ID: 5318

AQSQID: 000100401

Site Name: Kamloops Federal Building

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

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

Location: Kamloops (City Centre), CC

Reporting: True, Located: True

Current AQI: 271.0

Kamloops (City Centre) CC, CA: 50.674702, -120.3339

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 0.7 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 220.8 μg/m3 (271) 271.0
 
Aug. 3, 2021, 1 a.m. N/A 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 174.9 μg/m3 (226) 226.0
 
Aug. 3, 2021, midnight N/A 0.9 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 116.8 μg/m3 (183) 183.0
 
Aug. 2, 2021, 11 p.m. N/A 1.2 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 107.5 μg/m3 (178) 178.0
 
Aug. 2, 2021, 10 p.m. N/A 1.5 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 120.3 μg/m3 (185) 185.0
 
Aug. 2, 2021, 9 p.m. N/A 1.0 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 131.8 μg/m3 (191) 191.0
 
Aug. 2, 2021, 8 p.m. N/A 2.2 ppb (3) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 142.1 μg/m3 (196) 196.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 140.0 μg/m3 (195) 195.0
 
Aug. 2, 2021, 6 p.m. N/A 6.1 ppb (6) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 150.9 μg/m3 (202) 202.0
 
Aug. 2, 2021, 5 p.m. N/A 8.5 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 154.2 μg/m3 (205) 205.0
 
Aug. 2, 2021, 4 p.m. N/A 10.2 ppb (10) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 152.1 μg/m3 (203) 203.0
 
Aug. 2, 2021, 3 p.m. N/A 12.2 ppb (12) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 154.2 μg/m3 (205) 205.0
 
Aug. 2, 2021, 2 p.m. N/A 15.9 ppb (15) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 151.4 μg/m3 (202) 202.0
 
Aug. 2, 2021, 1 p.m. N/A 9.6 ppb (10) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 138.9 μg/m3 (195) 195.0
 
Aug. 2, 2021, noon N/A 9.7 ppb (10) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 160.3 μg/m3 (211) 211.0
 
Aug. 2, 2021, 11 a.m. N/A 8.1 ppb (8) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 180.8 μg/m3 (232) 232.0
 
Aug. 2, 2021, 10 a.m. N/A 6.3 ppb (6) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 185.3 μg/m3 (236) 236.0
 
Aug. 2, 2021, 9 a.m. N/A 10.9 ppb (11) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 186.0 μg/m3 (237) 237.0
 
Aug. 2, 2021, 8 a.m. N/A 10.2 ppb (10) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 186.6 μg/m3 (237) 237.0
 
Aug. 2, 2021, 7 a.m. N/A 12.0 ppb (12) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 194.3 μg/m3 (245) 245.0
 
Aug. 2, 2021, 6 a.m. N/A 15.1 ppb (15) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 188.2 μg/m3 (239) 239.0
 
Aug. 2, 2021, 5 a.m. N/A 4.1 ppb (4) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 179.3 μg/m3 (230) 230.0
 
Aug. 2, 2021, 4 a.m. N/A 2.4 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 181.0 μg/m3 (232) 232.0
 
Aug. 2, 2021, 3 a.m. N/A 3.1 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 142.7 μg/m3 (197) 197.0
 
Aug. 2, 2021, 2 a.m. N/A 1.6 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 131.6 μg/m3 (191) 191.0
 
Aug. 2, 2021, 1 a.m. N/A 1.9 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 122.3 μg/m3 (186) 186.0
 
Aug. 2, 2021, midnight N/A 1.6 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 109.5 μg/m3 (179) 179.0
 
Aug. 1, 2021, 11 p.m. N/A 2.2 ppb (3) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 106.3 μg/m3 (178) 178.0
 
Aug. 1, 2021, 10 p.m. N/A 1.2 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 96.0 μg/m3 (172) 172.0
 
Aug. 1, 2021, 9 p.m. N/A 2.7 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 83.5 μg/m3 (166) 166.0
 
Aug. 1, 2021, 8 p.m. N/A 1.7 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 85.0 μg/m3 (167) 167.0
 
Aug. 1, 2021, 7 p.m. N/A 1.2 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 132.6 μg/m3 (191) 191.0
 
Aug. 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 172.3 μg/m3 (223) 223.0
 
Aug. 1, 2021, 5 p.m. N/A 9.8 ppb (10) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 149.3 μg/m3 (200) 200.0
 
Aug. 1, 2021, 4 p.m. N/A 8.9 ppb (9) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 137.5 μg/m3 (194) 194.0
 
Aug. 1, 2021, 3 p.m. N/A 10.6 ppb (10) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 135.8 μg/m3 (193) 193.0
 
Aug. 1, 2021, 2 p.m. N/A 11.4 ppb (11) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 128.8 μg/m3 (189) 189.0
 
Aug. 1, 2021, 1 p.m. N/A 10.9 ppb (11) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 136.2 μg/m3 (193) 193.0
 
Aug. 1, 2021, noon N/A 2.1 ppb (2) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 138.8 μg/m3 (195) 195.0
 
Aug. 1, 2021, 11 a.m. N/A 0.9 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 148.5 μg/m3 (200) 200.0
 
Aug. 1, 2021, 10 a.m. N/A 1.5 ppb (2) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 160.4 μg/m3 (211) 211.0
 
Aug. 1, 2021, 9 a.m. N/A 8.2 ppb (8) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 161.8 μg/m3 (213) 213.0
 
Aug. 1, 2021, 8 a.m. N/A 8.3 ppb (8) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 166.8 μg/m3 (218) 218.0
 
Aug. 1, 2021, 7 a.m. N/A 12.7 ppb (12) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 5.0 ppb (5) N/A N/A 177.2 μg/m3 (228) 228.0
 
Aug. 1, 2021, 6 a.m. N/A 1.0 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 163.6 μg/m3 (214) 214.0
 
Aug. 1, 2021, 5 a.m. N/A 11.2 ppb (11) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 162.2 μg/m3 (213) 213.0
 
Aug. 1, 2021, 4 a.m. N/A 7.3 ppb (7) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 155.7 μg/m3 (207) 207.0
 
Aug. 1, 2021, 3 a.m. N/A 4.2 ppb (4) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 128.1 μg/m3 (189) 189.0
 
Aug. 1, 2021, 2 a.m. N/A 2.3 ppb (3) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 134.5 μg/m3 (192) 192.0
 
Aug. 1, 2021, 1 a.m. N/A 1.9 ppb (2) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 141.7 μg/m3 (196) 196.0
 
Aug. 1, 2021, midnight N/A 0.8 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 160.2 μg/m3 (211) 211.0
 
July 31, 2021, 11 p.m. N/A 1.0 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 194.9 μg/m3 (245) 245.0
 
July 31, 2021, 10 p.m. N/A 2.2 ppb (3) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 210.5 μg/m3 (261) 261.0
 
July 31, 2021, 9 p.m. N/A 3.0 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 201.8 μg/m3 (252) 252.0
 
July 31, 2021, 8 p.m. N/A 2.9 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 165.2 μg/m3 (216) 216.0
 
July 31, 2021, 7 p.m. N/A 3.1 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 125.7 μg/m3 (188) 188.0
 
July 31, 2021, 6 p.m. N/A 4.2 ppb (4) N/A 24.0 ppb (23) N/A 2.0 ppb (3) 20.0 ppb (19) N/A N/A 122.2 μg/m3 (186) 186.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 113.7 μg/m3 (182) 182.0
 
July 31, 2021, 4 p.m. N/A 1.5 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 110.2 μg/m3 (180) 180.0
 
July 31, 2021, 3 p.m. N/A 8.9 ppb (9) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 133.1 μg/m3 (192) 192.0
 
July 31, 2021, 2 p.m. N/A 32.4 ppb (31) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 158.1 μg/m3 (209) 209.0
 
July 31, 2021, 1 p.m. N/A 25.9 ppb (25) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 163.9 μg/m3 (215) 215.0
 
July 31, 2021, noon N/A 46.5 ppb (44) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 171.4 μg/m3 (222) 222.0
 
July 31, 2021, 11 a.m. N/A 27.7 ppb (27) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 174.7 μg/m3 (225) 225.0
 
July 31, 2021, 10 a.m. N/A 32.9 ppb (32) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 165.5 μg/m3 (216) 216.0
 
July 31, 2021, 9 a.m. N/A 22.8 ppb (22) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 164.4 μg/m3 (215) 215.0
 
July 31, 2021, 8 a.m. N/A 7.0 ppb (7) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 155.2 μg/m3 (206) 206.0
 
July 31, 2021, 7 a.m. N/A 9.6 ppb (10) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 160.1 μg/m3 (211) 211.0
 
July 31, 2021, 6 a.m. N/A 7.9 ppb (8) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 155.7 μg/m3 (207) 207.0
 
July 31, 2021, 5 a.m. N/A 12.9 ppb (13) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 146.1 μg/m3 (198) 198.0
 
July 31, 2021, 4 a.m. N/A 14.7 ppb (14) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 130.2 μg/m3 (190) 190.0
 
July 31, 2021, 3 a.m. N/A 8.0 ppb (8) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 130.7 μg/m3 (190) 190.0
 
July 31, 2021, 2 a.m. N/A 3.4 ppb (4) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 143.0 μg/m3 (197) 197.0
 
July 31, 2021, 1 a.m. N/A 13.8 ppb (14) N/A 39.0 ppb (37) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 193.3 μg/m3 (244) 244.0
 
July 31, 2021, midnight N/A 3.1 ppb (3) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 212.5 μg/m3 (263) 263.0
 
July 30, 2021, 11 p.m. N/A 2.3 ppb (3) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 185.5 μg/m3 (236) 236.0
 
July 30, 2021, 10 p.m. N/A 2.5 ppb (3) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 156.5 μg/m3 (207) 207.0
 
July 30, 2021, 9 p.m. N/A 1.4 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 63.0 ppb (78) N/A N/A 124.7 μg/m3 (187) 187.0
 
July 30, 2021, 8 p.m. N/A 1.8 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 125.0 μg/m3 (187) 187.0
 
July 30, 2021, 7 p.m. N/A 1.1 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 147.8 μg/m3 (199) 199.0
 
July 30, 2021, 6 p.m. N/A 1.7 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 197.0 μg/m3 (248) 248.0
 
July 30, 2021, 5 p.m. N/A 1.7 ppb (2) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 293.8 μg/m3 (344) 344.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 193.9 μg/m3 (245) 245.0
 
July 30, 2021, 3 p.m. N/A 6.0 ppb (6) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 107.1 μg/m3 (178) 178.0
 
July 30, 2021, 2 p.m. N/A 45.3 ppb (43) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 113.1 μg/m3 (181) 181.0
 
July 30, 2021, 1 p.m. N/A 51.8 ppb (49) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 125.7 μg/m3 (188) 188.0
 
July 30, 2021, noon N/A 24.9 ppb (24) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 124.7 μg/m3 (187) 187.0
 
July 30, 2021, 11 a.m. N/A 17.1 ppb (17) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 123.6 μg/m3 (187) 187.0
 
July 30, 2021, 10 a.m. N/A 19.1 ppb (19) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 128.8 μg/m3 (189) 189.0
 
July 30, 2021, 9 a.m. N/A 30.6 ppb (29) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 123.0 μg/m3 (186) 186.0
 
July 30, 2021, 8 a.m. N/A 13.5 ppb (13) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 128.9 μg/m3 (189) 189.0
 
July 30, 2021, 7 a.m. N/A 10.0 ppb (10) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 122.3 μg/m3 (186) 186.0
 
July 30, 2021, 6 a.m. N/A 1.3 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 128.1 μg/m3 (189) 189.0
 
July 30, 2021, 5 a.m. N/A 1.2 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 131.9 μg/m3 (191) 191.0
 
July 30, 2021, 4 a.m. N/A 1.7 ppb (2) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 121.9 μg/m3 (186) 186.0
 
July 30, 2021, 3 a.m. N/A 3.3 ppb (4) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 75.8 μg/m3 (162) 162.0
 
July 30, 2021, 2 a.m. N/A 2.4 ppb (3) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 78.5 μg/m3 (163) 163.0
 
July 30, 2021, 1 a.m. N/A 5.0 ppb (5) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 78.3 μg/m3 (163) 163.0
 
July 30, 2021, midnight N/A 2.5 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 75.6 μg/m3 (162) 162.0
 
July 29, 2021, 11 p.m. N/A 2.2 ppb (3) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 75.2 μg/m3 (162) 162.0
 
July 29, 2021, 10 p.m. N/A 2.3 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 89.1 μg/m3 (169) 169.0
 
July 29, 2021, 9 p.m. N/A 2.9 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 91.0 μg/m3 (170) 170.0
 
July 29, 2021, 8 p.m. N/A 1.3 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 106.9 μg/m3 (178) 178.0
 
July 29, 2021, 7 p.m. N/A 1.0 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 144.1 μg/m3 (197) 197.0
 
July 29, 2021, 6 p.m. N/A 2.3 ppb (3) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 125.5 μg/m3 (188) 188.0
 
July 29, 2021, 5 p.m. N/A 4.3 ppb (5) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 106.5 μg/m3 (178) 178.0
 
July 29, 2021, 4 p.m. N/A 7.0 ppb (7) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 99.5 μg/m3 (174) 174.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (175) 175.0
 
July 29, 2021, 2 p.m. N/A 7.0 ppb (7) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 100.7 μg/m3 (175) 175.0
 
July 29, 2021, 1 p.m. N/A 11.2 ppb (11) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 104.5 μg/m3 (177) 177.0
 
July 29, 2021, noon N/A 5.5 ppb (6) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 99.8 μg/m3 (174) 174.0
 
July 29, 2021, 11 a.m. N/A 0.5 ppb (1) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 103.5 μg/m3 (176) 176.0
 
July 29, 2021, 10 a.m. N/A 5.8 ppb (6) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 106.3 μg/m3 (178) 178.0
 
July 29, 2021, 9 a.m. N/A 0.8 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 114.1 μg/m3 (182) 182.0
 
July 29, 2021, 8 a.m. N/A 2.2 ppb (3) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 120.2 μg/m3 (185) 185.0
 
July 29, 2021, 7 a.m. N/A 0.5 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 116.8 μg/m3 (183) 183.0
 
July 29, 2021, 6 a.m. N/A 99.1 ppb (100) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 111.3 μg/m3 (180) 180.0
 
July 29, 2021, 5 a.m. N/A 1.2 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 117.3 μg/m3 (183) 183.0
 
July 29, 2021, 4 a.m. N/A 1.2 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 113.4 μg/m3 (181) 181.0
 
July 29, 2021, 3 a.m. N/A 1.3 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 127.5 μg/m3 (189) 189.0
 
July 29, 2021, 2 a.m. N/A 1.6 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 122.6 μg/m3 (186) 186.0
 
July 29, 2021, 1 a.m. N/A 1.6 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 127.9 μg/m3 (189) 189.0
 
July 29, 2021, midnight N/A 1.9 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 129.5 μg/m3 (190) 190.0
 
July 28, 2021, 11 p.m. N/A 1.4 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 120.0 μg/m3 (185) 185.0
 
July 28, 2021, 10 p.m. N/A 1.9 ppb (2) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 175.4 μg/m3 (226) 226.0
 
July 28, 2021, 9 p.m. N/A 1.9 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 195.3 μg/m3 (246) 246.0
 
July 28, 2021, 8 p.m. N/A 1.2 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 151.2 μg/m3 (202) 202.0
 
July 28, 2021, 7 p.m. N/A 1.9 ppb (2) N/A 12.0 ppb (12) N/A 2.0 ppb (3) 37.0 ppb (35) N/A N/A 180.8 μg/m3 (232) 232.0
 
July 28, 2021, 6 p.m. N/A 5.0 ppb (5) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 157.6 μg/m3 (209) 209.0
 
July 28, 2021, 5 p.m. N/A 3.2 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 108.4 μg/m3 (179) 179.0
 
July 28, 2021, 4 p.m. N/A 4.6 ppb (5) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 69.7 μg/m3 (159) 159.0
 
July 28, 2021, 3 p.m. N/A 1.8 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 68.3 μg/m3 (158) 158.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 71.4 μg/m3 (160) 160.0
 
July 28, 2021, 1 p.m. N/A 9.6 ppb (10) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 75.4 μg/m3 (162) 162.0
 
July 28, 2021, noon N/A 3.3 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 78.3 μg/m3 (163) 163.0
 
July 28, 2021, 11 a.m. N/A 2.2 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 76.5 μg/m3 (162) 162.0
 
July 28, 2021, 10 a.m. N/A 1.3 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 84.9 μg/m3 (167) 167.0
 
July 28, 2021, 9 a.m. N/A 0.3 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 83.2 μg/m3 (166) 166.0
 
July 28, 2021, 8 a.m. N/A 2.6 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 83.3 μg/m3 (166) 166.0
 
July 28, 2021, 7 a.m. N/A 0.6 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 80.5 μg/m3 (164) 164.0
 
July 28, 2021, 6 a.m. N/A 0.9 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 85.5 μg/m3 (167) 167.0
 
July 28, 2021, 5 a.m. N/A 1.0 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 87.0 μg/m3 (168) 168.0
 
July 28, 2021, 4 a.m. N/A 1.9 ppb (2) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 97.6 μg/m3 (173) 173.0
 
July 28, 2021, 3 a.m. N/A 1.9 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 103.3 μg/m3 (176) 176.0
 
July 28, 2021, 2 a.m. N/A 2.0 ppb (2) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 89.1 μg/m3 (169) 169.0
 
July 28, 2021, 1 a.m. N/A 1.9 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 72.9 μg/m3 (160) 160.0
 
July 28, 2021, midnight N/A 2.1 ppb (2) N/A 13.0 ppb (13) N/A 3.0 ppb (5) 48.0 ppb (45) N/A N/A 86.9 μg/m3 (168) 168.0
 
July 27, 2021, 11 p.m. N/A 2.9 ppb (3) N/A 16.0 ppb (16) N/A 5.0 ppb (8) 45.0 ppb (42) N/A N/A 100.4 μg/m3 (175) 175.0
 
July 27, 2021, 10 p.m. N/A 4.9 ppb (5) N/A 16.0 ppb (16) N/A 3.0 ppb (5) 41.0 ppb (38) N/A N/A 95.5 μg/m3 (172) 172.0
 
July 27, 2021, 9 p.m. N/A 1.9 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 113.4 μg/m3 (181) 181.0
 
July 27, 2021, 8 p.m. N/A 2.5 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 100.4 μg/m3 (175) 175.0
 
July 27, 2021, 7 p.m. N/A 2.5 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 92.9 μg/m3 (171) 171.0
 
July 27, 2021, 6 p.m. N/A 3.3 ppb (4) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 149.2 μg/m3 (200) 200.0
 
July 27, 2021, 5 p.m. N/A 2.6 ppb (3) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 196.1 μg/m3 (247) 247.0
 
July 27, 2021, 4 p.m. N/A 3.4 ppb (4) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 206.5 μg/m3 (257) 257.0
 
July 27, 2021, 3 p.m. N/A 6.5 ppb (7) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 165.2 μg/m3 (216) 216.0
 
July 27, 2021, 2 p.m. N/A 5.7 ppb (6) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 108.0 μg/m3 (179) 179.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 112.4 μg/m3 (181) 181.0
 
July 27, 2021, noon N/A 1.1 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 87.1 μg/m3 (168) 168.0
 
July 27, 2021, 11 a.m. N/A 0.2 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 61.2 μg/m3 (154) 154.0
 
July 27, 2021, 10 a.m. N/A 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 46.2 μg/m3 (128) 128.0
 
July 27, 2021, 9 a.m. N/A 0.8 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 33.8 μg/m3 (97) 97.0
 
July 27, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 27.4 μg/m3 (84) 84.0
 
July 27, 2021, 7 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 21.1 μg/m3 (70) 70.0
 
July 27, 2021, 6 a.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 20.2 μg/m3 (69) 69.0
 
July 27, 2021, 5 a.m. N/A 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 16.1 μg/m3 (60) 60.0
 
July 27, 2021, 4 a.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 14.7 μg/m3 (57) 57.0
 
July 27, 2021, 3 a.m. N/A 1.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 14.6 μg/m3 (57) 57.0