ID: 1279

AQSQID: 410350004

Site Name: Klamath Falls - Peterson School

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

Updated: July 28, 2021, 8:52 p.m.

Location: Klamath Falls (Clinton Ave), OR

Reporting: True, Located: True

Current AQI: 140.0

Klamath Falls (Clinton Ave) OR, US: 42.190296, -121.731369

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 28, 2021, 7 p.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 28, 2021, 6 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 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.2 μg/m3 (123) 123.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.1 μg/m3 (108) 108.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.2 μg/m3 (98) 98.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.4 μg/m3 (84) 84.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.9 μg/m3 (97) 97.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.2 μg/m3 (103) 103.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.1 μg/m3 (105) 105.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.2 μg/m3 (106) 106.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.6 μg/m3 (109) 109.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.7 μg/m3 (114) 114.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.8 μg/m3 (117) 117.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.7 μg/m3 (117) 117.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.2 μg/m3 (116) 116.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.6 μg/m3 (114) 114.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.6 μg/m3 (114) 114.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (118) 118.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.3 μg/m3 (123) 123.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.1 μg/m3 (128) 128.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (49) 49.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
July 27, 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 27, 2021, 11 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 27, 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 27, 2021, 9 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 27, 2021, 8 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 27, 2021, 7 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 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (53) 53.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (59) 59.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (61) 61.0
 
July 27, 2021, midnight 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 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.6 μg/m3 (82) 82.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.4 μg/m3 (88) 88.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.4 μg/m3 (90) 90.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.1 μg/m3 (91) 91.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.3 μg/m3 (94) 94.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (71) 71.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (62) 62.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (67) 67.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (80) 80.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (81) 81.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (74) 74.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (73) 73.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (76) 76.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (61) 61.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.9 μg/m3 (76) 76.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.5 μg/m3 (80) 80.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (78) 78.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.2 μg/m3 (77) 77.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (82) 82.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (87) 87.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.5 μg/m3 (92) 92.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.8 μg/m3 (99) 99.0
 
July 26, 2021, midnight 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 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.6 μg/m3 (102) 102.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.2 μg/m3 (111) 111.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.5 μg/m3 (119) 119.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.6 μg/m3 (93) 93.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.9 μg/m3 (83) 83.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.2 μg/m3 (87) 87.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.8 μg/m3 (105) 105.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.7 μg/m3 (119) 119.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.9 μg/m3 (112) 112.0
 
July 25, 2021, noon 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
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.3 μg/m3 (106) 106.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.5 μg/m3 (104) 104.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (99) 99.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.2 μg/m3 (116) 116.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.7 μg/m3 (104) 104.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.7 μg/m3 (95) 95.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.9 μg/m3 (93) 93.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.1 μg/m3 (94) 94.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.8 μg/m3 (117) 117.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.7 μg/m3 (124) 124.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.5 μg/m3 (97) 97.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.1 μg/m3 (94) 94.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.9 μg/m3 (122) 122.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.2 μg/m3 (128) 128.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.2 μg/m3 (125) 125.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (115) 115.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (75) 75.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (59) 59.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (53) 53.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (68) 68.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (71) 71.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 24, 2021, noon 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 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (33) 33.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (57) 57.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (67) 67.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.9 μg/m3 (76) 76.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (70) 70.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (63) 63.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (58) 58.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (53) 53.0
 
July 24, 2021, midnight 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 23, 2021, 11 p.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
 
July 23, 2021, 10 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 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (69) 69.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (68) 68.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.4 μg/m3 (94) 94.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.2 μg/m3 (83) 83.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (54) 54.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
July 23, 2021, noon 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 23, 2021, 11 a.m. 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 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
July 23, 2021, midnight 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 22, 2021, 11 p.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 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (65) 65.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (71) 71.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.4 μg/m3 (109) 109.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.3 μg/m3 (131) 131.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (63) 63.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (42) 42.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0