μg/m3 (235) 235.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 182.9 μg/m3 (234) 234.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 132.7 μg/m3 (191) 191.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (169) 169.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 60.7 μg/m3 (154) 154.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 55.7 μg/m3 (152) 152.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.4 μg/m3 (146) 146.0
 
July 20, 2021, 1 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 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (69) 69.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (82) 82.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.7 μg/m3 (127) 127.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.8 μg/m3 (89) 89.0
 
July 20, 2021, 7 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 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
July 20, 2021, 4 a.m. 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 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (52) 52.0
 
July 19, 2021, 9 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
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 86.8 μg/m3 (168) 168.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 425.0 μg/m3 (451) 451.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 506.2 μg/m3 (504) 504.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 636.7 μg/m3 (591) 591.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 562.7 μg/m3 (542) 542.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 370.6 μg/m3 (415) 415.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 242.6 μg/m3 (293) 293.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 169.1 μg/m3 (220) 220.0
 
July 19, 2021, noon 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 19, 2021, 11 a.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 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
July 19, 2021, 9 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 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
July 19, 2021, 7 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
 
July 19, 2021, 6 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 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (82) 82.0
 
July 19, 2021, 3 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 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 18, 2021, 10 p.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
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0