AQSQID: 421010076

Site Name: Mon

Location: Philadelphia (Schuylkill Expy), PA

Reporting: True, Located: True

Current AQI: 42.0

Philadelphia (Schuylkill Expy) PA, US: 39.988842, -75.207205

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.37 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.37 ppb (4) N/A 9.1 μg/m3 (38) 38.0
 
Sept. 21, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.64 ppb (7) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 21, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.72 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2019, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.56 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 21, 2019, noon N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.54 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.46 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 21, 2019, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.43 ppb (5) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 21, 2019, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.43 ppb (5) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.42 ppb (5) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.49 ppb (5) N/A 10.1 μg/m3 (42) 42.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.55 ppb (6) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 21, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.45 ppb (5) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.39 ppb (4) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.49 ppb (5) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.41 ppb (5) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 20, 2019, noon N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.54 ppb (6) N/A 2.1 μg/m3 (9) 13.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.38 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.33 ppb (4) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.34 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.52 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.53 ppb (6) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 20, 2019, midnight N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.46 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.41 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.48 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.43 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.31 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.36 ppb (4) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.52 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.56 ppb (6) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.52 ppb (6) N/A 11.8 μg/m3 (49) 49.0
 
Sept. 19, 2019, midnight N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.56 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.55 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.47 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.53 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.41 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.44 ppb (5) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.49 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.51 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.55 ppb (6) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.47 ppb (5) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.42 ppb (5) N/A 3.1 μg/m3 (13) 13.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.52 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.59 ppb (7) N/A 10.8 μg/m3 (45) 45.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.59 ppb (7) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.43 ppb (5) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.48 ppb (5) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.44 ppb (5) N/A 2.1 μg/m3 (9) 9.0
 
Sept. 18, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.38 ppb (4) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.31 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 1.0 μg/m3 (4) 6.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.37 ppb (4) N/A 2.1 μg/m3 (9) 9.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.53 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.54 ppb (6) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 17, 2019, noon N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.57 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.56 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.52 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.51 ppb (6) N/A 9.2 μg/m3 (38) 38.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 14.8 μg/m3 (56) 56.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.51 ppb (6) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.64 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.68 ppb (8) N/A 12.8 μg/m3 (52) 52.0
 
Sept. 17, 2019, midnight N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.73 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.56 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.54 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.53 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.52 ppb (6) N/A 3.1 μg/m3 (13) 13.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.54 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.46 ppb (5) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.55 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.53 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.72 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.93 ppb (10) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, noon N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.88 ppb (10) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.71 ppb (8) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.52 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.48 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.53 ppb (6) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.54 ppb (6) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.47 ppb (5) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.47 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.46 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (5) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 16, 2019, midnight N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.51 ppb (6) N/A 3.0 μg/m3 (12) 16.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.48 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.37 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.36 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.38 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.4 ppb (4) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.44 ppb (5) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.47 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.49 ppb (5) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.53 ppb (6) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.54 ppb (6) N/A 1.9 μg/m3 (8) 8.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.49 ppb (5) N/A 0.2 μg/m3 (1) 5.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.49 ppb (5) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.56 ppb (6) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.55 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.54 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.55 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.56 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.55 ppb (6) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.52 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.51 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.53 ppb (6) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 15, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.55 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.44 ppb (5) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.49 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.61 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.54 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.55 ppb (6) N/A 8.0 μg/m3 (33) 33.0