ID: 1301

AQSQID: 000090801

Site Name: Fort Mckay

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

Updated: July 25, 2021, 8:55 a.m.

Location: Regional Municipality Of Wood Buffalo (Fort Mckay Rd), CC

Reporting: True, Located: True

Current AQI: 23.0

Regional Municipality Of Wood Buffalo (Fort Mckay Rd) CC, CA: 57.1889, -111.6406

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 4.9 μg/m3 (21) 21.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.3 μg/m3 (23) 23.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 7.2 μg/m3 (31) 31.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 7.2 μg/m3 (31) 31.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 6.8 μg/m3 (29) 29.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 8.4 μg/m3 (36) 36.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 8.9 μg/m3 (38) 38.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 8.9 μg/m3 (38) 38.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 11.1 μg/m3 (47) 47.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (54) 54.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 16.7 μg/m3 (61) 61.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 15.6 μg/m3 (59) 59.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 17.2 μg/m3 (62) 62.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 16.1 μg/m3 (60) 60.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 20.4 μg/m3 (69) 69.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 24.9 μg/m3 (78) 78.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 19.8 μg/m3 (68) 68.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 11.3 μg/m3 (48) 48.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 7.5 μg/m3 (32) 32.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.4 μg/m3 (23) 27.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.3 μg/m3 (18) 27.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 1.8 μg/m3 (8) 18.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 2.4 μg/m3 (10) 14.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 3.4 μg/m3 (15) 15.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 1.9 μg/m3 (8) 10.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 2.0 μg/m3 (9) 9.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 2.5 μg/m3 (11) 13.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 2.7 μg/m3 (12) 12.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.0 μg/m3 (9) 16.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 1.7 μg/m3 (8) 19.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 1.7 μg/m3 (8) 20.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.7 μg/m3 (8) 21.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.6 μg/m3 (11) 23.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.7 μg/m3 (16) 23.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.9 μg/m3 (17) 24.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 7.5 μg/m3 (32) 32.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 16.1 μg/m3 (60) 60.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 23.8 μg/m3 (76) 76.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 29.2 μg/m3 (87) 87.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 37.8 μg/m3 (107) 107.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 40.5 μg/m3 (114) 114.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 31.7 μg/m3 (93) 93.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 33.7 μg/m3 (97) 97.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 33.2 μg/m3 (96) 96.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 35.9 μg/m3 (102) 102.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 34.5 μg/m3 (99) 99.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 36.1 μg/m3 (103) 103.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 37.6 μg/m3 (107) 107.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 48.2 μg/m3 (133) 133.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 43.5 μg/m3 (121) 121.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 39.0 μg/m3 (110) 110.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 43.4 μg/m3 (121) 121.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 53.1 μg/m3 (145) 145.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 55.3 μg/m3 (150) 150.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 56.5 μg/m3 (152) 152.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 57.9 μg/m3 (153) 153.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 55.9 μg/m3 (152) 152.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 52.1 μg/m3 (142) 142.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 46.9 μg/m3 (130) 130.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 31.6 μg/m3 (93) 93.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 28.6 μg/m3 (86) 86.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 27.2 μg/m3 (83) 83.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 33.8 μg/m3 (97) 97.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 38.2 μg/m3 (108) 108.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 29.7 μg/m3 (89) 89.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.2 μg/m3 (87) 87.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 29.6 μg/m3 (88) 88.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 32.3 μg/m3 (94) 94.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 37.6 μg/m3 (107) 107.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 44.3 μg/m3 (123) 123.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 48.4 μg/m3 (133) 133.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 48.2 μg/m3 (133) 133.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 53.1 μg/m3 (145) 145.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 50.2 μg/m3 (138) 138.0
 
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 53.8 μg/m3 (147) 147.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 58.3 μg/m3 (153) 153.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 61.9 μg/m3 (155) 155.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 60.7 μg/m3 (154) 154.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 56.5 μg/m3 (152) 152.0
 
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 55.7 μg/m3 (152) 152.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 52.1 μg/m3 (142) 142.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 51.4 μg/m3 (141) 141.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 50.2 μg/m3 (138) 138.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 52.1 μg/m3 (142) 142.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 52.9 μg/m3 (144) 144.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 49.0 μg/m3 (135) 135.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 46.7 μg/m3 (129) 129.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 47.4 μg/m3 (131) 131.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 43.6 μg/m3 (121) 121.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 41.1 μg/m3 (115) 115.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (120) 120.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 42.5 μg/m3 (119) 119.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 49.0 μg/m3 (135) 135.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 58.2 μg/m3 (153) 153.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 73.2 μg/m3 (161) 161.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 90.9 μg/m3 (170) 170.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 100.5 μg/m3 (175) 175.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 103.3 μg/m3 (176) 176.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 105.3 μg/m3 (177) 177.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 111.6 μg/m3 (180) 180.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 125.3 μg/m3 (188) 188.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 135.4 μg/m3 (193) 193.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 135.4 μg/m3 (193) 193.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 128.0 μg/m3 (189) 189.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 139.9 μg/m3 (195) 195.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 142.2 μg/m3 (196) 196.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 135.6 μg/m3 (193) 193.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 126.5 μg/m3 (188) 188.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 106.9 μg/m3 (178) 178.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 94.4 μg/m3 (172) 172.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 77.9 μg/m3 (163) 163.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 67.4 μg/m3 (158) 158.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 54.5 μg/m3 (148) 148.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 52.1 μg/m3 (142) 142.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 56.6 μg/m3 (152) 152.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.2 μg/m3 (152) 152.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 51.5 μg/m3 (141) 141.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 51.9 μg/m3 (142) 142.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 52.6 μg/m3 (144) 144.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 46.4 μg/m3 (128) 128.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 46.1 μg/m3 (128) 128.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 46.4 μg/m3 (128) 128.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 46.0 μg/m3 (127) 127.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 44.9 μg/m3 (125) 125.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 43.8 μg/m3 (122) 122.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 43.3 μg/m3 (121) 121.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 39.5 μg/m3 (111) 111.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 34.4 μg/m3 (98) 98.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 33.5 μg/m3 (97) 97.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 35.7 μg/m3 (102) 102.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 35.6 μg/m3 (102) 102.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 17.4 μg/m3 (63) 63.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 4.6 μg/m3 (20) 20.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.3 μg/m3 (23) 23.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 18, 2021, 7 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 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 4.8 μg/m3 (20) 20.0