ID: 1296

AQSQID: 000090502

Site Name: Lethbridge

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

Updated: March 1, 2021, 7:32 p.m.

Location: Lethbridge (12 Ave N), CC

Reporting: True, Located: True

Current AQI: 32.0

Lethbridge (12 Ave N) CC, CA: 49.7164, -112.8006

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 1, 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
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.4 μg/m3 (2) 31.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.6 μg/m3 (7) 30.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A -0.2 μg/m3 (0) 34.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -0.4 μg/m3 (0) 35.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.2 μg/m3 (22) 35.0
 
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 0.9 μg/m3 (4) 35.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.6 μg/m3 (3) 34.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.6 μg/m3 (3) 34.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.7 μg/m3 (3) 36.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.7 μg/m3 (3) 36.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.2 μg/m3 (14) 37.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.6 μg/m3 (3) 38.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.6 μg/m3 (3) 38.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.6 μg/m3 (3) 38.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.3 μg/m3 (6) 38.0
 
Feb. 28, 2021, 4 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
 
Feb. 28, 2021, 3 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
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.4 μg/m3 (6) 40.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.8 μg/m3 (4) 40.0
 
Feb. 28, 2021, noon 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
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.1 μg/m3 (9) 40.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 16.1 μg/m3 (60) 60.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.5 μg/m3 (19) 30.0
 
Feb. 27, 2021, 7 p.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
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.4 μg/m3 (23) 26.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 5.9 μg/m3 (25) 25.0
 
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 6.5 μg/m3 (28) 28.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 11.8 μg/m3 (50) 50.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 10.2 μg/m3 (43) 43.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.2 μg/m3 (22) 22.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 6.2 μg/m3 (26) 26.0
 
Feb. 27, 2021, 11 a.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
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (23) 23.0
 
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 7.3 μg/m3 (31) 31.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.6 μg/m3 (28) 28.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.2 μg/m3 (10) 34.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.8 μg/m3 (4) 34.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.5 μg/m3 (3) 34.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.8 μg/m3 (4) 34.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.5 μg/m3 (3) 35.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.3 μg/m3 (2) 34.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
Feb. 26, 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
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.4 μg/m3 (6) 37.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.3 μg/m3 (35) 37.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 8.7 μg/m3 (37) 38.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.4 μg/m3 (2) 37.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.4 μg/m3 (2) 38.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.1 μg/m3 (30) 39.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
Feb. 25, 2021, 8 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
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.3 μg/m3 (39) 40.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.7 μg/m3 (3) 40.0
 
Feb. 25, 2021, 4 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
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.7 μg/m3 (8) 38.0
 
Feb. 25, 2021, 2 p.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
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.5 μg/m3 (3) 38.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.5 μg/m3 (3) 39.0
 
Feb. 25, 2021, 9 a.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
 
Feb. 25, 2021, 8 a.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
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.6 μg/m3 (3) 37.0
 
Feb. 25, 2021, 2 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
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.3 μg/m3 (2) 37.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.3 μg/m3 (2) 39.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.7 μg/m3 (3) 39.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 13.2 μg/m3 (54) 54.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.1 μg/m3 (9) 29.0
 
Feb. 24, 2021, 3 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, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 7.5 μg/m3 (32) 32.0
 
Feb. 24, 2021, 1 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. 24, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.7 μg/m3 (8) 30.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
Feb. 24, 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
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.1 μg/m3 (5) 36.0
 
Feb. 24, 2021, 8 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. 24, 2021, 7 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
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 3.9 μg/m3 (17) 18.0
 
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 2.2 μg/m3 (10) 26.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.9 μg/m3 (8) 30.0
 
Feb. 24, 2021, 2 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
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
Feb. 23, 2021, 11 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
 
Feb. 23, 2021, 10 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
 
Feb. 23, 2021, 9 p.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. 23, 2021, 8 p.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
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.7 μg/m3 (8) 38.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.2 μg/m3 (5) 35.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.3 μg/m3 (6) 36.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.2 μg/m3 (5) 37.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.8 μg/m3 (4) 39.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.7 μg/m3 (3) 41.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Feb. 23, 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
 
Feb. 23, 2021, 9 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
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Feb. 23, 2021, 7 a.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
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.1 μg/m3 (5) 42.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.8 μg/m3 (4) 42.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.1 μg/m3 (1) 40.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.2 μg/m3 (5) 37.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.4 μg/m3 (2) 39.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A -0.4 μg/m3 (0) 39.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A -0.7 μg/m3 (0) 38.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.1 μg/m3 (1) 39.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.6 μg/m3 (3) 38.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.6 μg/m3 (3) 38.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.2 μg/m3 (1) 36.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -0.1 μg/m3 (0) 35.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -0.4 μg/m3 (0) 35.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A -0.4 μg/m3 (0) 36.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A -0.4 μg/m3 (0) 37.0
 
Feb. 22, 2021, 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 (0) 0.0
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -0.1 μg/m3 (0) 38.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.6 μg/m3 (11) 38.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.8 μg/m3 (8) 39.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.8 μg/m3 (4) 39.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.3 μg/m3 (2) 39.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A -0.2 μg/m3 (0) 38.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -0.2 μg/m3 (0) 38.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -0.1 μg/m3 (0) 38.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -0.1 μg/m3 (0) 38.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -0.1 μg/m3 (0) 38.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 21, 2021, 5 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
 
Feb. 21, 2021, 4 p.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
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
Feb. 21, 2021, 2 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
 
Feb. 21, 2021, 1 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
 
Feb. 21, 2021, noon 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
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.5 μg/m3 (3) 39.0
 
Feb. 21, 2021, 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