ID: 1270

AQSQID: 530710005

Site Name: Walla Walla-12th St

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

Updated: Aug. 3, 2021, 11:03 p.m.

Location: Walla Walla (W Birch St), WA

Reporting: True, Located: True

Current AQI: 131.0

Walla Walla (W Birch St) WA, US: 46.0588, -118.3514

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.5 μg/m3 (131) 131.0
 
Aug. 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.4 μg/m3 (136) 136.0
 
Aug. 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.4 μg/m3 (111) 111.0
 
Aug. 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (107) 107.0
 
Aug. 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.5 μg/m3 (114) 114.0
 
Aug. 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.4 μg/m3 (116) 116.0
 
Aug. 3, 2021, 3 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
 
Aug. 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.7 μg/m3 (112) 112.0
 
Aug. 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.6 μg/m3 (112) 112.0
 
Aug. 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.4 μg/m3 (111) 111.0
 
Aug. 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.4 μg/m3 (111) 111.0
 
Aug. 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.9 μg/m3 (115) 115.0
 
Aug. 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.8 μg/m3 (115) 115.0
 
Aug. 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.3 μg/m3 (113) 113.0
 
Aug. 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Aug. 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.5 μg/m3 (111) 111.0
 
Aug. 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.2 μg/m3 (108) 108.0
 
Aug. 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.4 μg/m3 (109) 109.0
 
Aug. 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.2 μg/m3 (113) 113.0
 
Aug. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Aug. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.2 μg/m3 (125) 125.0
 
Aug. 3, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.4 μg/m3 (131) 131.0
 
Aug. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.9 μg/m3 (120) 120.0
 
Aug. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.3 μg/m3 (121) 121.0
 
Aug. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.5 μg/m3 (126) 126.0
 
Aug. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.6 μg/m3 (139) 139.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.8 μg/m3 (134) 134.0
 
Aug. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.5 μg/m3 (136) 136.0
 
Aug. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.3 μg/m3 (128) 128.0
 
Aug. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.5 μg/m3 (153) 153.0
 
Aug. 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.4 μg/m3 (158) 158.0
 
Aug. 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 66.4 μg/m3 (157) 157.0
 
Aug. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (158) 158.0
 
Aug. 2, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.8 μg/m3 (158) 158.0
 
Aug. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.1 μg/m3 (155) 155.0
 
Aug. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.4 μg/m3 (141) 141.0
 
Aug. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.2 μg/m3 (135) 135.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.6 μg/m3 (131) 131.0
 
Aug. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.7 μg/m3 (122) 122.0
 
Aug. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.3 μg/m3 (121) 121.0
 
Aug. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.5 μg/m3 (119) 119.0
 
Aug. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.5 μg/m3 (99) 99.0
 
Aug. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.8 μg/m3 (97) 97.0
 
Aug. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.5 μg/m3 (94) 94.0
 
Aug. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Aug. 2, 2021, midnight 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, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (85) 85.0
 
Aug. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.8 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 20.4 μg/m3 (69) 69.0
 
Aug. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Aug. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (61) 61.0
 
Aug. 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (63) 63.0
 
Aug. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (73) 73.0
 
Aug. 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.9 μg/m3 (85) 85.0
 
Aug. 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.9 μg/m3 (87) 87.0
 
Aug. 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (77) 77.0
 
Aug. 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (78) 78.0
 
Aug. 1, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (80) 80.0
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.9 μg/m3 (83) 83.0
 
Aug. 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (81) 81.0
 
Aug. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.9 μg/m3 (81) 81.0
 
Aug. 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (77) 77.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (83) 83.0
 
Aug. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.7 μg/m3 (86) 86.0
 
Aug. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (87) 87.0
 
Aug. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.2 μg/m3 (83) 83.0
 
Aug. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.3 μg/m3 (100) 100.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.6 μg/m3 (119) 119.0
 
Aug. 1, 2021, midnight 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 31, 2021, 11 p.m. 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 31, 2021, 10 p.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 31, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.8 μg/m3 (99) 99.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.9 μg/m3 (85) 85.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.2 μg/m3 (77) 77.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.3 μg/m3 (69) 69.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (65) 65.0
 
July 31, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
July 31, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (68) 68.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (78) 78.0
 
July 31, 2021, noon 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 31, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (81) 81.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (81) 81.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (81) 81.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.4 μg/m3 (79) 79.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (64) 64.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (63) 63.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (66) 66.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (75) 75.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (70) 70.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (55) 55.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (58) 58.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (65) 65.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (68) 68.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (52) 52.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (62) 62.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (58) 58.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (44) 44.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (45) 45.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (46) 46.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (51) 51.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (44) 44.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
July 30, 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 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (37) 37.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
July 28, 2021, noon 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 28, 2021, 11 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 28, 2021, 10 a.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 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
July 28, 2021, midnight 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 27, 2021, 11 p.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 27, 2021, 10 p.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 27, 2021, 9 p.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