ID: 1805

AQSQID: 000091901

Site Name: Caroline

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

Updated: July 25, 2021, 5:52 a.m.

Location: Clearwater Co (Range Rd 60), CC

Reporting: True, Located: True

Current AQI: 98.0

Clearwater Co (Range Rd 60) CC, CA: 51.95, -114.7

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 34.4 μg/m3 (98) 98.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 33.1 μg/m3 (96) 96.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 37.1 μg/m3 (105) 105.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 63.3 μg/m3 (156) 156.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 66.8 μg/m3 (157) 157.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 66.2 μg/m3 (157) 157.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 68.9 μg/m3 (158) 158.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 69.4 μg/m3 (159) 159.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 58.8 μg/m3 (153) 153.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 52.1 μg/m3 (142) 142.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 43.6 μg/m3 (121) 121.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 38.2 μg/m3 (108) 108.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 34.5 μg/m3 (99) 99.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 31.0 μg/m3 (91) 91.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 30.4 μg/m3 (90) 90.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 31.2 μg/m3 (92) 92.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 32.9 μg/m3 (95) 95.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 32.3 μg/m3 (94) 94.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.3 μg/m3 (98) 98.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 33.2 μg/m3 (96) 96.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 30.9 μg/m3 (91) 91.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 27.9 μg/m3 (85) 85.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 29.6 μg/m3 (88) 88.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 31.1 μg/m3 (91) 91.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 28.5 μg/m3 (86) 86.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 35.0 μg/m3 (100) 100.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 54.7 μg/m3 (149) 149.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 69.1 μg/m3 (159) 159.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 69.0 μg/m3 (158) 158.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 56.8 μg/m3 (152) 152.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 61.5 μg/m3 (155) 155.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 63.2 μg/m3 (155) 155.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 45.9 μg/m3 (127) 127.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 36.1 μg/m3 (103) 103.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 41.0 μg/m3 (115) 115.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 49.3 μg/m3 (135) 135.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 48.7 μg/m3 (134) 134.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 43.5 μg/m3 (121) 121.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 41.1 μg/m3 (115) 115.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 39.4 μg/m3 (111) 111.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 38.5 μg/m3 (109) 109.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 35.0 μg/m3 (100) 100.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.3 μg/m3 (92) 92.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 27.9 μg/m3 (85) 85.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 14.5 μg/m3 (57) 57.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 14.2 μg/m3 (56) 56.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 26.1 μg/m3 (81) 81.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 32.7 μg/m3 (95) 95.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 38.3 μg/m3 (108) 108.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 37.2 μg/m3 (106) 106.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 30.7 μg/m3 (91) 91.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 31.5 μg/m3 (92) 92.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 35.0 μg/m3 (100) 100.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 30.1 μg/m3 (89) 89.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 16.4 μg/m3 (61) 61.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 14.6 μg/m3 (57) 57.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 14.5 μg/m3 (57) 57.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 17.8 μg/m3 (63) 63.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 19.2 μg/m3 (66) 66.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 20.6 μg/m3 (69) 69.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 23.0 μg/m3 (74) 74.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 23.1 μg/m3 (75) 75.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (68) 68.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 36.5 μg/m3 (104) 104.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 75.6 μg/m3 (162) 162.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 86.6 μg/m3 (168) 168.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 143.0 μg/m3 (197) 197.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 99.3 μg/m3 (174) 174.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 27.2 μg/m3 (83) 83.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.2 μg/m3 (47) 47.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 6.7 μg/m3 (28) 45.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 8.0 μg/m3 (34) 47.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 13.1 μg/m3 (54) 54.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 16.3 μg/m3 (60) 60.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 17.1 μg/m3 (62) 62.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 18.2 μg/m3 (64) 64.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 20.6 μg/m3 (69) 69.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 21.5 μg/m3 (71) 71.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 19.5 μg/m3 (67) 67.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 18.9 μg/m3 (66) 66.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 21.3 μg/m3 (71) 71.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 19.2 μg/m3 (66) 66.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 16.4 μg/m3 (61) 61.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.7 μg/m3 (65) 65.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 18.3 μg/m3 (65) 65.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 17.6 μg/m3 (63) 63.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 16.6 μg/m3 (61) 61.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 17.2 μg/m3 (62) 62.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 11.8 μg/m3 (50) 50.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 14.2 μg/m3 (56) 56.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 16.2 μg/m3 (60) 60.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 16.4 μg/m3 (61) 61.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 15.1 μg/m3 (58) 58.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 14.2 μg/m3 (56) 56.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 12.3 μg/m3 (52) 52.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 11.6 μg/m3 (49) 49.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 12.2 μg/m3 (52) 52.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 12.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 10.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 10.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 17.2 μg/m3 (62) 62.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 18.9 μg/m3 (66) 66.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 20.9 μg/m3 (70) 70.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 53.0 μg/m3 (145) 145.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 57.4 μg/m3 (152) 152.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 58.7 μg/m3 (153) 153.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 59.5 μg/m3 (154) 154.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 65.9 μg/m3 (157) 157.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 77.3 μg/m3 (163) 163.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 79.9 μg/m3 (164) 164.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 87.5 μg/m3 (168) 168.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 97.4 μg/m3 (173) 173.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 103.8 μg/m3 (176) 176.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 107.9 μg/m3 (179) 179.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 108.8 μg/m3 (179) 179.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 108.1 μg/m3 (179) 179.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 107.9 μg/m3 (179) 179.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 98.8 μg/m3 (174) 174.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 90.4 μg/m3 (170) 170.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 88.1 μg/m3 (168) 168.0
 
July 19, 2021, 9 a.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 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 87.3 μg/m3 (168) 168.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 87.8 μg/m3 (168) 168.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 88.2 μg/m3 (168) 168.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 88.5 μg/m3 (169) 169.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 86.1 μg/m3 (167) 167.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 80.6 μg/m3 (164) 164.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 76.8 μg/m3 (162) 162.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 75.6 μg/m3 (162) 162.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 81.2 μg/m3 (165) 165.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 98.6 μg/m3 (174) 174.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 88.9 μg/m3 (169) 169.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 98.3 μg/m3 (174) 174.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 104.1 μg/m3 (177) 177.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 115.2 μg/m3 (182) 182.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 130.2 μg/m3 (190) 190.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 125.2 μg/m3 (187) 187.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 125.2 μg/m3 (187) 187.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 122.3 μg/m3 (186) 186.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 111.5 μg/m3 (180) 180.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 102.0 μg/m3 (176) 176.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 92.0 μg/m3 (170) 170.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 67.1 μg/m3 (157) 157.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 72.2 μg/m3 (160) 160.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 76.9 μg/m3 (163) 163.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 92.9 μg/m3 (171) 171.0
 
July 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 101.1 μg/m3 (175) 175.0
 
July 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 97.4 μg/m3 (173) 173.0
 
July 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 93.7 μg/m3 (171) 171.0
 
July 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 87.1 μg/m3 (168) 168.0
 
July 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 82.1 μg/m3 (165) 165.0
 
July 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 71.8 μg/m3 (160) 160.0