ID: 1618

AQSQID: 530470010

Site Name: Winthrop-Chewuch Rd

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

Updated: July 30, 2021, 6:54 a.m.

Location: Winthrop (Washington Hwy 20), WA

Reporting: True, Located: True

Current AQI: 92.0

Winthrop (Washington Hwy 20) WA, US: 48.4772, -120.1906

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.5 μg/m3 (92) 92.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.7 μg/m3 (84) 84.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (87) 87.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.5 μg/m3 (88) 88.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.3 μg/m3 (98) 98.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.6 μg/m3 (107) 107.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (77) 77.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.1 μg/m3 (103) 103.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.6 μg/m3 (131) 131.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.9 μg/m3 (134) 134.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 112.0 μg/m3 (181) 181.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 334.1 μg/m3 (384) 384.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 352.8 μg/m3 (403) 403.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 314.3 μg/m3 (365) 365.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 248.5 μg/m3 (299) 299.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 197.5 μg/m3 (248) 248.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 159.2 μg/m3 (210) 210.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 143.8 μg/m3 (197) 197.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 128.6 μg/m3 (189) 189.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 110.7 μg/m3 (180) 180.0
 
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 71.8 μg/m3 (160) 160.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.2 μg/m3 (138) 138.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.6 μg/m3 (107) 107.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.7 μg/m3 (84) 84.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (67) 67.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
July 29, 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 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (58) 58.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (80) 80.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 113.7 μg/m3 (182) 182.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 295.8 μg/m3 (346) 346.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 401.6 μg/m3 (435) 435.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 389.4 μg/m3 (427) 427.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 292.4 μg/m3 (343) 343.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 288.4 μg/m3 (339) 339.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 269.5 μg/m3 (320) 320.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 228.1 μg/m3 (278) 278.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 208.6 μg/m3 (259) 259.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 185.4 μg/m3 (236) 236.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 151.4 μg/m3 (202) 202.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 125.5 μg/m3 (188) 188.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 60.5 μg/m3 (154) 154.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (152) 152.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.2 μg/m3 (148) 148.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.6 μg/m3 (121) 121.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.7 μg/m3 (117) 117.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.7 μg/m3 (127) 127.0
 
July 28, 2021, midnight 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 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 71.3 μg/m3 (160) 160.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 87.2 μg/m3 (168) 168.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 113.1 μg/m3 (181) 181.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 107.2 μg/m3 (178) 178.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.6 μg/m3 (180) 180.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 160.9 μg/m3 (212) 212.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 311.3 μg/m3 (362) 362.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 405.7 μg/m3 (438) 438.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 406.5 μg/m3 (438) 438.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 403.4 μg/m3 (436) 436.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 388.8 μg/m3 (427) 427.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 390.3 μg/m3 (428) 428.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 394.1 μg/m3 (430) 430.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 399.2 μg/m3 (434) 434.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 309.5 μg/m3 (360) 360.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 223.6 μg/m3 (274) 274.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 141.6 μg/m3 (196) 196.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.9 μg/m3 (85) 85.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (28) 28.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (75) 75.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.8 μg/m3 (115) 115.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (162) 162.0
 
July 27, 2021, midnight 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 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 69.9 μg/m3 (159) 159.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 66.9 μg/m3 (157) 157.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 75.5 μg/m3 (162) 162.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 75.1 μg/m3 (162) 162.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 101.6 μg/m3 (175) 175.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 159.2 μg/m3 (210) 210.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 343.4 μg/m3 (394) 394.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 413.6 μg/m3 (443) 443.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 416.2 μg/m3 (445) 445.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 416.6 μg/m3 (445) 445.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 417.6 μg/m3 (446) 446.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 421.4 μg/m3 (448) 448.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 429.5 μg/m3 (454) 454.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 432.1 μg/m3 (455) 455.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 408.0 μg/m3 (439) 439.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 326.2 μg/m3 (377) 377.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 153.7 μg/m3 (205) 205.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (23) 23.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.7 μg/m3 (86) 86.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 78.3 μg/m3 (163) 163.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 90.5 μg/m3 (170) 170.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 110.7 μg/m3 (180) 180.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 163.9 μg/m3 (215) 215.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 142.3 μg/m3 (196) 196.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.4 μg/m3 (160) 160.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 90.1 μg/m3 (169) 169.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 204.1 μg/m3 (255) 255.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 360.4 μg/m3 (408) 408.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 388.9 μg/m3 (427) 427.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 371.9 μg/m3 (416) 416.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 324.4 μg/m3 (375) 375.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 320.8 μg/m3 (371) 371.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 326.1 μg/m3 (376) 376.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 321.5 μg/m3 (372) 372.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 298.3 μg/m3 (349) 349.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 281.0 μg/m3 (332) 332.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 200.2 μg/m3 (251) 251.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 102.4 μg/m3 (176) 176.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (59) 59.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.4 μg/m3 (98) 98.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 92.8 μg/m3 (171) 171.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 73.8 μg/m3 (161) 161.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 78.4 μg/m3 (163) 163.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 91.6 μg/m3 (170) 170.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 117.2 μg/m3 (183) 183.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 231.9 μg/m3 (282) 282.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 375.1 μg/m3 (418) 418.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 398.9 μg/m3 (433) 433.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 433.0 μg/m3 (456) 456.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 422.8 μg/m3 (449) 449.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 426.6 μg/m3 (452) 452.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 422.3 μg/m3 (449) 449.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 426.4 μg/m3 (452) 452.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 423.3 μg/m3 (450) 450.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 427.9 μg/m3 (453) 453.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 386.2 μg/m3 (425) 425.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 340.4 μg/m3 (391) 391.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 213.0 μg/m3 (263) 263.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (75) 75.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.4 μg/m3 (96) 96.0
 
July 24, 2021, midnight 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 23, 2021, 11 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 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.7 μg/m3 (117) 117.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.3 μg/m3 (153) 153.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.2 μg/m3 (148) 148.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.8 μg/m3 (127) 127.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 98.3 μg/m3 (174) 174.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 415.3 μg/m3 (444) 444.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 473.7 μg/m3 (483) 483.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 491.3 μg/m3 (494) 494.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 480.0 μg/m3 (487) 487.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 480.7 μg/m3 (487) 487.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 486.2 μg/m3 (491) 491.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 482.0 μg/m3 (488) 488.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 405.4 μg/m3 (438) 438.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 211.8 μg/m3 (262) 262.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 62.5 μg/m3 (155) 155.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (83) 83.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0