AQSQID: 090010010

Site Name: Bridgeport

Location: Bridgeport, CT

Reporting: True, Located: True

Current AQI: 53.0

Bridgeport CT, US: 41.171398, -73.195297

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.78 ppb (9) N/A 13.6 μg/m3 (53) 53.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.56 ppb (6) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.46 ppb (5) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.51 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.37 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.51 ppb (6) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.52 ppb (6) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 6.3 μg/m3 (26) 26.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.29 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.28 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.28 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.34 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.43 ppb (5) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.52 ppb (6) N/A 8.2 μg/m3 (34) 34.0
 
Sept. 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.52 ppb (6) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.44 ppb (5) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.55 ppb (6) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.53 ppb (6) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.44 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.39 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.32 ppb (4) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.29 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.19 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.33 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.29 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.19 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.41 ppb (5) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.39 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.37 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.37 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.28 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.14 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.29 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 3.8 μg/m3 (16) 16.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.32 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.36 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.31 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.28 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.38 ppb (4) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.32 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.34 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.54 ppb (6) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.49 ppb (5) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.45 ppb (5) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.5 ppb (6) N/A 7.5 μg/m3 (31) 31.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.43 ppb (5) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.34 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.46 ppb (5) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.52 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.48 ppb (5) N/A 9.4 μg/m3 (39) 39.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.52 ppb (6) N/A 9.2 μg/m3 (38) 38.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.43 ppb (5) N/A 9.1 μg/m3 (38) 38.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.42 ppb (5) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.42 ppb (5) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.37 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.39 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.42 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.38 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.39 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.69 ppb (8) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.35 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.28 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0