ID: 2521

AQSQID: 000080402

Site Name: Prince Albert

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

Updated: April 21, 2021, 7:44 p.m.

Location: Prince Albert (1 Ave E), CC

Reporting: True, Located: True

Current AQI: 53.0

Prince Albert (1 Ave E) CC, CA: 53.201694, -105.75203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 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 9.0 μg/m3 (38) 38.0
 
April 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 21, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 14.0 μg/m3 (55) 55.0
 
April 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 21, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0
 
April 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0
 
April 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 8.0 μg/m3 (34) 40.0
 
April 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
April 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
April 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
April 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
April 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
April 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 20, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
April 19, 2021, 10 p.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 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 18, 2021, 4 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 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 18, 2021, 2 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 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
April 18, 2021, 4 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 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
April 18, 2021, midnight 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 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 7.0 μg/m3 (30) 42.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 8.0 μg/m3 (34) 36.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 16.0 μg/m3 (60) 60.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 19.0 μg/m3 (66) 66.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 14.0 μg/m3 (55) 55.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 14.0 μg/m3 (55) 55.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 19.0 μg/m3 (66) 66.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 22.0 μg/m3 (72) 72.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 26.0 μg/m3 (81) 81.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 28.0 μg/m3 (85) 85.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 28.0 μg/m3 (85) 85.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 25.0 μg/m3 (79) 79.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 41.0 μg/m3 (115) 115.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 36.0 μg/m3 (103) 103.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 61.0 μg/m3 (154) 154.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 44.0 μg/m3 (122) 122.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 22.0 μg/m3 (72) 72.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.0 μg/m3 (34) 37.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 9.0 μg/m3 (38) 39.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
April 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
April 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
April 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
April 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
April 15, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0