ID: 1308

AQSQID: 000091801

Site Name: Fort Chipewyan

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

Updated: March 1, 2021, 7:32 p.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
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.7 μg/m3 (8) 33.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.9 μg/m3 (8) 34.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.6 μg/m3 (7) 36.0
 
March 1, 2021, 11 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
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.5 μg/m3 (7) 37.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
March 1, 2021, 7 a.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
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.6 μg/m3 (7) 35.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.7 μg/m3 (8) 33.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.7 μg/m3 (8) 33.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.1 μg/m3 (9) 30.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.3 μg/m3 (10) 30.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.2 μg/m3 (10) 29.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.5 μg/m3 (11) 28.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.5 μg/m3 (11) 29.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.2 μg/m3 (10) 28.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.9 μg/m3 (8) 29.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.1 μg/m3 (9) 28.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.4 μg/m3 (15) 26.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.5 μg/m3 (11) 28.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Feb. 28, 2021, 5 a.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
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.2 μg/m3 (10) 32.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.5 μg/m3 (7) 33.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.7 μg/m3 (8) 35.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.7 μg/m3 (12) 35.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.3 μg/m3 (10) 37.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
Feb. 27, 2021, 8 p.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
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.7 μg/m3 (12) 30.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.6 μg/m3 (16) 22.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.5 μg/m3 (19) 20.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.3 μg/m3 (18) 19.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.7 μg/m3 (16) 20.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 5.4 μg/m3 (23) 23.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 7.9 μg/m3 (33) 33.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.1 μg/m3 (18) 20.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.1 μg/m3 (18) 22.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 6.5 μg/m3 (28) 28.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 26.0 μg/m3 (81) 81.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 27.8 μg/m3 (85) 85.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 11.3 μg/m3 (48) 48.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Feb. 27, 2021, midnight 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
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.6 μg/m3 (20) 21.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.2 μg/m3 (18) 20.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.1 μg/m3 (18) 20.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.1 μg/m3 (18) 19.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.1 μg/m3 (18) 19.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.9 μg/m3 (17) 20.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.6 μg/m3 (16) 21.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.7 μg/m3 (16) 22.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.9 μg/m3 (17) 22.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.7 μg/m3 (16) 23.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.7 μg/m3 (16) 24.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.2 μg/m3 (14) 30.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.2 μg/m3 (14) 31.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.4 μg/m3 (10) 34.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.2 μg/m3 (10) 32.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
Feb. 25, 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
 
Feb. 25, 2021, 8 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
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.7 μg/m3 (8) 33.0
 
Feb. 25, 2021, 6 p.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
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.5 μg/m3 (7) 32.0
 
Feb. 25, 2021, 4 p.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
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.9 μg/m3 (13) 27.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.5 μg/m3 (11) 25.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
Feb. 25, 2021, 11 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
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
Feb. 25, 2021, 7 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
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.7 μg/m3 (8) 29.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.6 μg/m3 (7) 29.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.8 μg/m3 (8) 29.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.1 μg/m3 (9) 28.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.2 μg/m3 (10) 27.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Feb. 24, 2021, 9 p.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
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.2 μg/m3 (10) 25.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.5 μg/m3 (11) 25.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.1 μg/m3 (13) 23.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
Feb. 24, 2021, noon 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
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.9 μg/m3 (33) 33.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.7 μg/m3 (33) 33.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 8.8 μg/m3 (37) 37.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 33.8 μg/m3 (97) 97.0
 
Feb. 24, 2021, 3 a.m. 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
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 11.2 μg/m3 (47) 47.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 22.6 μg/m3 (74) 74.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.6 μg/m3 (57) 57.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 9.1 μg/m3 (38) 38.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.5 μg/m3 (28) 28.0
 
Feb. 23, 2021, 9 p.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
 
Feb. 23, 2021, 8 p.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
 
Feb. 23, 2021, 7 p.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
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Feb. 23, 2021, 5 p.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
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Feb. 23, 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
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.2 μg/m3 (10) 26.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.4 μg/m3 (19) 25.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 7.8 μg/m3 (33) 33.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.5 μg/m3 (44) 44.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.7 μg/m3 (28) 28.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.9 μg/m3 (38) 38.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.6 μg/m3 (16) 28.0
 
Feb. 22, 2021, 8 p.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
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0