AQSQID: 421010048

Site Name: New

Location: Philadelphia (Lewis St), PA

Reporting: True, Located: True

Current AQI: 42.0

Philadelphia (Lewis St) PA, US: 39.991389, -75.080833

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.18 ppb (2) 18.0 μg/m3 (16) 10.1 μg/m3 (42) 42.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.3 ppb (3) 29.0 μg/m3 (26) 17.9 μg/m3 (63) 63.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 8.0 ppb (6) 0.46 ppb (5) 38.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.56 ppb (6) 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) 0.74 ppb (8) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) 0.56 ppb (6) 19.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.39 ppb (4) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.41 ppb (5) 17.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 0.0 ppb (0) 0.47 ppb (5) 17.0 μg/m3 (15) 14.9 μg/m3 (56) 56.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 0.0 ppb (0) 0.51 ppb (6) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.51 ppb (6) 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 7.0 ppb (5) 0.39 ppb (4) 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.81 ppb (9) 15.0 μg/m3 (14) 12.9 μg/m3 (52) 52.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 5.0 ppb (4) 0.61 ppb (7) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 12.0 ppb (9) 0.5 ppb (6) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.41 ppb (5) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.19 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 36.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 51.0 ppb (39) 0.15 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 39.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 51.0 ppb (39) 0.15 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 39.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 52.0 ppb (40) 0.14 ppb (2) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 40.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 52.0 ppb (40) 0.15 ppb (2) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 40.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) 0.14 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 37.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.14 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 32.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.14 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.16 ppb (2) 15.0 μg/m3 (14) 4.1 μg/m3 (17) 20.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.18 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.19 ppb (2) 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 11.0 ppb (8) 0.21 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 7.0 ppb (5) 0.23 ppb (3) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.18 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) 0.13 ppb (1) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) 0.14 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) 0.14 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.14 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 13.0 ppb (10) 0.15 ppb (2) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.15 ppb (2) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.15 ppb (2) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.16 ppb (2) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.16 ppb (2) 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.11 ppb (1) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.09 ppb (1) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.09 ppb (1) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 28.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.09 ppb (1) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 27.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 26.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.12 ppb (1) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 25.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 26.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.13 ppb (1) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.16 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 13.0 ppb (10) 0.16 ppb (2) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 11.0 ppb (8) 0.15 ppb (2) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 13.0 ppb (10) 0.14 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.12 ppb (1) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.12 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.12 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 18.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.13 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.22 ppb (2) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 18.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.15 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.13 ppb (1) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.14 ppb (2) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.13 ppb (1) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 19.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 21.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.13 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.14 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.11 ppb (1) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.12 ppb (1) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.13 ppb (1) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.13 ppb (1) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.13 ppb (1) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.16 ppb (2) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.15 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.12 ppb (1) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.11 ppb (1) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.12 ppb (1) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 13.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.11 ppb (1) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 15.0 ppb (12) 0.11 ppb (1) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 15.0 ppb (12) 0.11 ppb (1) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.11 ppb (1) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.11 ppb (1) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 14.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.11 ppb (1) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.12 ppb (1) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.14 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.21 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 32.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.19 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) 0.16 ppb (2) 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.18 ppb (2) 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) 0.17 ppb (2) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 38.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 51.0 ppb (39) 0.14 ppb (2) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 39.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.14 ppb (2) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 36.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.12 ppb (1) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 34.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.14 ppb (2) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.19 ppb (2) 23.0 μg/m3 (21) 9.1 μg/m3 (38) 38.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.24 ppb (3) 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.29 ppb (3) 25.0 μg/m3 (23) 12.9 μg/m3 (52) 52.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.25 ppb (3) 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.19 ppb (2) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.17 ppb (2) 23.0 μg/m3 (21) 11.1 μg/m3 (46) 46.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.14 ppb (2) 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 12.0 ppb (9) 0.16 ppb (2) 26.0 μg/m3 (24) 15.9 μg/m3 (58) 58.0
 
Sept. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.19 ppb (2) 24.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) 0.2 ppb (2) 21.0 μg/m3 (19) 12.9 μg/m3 (52) 52.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.2 ppb (2) 24.0 μg/m3 (22) 9.1 μg/m3 (38) 38.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) 0.17 ppb (2) 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.16 ppb (2) 24.0 μg/m3 (22) 12.9 μg/m3 (52) 52.0
 
Sept. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.17 ppb (2) 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 27.0 μg/m3 (25) 11.1 μg/m3 (46) 46.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 67.0 ppb (52) 0.16 ppb (2) 30.0 μg/m3 (27) 14.9 μg/m3 (56) 56.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 71.0 ppb (55) 0.16 ppb (2) 31.0 μg/m3 (28) 10.1 μg/m3 (42) 55.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 71.0 ppb (55) 0.15 ppb (2) 30.0 μg/m3 (27) 13.0 μg/m3 (52) 55.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) 0.15 ppb (2) 30.0 μg/m3 (27) 12.0 μg/m3 (50) 52.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 65.0 ppb (50) 0.15 ppb (2) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 50.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 54.0 ppb (42) 0.13 ppb (1) 30.0 μg/m3 (27) 9.0 μg/m3 (38) 42.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.12 ppb (1) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.11 ppb (1) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.11 ppb (1) 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (17) 0.14 ppb (2) 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.14 ppb (2) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.12 ppb (1) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.09 ppb (1) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.08 ppb (1) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 17.0
 
Sept. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.08 ppb (1) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 17.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Sept. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.08 ppb (1) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.09 ppb (1) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.09 ppb (1) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 22.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.09 ppb (1) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.1 ppb (1) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Sept. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.13 ppb (1) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) 0.1 ppb (1) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 38.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) 0.1 ppb (1) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 38.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 37.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) 0.11 ppb (1) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 35.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.1 ppb (1) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 36.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.09 ppb (1) 14.0 μg/m3 (13) 8.9 μg/m3 (37) 37.0
 
Sept. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 32.0
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.11 ppb (1) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 28.0
 
Sept. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.13 ppb (1) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Sept. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 10, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) 0.3 ppb (3) 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.3 ppb (3) 26.0 μg/m3 (24) 8.9 μg/m3 (37) 37.0
 
Sept. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 2.0 ppb (2) 0.26 ppb (3) 44.0 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Sept. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.25 ppb (3) 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) 0.15 ppb (2) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 11.0 ppb (8) 0.15 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.13 ppb (1) 12.0 μg/m3 (11) 8.9 μg/m3 (37) 37.0
 
Sept. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.12 ppb (1) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.12 ppb (1) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.14 ppb (2) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.12 ppb (1) 10.0 μg/m3 (9) 9.9 μg/m3 (41) 41.0
 
Sept. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.11 ppb (1) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.11 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.13 ppb (1) 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Sept. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.19 ppb (2) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) 0.18 ppb (2) 20.0 μg/m3 (18) 8.1 μg/m3 (34) 38.0
 
Sept. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 61.0 ppb (47) 0.12 ppb (1) 19.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
Sept. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 62.0 ppb (48) 0.14 ppb (2) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 48.0
 
Sept. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 56.0 ppb (43) 0.14 ppb (2) 18.0 μg/m3 (16) 23.3 μg/m3 (74) 74.0
 
Sept. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 51.0 ppb (39) 0.14 ppb (2) 17.0 μg/m3 (15) N/A 39.0