ID: 1298

AQSQID: 000090601

Site Name: Fort Saskatchewan

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

Updated: April 10, 2021, 6:43 p.m.

Location: Fort Saskatchewan (93 St), CC

Reporting: True, Located: True

Current AQI: 37.0

Fort Saskatchewan (93 St) CC, CA: 53.6989, -113.2233

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.7 μg/m3 (16) 37.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.1 μg/m3 (18) 28.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.5 μg/m3 (23) 23.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.4 μg/m3 (19) 19.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.7 μg/m3 (24) 27.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 8.6 μg/m3 (36) 36.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 11.3 μg/m3 (48) 48.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 11.4 μg/m3 (48) 48.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.3 μg/m3 (31) 31.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.5 μg/m3 (32) 38.0
 
April 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 5.1 μg/m3 (22) 42.0
 
April 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 5.4 μg/m3 (23) 45.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 7.9 μg/m3 (33) 42.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.6 μg/m3 (20) 46.0
 
April 10, 2021, midnight 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
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 3.7 μg/m3 (16) 48.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 3.7 μg/m3 (16) 47.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 3.7 μg/m3 (16) 46.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.4 μg/m3 (15) 45.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.4 μg/m3 (15) 44.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.5 μg/m3 (19) 39.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.3 μg/m3 (27) 27.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.4 μg/m3 (27) 27.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.4 μg/m3 (23) 23.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.1 μg/m3 (18) 21.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.1 μg/m3 (13) 28.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.3 μg/m3 (10) 26.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.1 μg/m3 (13) 28.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.4 μg/m3 (19) 21.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.3 μg/m3 (23) 23.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 6.7 μg/m3 (28) 28.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 11.7 μg/m3 (49) 49.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.9 μg/m3 (17) 23.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.5 μg/m3 (11) 34.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 9, 2021, midnight 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
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.8 μg/m3 (12) 37.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.9 μg/m3 (13) 35.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.1 μg/m3 (13) 36.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.4 μg/m3 (15) 35.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.4 μg/m3 (15) 34.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.9 μg/m3 (13) 32.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.6 μg/m3 (16) 32.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.4 μg/m3 (15) 34.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.6 μg/m3 (16) 34.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.4 μg/m3 (19) 36.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.2 μg/m3 (22) 39.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.3 μg/m3 (27) 38.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.1 μg/m3 (26) 37.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.6 μg/m3 (24) 38.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.5 μg/m3 (32) 39.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.5 μg/m3 (28) 41.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 6.6 μg/m3 (28) 43.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.1 μg/m3 (38) 40.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.7 μg/m3 (41) 41.0
 
April 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 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 9.1 μg/m3 (38) 43.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 8.9 μg/m3 (38) 45.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 8.5 μg/m3 (36) 46.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.4 μg/m3 (31) 41.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.6 μg/m3 (28) 35.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.3 μg/m3 (27) 34.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.6 μg/m3 (28) 36.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.4 μg/m3 (27) 36.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 9.3 μg/m3 (39) 39.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.6 μg/m3 (32) 32.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.4 μg/m3 (31) 33.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.2 μg/m3 (35) 35.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 8.5 μg/m3 (36) 36.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.5 μg/m3 (32) 38.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.5 μg/m3 (32) 44.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 8.0 μg/m3 (34) 42.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 8.1 μg/m3 (34) 40.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 8.0 μg/m3 (34) 41.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 7.7 μg/m3 (33) 46.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 7.4 μg/m3 (31) 48.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 7.1 μg/m3 (30) 49.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 6.6 μg/m3 (28) 49.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.9 μg/m3 (21) 44.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.4 μg/m3 (23) 42.0
 
April 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 5.5 μg/m3 (23) 38.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.4 μg/m3 (27) 31.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.2 μg/m3 (26) 26.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.4 μg/m3 (27) 27.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.3 μg/m3 (27) 31.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.8 μg/m3 (29) 30.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.2 μg/m3 (31) 31.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.7 μg/m3 (28) 28.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 8.1 μg/m3 (34) 34.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 8.2 μg/m3 (35) 35.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 10.6 μg/m3 (45) 45.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 10.8 μg/m3 (46) 46.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 8.5 μg/m3 (36) 36.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.9 μg/m3 (29) 36.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.6 μg/m3 (24) 39.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.5 μg/m3 (23) 43.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.1 μg/m3 (22) 44.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.7 μg/m3 (20) 45.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.2 μg/m3 (18) 43.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.4 μg/m3 (19) 39.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.1 μg/m3 (18) 38.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.9 μg/m3 (21) 28.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 5.3 μg/m3 (23) 23.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 5.1 μg/m3 (22) 22.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.1 μg/m3 (22) 22.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 4.6 μg/m3 (20) 20.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 4.4 μg/m3 (19) 19.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.9 μg/m3 (17) 23.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.7 μg/m3 (16) 26.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.5 μg/m3 (19) 28.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.4 μg/m3 (15) 31.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.1 μg/m3 (13) 37.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.8 μg/m3 (16) 37.0
 
April 4, 2021, 11 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
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.7 μg/m3 (16) 38.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.6 μg/m3 (16) 38.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.6 μg/m3 (20) 40.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.4 μg/m3 (23) 41.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.2 μg/m3 (18) 40.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.4 μg/m3 (27) 38.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 7.4 μg/m3 (31) 36.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.9 μg/m3 (29) 33.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.2 μg/m3 (22) 27.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.6 μg/m3 (24) 24.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.4 μg/m3 (19) 25.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.4 μg/m3 (19) 28.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.2 μg/m3 (18) 30.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.3 μg/m3 (18) 33.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.8 μg/m3 (20) 35.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.1 μg/m3 (26) 31.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.6 μg/m3 (24) 37.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.3 μg/m3 (27) 38.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.6 μg/m3 (28) 41.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.7 μg/m3 (20) 43.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.4 μg/m3 (19) 46.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.4 μg/m3 (19) 46.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.9 μg/m3 (21) 46.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 8.0 μg/m3 (34) 43.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 9.6 μg/m3 (40) 41.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.1 μg/m3 (26) 37.0
 
April 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.5 μg/m3 (23) 38.0