ID: 1810

AQSQID: 060631007

Site Name: Chester Bam

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

Updated: Aug. 1, 2021, 2:55 a.m.

Location: Chester (Main St), CA

Reporting: True, Located: True

Current AQI: 50.0

Chester (Main St) CA, US: 40.301899, -121.235001

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 1, 2021, 1 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
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
July 31, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
July 31, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (158) 158.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 207.0 μg/m3 (257) 257.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 200.0 μg/m3 (251) 251.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 105.0 μg/m3 (177) 177.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
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 27.0 μg/m3 (83) 83.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
July 31, 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
 
July 31, 2021, 11 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 31, 2021, 10 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
 
July 31, 2021, 9 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 31, 2021, 8 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
 
July 31, 2021, 7 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 31, 2021, 3 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
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (140) 140.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (115) 115.0
 
July 31, 2021, midnight 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 30, 2021, 11 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
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (171) 171.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 91.0 μg/m3 (170) 170.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (178) 178.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 135.0 μg/m3 (193) 193.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 152.0 μg/m3 (203) 203.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 155.0 μg/m3 (206) 206.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 165.0 μg/m3 (216) 216.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 163.0 μg/m3 (214) 214.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 162.0 μg/m3 (213) 213.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 174.0 μg/m3 (225) 225.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 179.0 μg/m3 (230) 230.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 159.0 μg/m3 (210) 210.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 117.0 μg/m3 (183) 183.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.0 μg/m3 (180) 180.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (162) 162.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (158) 158.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (156) 156.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (115) 115.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (127) 127.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (156) 156.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
July 30, 2021, midnight 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 29, 2021, 11 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 29, 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 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 132.0 μg/m3 (191) 191.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 169.0 μg/m3 (220) 220.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (127) 127.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
July 29, 2021, noon 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 29, 2021, 11 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 29, 2021, 10 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 29, 2021, 9 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 29, 2021, 8 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, 7 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
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (185) 185.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 138.0 μg/m3 (194) 194.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 145.0 μg/m3 (198) 198.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 139.0 μg/m3 (195) 195.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 119.0 μg/m3 (184) 184.0
 
July 29, 2021, midnight 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 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 163.0 μg/m3 (214) 214.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 163.0 μg/m3 (214) 214.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 140.0 μg/m3 (195) 195.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (130) 130.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (122) 122.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (164) 164.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 96.0 μg/m3 (172) 172.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (180) 180.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 112.0 μg/m3 (181) 181.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.0 μg/m3 (186) 186.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (186) 186.0
 
July 28, 2021, noon 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 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (178) 178.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (160) 160.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (135) 135.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (160) 160.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.0 μg/m3 (186) 186.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (180) 180.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.0 μg/m3 (180) 180.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 112.0 μg/m3 (181) 181.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 118.0 μg/m3 (184) 184.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (159) 159.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (153) 153.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 200.0 μg/m3 (251) 251.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 231.0 μg/m3 (281) 281.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1000.0 μg/m3 (830) 830.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (155) 155.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (154) 154.0
 
July 25, 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
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (130) 130.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (158) 158.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (168) 168.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (164) 164.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 82.0 μg/m3 (165) 165.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (163) 163.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 82.0 μg/m3 (165) 165.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (164) 164.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (161) 161.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (147) 147.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (155) 155.0
 
July 24, 2021, noon 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
 
July 24, 2021, 11 a.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
 
July 24, 2021, 10 a.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 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (178) 178.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 118.0 μg/m3 (184) 184.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 133.0 μg/m3 (192) 192.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 184.0 μg/m3 (235) 235.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 206.0 μg/m3 (256) 256.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 217.0 μg/m3 (267) 267.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 241.0 μg/m3 (291) 291.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 226.0 μg/m3 (276) 276.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 180.0 μg/m3 (231) 231.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 208.0 μg/m3 (258) 258.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 221.0 μg/m3 (271) 271.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 286.0 μg/m3 (337) 337.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (157) 157.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (118) 118.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (152) 152.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (98) 98.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (120) 120.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
July 23, 2021, noon 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 23, 2021, 11 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, 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 23, 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 23, 2021, 8 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 23, 2021, 7 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 23, 2021, 6 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 23, 2021, 5 a.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 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (122) 122.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (155) 155.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 93.0 μg/m3 (171) 171.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 102.0 μg/m3 (176) 176.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 166.0 μg/m3 (217) 217.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 220.0 μg/m3 (270) 270.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 247.0 μg/m3 (297) 297.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 191.0 μg/m3 (242) 242.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 153.0 μg/m3 (204) 204.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 156.0 μg/m3 (207) 207.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 173.0 μg/m3 (224) 224.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 22, 2021, 4 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 22, 2021, 3 p.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
 
July 22, 2021, 2 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 22, 2021, 1 p.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, noon 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 22, 2021, 11 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 22, 2021, 10 a.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 22, 2021, 9 a.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 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0