ID: 1297

AQSQID: 000090121

Site Name: Edmonton East

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

Updated: June 20, 2021, 9:51 p.m.

Location: Sherwood Park (17 St), CC

Reporting: True, Located: True

Current AQI: 32.0

Sherwood Park (17 St) CC, CA: 53.5472, -113.3681

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 20, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) N/A 1.2 μg/m3 (5) 32.0
 
June 20, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 31.0 ppb (29) 0.1 ppb (2) N/A 1.2 μg/m3 (5) 29.0
 
June 20, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 27.0 ppb (25) 0.1 ppb (2) N/A 1.5 μg/m3 (7) 25.0
 
June 20, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 9.0 ppb (13) 26.0 ppb (25) 0.3 ppb (4) N/A 2.1 μg/m3 (9) 25.0
 
June 20, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 19.0 ppb (28) 19.0 ppb (18) 0.2 ppb (3) N/A 3.6 μg/m3 (16) 28.0
 
June 20, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 5.0 ppb (8) 17.0 ppb (16) 0.1 ppb (2) N/A 3.2 μg/m3 (14) 16.0
 
June 20, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (13) 0.2 ppb (3) N/A 3.5 μg/m3 (15) 15.0
 
June 20, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 19.0
 
June 20, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (7) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
June 20, 2021, 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
 
June 20, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 14.0
 
June 20, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 20.0
 
June 20, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 3.8 μg/m3 (16) 21.0
 
June 20, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 3.8 μg/m3 (16) 20.0
 
June 20, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A 3.7 μg/m3 (16) 18.0
 
June 20, 2021, 4 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 20.0 ppb (19) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
June 20, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 29.0
 
June 20, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 2.6 μg/m3 (11) 36.0
 
June 20, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 35.0
 
June 20, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 36.0
 
June 19, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 34.0
 
June 19, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 35.0
 
June 19, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 2.5 μg/m3 (11) 31.0
 
June 19, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 2.3 μg/m3 (10) 34.0
 
June 19, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) N/A 1.8 μg/m3 (8) 34.0
 
June 19, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 34.0
 
June 19, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) N/A 1.4 μg/m3 (6) 33.0
 
June 19, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 2.6 μg/m3 (11) 30.0
 
June 19, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 2.6 μg/m3 (11) 28.0
 
June 19, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 2.6 μg/m3 (11) 26.0
 
June 19, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 20.0
 
June 19, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 18.0 ppb (17) 0.3 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
June 19, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
June 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
June 19, 2021, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A 9.4 μg/m3 (40) 40.0
 
June 19, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 25.0
 
June 19, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) 0.2 ppb (3) N/A 2.5 μg/m3 (11) 26.0
 
June 19, 2021, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A 4.0 ppb (6) 29.0 ppb (27) 0.2 ppb (3) N/A 2.7 μg/m3 (12) 27.0
 
June 19, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 4.0 ppb (6) 30.0 ppb (28) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 28.0
 
June 19, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 4.2 μg/m3 (18) 29.0
 
June 19, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
June 19, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) N/A 6.1 μg/m3 (26) 29.0
 
June 19, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 31.0 ppb (29) 0.2 ppb (3) N/A 4.3 μg/m3 (18) 29.0
 
June 19, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A 10.0 ppb (15) 31.0 ppb (29) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 29.0
 
June 18, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 11.0 ppb (16) 32.0 ppb (30) 0.1 ppb (2) N/A 4.5 μg/m3 (19) 30.0
 
June 18, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 6.0 ppb (9) 32.0 ppb (30) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 30.0
 
June 18, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 29.0 ppb (27) 0.2 ppb (3) N/A 3.1 μg/m3 (13) 27.0
 
June 18, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 29.0 ppb (27) 0.2 ppb (3) N/A 1.8 μg/m3 (8) 27.0
 
June 18, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 1.6 μg/m3 (7) 27.0
 
June 18, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 25.0
 
June 18, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) N/A 0.7 μg/m3 (3) 23.0
 
June 18, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A 0.8 μg/m3 (4) 18.0
 
June 18, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (13) 0.2 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
June 18, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) 0.3 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
June 18, 2021, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) 0.2 ppb (3) N/A 1.9 μg/m3 (8) 13.0
 
June 18, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 12.0 ppb (12) 0.2 ppb (3) N/A 1.5 μg/m3 (7) 12.0
 
June 18, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) 0.2 ppb (3) N/A 1.5 μg/m3 (7) 13.0
 
June 18, 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
 
June 18, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A 2.6 μg/m3 (11) 16.0
 
June 18, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) 0.2 ppb (3) N/A 0.7 μg/m3 (3) 14.0
 
June 18, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) 0.1 ppb (2) N/A 1.6 μg/m3 (7) 14.0
 
June 18, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (16) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 16.0
 
June 18, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.1 ppb (2) N/A 0.2 μg/m3 (1) 18.0
 
June 18, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) N/A 0.6 μg/m3 (3) 20.0
 
June 18, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 25.0
 
June 18, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A 4.3 μg/m3 (18) 19.0
 
June 18, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A 1.2 μg/m3 (5) 19.0
 
June 18, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) N/A -0.2 μg/m3 (0) 23.0
 
June 17, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) N/A 0.2 μg/m3 (1) 25.0
 
June 17, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) N/A 0.6 μg/m3 (3) 25.0
 
June 17, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 24.0
 
June 17, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 1.5 μg/m3 (7) 26.0
 
June 17, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 1.3 μg/m3 (6) 29.0
 
June 17, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 4.2 μg/m3 (18) 29.0
 
June 17, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 30.0
 
June 17, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 30.0
 
June 17, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 30.0
 
June 17, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 29.0
 
June 17, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) 0.2 ppb (3) N/A 1.7 μg/m3 (8) 27.0
 
June 17, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A 1.2 μg/m3 (5) 25.0
 
June 17, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) N/A 0.8 μg/m3 (4) 23.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 17, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 1.2 μg/m3 (5) 24.0
 
June 17, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 1.2 μg/m3 (5) 26.0
 
June 17, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 1.6 μg/m3 (7) 27.0
 
June 17, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 27.0
 
June 17, 2021, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) N/A 1.5 μg/m3 (7) 20.0
 
June 17, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 24.0
 
June 17, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 2.3 μg/m3 (10) 26.0
 
June 17, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 28.0
 
June 17, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 30.0
 
June 17, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 0.7 μg/m3 (3) 35.0
 
June 16, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) 0.2 ppb (3) N/A 1.7 μg/m3 (8) 37.0
 
June 16, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 0.6 μg/m3 (3) 36.0
 
June 16, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) 0.2 ppb (3) N/A 0.6 μg/m3 (3) 36.0
 
June 16, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) 0.2 ppb (3) N/A 0.8 μg/m3 (4) 36.0
 
June 16, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 7.0 ppb (10) 37.0 ppb (35) 0.4 ppb (5) N/A 2.4 μg/m3 (10) 35.0
 
June 16, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 4.0 ppb (6) 37.0 ppb (35) 0.3 ppb (4) N/A 1.6 μg/m3 (7) 35.0
 
June 16, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) 0.2 ppb (3) N/A 0.4 μg/m3 (2) 35.0
 
June 16, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 9.0 ppb (13) 34.0 ppb (32) 0.4 ppb (5) N/A 1.9 μg/m3 (8) 32.0
 
June 16, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 0.1 μg/m3 (1) 30.0
 
June 16, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 0.2 μg/m3 (1) 28.0
 
June 16, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A 0.6 μg/m3 (3) 24.0
 
June 16, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 27.0 ppb (25) 0.3 ppb (4) N/A 1.3 μg/m3 (6) 25.0
 
June 16, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) N/A 1.1 μg/m3 (5) 24.0
 
June 16, 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
 
June 16, 2021, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A 12.0 ppb (18) 18.0 ppb (17) 0.4 ppb (5) N/A 5.8 μg/m3 (25) 25.0
 
June 16, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A 8.0 ppb (12) 24.0 ppb (23) 0.4 ppb (5) N/A 6.1 μg/m3 (26) 26.0
 
June 16, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 26.0 ppb (25) 0.3 ppb (4) N/A 2.6 μg/m3 (11) 25.0
 
June 16, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 1.5 μg/m3 (7) 27.0
 
June 16, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) N/A 1.4 μg/m3 (6) 33.0
 
June 16, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) N/A 1.3 μg/m3 (6) 34.0
 
June 16, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 36.0
 
June 16, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 6.5 μg/m3 (28) 35.0
 
June 16, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 42.0 ppb (39) 0.2 ppb (3) N/A 6.3 μg/m3 (27) 39.0
 
June 16, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 44.0 ppb (41) 0.2 ppb (3) N/A 6.3 μg/m3 (27) 41.0
 
June 15, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 15.0 ppb (22) 42.0 ppb (39) 0.8 ppb (10) N/A 10.1 μg/m3 (43) 43.0
 
June 15, 2021, 10 p.m. N/A N/A N/A 7.0 ppb (7) N/A 9.0 ppb (13) 39.0 ppb (37) 0.6 ppb (7) N/A 8.6 μg/m3 (36) 37.0
 
June 15, 2021, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 11.0 ppb (16) 41.0 ppb (38) 0.3 ppb (4) N/A 6.2 μg/m3 (26) 38.0
 
June 15, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (5) 34.0 ppb (32) 0.2 ppb (3) N/A 5.5 μg/m3 (23) 32.0
 
June 15, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 4.8 μg/m3 (20) 35.0
 
June 15, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 29.0 ppb (27) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 15, 2021, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 27.0 ppb (25) 0.5 ppb (6) N/A 10.9 μg/m3 (46) 46.0
 
June 15, 2021, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 33.0 ppb (31) 0.2 ppb (3) N/A 11.6 μg/m3 (49) 49.0
 
June 15, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 29.0 ppb (27) 0.2 ppb (3) N/A 11.3 μg/m3 (48) 48.0
 
June 15, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 30.0 ppb (28) 0.2 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
June 15, 2021, 1 p.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 22.0 ppb (21) 0.3 ppb (4) N/A 10.4 μg/m3 (44) 44.0
 
June 15, 2021, noon N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
June 15, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
June 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
June 15, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
June 15, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
June 15, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
June 15, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 39.0 ppb (37) 0.3 ppb (4) N/A 9.2 μg/m3 (39) 39.0
 
June 15, 2021, 4 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 38.0 ppb (36) 0.2 ppb (3) N/A 7.5 μg/m3 (32) 36.0
 
June 15, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (41) 0.2 ppb (3) N/A 6.2 μg/m3 (26) 41.0
 
June 15, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.2 ppb (3) N/A 6.5 μg/m3 (28) 44.0
 
June 15, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 46.0 ppb (43) 0.2 ppb (3) N/A 6.7 μg/m3 (28) 43.0
 
June 15, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 48.0 ppb (45) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 45.0
 
June 14, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 42.0 ppb (39) 0.3 ppb (4) N/A 11.3 μg/m3 (48) 48.0
 
June 14, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 40.0
 
June 14, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) N/A 3.6 μg/m3 (16) 40.0
 
June 14, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) N/A 3.4 μg/m3 (15) 38.0
 
June 14, 2021, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 35.0 ppb (33) 0.3 ppb (4) N/A 12.8 μg/m3 (53) 53.0
 
June 14, 2021, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
June 14, 2021, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) N/A 7.1 μg/m3 (30) 30.0
 
June 14, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (15) 0.4 ppb (5) N/A 14.2 μg/m3 (56) 56.0
 
June 14, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A 2.5 μg/m3 (11) 19.0
 
June 14, 2021, 2 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (12) 0.2 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
June 14, 2021, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) N/A 5.8 μg/m3 (25) 25.0
 
June 14, 2021, noon N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 12.0 ppb (12) 0.2 ppb (3) N/A 8.2 μg/m3 (35) 35.0
 
June 14, 2021, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A 7.8 μg/m3 (33) 33.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
June 14, 2021, 9 a.m. N/A N/A N/A 12.0 ppb (12) N/A 2.0 ppb (3) 25.0 ppb (24) 0.2 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
June 14, 2021, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 5.9 μg/m3 (25) 27.0
 
June 14, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 41.0
 
June 14, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.2 ppb (3) N/A 3.7 μg/m3 (16) 43.0
 
June 14, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.2 ppb (3) N/A 5.4 μg/m3 (23) 44.0
 
June 14, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 45.0 ppb (42) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 42.0
 
June 14, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.2 ppb (3) N/A 4.1 μg/m3 (18) 50.0
 
June 14, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) 0.2 ppb (3) N/A 2.8 μg/m3 (12) 51.0
 
June 14, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (55) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 55.0
 
June 14, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) 0.1 ppb (2) N/A 2.9 μg/m3 (13) 51.0
 
June 13, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.1 ppb (2) N/A 3.9 μg/m3 (17) 50.0
 
June 13, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (58) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 58.0
 
June 13, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 57.0 ppb (58) 0.1 ppb (2) N/A 3.2 μg/m3 (14) 58.0
 
June 13, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (50) 0.1 ppb (2) N/A 3.3 μg/m3 (14) 50.0