ID: 1297

AQSQID: 000090121

Site Name: Edmonton East

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

Updated: Oct. 21, 2021, 6:04 p.m.

Location: Sherwood Park (17 St), CC

Reporting: True, Located: True

Current AQI: 20.0

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
Oct. 13, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 19.0 ppb (18) 0.4 ppb (5) N/A 7.6 μg/m3 (32) 32.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 17.0 ppb (16) 0.3 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (14) 0.2 ppb (3) N/A 4.9 μg/m3 (21) 21.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 25.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (11) 0.2 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 6.0 ppb (6) 0.2 ppb (3) N/A 1.3 μg/m3 (6) 22.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 8.0 ppb (8) 0.2 ppb (3) N/A 0.9 μg/m3 (4) 23.0
 
Oct. 13, 2021, noon N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 13.0 ppb (13) 0.2 ppb (3) N/A 0.0 μg/m3 (0) 13.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A -0.4 μg/m3 (0) 19.0
 
Oct. 13, 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 (0) 0.0
Oct. 13, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A -0.8 μg/m3 (0) 24.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A -1.4 μg/m3 (0) 25.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A -1.4 μg/m3 (0) 25.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A -1.0 μg/m3 (0) 26.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A -0.7 μg/m3 (0) 27.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A -0.1 μg/m3 (0) 27.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 0.4 μg/m3 (2) 28.0
 
Oct. 13, 2021, 2 a.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 -0.1 μg/m3 (0) 27.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A -1.3 μg/m3 (0) 27.0
 
Oct. 13, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A -1.1 μg/m3 (0) 28.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 0.0 μg/m3 (0) 28.0
 
Oct. 12, 2021, 10 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 1.3 μg/m3 (6) 26.0
 
Oct. 12, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 1.8 μg/m3 (8) 27.0
 
Oct. 12, 2021, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 1.5 μg/m3 (7) 26.0
 
Oct. 12, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 2.5 μg/m3 (11) 26.0
 
Oct. 12, 2021, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A 1.3 μg/m3 (6) 25.0
 
Oct. 12, 2021, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A 0.4 μg/m3 (2) 19.0
 
Oct. 12, 2021, 4 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 16.0 ppb (15) 0.2 ppb (3) N/A 0.8 μg/m3 (4) 15.0
 
Oct. 12, 2021, 3 p.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 8.0 ppb (8) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 21.0
 
Oct. 12, 2021, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) N/A 1.0 μg/m3 (5) 17.0
 
Oct. 12, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 6.0 ppb (6) 0.2 ppb (3) N/A 1.1 μg/m3 (5) 22.0
 
Oct. 12, 2021, noon N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (7) 0.2 ppb (3) N/A 0.4 μg/m3 (2) 19.0
 
Oct. 12, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (7) 0.2 ppb (3) N/A -0.1 μg/m3 (0) 17.0
 
Oct. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.1 μg/m3 (0) 0.0
Oct. 12, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (13) 0.2 ppb (3) N/A 0.0 μg/m3 (0) 13.0
 
Oct. 12, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 12.0 ppb (12) 0.2 ppb (3) N/A 0.6 μg/m3 (3) 12.0
 
Oct. 12, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (11) 0.2 ppb (3) N/A 0.3 μg/m3 (2) 12.0
 
Oct. 12, 2021, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (8) 0.3 ppb (4) N/A 2.5 μg/m3 (11) 17.0
 
Oct. 12, 2021, 5 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 5.0 ppb (5) 0.3 ppb (4) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 12, 2021, 4 a.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
Oct. 12, 2021, 3 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 5.0 ppb (5) 0.3 ppb (4) N/A 3.8 μg/m3 (16) 23.0
 
Oct. 12, 2021, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) N/A 2.4 μg/m3 (10) 16.0
 
Oct. 12, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) N/A 0.8 μg/m3 (4) 17.0
 
Oct. 12, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 0.3 μg/m3 (2) 20.0
 
Oct. 11, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A -0.4 μg/m3 (0) 24.0
 
Oct. 11, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A -0.3 μg/m3 (0) 24.0
 
Oct. 11, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A -0.6 μg/m3 (0) 23.0
 
Oct. 11, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A -1.0 μg/m3 (0) 23.0
 
Oct. 11, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 0.0 μg/m3 (0) 21.0
 
Oct. 11, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A -0.7 μg/m3 (0) 23.0
 
Oct. 11, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A -0.6 μg/m3 (0) 23.0
 
Oct. 11, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A -0.6 μg/m3 (0) 21.0
 
Oct. 11, 2021, 3 p.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 -0.4 μg/m3 (0) 19.0
 
Oct. 11, 2021, 2 p.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 -0.8 μg/m3 (0) 19.0
 
Oct. 11, 2021, 1 p.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 -0.9 μg/m3 (0) 21.0
 
Oct. 11, 2021, noon 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 -0.9 μg/m3 (0) 21.0
 
Oct. 11, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 23.0 ppb (22) 0.2 ppb (3) N/A -1.0 μg/m3 (0) 22.0
 
Oct. 11, 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 (0) 0.0
Oct. 11, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) N/A -0.6 μg/m3 (0) 22.0
 
Oct. 11, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 24.0 ppb (23) 0.2 ppb (3) N/A -0.6 μg/m3 (0) 23.0
 
Oct. 11, 2021, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) N/A -0.2 μg/m3 (0) 22.0
 
Oct. 11, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 24.0 ppb (23) 0.2 ppb (3) N/A 0.1 μg/m3 (1) 23.0
 
Oct. 11, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) N/A 0.5 μg/m3 (3) 24.0
 
Oct. 11, 2021, 4 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 23.0 ppb (22) 0.2 ppb (3) N/A 0.8 μg/m3 (4) 22.0
 
Oct. 11, 2021, 3 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 0.8 μg/m3 (4) 24.0
 
Oct. 11, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A 1.1 μg/m3 (5) 24.0
 
Oct. 11, 2021, 1 a.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 1.3 μg/m3 (6) 26.0
 
Oct. 11, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A 1.6 μg/m3 (7) 25.0
 
Oct. 10, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 0.8 μg/m3 (4) 29.0
 
Oct. 10, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 1.1 μg/m3 (5) 29.0
 
Oct. 10, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 1.4 μg/m3 (6) 29.0
 
Oct. 10, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 1.6 μg/m3 (7) 26.0
 
Oct. 10, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 1.8 μg/m3 (8) 27.0
 
Oct. 10, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 30.0
 
Oct. 10, 2021, 5 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 1.6 μg/m3 (7) 28.0
 
Oct. 10, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 0.6 μg/m3 (3) 27.0
 
Oct. 10, 2021, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (14) 0.2 ppb (3) N/A 2.2 μg/m3 (10) 16.0
 
Oct. 10, 2021, 2 p.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 2.3 μg/m3 (10) 20.0
 
Oct. 10, 2021, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (15) 0.2 ppb (3) N/A 1.5 μg/m3 (7) 15.0
 
Oct. 10, 2021, noon 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 0.6 μg/m3 (3) 21.0
 
Oct. 10, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 0.1 μg/m3 (1) 25.0
 
Oct. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
Oct. 10, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 0.9 μg/m3 (4) 25.0
 
Oct. 10, 2021, 8 a.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 2.1 μg/m3 (9) 28.0
 
Oct. 10, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
Oct. 10, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 32.0
 
Oct. 10, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 36.0
 
Oct. 10, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) N/A 4.9 μg/m3 (21) 34.0
 
Oct. 10, 2021, 3 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 6.5 μg/m3 (28) 33.0
 
Oct. 10, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 32.0
 
Oct. 10, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
Oct. 10, 2021, midnight N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 33.0 ppb (31) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 31.0
 
Oct. 9, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 33.0 ppb (31) 0.2 ppb (3) N/A 3.6 μg/m3 (16) 31.0
 
Oct. 9, 2021, 10 p.m. N/A N/A N/A 10.0 ppb (10) N/A 12.0 ppb (18) 35.0 ppb (33) 0.7 ppb (8) N/A 3.4 μg/m3 (15) 33.0
 
Oct. 9, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 9.0 ppb (13) 35.0 ppb (33) 0.5 ppb (6) N/A 2.0 μg/m3 (9) 33.0
 
Oct. 9, 2021, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 36.0 ppb (34) 0.3 ppb (4) N/A 1.0 μg/m3 (5) 34.0
 
Oct. 9, 2021, 7 p.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 0.8 μg/m3 (4) 34.0
 
Oct. 9, 2021, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 29.0 ppb (27) 0.2 ppb (3) N/A 4.9 μg/m3 (21) 27.0
 
Oct. 9, 2021, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) N/A 9.9 μg/m3 (42) 42.0
 
Oct. 9, 2021, 4 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 15.0 ppb (14) 0.3 ppb (4) N/A 12.1 μg/m3 (51) 51.0
 
Oct. 9, 2021, 3 p.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 10.0 ppb (10) 0.3 ppb (4) N/A 11.1 μg/m3 (47) 47.0
 
Oct. 9, 2021, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 8.0 ppb (8) 0.3 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 9, 2021, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 8.0 ppb (8) 0.3 ppb (4) N/A 10.6 μg/m3 (45) 45.0
 
Oct. 9, 2021, noon N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 6.0 ppb (6) 0.3 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Oct. 9, 2021, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 3.1 μg/m3 (13) 20.0
 
Oct. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Oct. 9, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
Oct. 9, 2021, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 9, 2021, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 3.4 μg/m3 (15) 28.0
 
Oct. 9, 2021, 6 a.m. N/A N/A N/A 27.0 ppb (26) N/A 0.0 ppb (0) 15.0 ppb (14) 0.2 ppb (3) N/A 2.8 μg/m3 (12) 26.0
 
Oct. 9, 2021, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A 3.4 μg/m3 (15) 23.0
 
Oct. 9, 2021, 4 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 3.9 μg/m3 (17) 25.0
 
Oct. 9, 2021, 3 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 2.4 μg/m3 (10) 25.0
 
Oct. 9, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 9, 2021, 1 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 13.0 ppb (13) 0.2 ppb (3) N/A 4.8 μg/m3 (20) 29.0
 
Oct. 9, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 2.1 μg/m3 (9) 32.0
 
Oct. 8, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 2.3 μg/m3 (10) 32.0
 
Oct. 8, 2021, 10 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 35.0 ppb (33) 0.2 ppb (3) N/A 1.6 μg/m3 (7) 33.0
 
Oct. 8, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 1.0 μg/m3 (5) 32.0
 
Oct. 8, 2021, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 1.9 μg/m3 (8) 28.0
 
Oct. 8, 2021, 7 p.m. N/A N/A N/A 15.0 ppb (15) N/A 4.0 ppb (6) 28.0 ppb (26) 0.4 ppb (5) N/A 4.1 μg/m3 (18) 26.0
 
Oct. 8, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A 5.0 ppb (8) 23.0 ppb (22) 0.5 ppb (6) N/A 3.6 μg/m3 (16) 22.0
 
Oct. 8, 2021, 5 p.m. N/A N/A N/A 38.0 ppb (36) N/A 5.0 ppb (8) 11.0 ppb (11) 0.7 ppb (8) N/A 16.9 μg/m3 (62) 62.0
 
Oct. 8, 2021, 4 p.m. N/A N/A N/A 34.0 ppb (33) N/A 7.0 ppb (10) 6.0 ppb (6) 0.7 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 8, 2021, 3 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 3.0 ppb (3) 0.5 ppb (6) N/A 11.7 μg/m3 (49) 49.0
 
Oct. 8, 2021, 2 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 1.0 ppb (1) 0.5 ppb (6) N/A 22.7 μg/m3 (74) 74.0
 
Oct. 8, 2021, 1 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 1.0 ppb (1) 0.4 ppb (5) N/A 31.1 μg/m3 (91) 91.0
 
Oct. 8, 2021, noon N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.4 ppb (5) N/A 19.5 μg/m3 (67) 67.0
 
Oct. 8, 2021, 11 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
Oct. 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 8, 2021, 9 a.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 2.0 ppb (2) 0.3 ppb (4) N/A 7.3 μg/m3 (31) 31.0
 
Oct. 8, 2021, 8 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 2.0 ppb (2) 0.3 ppb (4) N/A 7.8 μg/m3 (33) 33.0
 
Oct. 8, 2021, 7 a.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 7.0 ppb (7) 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 8, 2021, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 11.0 ppb (11) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 8, 2021, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Oct. 8, 2021, 4 a.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 7.0 ppb (7) 0.3 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Oct. 8, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) N/A 6.1 μg/m3 (26) 26.0
 
Oct. 8, 2021, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A 5.5 μg/m3 (23) 24.0
 
Oct. 8, 2021, 1 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 24.0 ppb (23) 0.2 ppb (3) N/A 3.8 μg/m3 (16) 23.0
 
Oct. 8, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) N/A 2.6 μg/m3 (11) 33.0
 
Oct. 7, 2021, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 35.0 ppb (33) 0.2 ppb (3) N/A 2.9 μg/m3 (13) 33.0
 
Oct. 7, 2021, 10 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) N/A 4.2 μg/m3 (18) 33.0
 
Oct. 7, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
Oct. 7, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) N/A 15.1 μg/m3 (58) 58.0
 
Oct. 7, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 30.0 ppb (28) 0.3 ppb (4) N/A 20.5 μg/m3 (69) 69.0
 
Oct. 7, 2021, 6 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A 26.7 μg/m3 (82) 82.0
 
Oct. 7, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 19.0 ppb (18) 0.4 ppb (5) N/A 25.4 μg/m3 (79) 79.0
 
Oct. 7, 2021, 4 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Oct. 7, 2021, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (4) 0.3 ppb (4) N/A 18.5 μg/m3 (65) 65.0
 
Oct. 7, 2021, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (5) N/A 15.1 μg/m3 (58) 58.0
 
Oct. 7, 2021, 1 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 0.0 ppb (0) 0.4 ppb (5) N/A 15.3 μg/m3 (58) 58.0
 
Oct. 7, 2021, noon N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (4) N/A 13.4 μg/m3 (54) 54.0
 
Oct. 7, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (4) N/A 11.8 μg/m3 (50) 50.0
 
Oct. 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
Oct. 7, 2021, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 8.0 ppb (8) 0.3 ppb (4) N/A 9.7 μg/m3 (41) 41.0
 
Oct. 7, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 14.2 μg/m3 (56) 56.0
 
Oct. 7, 2021, 7 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (9) 0.3 ppb (4) N/A 14.6 μg/m3 (57) 57.0
 
Oct. 7, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 10.0 ppb (10) 0.3 ppb (4) N/A 14.7 μg/m3 (57) 57.0
 
Oct. 7, 2021, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 16.1 μg/m3 (60) 60.0
 
Oct. 7, 2021, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (11) 0.3 ppb (4) N/A 18.5 μg/m3 (65) 65.0
 
Oct. 7, 2021, 3 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 13.0 ppb (13) 0.4 ppb (5) N/A 24.7 μg/m3 (78) 78.0
 
Oct. 7, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.4 ppb (5) N/A 27.9 μg/m3 (85) 85.0
 
Oct. 7, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (19) 0.4 ppb (5) N/A 28.7 μg/m3 (86) 86.0
 
Oct. 7, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.3 ppb (4) N/A 14.9 μg/m3 (57) 57.0
 
Oct. 6, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.3 ppb (4) N/A 14.6 μg/m3 (57) 57.0
 
Oct. 6, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.3 ppb (4) N/A 12.5 μg/m3 (52) 52.0
 
Oct. 6, 2021, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) N/A 18.9 μg/m3 (66) 66.0