AQSQID: 000091801

Site Name: Fort Chipewyan

Location: Fort Chipewyan, CC

Reporting: True, Located: True

Current AQI: 24.0

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
June 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 57.8 μg/m3 (151) 151.0
 
June 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 58.2 μg/m3 (151) 151.0
 
June 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 60.2 μg/m3 (152) 152.0
 
June 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 47.2 μg/m3 (129) 129.0
 
June 12, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 32.5 μg/m3 (94) 94.0
 
June 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 18.5 μg/m3 (64) 64.0
 
June 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
June 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.1 μg/m3 (17) 35.0
 
June 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 3.7 μg/m3 (15) 35.0
 
June 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.7 μg/m3 (15) 32.0
 
June 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
June 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.6 μg/m3 (15) 28.0
 
June 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.1 μg/m3 (13) 27.0
 
June 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
June 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
June 11, 2019, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.6 μg/m3 (11) 21.0
 
June 11, 2019, 11 a.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
 
June 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.1 μg/m3 (13) 24.0
 
June 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.9 μg/m3 (12) 27.0
 
June 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.7 μg/m3 (11) 27.0
 
June 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
June 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.9 μg/m3 (12) 27.0
 
June 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.7 μg/m3 (11) 28.0
 
June 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.7 μg/m3 (11) 28.0
 
June 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.9 μg/m3 (12) 29.0
 
June 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
June 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
June 11, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.4 μg/m3 (14) 31.0
 
June 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.4 μg/m3 (14) 30.0
 
June 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
June 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.3 μg/m3 (10) 31.0
 
June 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
June 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
June 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.9 μg/m3 (8) 30.0
 
June 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.9 μg/m3 (8) 29.0
 
June 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.5 μg/m3 (6) 27.0
 
June 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 1.3 μg/m3 (5) 25.0
 
June 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 1.2 μg/m3 (5) 24.0
 
June 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
June 10, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
June 10, 2019, 11 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
 
June 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
June 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
June 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.7 μg/m3 (15) 23.0
 
June 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
June 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0
 
June 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.6 μg/m3 (23) 27.0
 
June 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
June 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.4 μg/m3 (14) 30.0
 
June 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.6 μg/m3 (15) 31.0
 
June 10, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.3 μg/m3 (14) 31.0
 
June 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.2 μg/m3 (13) 32.0
 
June 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.4 μg/m3 (14) 31.0
 
June 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
June 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.4 μg/m3 (14) 30.0
 
June 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.3 μg/m3 (14) 29.0
 
June 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.1 μg/m3 (13) 28.0
 
June 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
June 9, 2019, 4 p.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
 
June 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.1 μg/m3 (9) 27.0
 
June 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.1 μg/m3 (9) 27.0
 
June 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
June 9, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.5 μg/m3 (10) 24.0
 
June 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
June 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.9 μg/m3 (12) 24.0
 
June 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.7 μg/m3 (11) 28.0
 
June 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.7 μg/m3 (11) 29.0
 
June 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.7 μg/m3 (11) 31.0
 
June 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.7 μg/m3 (11) 32.0
 
June 9, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.7 μg/m3 (11) 31.0
 
June 9, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.7 μg/m3 (11) 31.0
 
June 9, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
June 9, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.7 μg/m3 (11) 30.0
 
June 9, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.4 μg/m3 (10) 29.0
 
June 8, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.7 μg/m3 (11) 29.0
 
June 8, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.4 μg/m3 (6) 28.0
 
June 8, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
June 8, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.8 μg/m3 (3) 20.0
 
June 8, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.7 μg/m3 (3) 18.0
 
June 8, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
June 8, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.4 μg/m3 (2) 18.0
 
June 8, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
June 8, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.4 μg/m3 (2) 18.0
 
June 8, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.4 μg/m3 (2) 18.0
 
June 8, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.7 μg/m3 (3) 19.0
 
June 8, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
June 8, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 0.9 μg/m3 (4) 16.0
 
June 8, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 0.9 μg/m3 (4) 14.0
 
June 8, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 0.9 μg/m3 (4) 13.0
 
June 8, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 1.0 μg/m3 (4) 13.0
 
June 8, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.2 μg/m3 (5) 14.0
 
June 8, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.2 μg/m3 (5) 15.0
 
June 8, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.1 μg/m3 (5) 15.0
 
June 8, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
June 8, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 1.2 μg/m3 (5) 15.0
 
June 8, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.4 μg/m3 (6) 15.0
 
June 8, 2019, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.3 μg/m3 (5) 14.0
 
June 7, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.2 μg/m3 (5) 15.0
 
June 7, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 1.5 μg/m3 (6) 15.0
 
June 7, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.2 μg/m3 (5) 16.0
 
June 7, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.7 μg/m3 (3) 17.0
 
June 7, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.7 μg/m3 (3) 18.0
 
June 7, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
June 7, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.1 μg/m3 (5) 18.0
 
June 7, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.7 μg/m3 (3) 19.0
 
June 7, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
June 7, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.8 μg/m3 (3) 17.0
 
June 7, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 0.7 μg/m3 (3) 15.0
 
June 7, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 0.5 μg/m3 (2) 14.0
 
June 7, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 0.6 μg/m3 (2) 14.0
 
June 7, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.5 μg/m3 (2) 15.0
 
June 7, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 0.6 μg/m3 (2) 14.0
 
June 7, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 0.6 μg/m3 (2) 16.0
 
June 7, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.7 μg/m3 (3) 17.0
 
June 7, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.7 μg/m3 (3) 18.0
 
June 7, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.7 μg/m3 (3) 18.0
 
June 7, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.7 μg/m3 (3) 19.0
 
June 7, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
June 7, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
June 7, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
June 7, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
June 6, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
June 6, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
June 6, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
June 6, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
June 6, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.2 μg/m3 (5) 21.0
 
June 6, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
June 6, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.6 μg/m3 (2) 21.0
 
June 6, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.8 μg/m3 (3) 21.0
 
June 6, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.1 μg/m3 (5) 21.0
 
June 6, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (3) 3.0
 
June 6, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.8 μg/m3 (3) 20.0
 
June 6, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
June 6, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 1.7 μg/m3 (7) 15.0
 
June 6, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
June 6, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.1 μg/m3 (5) 16.0
 
June 6, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
June 6, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.7 μg/m3 (3) 18.0
 
June 6, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.6 μg/m3 (2) 20.0
 
June 6, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.4 μg/m3 (2) 21.0
 
June 6, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.5 μg/m3 (2) 20.0
 
June 6, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.7 μg/m3 (3) 21.0
 
June 6, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.4 μg/m3 (2) 21.0
 
June 6, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.5 μg/m3 (2) 20.0
 
June 6, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.7 μg/m3 (3) 20.0
 
June 5, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
June 5, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
June 5, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
June 5, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.8 μg/m3 (12) 18.0
 
June 5, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.2 μg/m3 (5) 12.0
 
June 5, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 0.6 μg/m3 (2) 10.0
 
June 5, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 0.7 μg/m3 (3) 10.0
 
June 5, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.6 μg/m3 (2) 12.0
 
June 5, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.6 μg/m3 (2) 12.0
 
June 5, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.7 μg/m3 (3) 12.0
 
June 5, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
June 5, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 0.8 μg/m3 (3) 10.0
 
June 5, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 1.6 μg/m3 (7) 9.0
 
June 5, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 2.0 μg/m3 (8) 9.0
 
June 5, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.2 μg/m3 (5) 12.0
 
June 5, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.1 μg/m3 (5) 12.0
 
June 5, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.2 μg/m3 (5) 12.0
 
June 5, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.5 μg/m3 (6) 12.0
 
June 5, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 2.5 μg/m3 (10) 12.0
 
June 5, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.8 μg/m3 (8) 12.0
 
June 5, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 1.6 μg/m3 (7) 13.0
 
June 5, 2019, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 1.8 μg/m3 (8) 13.0