AQSQID: 000091801

Site Name: Fort Chipewyan

Location: Regional Municipality Of Wood Buffalo (Fraser St), CC

Reporting: True, Located: True

Current AQI: 26.0

Regional Municipality Of Wood Buffalo (Fraser St) CC, CA: 58.7083, -111.1764

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.4 μg/m3 (14) 29.0
 
April 1, 2020, 3 a.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
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.1 μg/m3 (13) 30.0
 
April 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
April 1, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
March 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.9 μg/m3 (12) 30.0
 
March 31, 2020, 10 p.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
 
March 31, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.8 μg/m3 (12) 31.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
March 31, 2020, 6 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
 
March 31, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
March 31, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.2 μg/m3 (13) 26.0
 
March 31, 2020, 2 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
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
March 31, 2020, 11 a.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
 
March 31, 2020, 10 a.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
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
March 31, 2020, 6 a.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
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.1 μg/m3 (13) 29.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.3 μg/m3 (18) 27.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.4 μg/m3 (14) 26.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
March 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 30, 2020, 7 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
 
March 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.1 μg/m3 (17) 25.0
 
March 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.9 μg/m3 (20) 25.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.9 μg/m3 (16) 24.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
March 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.1 μg/m3 (17) 23.0
 
March 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
March 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.1 μg/m3 (17) 20.0
 
March 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.1 μg/m3 (17) 20.0
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.1 μg/m3 (17) 21.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
March 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
March 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.7 μg/m3 (15) 24.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.6 μg/m3 (15) 24.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
March 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
March 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
March 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.9 μg/m3 (16) 22.0
 
March 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.8 μg/m3 (24) 24.0
 
March 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
March 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
March 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.7 μg/m3 (15) 26.0
 
March 29, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
March 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.4 μg/m3 (14) 26.0
 
March 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.4 μg/m3 (14) 27.0
 
March 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.4 μg/m3 (14) 27.0
 
March 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.4 μg/m3 (14) 27.0
 
March 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.4 μg/m3 (14) 26.0
 
March 28, 2020, 6 p.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
 
March 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.6 μg/m3 (15) 23.0
 
March 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.6 μg/m3 (15) 22.0
 
March 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.6 μg/m3 (15) 22.0
 
March 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
March 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
March 28, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.4 μg/m3 (14) 24.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
March 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
March 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
March 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.2 μg/m3 (13) 26.0
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
March 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
March 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
March 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
March 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.7 μg/m3 (15) 24.0
 
March 28, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
March 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
March 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
March 27, 2020, 9 p.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
 
March 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.7 μg/m3 (15) 24.0
 
March 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
March 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.7 μg/m3 (15) 26.0
 
March 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
March 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
March 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.6 μg/m3 (15) 28.0
 
March 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.7 μg/m3 (15) 26.0
 
March 27, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
March 27, 2020, 11 a.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
 
March 27, 2020, 10 a.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
 
March 27, 2020, 9 a.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
 
March 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 7 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
 
March 27, 2020, 6 a.m. 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
 
March 27, 2020, 5 a.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
 
March 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.4 μg/m3 (10) 32.0
 
March 27, 2020, 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
 
March 27, 2020, 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
 
March 27, 2020, 1 a.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
 
March 27, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.2 μg/m3 (18) 31.0
 
March 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
March 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
March 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.6 μg/m3 (19) 32.0
 
March 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
March 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
March 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
March 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
March 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.4 μg/m3 (18) 27.0
 
March 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
March 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
March 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.2 μg/m3 (22) 23.0
 
March 26, 2020, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 5.2 μg/m3 (22) 22.0
 
March 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.4 μg/m3 (23) 23.0
 
March 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
March 26, 2020, 9 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
 
March 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
March 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
March 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0
 
March 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.3 μg/m3 (22) 25.0
 
March 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.6 μg/m3 (23) 24.0
 
March 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.7 μg/m3 (24) 25.0
 
March 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
March 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 26, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.3 μg/m3 (26) 26.0
 
March 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 7.2 μg/m3 (30) 30.0
 
March 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.3 μg/m3 (30) 30.0
 
March 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 7.7 μg/m3 (32) 32.0
 
March 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 7.2 μg/m3 (30) 30.0
 
March 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.7 μg/m3 (24) 24.0
 
March 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.6 μg/m3 (23) 23.0
 
March 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.2 μg/m3 (18) 19.0
 
March 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
March 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.9 μg/m3 (20) 20.0
 
March 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.4 μg/m3 (18) 20.0
 
March 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.4 μg/m3 (18) 20.0
 
March 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.6 μg/m3 (19) 19.0