AQSQID: 291890016

Site Name: Rider Trail I-70

Location: Bridgeton, MO

Reporting: True, Located: True

Current AQI: 5.0

Bridgeton MO, US: 38.75264, -90.44884

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 17, 2019, 9 a.m. 4.6 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
Sept. 17, 2019, 8 a.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
Sept. 17, 2019, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
Sept. 17, 2019, 6 a.m. 3.4 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A N/A 4.0
 
Sept. 17, 2019, 5 a.m. 5.1 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
Sept. 17, 2019, 4 a.m. 9.3 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 17, 2019, 3 a.m. 11.8 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 17, 2019, 2 a.m. 23.1 ppb (21) 1.2 ppb (1) N/A 22.0 ppb (20) N/A 2.0 ppb (3) N/A N/A N/A N/A 21.0
 
Sept. 17, 2019, 1 a.m. 33.0 ppb (31) 7.7 ppb (7) N/A 25.0 ppb (23) N/A 2.0 ppb (3) N/A N/A N/A N/A 31.0
 
Sept. 17, 2019, midnight 31.7 ppb (29) 8.3 ppb (8) N/A 23.0 ppb (21) N/A 2.0 ppb (3) N/A N/A N/A N/A 29.0
 
Sept. 16, 2019, 11 p.m. 20.7 ppb (19) 5.0 ppb (5) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A N/A 19.0
 
Sept. 16, 2019, 10 p.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 16, 2019, 9 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) N/A N/A N/A N/A 4.0
 
Sept. 16, 2019, 8 p.m. 8.8 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
Sept. 16, 2019, 7 p.m. 12.3 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 16, 2019, 6 p.m. 9.5 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 16, 2019, 5 p.m. 9.2 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 16, 2019, 4 p.m. 15.9 ppb (15) 4.6 ppb (4) N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 15.0
 
Sept. 16, 2019, 3 p.m. 13.7 ppb (13) 3.6 ppb (3) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 16, 2019, 2 p.m. 35.8 ppb (33) 17.1 ppb (16) N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A N/A 33.0
 
Sept. 16, 2019, 1 p.m. 46.8 ppb (43) 26.5 ppb (25) N/A 20.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A N/A 43.0
 
Sept. 16, 2019, noon 58.6 ppb (55) 35.4 ppb (33) N/A 23.0 ppb (21) N/A 2.0 ppb (3) N/A N/A N/A N/A 55.0
 
Sept. 16, 2019, 11 a.m. 33.4 ppb (31) 12.9 ppb (12) N/A 20.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A N/A 31.0
 
Sept. 16, 2019, 10 a.m. 15.6 ppb (14) 4.6 ppb (4) N/A 11.0 ppb (10) N/A 3.0 ppb (4) N/A N/A N/A N/A 14.0
 
Sept. 16, 2019, 9 a.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 3.0 ppb (4) N/A N/A N/A N/A 4.0
 
Sept. 16, 2019, 8 a.m. 5.3 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
Sept. 16, 2019, 7 a.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 16, 2019, 6 a.m. 9.0 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
Sept. 16, 2019, 5 a.m. 20.3 ppb (19) 5.4 ppb (5) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 19.0
 
Sept. 16, 2019, 4 a.m. 17.2 ppb (16) 4.0 ppb (4) N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A N/A 16.0
 
Sept. 16, 2019, 3 a.m. 17.0 ppb (16) 3.2 ppb (3) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 16.0
 
Sept. 16, 2019, 2 a.m. 14.8 ppb (14) 2.5 ppb (2) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 14.0
 
Sept. 16, 2019, 1 a.m. 13.7 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 16, 2019, midnight 13.2 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 12.0
 
Sept. 15, 2019, 11 p.m. 11.4 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 7.0 ppb (10) N/A N/A N/A N/A 11.0
 
Sept. 15, 2019, 10 p.m. 9.6 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A 9.0 ppb (13) N/A N/A N/A N/A 13.0
 
Sept. 15, 2019, 9 p.m. 11.4 ppb (11) 3.1 ppb (3) N/A 8.0 ppb (7) N/A 8.0 ppb (11) N/A N/A N/A N/A 11.0
 
Sept. 15, 2019, 8 p.m. 8.7 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A 6.0 ppb (9) N/A N/A N/A N/A 9.0
 
Sept. 15, 2019, 7 p.m. 8.3 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A 5.0 ppb (7) N/A N/A N/A N/A 8.0
 
Sept. 15, 2019, 6 p.m. 12.7 ppb (12) 3.7 ppb (3) N/A 9.0 ppb (8) N/A 6.0 ppb (9) N/A N/A N/A N/A 12.0
 
Sept. 15, 2019, 5 p.m. 10.3 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (6) N/A 4.0 ppb (6) N/A N/A N/A N/A 10.0
 
Sept. 15, 2019, 4 p.m. 8.9 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 8.0
 
Sept. 15, 2019, 3 p.m. 9.4 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 9.0
 
Sept. 15, 2019, 2 p.m. 9.9 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 15, 2019, 1 p.m. 9.6 ppb (9) 3.3 ppb (3) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 15, 2019, noon 13.3 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 12.0
 
Sept. 15, 2019, 11 a.m. 9.3 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 15, 2019, 10 a.m. 14.0 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 15, 2019, 9 a.m. 7.3 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 7.0
 
Sept. 15, 2019, 8 a.m. 9.2 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 15, 2019, 7 a.m. 10.1 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 15, 2019, 6 a.m. 11.2 ppb (10) 2.5 ppb (2) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 10.0
 
Sept. 15, 2019, 5 a.m. 16.9 ppb (16) 4.2 ppb (4) N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A N/A 16.0
 
Sept. 15, 2019, 4 a.m. 19.4 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 18.0
 
Sept. 15, 2019, 3 a.m. 16.8 ppb (16) 4.4 ppb (4) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 16.0
 
Sept. 15, 2019, 2 a.m. 12.2 ppb (11) 3.5 ppb (3) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 15, 2019, 1 a.m. 17.5 ppb (16) 6.2 ppb (6) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
Sept. 15, 2019, midnight 19.8 ppb (18) 6.1 ppb (6) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 18.0
 
Sept. 14, 2019, 11 p.m. 18.7 ppb (17) 7.0 ppb (6) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 17.0
 
Sept. 14, 2019, 10 p.m. 16.8 ppb (16) 7.2 ppb (7) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
Sept. 14, 2019, 9 p.m. 14.5 ppb (13) 6.2 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
Sept. 14, 2019, 8 p.m. 13.2 ppb (12) 5.4 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
Sept. 14, 2019, 7 p.m. 14.2 ppb (13) 5.9 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
Sept. 14, 2019, 6 p.m. 16.7 ppb (15) 6.9 ppb (6) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 15.0
 
Sept. 14, 2019, 5 p.m. 10.1 ppb (9) 11.9 ppb (11) N/A 3.0 ppb (3) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 14, 2019, 4 p.m. -1.8 ppb (0) -0.8 ppb (0) N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 14, 2019, 3 p.m. -1.9 ppb (0) -0.7 ppb (0) N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 14, 2019, 2 p.m. -1.7 ppb (0) -0.6 ppb (0) N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 14, 2019, 1 p.m. 5.6 ppb (5) -0.6 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
Sept. 14, 2019, noon 13.1 ppb (12) 7.6 ppb (7) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
Sept. 14, 2019, 11 a.m. 29.3 ppb (27) 16.4 ppb (15) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Sept. 14, 2019, 10 a.m. 30.7 ppb (28) 15.5 ppb (14) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0
 
Sept. 14, 2019, 9 a.m. 19.6 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
Sept. 14, 2019, 8 a.m. 14.5 ppb (13) 3.5 ppb (3) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
Sept. 14, 2019, 7 a.m. 4.6 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
Sept. 14, 2019, 6 a.m. 3.6 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
Sept. 14, 2019, 5 a.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
Sept. 14, 2019, 4 a.m. 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
Sept. 14, 2019, 3 a.m. 4.6 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
Sept. 14, 2019, 2 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
Sept. 14, 2019, 1 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
Sept. 14, 2019, midnight 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
Sept. 13, 2019, 11 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
Sept. 13, 2019, 10 p.m. 18.1 ppb (17) 7.9 ppb (7) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
Sept. 13, 2019, 9 p.m. 18.0 ppb (17) 9.0 ppb (8) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
Sept. 13, 2019, 8 p.m. 21.8 ppb (20) 10.7 ppb (10) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 20.0
 
Sept. 13, 2019, 7 p.m. 26.7 ppb (25) 13.3 ppb (12) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0
 
Sept. 13, 2019, 6 p.m. 22.1 ppb (20) 11.1 ppb (10) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 20.0
 
Sept. 13, 2019, 5 p.m. 22.6 ppb (21) 11.0 ppb (10) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
Sept. 13, 2019, 4 p.m. 22.4 ppb (21) 12.5 ppb (12) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
Sept. 13, 2019, 3 p.m. 22.4 ppb (21) 12.3 ppb (11) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
Sept. 13, 2019, 2 p.m. 30.8 ppb (29) 17.2 ppb (16) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
Sept. 13, 2019, 1 p.m. 30.1 ppb (28) 17.1 ppb (16) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0
 
Sept. 13, 2019, noon 31.0 ppb (29) 16.1 ppb (15) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
Sept. 13, 2019, 11 a.m. 29.9 ppb (28) 15.9 ppb (15) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0
 
Sept. 13, 2019, 10 a.m. 13.5 ppb (12) 6.1 ppb (6) N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 12.0
 
Sept. 13, 2019, 9 a.m. 6.7 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 13, 2019, 8 a.m. 3.3 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 13, 2019, 7 a.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) N/A N/A N/A N/A 4.0
 
Sept. 13, 2019, 6 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 13, 2019, 5 a.m. 6.8 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 13, 2019, 4 a.m. 6.7 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 13, 2019, 3 a.m. 11.7 ppb (11) 4.6 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Sept. 13, 2019, 2 a.m. 12.4 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Sept. 13, 2019, 1 a.m. 13.2 ppb (12) 4.9 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
Sept. 13, 2019, midnight 15.6 ppb (14) 6.2 ppb (6) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0
 
Sept. 12, 2019, 11 p.m. 12.3 ppb (11) 5.4 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Sept. 12, 2019, 10 p.m. 12.4 ppb (11) 6.3 ppb (6) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Sept. 12, 2019, 9 p.m. 12.9 ppb (12) 6.3 ppb (6) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
Sept. 12, 2019, 8 p.m. 16.0 ppb (15) 7.3 ppb (7) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
Sept. 12, 2019, 7 p.m. 17.1 ppb (16) 7.9 ppb (7) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 16.0
 
Sept. 12, 2019, 6 p.m. 17.1 ppb (16) 8.0 ppb (7) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 16.0
 
Sept. 12, 2019, 5 p.m. 21.4 ppb (20) 8.5 ppb (8) N/A 13.0 ppb (12) N/A 5.0 ppb (7) N/A N/A N/A N/A 20.0
 
Sept. 12, 2019, 4 p.m. 14.7 ppb (14) 5.4 ppb (5) N/A 9.0 ppb (8) N/A 5.0 ppb (7) N/A N/A N/A N/A 14.0
 
Sept. 12, 2019, 3 p.m. 18.5 ppb (17) 7.0 ppb (6) N/A 11.0 ppb (10) N/A 5.0 ppb (7) N/A N/A N/A N/A 17.0
 
Sept. 12, 2019, 2 p.m. 26.2 ppb (24) 11.7 ppb (11) N/A 14.0 ppb (13) N/A 4.0 ppb (6) N/A N/A N/A N/A 24.0
 
Sept. 12, 2019, 1 p.m. 34.5 ppb (32) 16.1 ppb (15) N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A N/A 32.0
 
Sept. 12, 2019, noon 25.9 ppb (24) 10.1 ppb (9) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A N/A 24.0
 
Sept. 12, 2019, 11 a.m. 22.3 ppb (21) 8.5 ppb (8) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 21.0
 
Sept. 12, 2019, 10 a.m. 18.3 ppb (17) 5.5 ppb (5) N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A N/A 17.0
 
Sept. 12, 2019, 9 a.m. 10.8 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 10.0
 
Sept. 12, 2019, 8 a.m. 7.6 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 7.0
 
Sept. 12, 2019, 7 a.m. 6.6 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 12, 2019, 6 a.m. 5.4 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
Sept. 12, 2019, 5 a.m. 5.5 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
Sept. 12, 2019, 4 a.m. 6.7 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 12, 2019, 3 a.m. 9.0 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
Sept. 12, 2019, 2 a.m. 14.2 ppb (13) 3.9 ppb (4) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 12, 2019, 1 a.m. 24.7 ppb (23) 6.7 ppb (6) N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A N/A 23.0
 
Sept. 12, 2019, midnight 20.1 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 19.0
 
Sept. 11, 2019, 11 p.m. 18.2 ppb (17) 6.2 ppb (6) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 17.0
 
Sept. 11, 2019, 10 p.m. 13.2 ppb (12) 4.3 ppb (4) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 12.0
 
Sept. 11, 2019, 9 p.m. 13.3 ppb (12) 4.6 ppb (4) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 12.0
 
Sept. 11, 2019, 8 p.m. 18.0 ppb (17) 7.0 ppb (6) N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 17.0
 
Sept. 11, 2019, 7 p.m. 24.2 ppb (22) 9.8 ppb (9) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 22.0
 
Sept. 11, 2019, 6 p.m. 19.4 ppb (18) 7.9 ppb (7) N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 18.0
 
Sept. 11, 2019, 5 p.m. 14.5 ppb (13) 5.6 ppb (5) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 11, 2019, 4 p.m. 17.5 ppb (16) 7.7 ppb (7) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 16.0
 
Sept. 11, 2019, 3 p.m. 18.6 ppb (17) 6.8 ppb (6) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 17.0
 
Sept. 11, 2019, 2 p.m. 26.3 ppb (24) 10.6 ppb (10) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A N/A 24.0
 
Sept. 11, 2019, 1 p.m. 24.5 ppb (23) 10.5 ppb (10) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 23.0
 
Sept. 11, 2019, noon 26.0 ppb (24) 9.8 ppb (9) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A N/A 24.0
 
Sept. 11, 2019, 11 a.m. 22.7 ppb (21) 7.1 ppb (7) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 21.0
 
Sept. 11, 2019, 10 a.m. 13.9 ppb (13) 4.6 ppb (4) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 11, 2019, 9 a.m. 9.2 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
Sept. 11, 2019, 8 a.m. 7.0 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
Sept. 11, 2019, 7 a.m. 4.9 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
Sept. 11, 2019, 6 a.m. 4.8 ppb (4) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
Sept. 11, 2019, 5 a.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
Sept. 11, 2019, 4 a.m. 8.9 ppb (8) 3.2 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
Sept. 11, 2019, 3 a.m. 9.3 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
Sept. 11, 2019, 2 a.m. 10.6 ppb (10) 3.6 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
Sept. 11, 2019, 1 a.m. 12.6 ppb (12) 4.8 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
Sept. 11, 2019, midnight 14.0 ppb (13) 4.6 ppb (4) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 10, 2019, 11 p.m. 20.6 ppb (19) 6.2 ppb (6) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 19.0
 
Sept. 10, 2019, 10 p.m. 17.2 ppb (16) 4.2 ppb (4) N/A 13.0 ppb (12) N/A 6.0 ppb (9) N/A N/A N/A N/A 16.0
 
Sept. 10, 2019, 9 p.m. 18.1 ppb (17) 5.8 ppb (5) N/A 12.0 ppb (11) N/A 6.0 ppb (9) N/A N/A N/A N/A 17.0
 
Sept. 10, 2019, 8 p.m. 18.2 ppb (17) 6.5 ppb (6) N/A 12.0 ppb (11) N/A 4.0 ppb (6) N/A N/A N/A N/A 17.0
 
Sept. 10, 2019, 7 p.m. 20.6 ppb (19) 8.4 ppb (8) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 19.0
 
Sept. 10, 2019, 6 p.m. 20.7 ppb (19) 8.6 ppb (8) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 19.0
 
Sept. 10, 2019, 5 p.m. 15.9 ppb (15) 6.0 ppb (6) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 15.0
 
Sept. 10, 2019, 4 p.m. 24.3 ppb (23) 9.1 ppb (8) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 23.0
 
Sept. 10, 2019, 3 p.m. 29.3 ppb (27) 10.9 ppb (10) N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A N/A 27.0
 
Sept. 10, 2019, 2 p.m. 30.0 ppb (28) 12.8 ppb (12) N/A 17.0 ppb (16) N/A 2.0 ppb (3) N/A N/A N/A N/A 28.0
 
Sept. 10, 2019, 1 p.m. 27.4 ppb (25) 12.0 ppb (11) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 25.0
 
Sept. 10, 2019, noon 30.7 ppb (28) 11.1 ppb (10) N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A N/A 28.0
 
Sept. 10, 2019, 11 a.m. 30.3 ppb (28) 10.3 ppb (10) N/A 20.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A N/A 28.0
 
Sept. 10, 2019, 10 a.m. 21.6 ppb (20) 6.7 ppb (6) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 20.0