ID: 2076

AQSQID: 000091701

Site Name: Steeper

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

Updated: Jan. 19, 2022, 6:34 a.m.

Location: Alberta (Yellowhead Co), CC

Reporting: True, Located: True

Current AQI: 25.0

Alberta (Yellowhead Co) CC, CA: 53.1325, -117.09111

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2022, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
Jan. 19, 2022, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.2 μg/m3 (22) 24.0
 
Jan. 19, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 7.8 μg/m3 (33) 33.0
 
Jan. 19, 2022, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 12.5 μg/m3 (52) 52.0
 
Jan. 19, 2022, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 14.3 μg/m3 (56) 56.0
 
Jan. 18, 2022, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 18, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 14.2 μg/m3 (56) 56.0
 
Jan. 18, 2022, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 18, 2022, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 18, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
Jan. 18, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Jan. 18, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Jan. 18, 2022, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.0 μg/m3 (9) 22.0
 
Jan. 18, 2022, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
Jan. 18, 2022, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.7 μg/m3 (8) 23.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.6 μg/m3 (7) 23.0
 
Jan. 18, 2022, 10 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
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
Jan. 18, 2022, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
Jan. 18, 2022, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.5 μg/m3 (7) 23.0
 
Jan. 18, 2022, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Jan. 18, 2022, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
Jan. 18, 2022, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Jan. 18, 2022, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.9 μg/m3 (8) 23.0
 
Jan. 18, 2022, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
Jan. 18, 2022, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
Jan. 18, 2022, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.9 μg/m3 (13) 23.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.6 μg/m3 (11) 23.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 0.2 μg/m3 (1) 37.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 17, 2022, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 0.1 μg/m3 (1) 39.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.1 μg/m3 (1) 38.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.1 μg/m3 (1) 38.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.1 μg/m3 (1) 38.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.1 μg/m3 (1) 38.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 17, 2022, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 16, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 0.2 μg/m3 (1) 33.0
 
Jan. 16, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 0.3 μg/m3 (2) 33.0
 
Jan. 16, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 16, 2022, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 16, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.2 μg/m3 (1) 40.0
 
Jan. 16, 2022, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 16, 2022, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 16, 2022, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 0.2 μg/m3 (1) 43.0
 
Jan. 16, 2022, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 0.3 μg/m3 (2) 43.0
 
Jan. 16, 2022, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 0.2 μg/m3 (1) 43.0
 
Jan. 16, 2022, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 0.2 μg/m3 (1) 43.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 0.2 μg/m3 (1) 42.0
 
Jan. 16, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
Jan. 16, 2022, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.2 μg/m3 (1) 40.0
 
Jan. 16, 2022, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.2 μg/m3 (1) 40.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.3 μg/m3 (2) 40.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.2 μg/m3 (1) 40.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.3 μg/m3 (2) 41.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.3 μg/m3 (2) 41.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.3 μg/m3 (2) 41.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 16, 2022, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 0.2 μg/m3 (1) 42.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 0.3 μg/m3 (2) 42.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 0.3 μg/m3 (2) 37.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 0.2 μg/m3 (1) 37.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 0.2 μg/m3 (1) 36.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 15, 2022, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.4 μg/m3 (2) 40.0
 
Jan. 15, 2022, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.4 μg/m3 (2) 40.0
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.4 μg/m3 (2) 41.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.3 μg/m3 (2) 41.0
 
Jan. 15, 2022, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 15, 2022, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 15, 2022, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.1 μg/m3 (1) 41.0
 
Jan. 15, 2022, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.2 μg/m3 (1) 40.0
 
Jan. 15, 2022, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 15, 2022, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
Jan. 14, 2022, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 14, 2022, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 0.4 μg/m3 (2) 37.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 0.4 μg/m3 (2) 35.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.4 μg/m3 (2) 38.0
 
Jan. 14, 2022, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 0.4 μg/m3 (2) 36.0
 
Jan. 14, 2022, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 0.4 μg/m3 (2) 33.0
 
Jan. 14, 2022, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 0.3 μg/m3 (2) 35.0
 
Jan. 14, 2022, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.3 μg/m3 (2) 30.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
Jan. 14, 2022, noon N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 1.1 μg/m3 (5) 21.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
Jan. 14, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 4.2 μg/m3 (18) 28.0
 
Jan. 14, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 14, 2022, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 14, 2022, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 4.6 μg/m3 (20) 22.0
 
Jan. 14, 2022, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 4.9 μg/m3 (21) 22.0
 
Jan. 14, 2022, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.7 μg/m3 (16) 24.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
Jan. 14, 2022, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.3 μg/m3 (6) 25.0
 
Jan. 14, 2022, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 0.9 μg/m3 (4) 29.0
 
Jan. 14, 2022, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 0.1 μg/m3 (1) 28.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.2 μg/m3 (1) 30.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 1.6 μg/m3 (7) 27.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 4.2 μg/m3 (18) 28.0
 
Jan. 13, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.4 μg/m3 (19) 26.0
 
Jan. 13, 2022, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 13, 2022, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 13, 2022, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
Jan. 13, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
Jan. 13, 2022, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
Jan. 13, 2022, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
Jan. 13, 2022, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 0.4 μg/m3 (2) 38.0
 
Jan. 13, 2022, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A -0.1 μg/m3 (0) 40.0
 
Jan. 13, 2022, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 0.1 μg/m3 (1) 40.0
 
Jan. 13, 2022, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 13, 2022, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.3 μg/m3 (0) 41.0
 
Jan. 13, 2022, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 13, 2022, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A -0.1 μg/m3 (0) 40.0
 
Jan. 13, 2022, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 0.1 μg/m3 (1) 41.0
 
Jan. 12, 2022, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 12, 2022, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 12, 2022, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 12, 2022, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A -0.2 μg/m3 (0) 40.0
 
Jan. 12, 2022, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 12, 2022, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.1 μg/m3 (0) 41.0
 
Jan. 12, 2022, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 12, 2022, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.1 μg/m3 (0) 41.0
 
Jan. 12, 2022, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 12, 2022, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A -0.2 μg/m3 (0) 41.0
 
Jan. 12, 2022, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A -0.2 μg/m3 (0) 39.0
 
Jan. 12, 2022, noon N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A -0.2 μg/m3 (0) 39.0
 
Jan. 12, 2022, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A -0.1 μg/m3 (0) 39.0
 
Jan. 12, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
Jan. 12, 2022, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A -0.2 μg/m3 (0) 39.0
 
Jan. 12, 2022, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A -0.2 μg/m3 (0) 40.0
 
Jan. 12, 2022, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
Jan. 12, 2022, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.2 μg/m3 (1) 40.0
 
Jan. 12, 2022, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.2 μg/m3 (1) 40.0