ID: 1930

AQSQID: 530110022

Site Name: Yacolt-Yacolt Rd

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

Updated: Sept. 22, 2020, 12:39 a.m.

Location: Yacolt (W Humphrey St), WA

Reporting: True, Located: True

Current AQI: 46.0

Yacolt (W Humphrey St) WA, US: 45.863899, -122.410889

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2020, 11 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
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (67) 67.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (67) 67.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (59) 59.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
Sept. 21, 2020, 1 p.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
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 21, 2020, 2 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
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 20, 2020, 11 p.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
 
Sept. 20, 2020, 10 p.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
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 20, 2020, 7 p.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
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 19, 2020, 11 p.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
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 19, 2020, 3 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
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 19, 2020, 2 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
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 18, 2020, 11 p.m. 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
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (71) 71.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (69) 69.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.9 μg/m3 (71) 71.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (71) 71.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.8 μg/m3 (71) 71.0
 
Sept. 18, 2020, 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 (71) 71.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (72) 72.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (75) 75.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (89) 89.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (106) 106.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.7 μg/m3 (130) 130.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.8 μg/m3 (152) 152.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 64.3 μg/m3 (155) 155.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.4 μg/m3 (154) 154.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 67.7 μg/m3 (156) 156.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.5 μg/m3 (157) 157.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.7 μg/m3 (159) 159.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 71.3 μg/m3 (158) 158.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.4 μg/m3 (157) 157.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 66.2 μg/m3 (156) 156.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 64.6 μg/m3 (155) 155.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.3 μg/m3 (157) 157.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.6 μg/m3 (159) 159.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 86.1 μg/m3 (166) 166.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.2 μg/m3 (179) 179.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 122.1 μg/m3 (185) 185.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 157.0 μg/m3 (206) 206.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 138.5 μg/m3 (194) 194.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 173.9 μg/m3 (223) 223.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 139.8 μg/m3 (194) 194.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 125.7 μg/m3 (187) 187.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 126.1 μg/m3 (187) 187.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 126.5 μg/m3 (187) 187.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 130.2 μg/m3 (189) 189.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 128.2 μg/m3 (188) 188.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 128.5 μg/m3 (188) 188.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.7 μg/m3 (186) 186.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 126.2 μg/m3 (187) 187.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 125.7 μg/m3 (187) 187.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 125.5 μg/m3 (187) 187.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 129.0 μg/m3 (189) 189.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 133.0 μg/m3 (191) 191.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 143.4 μg/m3 (196) 196.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 150.3 μg/m3 (200) 200.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 154.2 μg/m3 (204) 204.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 148.3 μg/m3 (199) 199.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 141.4 μg/m3 (195) 195.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 131.8 μg/m3 (190) 190.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 127.1 μg/m3 (188) 188.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 113.7 μg/m3 (181) 181.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 114.2 μg/m3 (181) 181.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.1 μg/m3 (186) 186.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 105.3 μg/m3 (176) 176.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 87.8 μg/m3 (167) 167.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 79.5 μg/m3 (163) 163.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.7 μg/m3 (159) 159.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 70.2 μg/m3 (158) 158.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 71.9 μg/m3 (159) 159.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (160) 160.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 78.5 μg/m3 (162) 162.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 81.1 μg/m3 (163) 163.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 85.8 μg/m3 (166) 166.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 90.5 μg/m3 (168) 168.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 96.2 μg/m3 (171) 171.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 100.2 μg/m3 (174) 174.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 105.7 μg/m3 (176) 176.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.1 μg/m3 (179) 179.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 116.2 μg/m3 (182) 182.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 121.6 μg/m3 (185) 185.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 124.5 μg/m3 (186) 186.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 124.2 μg/m3 (186) 186.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.4 μg/m3 (186) 186.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 128.1 μg/m3 (188) 188.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 121.5 μg/m3 (185) 185.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 107.2 μg/m3 (177) 177.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.7 μg/m3 (180) 180.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 123.8 μg/m3 (186) 186.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 95.5 μg/m3 (171) 171.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 82.7 μg/m3 (164) 164.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 84.7 μg/m3 (165) 165.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 88.1 μg/m3 (167) 167.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 91.9 μg/m3 (169) 169.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 96.4 μg/m3 (172) 172.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 104.3 μg/m3 (176) 176.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 110.1 μg/m3 (179) 179.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 124.4 μg/m3 (186) 186.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 142.4 μg/m3 (196) 196.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 159.5 μg/m3 (209) 209.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 166.8 μg/m3 (216) 216.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 184.8 μg/m3 (234) 234.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 221.3 μg/m3 (271) 271.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 258.9 μg/m3 (308) 308.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 269.1 μg/m3 (319) 319.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 275.7 μg/m3 (325) 325.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 284.0 μg/m3 (334) 334.0