AQSQID: 000091801

Site Name: Fort Chipewyan

Location: Fort Chipewyan, CC

Reporting: True, Located: True

Current AQI: 31.0

Fort Chipewyan CC, CA: 58.7083, -111.1764

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 43.0 μg/m3 (119) 119.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 60.1 μg/m3 (152) 152.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 135.4 μg/m3 (192) 192.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 111.5 μg/m3 (179) 179.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.8 μg/m3 (121) 121.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 16.5 μg/m3 (60) 60.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.2 μg/m3 (13) 18.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.7 μg/m3 (7) 21.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.1 μg/m3 (9) 21.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.2 μg/m3 (9) 21.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.4 μg/m3 (10) 19.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.4 μg/m3 (10) 18.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.6 μg/m3 (11) 19.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.8 μg/m3 (12) 19.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.6 μg/m3 (15) 20.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
July 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 19, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 15.6 μg/m3 (58) 58.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 13.4 μg/m3 (53) 53.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 21.4 μg/m3 (70) 70.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 18.2 μg/m3 (63) 63.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 15.3 μg/m3 (57) 57.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 29.2 μg/m3 (87) 87.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 38.2 μg/m3 (107) 107.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 32.4 μg/m3 (93) 93.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.4 μg/m3 (74) 74.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 23.1 μg/m3 (74) 74.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 15.3 μg/m3 (57) 57.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 13.2 μg/m3 (53) 53.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 17.4 μg/m3 (61) 61.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 14.1 μg/m3 (54) 54.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 12.6 μg/m3 (51) 51.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 13.2 μg/m3 (53) 53.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.2 μg/m3 (34) 35.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.5 μg/m3 (27) 35.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.1 μg/m3 (25) 35.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 7.7 μg/m3 (32) 35.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 9.2 μg/m3 (38) 38.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 10.4 μg/m3 (43) 43.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 11.2 μg/m3 (47) 47.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 12.7 μg/m3 (51) 51.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 12.5 μg/m3 (51) 51.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 12.5 μg/m3 (51) 51.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 12.3 μg/m3 (51) 51.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 11.2 μg/m3 (47) 47.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 9.2 μg/m3 (38) 38.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 10.9 μg/m3 (45) 45.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 16, 2019, 5 p.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 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.1 μg/m3 (42) 42.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 9.2 μg/m3 (38) 38.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.6 μg/m3 (19) 25.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.1 μg/m3 (17) 22.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.6 μg/m3 (19) 24.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.6 μg/m3 (19) 25.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.7 μg/m3 (15) 28.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.6 μg/m3 (15) 29.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 5.1 μg/m3 (21) 22.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 15.0 μg/m3 (56) 56.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 14.4 μg/m3 (55) 55.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 14.8 μg/m3 (56) 56.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 15.9 μg/m3 (58) 58.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 15.7 μg/m3 (58) 58.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 16.5 μg/m3 (60) 60.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 17.3 μg/m3 (61) 61.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 19.3 μg/m3 (66) 66.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 18.1 μg/m3 (63) 63.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 15.6 μg/m3 (58) 58.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 14.0 μg/m3 (54) 54.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 12.3 μg/m3 (51) 51.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.3 μg/m3 (18) 19.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.7 μg/m3 (11) 24.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.4 μg/m3 (10) 30.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.2 μg/m3 (9) 25.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.2 μg/m3 (9) 24.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.2 μg/m3 (9) 24.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0