ID: 1296

AQSQID: 000090502

Site Name: Lethbridge

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

Updated: July 26, 2021, 8:04 p.m.

Location: Lethbridge (12 Ave N), CC

Reporting: True, Located: True

Current AQI: 79.0

Lethbridge (12 Ave N) CC, CA: 49.7164, -112.8006

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 12.8 μg/m3 (53) 53.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.2 μg/m3 (43) 43.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 10.4 μg/m3 (44) 44.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (44) 44.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 34.4 μg/m3 (98) 98.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 26.2 μg/m3 (81) 81.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 34.9 μg/m3 (99) 99.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 37.4 μg/m3 (106) 106.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 46.3 μg/m3 (128) 128.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 45.2 μg/m3 (125) 125.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 46.0 μg/m3 (127) 127.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 43.2 μg/m3 (120) 120.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 39.3 μg/m3 (111) 111.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 38.2 μg/m3 (108) 108.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 36.4 μg/m3 (104) 104.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 33.9 μg/m3 (97) 97.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 30.9 μg/m3 (91) 91.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 29.6 μg/m3 (88) 88.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 29.8 μg/m3 (89) 89.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 25.3 μg/m3 (79) 79.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 22.5 μg/m3 (73) 73.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 24.5 μg/m3 (78) 78.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 27.7 μg/m3 (84) 84.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 33.1 μg/m3 (96) 96.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 36.5 μg/m3 (104) 104.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 43.4 μg/m3 (121) 121.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 55.0 μg/m3 (150) 150.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.4 μg/m3 (152) 152.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 59.7 μg/m3 (154) 154.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 53.2 μg/m3 (145) 145.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 54.0 μg/m3 (147) 147.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 54.1 μg/m3 (147) 147.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 60.0 μg/m3 (154) 154.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 59.1 μg/m3 (153) 153.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 50.9 μg/m3 (139) 139.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 51.5 μg/m3 (141) 141.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 50.8 μg/m3 (139) 139.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 47.3 μg/m3 (131) 131.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 48.2 μg/m3 (133) 133.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 36.7 μg/m3 (104) 104.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 38.9 μg/m3 (110) 110.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 52.8 μg/m3 (144) 144.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 56.2 μg/m3 (152) 152.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 37.7 μg/m3 (107) 107.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 31.8 μg/m3 (93) 93.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 45.8 μg/m3 (127) 127.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 68.3 μg/m3 (158) 158.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 60.2 μg/m3 (154) 154.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 57.0 μg/m3 (152) 152.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 54.8 μg/m3 (149) 149.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 49.1 μg/m3 (135) 135.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.1 μg/m3 (135) 135.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 51.9 μg/m3 (142) 142.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 52.0 μg/m3 (142) 142.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 60.7 μg/m3 (154) 154.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 60.2 μg/m3 (154) 154.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 60.6 μg/m3 (154) 154.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 52.4 μg/m3 (143) 143.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 47.1 μg/m3 (130) 130.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 37.3 μg/m3 (106) 106.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 34.8 μg/m3 (99) 99.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 53.5 μg/m3 (146) 146.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 48.8 μg/m3 (134) 134.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 61.1 μg/m3 (154) 154.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 69.9 μg/m3 (159) 159.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 86.8 μg/m3 (168) 168.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 105.6 μg/m3 (177) 177.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 77.9 μg/m3 (163) 163.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 68.8 μg/m3 (158) 158.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 58.0 μg/m3 (153) 153.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 54.2 μg/m3 (148) 148.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 47.3 μg/m3 (131) 131.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 48.3 μg/m3 (133) 133.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 37.9 μg/m3 (107) 107.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.7 μg/m3 (132) 132.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 41.1 μg/m3 (115) 115.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 34.6 μg/m3 (99) 99.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 58.2 μg/m3 (153) 153.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 39.1 μg/m3 (110) 110.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 21.1 μg/m3 (70) 70.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.4 μg/m3 (31) 38.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.7 μg/m3 (16) 42.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 1.3 μg/m3 (6) 44.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 0.8 μg/m3 (4) 45.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 10.4 μg/m3 (44) 45.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 1.4 μg/m3 (6) 45.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 1.0 μg/m3 (5) 47.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 1.1 μg/m3 (5) 48.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 1.5 μg/m3 (7) 49.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 3.0 μg/m3 (13) 50.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 3.8 μg/m3 (16) 50.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 2.3 μg/m3 (10) 48.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 9.6 μg/m3 (40) 48.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.9 μg/m3 (21) 47.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 7.9 μg/m3 (33) 46.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 9.7 μg/m3 (41) 49.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (61) 61.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 19.2 μg/m3 (66) 66.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 19.7 μg/m3 (67) 67.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 21.1 μg/m3 (70) 70.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 14.4 μg/m3 (56) 56.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 13.6 μg/m3 (55) 55.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 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 45.0 ppb (42) N/A N/A 10.9 μg/m3 (46) 46.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 9.8 μg/m3 (41) 45.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.3 μg/m3 (43) 48.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 11.9 μg/m3 (50) 50.0
 
July 21, 2021, 6 p.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 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 15.3 μg/m3 (58) 58.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 16.3 μg/m3 (60) 60.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 18.3 μg/m3 (65) 65.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 16.5 μg/m3 (61) 61.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 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 19.0 ppb (18) N/A N/A 17.9 μg/m3 (64) 64.0
 
July 21, 2021, 10 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 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 16.4 μg/m3 (61) 61.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 17.5 μg/m3 (63) 63.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 24.2 μg/m3 (77) 77.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 29.2 μg/m3 (87) 87.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 32.4 μg/m3 (94) 94.0
 
July 21, 2021, 4 a.m. 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
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 31.5 μg/m3 (92) 92.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 30.9 μg/m3 (91) 91.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 26.9 μg/m3 (83) 83.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 19.9 μg/m3 (68) 68.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 17.2 μg/m3 (62) 62.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 15.2 μg/m3 (58) 58.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 12.4 μg/m3 (52) 52.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 12.2 μg/m3 (52) 52.0
 
July 20, 2021, 6 p.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 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 20, 2021, 4 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 20, 2021, 3 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 20, 2021, 2 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 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 9.2 μg/m3 (39) 39.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 13.1 μg/m3 (54) 54.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 13.2 μg/m3 (54) 54.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 11.1 μg/m3 (47) 47.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 13.5 μg/m3 (54) 54.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 17.3 μg/m3 (62) 62.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 22.6 μg/m3 (74) 74.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 34.3 μg/m3 (98) 98.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 46.1 μg/m3 (128) 128.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 54.5 μg/m3 (148) 148.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 59.9 μg/m3 (154) 154.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 82.8 μg/m3 (166) 166.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 98.5 μg/m3 (174) 174.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 62.7 μg/m3 (155) 155.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 67.3 μg/m3 (158) 158.0