AQSQID: 000090701

Site Name: Athabasca Valley

Location: Fort Mcmurray (Macdonald Dr), CC

Reporting: True, Located: True

Current AQI: 22.0

Fort Mcmurray (Macdonald Dr) CC, CA: 56.7328, -111.39

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.2 μg/m3 (22) 22.0
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 5.2 μg/m3 (22) 22.0
 
March 29, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.4 μg/m3 (18) 23.0
 
March 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.4 μg/m3 (14) 24.0
 
March 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
March 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
March 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
March 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.3 μg/m3 (10) 24.0
 
March 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.6 μg/m3 (11) 23.0
 
March 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
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 3.1 μg/m3 (13) 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 4.6 μg/m3 (19) 22.0
 
March 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.6 μg/m3 (19) 21.0
 
March 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.5 μg/m3 (19) 20.0
 
March 28, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.5 μg/m3 (19) 20.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.4 μg/m3 (18) 19.0
 
March 28, 2020, 10 a.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 28, 2020, 9 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 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.7 μg/m3 (11) 21.0
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.3 μg/m3 (10) 22.0
 
March 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.6 μg/m3 (15) 22.0
 
March 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.9 μg/m3 (12) 23.0
 
March 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 21.0
 
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 2.4 μg/m3 (10) 25.0
 
March 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
March 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
March 28, 2020, midnight 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
 
March 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.1 μg/m3 (9) 26.0
 
March 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
March 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.9 μg/m3 (12) 26.0
 
March 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
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 34.0 ppb (26) N/A N/A 2.2 μg/m3 (9) 26.0
 
March 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.2 μg/m3 (9) 25.0
 
March 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
March 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.2 μg/m3 (9) 25.0
 
March 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
March 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.9 μg/m3 (16) 21.0
 
March 27, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.4 μg/m3 (14) 20.0
 
March 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.7 μg/m3 (15) 20.0
 
March 27, 2020, 10 a.m. 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 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.2 μg/m3 (13) 27.0
 
March 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
March 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.9 μg/m3 (12) 26.0
 
March 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
March 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
March 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.6 μg/m3 (15) 27.0
 
March 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0
 
March 27, 2020, 2 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
 
March 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
March 27, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 6.4 μg/m3 (27) 32.0
 
March 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 6.2 μg/m3 (26) 31.0
 
March 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 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 42.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
March 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
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 5.6 μg/m3 (23) 30.0
 
March 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.6 μg/m3 (19) 24.0
 
March 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.3 μg/m3 (18) 23.0
 
March 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.2 μg/m3 (13) 22.0
 
March 26, 2020, 1 p.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
 
March 26, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.8 μg/m3 (12) 20.0
 
March 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
March 26, 2020, 10 a.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
 
March 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.1 μg/m3 (13) 19.0
 
March 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
March 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
March 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
March 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
March 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 3.7 μg/m3 (15) 15.0
 
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 1.4 μg/m3 (6) 25.0
 
March 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.6 μg/m3 (19) 21.0
 
March 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
March 26, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.3 μg/m3 (5) 28.0
 
March 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0
 
March 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.7 μg/m3 (3) 28.0
 
March 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.8 μg/m3 (3) 28.0
 
March 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.1 μg/m3 (5) 28.0
 
March 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.3 μg/m3 (10) 26.0
 
March 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
March 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.8 μg/m3 (20) 20.0
 
March 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 4.2 μg/m3 (18) 18.0
 
March 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 4.6 μg/m3 (19) 19.0
 
March 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
March 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 5.3 μg/m3 (22) 22.0
 
March 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.1 μg/m3 (21) 21.0
 
March 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 5.4 μg/m3 (23) 23.0
 
March 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 6.2 μg/m3 (26) 26.0
 
March 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 7.5 μg/m3 (31) 31.0
 
March 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 8.4 μg/m3 (35) 35.0
 
March 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 8.6 μg/m3 (36) 36.0
 
March 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 12.7 μg/m3 (51) 51.0
 
March 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 25, 2020, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.6 μg/m3 (23) 23.0
 
March 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.8 μg/m3 (24) 24.0
 
March 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.7 μg/m3 (28) 28.0
 
March 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 6.1 μg/m3 (25) 25.0
 
March 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 4.8 μg/m3 (20) 20.0
 
March 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
March 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.6 μg/m3 (15) 15.0
 
March 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.5 μg/m3 (10) 15.0
 
March 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.1 μg/m3 (13) 13.0
 
March 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
March 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.9 μg/m3 (12) 15.0
 
March 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
March 24, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.7 μg/m3 (11) 16.0
 
March 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
March 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 3.5 μg/m3 (15) 15.0
 
March 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
March 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.7 μg/m3 (20) 20.0
 
March 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.9 μg/m3 (20) 20.0
 
March 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.8 μg/m3 (20) 20.0
 
March 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 5.1 μg/m3 (21) 21.0
 
March 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
March 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.6 μg/m3 (0) 29.0
 
March 24, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.7 μg/m3 (0) 29.0
 
March 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.7 μg/m3 (0) 29.0
 
March 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.7 μg/m3 (0) 29.0
 
March 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.3 μg/m3 (0) 29.0
 
March 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.1 μg/m3 (0) 28.0
 
March 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.3 μg/m3 (1) 28.0
 
March 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
March 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.1 μg/m3 (13) 19.0
 
March 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
March 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.8 μg/m3 (8) 16.0
 
March 23, 2020, 2 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
 
March 23, 2020, 1 p.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
 
March 23, 2020, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.0 μg/m3 (4) 15.0
 
March 23, 2020, 11 a.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
 
March 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.8 μg/m3 (8) 18.0
 
March 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.4 μg/m3 (6) 18.0
 
March 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.3 μg/m3 (5) 21.0
 
March 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.3 μg/m3 (1) 24.0
 
March 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 0.6 μg/m3 (2) 22.0
 
March 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
March 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.7 μg/m3 (11) 17.0
 
March 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 3.6 μg/m3 (15) 17.0
 
March 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.7 μg/m3 (7) 23.0
 
March 23, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.1 μg/m3 (0) 28.0
 
March 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.8 μg/m3 (3) 27.0
 
March 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.7 μg/m3 (7) 26.0
 
March 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.3 μg/m3 (10) 26.0
 
March 22, 2020, 8 p.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 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
March 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
March 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
March 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.6 μg/m3 (2) 27.0
 
March 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.1 μg/m3 (0) 26.0
 
March 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A -0.2 μg/m3 (0) 26.0
 
March 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A -0.4 μg/m3 (0) 27.0
 
March 22, 2020, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -0.4 μg/m3 (0) 28.0
 
March 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.5 μg/m3 (0) 28.0
 
March 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.5 μg/m3 (0) 28.0
 
March 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.6 μg/m3 (0) N/A
March 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.6 μg/m3 (0) 28.0
 
March 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.6 μg/m3 (0) 28.0
 
March 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.6 μg/m3 (0) 28.0
 
March 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.7 μg/m3 (0) 28.0
 
March 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.5 μg/m3 (0) 28.0
 
March 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -0.2 μg/m3 (0) 28.0