AQSQID: 000090130

Site Name: Edmonton Central

Location: Edmonton, CC

Reporting: True, Located: True

Current AQI: 28.0

Edmonton CC, CA: 53.5453, -113.4992

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 18, 2019, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A 4.7 μg/m3 (20) 22.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.5 ppb (6) N/A 4.6 μg/m3 (19) 20.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 0.1 μg/m3 (0) 12.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 3.2 μg/m3 (13) 16.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 14.0
 
Sept. 18, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 3.8 μg/m3 (16) 17.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 19.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 21.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A -1.4 μg/m3 (0) 15.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 1.9 μg/m3 (8) 12.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 3.2 μg/m3 (13) 13.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) 0.4 ppb (4) N/A 4.3 μg/m3 (18) 19.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.4 ppb (4) N/A 2.9 μg/m3 (12) 19.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 17, 2019, noon N/A N/A N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 17, 2019, 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 (15) 15.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A 3.2 μg/m3 (13) 13.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A 1.7 μg/m3 (7) 12.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A -0.5 μg/m3 (0) 12.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A 2.7 μg/m3 (11) 13.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.3 ppb (3) N/A 2.3 μg/m3 (10) 15.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 4.1 μg/m3 (17) 19.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 17.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A -0.4 μg/m3 (0) 16.0
 
Sept. 17, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 20.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A -0.8 μg/m3 (0) 22.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 21.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A 1.6 μg/m3 (7) 21.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 3.3 μg/m3 (14) 19.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 14.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.4 ppb (4) N/A -1.6 μg/m3 (0) 12.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A 6.3 μg/m3 (26) 26.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 0.5 μg/m3 (2) 10.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) 0.4 ppb (4) N/A 9.7 μg/m3 (40) 40.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 1.0 ppb (1) 0.3 ppb (3) N/A -0.9 μg/m3 (0) 14.0
 
Sept. 16, 2019, noon N/A N/A N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) 0.2 ppb (2) N/A 1.3 μg/m3 (5) 10.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A 1.6 μg/m3 (7) 12.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) 0.3 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 16, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.3 ppb (3) N/A 3.1 μg/m3 (13) 25.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 1.7 μg/m3 (7) 22.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A 2.5 μg/m3 (10) 11.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) 0.3 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.4 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A 11.4 μg/m3 (48) 48.0
 
Sept. 15, 2019, noon N/A N/A N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A -3.6 μg/m3 (0) 10.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A -0.6 μg/m3 (0) 14.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 0.1 μg/m3 (0) 14.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.3 ppb (3) N/A 3.8 μg/m3 (16) 16.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) 0.3 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.3 ppb (3) N/A 2.7 μg/m3 (11) 13.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 15.0
 
Sept. 15, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 17.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A 3.3 μg/m3 (14) 16.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 14.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) 0.4 ppb (4) N/A 2.8 μg/m3 (12) 14.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.4 ppb (4) N/A 2.7 μg/m3 (11) 16.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.6 ppb (7) N/A -0.2 μg/m3 (0) 13.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) 0.3 ppb (3) N/A 0.9 μg/m3 (4) 13.0
 
Sept. 14, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A 1.2 μg/m3 (5) 12.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 14, 2019, 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 (3) 3.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A -1.9 μg/m3 (0) 10.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.3 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A -0.6 μg/m3 (0) 13.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.3 ppb (3) N/A 0.3 μg/m3 (1) 14.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.3 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.3 ppb (3) N/A 3.6 μg/m3 (15) 17.0
 
Sept. 14, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 20.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A -1.2 μg/m3 (0) 20.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 0.9 μg/m3 (4) 19.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A -1.2 μg/m3 (0) 18.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 1.3 μg/m3 (5) 17.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 15.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) 0.4 ppb (4) N/A 2.3 μg/m3 (10) 13.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.4 ppb (4) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) 0.4 ppb (4) N/A 3.3 μg/m3 (14) 16.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.3 ppb (3) N/A 2.2 μg/m3 (9) 16.0
 
Sept. 13, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A 1.9 μg/m3 (8) 11.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A -1.5 μg/m3 (0) 8.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A 1.4 μg/m3 (6) 10.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A -1.6 μg/m3 (0) 15.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A 3.2 μg/m3 (13) 16.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A -3.3 μg/m3 (0) 15.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 13.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.3 ppb (3) N/A 1.6 μg/m3 (7) 18.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A -1.9 μg/m3 (0) 18.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 2.4 μg/m3 (10) 18.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A 2.5 μg/m3 (10) 16.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) 0.3 ppb (3) N/A 3.5 μg/m3 (15) 15.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 11.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.3 ppb (3) N/A 2.5 μg/m3 (10) 10.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) 0.3 ppb (3) N/A N/A 11.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A 0.6 μg/m3 (2) 11.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) 0.3 ppb (3) N/A N/A 12.0
 
Sept. 12, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) 0.2 ppb (2) N/A N/A 11.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) 0.2 ppb (2) N/A N/A 7.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) 0.2 ppb (2) N/A N/A 6.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) 0.2 ppb (2) N/A N/A 6.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A N/A 6.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A N/A 7.0
 
Sept. 12, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
Sept. 12, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
Sept. 12, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A N/A 11.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A N/A 10.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A N/A 10.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 9.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A N/A 11.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A N/A 10.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A N/A 10.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A 0.4 μg/m3 (2) 10.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A 0.9 μg/m3 (4) 11.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A 1.5 μg/m3 (6) 7.0
 
Sept. 11, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 8.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A -1.4 μg/m3 (0) 5.0
 
Sept. 11, 2019, 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 (0) N/A
Sept. 11, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) 0.2 ppb (2) N/A -2.8 μg/m3 (0) 5.0