ID: 1152

AQSQID: 271453052

Site Name: St. Cloud

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

Updated: Aug. 3, 2021, 3:56 a.m.

Location: Saint Cloud (Seast), MN

Reporting: True, Located: True

Current AQI: 93.0

Saint Cloud (Seast) MN, US: 45.55, -94.1333

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 32.0 μg/m3 (93) 93.0
 
Aug. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 31.0 μg/m3 (91) 91.0
 
Aug. 3, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 32.0 μg/m3 (93) 93.0
 
Aug. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 32.0 μg/m3 (93) 93.0
 
Aug. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 32.0 μg/m3 (93) 93.0
 
Aug. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 30.0 μg/m3 (89) 89.0
 
Aug. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 30.0 μg/m3 (89) 89.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 26.0 μg/m3 (81) 81.0
 
Aug. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 19.0 μg/m3 (66) 66.0
 
Aug. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 20.0 μg/m3 (68) 68.0
 
Aug. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 25.0 μg/m3 (79) 79.0
 
Aug. 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 27.0 μg/m3 (83) 83.0
 
Aug. 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 23.0 μg/m3 (74) 74.0
 
Aug. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Aug. 2, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 8.0 μg/m3 (34) 34.0
 
Aug. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 7.0 μg/m3 (30) 30.0
 
Aug. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 25.0
 
Aug. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 3.0 μg/m3 (13) 13.0
 
Aug. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 3.0 μg/m3 (13) 13.0
 
Aug. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 3.0 μg/m3 (13) 13.0
 
Aug. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Aug. 2, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Aug. 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Aug. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Aug. 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Aug. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Aug. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Aug. 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.0 μg/m3 (30) 30.0
 
Aug. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.0 μg/m3 (55) 55.0
 
Aug. 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 14.0 μg/m3 (55) 55.0
 
Aug. 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 18.0 μg/m3 (64) 64.0
 
Aug. 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 26.0 μg/m3 (81) 81.0
 
Aug. 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 41.0 μg/m3 (115) 115.0
 
Aug. 1, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 46.0 μg/m3 (127) 127.0
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 52.0 μg/m3 (142) 142.0
 
Aug. 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 50.0 μg/m3 (137) 137.0
 
Aug. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 50.0 μg/m3 (137) 137.0
 
Aug. 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 50.0 μg/m3 (137) 137.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 47.0 μg/m3 (130) 130.0
 
Aug. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (137) 137.0
 
Aug. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 52.0 μg/m3 (142) 142.0
 
Aug. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 43.0 μg/m3 (120) 120.0
 
Aug. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 50.0 μg/m3 (137) 137.0
 
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 52.0 μg/m3 (142) 142.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 62.0 μg/m3 (155) 155.0
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 64.0 μg/m3 (156) 156.0
 
July 31, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 31, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 38.0 μg/m3 (108) 108.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 31.0 μg/m3 (91) 91.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 34.0 μg/m3 (98) 98.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 40.0 μg/m3 (113) 113.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 50.0 μg/m3 (137) 137.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 55.0 μg/m3 (150) 150.0
 
July 31, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 64.0 μg/m3 (156) 156.0
 
July 31, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 92.0 μg/m3 (170) 170.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 108.0 μg/m3 (179) 179.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 96.0 μg/m3 (172) 172.0
 
July 31, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 83.0 μg/m3 (166) 166.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 71.0 μg/m3 (160) 160.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 55.0 μg/m3 (150) 150.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 46.0 μg/m3 (127) 127.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 45.0 μg/m3 (125) 125.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 46.0 μg/m3 (127) 127.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 53.0 μg/m3 (145) 145.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 68.0 μg/m3 (158) 158.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 108.0 μg/m3 (179) 179.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 111.0 μg/m3 (180) 180.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 126.0 μg/m3 (188) 188.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 143.0 μg/m3 (197) 197.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 133.0 μg/m3 (192) 192.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 85.0 μg/m3 (167) 167.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 82.0 μg/m3 (165) 165.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 83.0 μg/m3 (166) 166.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 78.0 μg/m3 (163) 163.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 67.0 μg/m3 (157) 157.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 65.0 μg/m3 (156) 156.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 55.0 μg/m3 (150) 150.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 38.0 μg/m3 (108) 108.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 57.0 μg/m3 (152) 152.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 81.0 μg/m3 (165) 165.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 85.0 μg/m3 (167) 167.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 110.0 μg/m3 (180) 180.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 134.0 μg/m3 (192) 192.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 137.0 μg/m3 (194) 194.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 143.0 μg/m3 (197) 197.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 134.0 μg/m3 (192) 192.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 133.0 μg/m3 (192) 192.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 137.0 μg/m3 (194) 194.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 140.0 μg/m3 (195) 195.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 136.0 μg/m3 (193) 193.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 129.0 μg/m3 (189) 189.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 124.0 μg/m3 (187) 187.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 132.0 μg/m3 (191) 191.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 141.0 μg/m3 (196) 196.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 127.0 μg/m3 (188) 188.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 140.0 μg/m3 (195) 195.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 137.0 μg/m3 (194) 194.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 130.0 μg/m3 (190) 190.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 109.0 μg/m3 (179) 179.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 161.0 μg/m3 (212) 212.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 235.0 μg/m3 (285) 285.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 281.0 μg/m3 (332) 332.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 308.0 μg/m3 (358) 358.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 370.0 μg/m3 (414) 414.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 422.0 μg/m3 (449) 449.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 376.0 μg/m3 (418) 418.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 259.0 μg/m3 (310) 310.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 182.0 μg/m3 (233) 233.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 117.0 μg/m3 (183) 183.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 72.0 μg/m3 (160) 160.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.0 μg/m3 (34) 37.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 10.0 μg/m3 (42) 50.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 13.0 μg/m3 (53) 55.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 17.0 μg/m3 (62) 65.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 23.0 μg/m3 (74) 74.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 26.0 μg/m3 (81) 81.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 24.0 μg/m3 (77) 77.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 24.0 μg/m3 (77) 77.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 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 31.0 ppb (29) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 15.0 μg/m3 (58) 68.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 17.0 μg/m3 (62) 87.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 85.0 ppb (109) N/A N/A 27.0 μg/m3 (83) 109.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 83.0 ppb (108) N/A N/A 19.0 μg/m3 (66) 108.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (104) N/A N/A 16.0 μg/m3 (60) 104.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 18.0 μg/m3 (64) 84.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 17.0 μg/m3 (62) 68.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 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 40.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0