ID: 1308

AQSQID: 000091801

Site Name: Fort Chipewyan

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

Updated: May 12, 2021, 5:44 a.m.

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

Reporting: True, Located: True

Current AQI: 33.0

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
May 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.6 μg/m3 (7) 33.0
 
May 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.3 μg/m3 (6) 32.0
 
May 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.5 μg/m3 (7) 33.0
 
May 12, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.3 μg/m3 (6) 34.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.3 μg/m3 (6) 34.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.6 μg/m3 (7) 33.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.1 μg/m3 (9) 33.0
 
May 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.7 μg/m3 (8) 34.0
 
May 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.7 μg/m3 (8) 31.0
 
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.2 μg/m3 (10) 25.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.8 μg/m3 (8) 25.0
 
May 11, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
May 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.8 μg/m3 (8) 27.0
 
May 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
May 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.8 μg/m3 (8) 25.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.6 μg/m3 (7) 24.0
 
May 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.2 μg/m3 (5) 28.0
 
May 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.3 μg/m3 (6) 32.0
 
May 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.9 μg/m3 (13) 42.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.5 μg/m3 (11) 41.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.4 μg/m3 (10) 42.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.3 μg/m3 (14) 42.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.6 μg/m3 (20) 39.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.9 μg/m3 (21) 36.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.5 μg/m3 (23) 33.0
 
May 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.2 μg/m3 (22) 33.0
 
May 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
May 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.7 μg/m3 (12) 33.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.8 μg/m3 (12) 33.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.7 μg/m3 (12) 37.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (11) 11.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.6 μg/m3 (11) 36.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.9 μg/m3 (13) 36.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.3 μg/m3 (18) 40.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.2 μg/m3 (18) 42.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.1 μg/m3 (18) 45.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 4.6 μg/m3 (20) 48.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.8 μg/m3 (16) 45.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.5 μg/m3 (11) 42.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.5 μg/m3 (7) 40.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.6 μg/m3 (7) 40.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.4 μg/m3 (6) 41.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 1.7 μg/m3 (8) 44.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 3.8 μg/m3 (16) 48.0
 
May 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.2 μg/m3 (18) 47.0
 
May 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.8 μg/m3 (20) 44.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.7 μg/m3 (24) 37.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.8 μg/m3 (20) 34.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.9 μg/m3 (17) 33.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.5 μg/m3 (15) 34.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
May 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
May 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.5 μg/m3 (11) 39.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.4 μg/m3 (10) 40.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.8 μg/m3 (12) 40.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.7 μg/m3 (12) 40.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.6 μg/m3 (11) 40.0
 
May 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.4 μg/m3 (10) 39.0
 
May 9, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.4 μg/m3 (15) 40.0
 
May 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.4 μg/m3 (15) 40.0
 
May 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.1 μg/m3 (13) 39.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
May 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
May 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
May 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
May 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
May 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.6 μg/m3 (7) 40.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (7) 7.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.6 μg/m3 (7) 41.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.3 μg/m3 (6) 41.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.2 μg/m3 (5) 41.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.1 μg/m3 (5) 41.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.1 μg/m3 (5) 40.0
 
May 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.3 μg/m3 (6) 39.0
 
May 8, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.3 μg/m3 (6) 39.0
 
May 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
May 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.3 μg/m3 (6) 39.0
 
May 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.5 μg/m3 (7) 40.0
 
May 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
May 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.4 μg/m3 (6) 39.0
 
May 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.4 μg/m3 (6) 38.0
 
May 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.4 μg/m3 (6) 38.0
 
May 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
May 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
May 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
May 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
May 7, 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
 
May 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
May 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.5 μg/m3 (11) 39.0
 
May 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.4 μg/m3 (10) 40.0
 
May 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.4 μg/m3 (10) 40.0
 
May 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.6 μg/m3 (11) 40.0
 
May 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.6 μg/m3 (11) 40.0
 
May 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.3 μg/m3 (10) 39.0
 
May 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 7, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
May 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
May 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
May 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.1 μg/m3 (9) 41.0
 
May 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.8 μg/m3 (8) 39.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
May 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
May 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.8 μg/m3 (8) 37.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.8 μg/m3 (8) 37.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.7 μg/m3 (8) 38.0
 
May 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
May 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
May 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
May 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.6 μg/m3 (7) 40.0
 
May 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.5 μg/m3 (7) 41.0
 
May 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.3 μg/m3 (6) 41.0
 
May 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.3 μg/m3 (10) 41.0
 
May 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.6 μg/m3 (11) 41.0
 
May 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.9 μg/m3 (8) 41.0
 
May 6, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.5 μg/m3 (7) 39.0
 
May 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
May 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.9 μg/m3 (4) 39.0
 
May 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.8 μg/m3 (4) 38.0
 
May 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
May 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
May 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.1 μg/m3 (5) 37.0
 
May 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.9 μg/m3 (4) 36.0
 
May 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.8 μg/m3 (4) 36.0
 
May 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.9 μg/m3 (4) 37.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.9 μg/m3 (4) 37.0
 
May 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.8 μg/m3 (4) 37.0
 
May 5, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.8 μg/m3 (4) 37.0
 
May 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.8 μg/m3 (4) 38.0
 
May 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (4) 4.0
 
May 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
May 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
May 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
May 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
May 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0