AQSQID: 291890016

Site Name: Rider Trail I-70

Location: Bridgeton, MO

Reporting: True, Located: True

Current AQI: 2.0

Bridgeton MO, US: 38.75264, -90.44884

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2019, midnight 2.2 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
 
Jan. 20, 2019, 11 p.m. 1.1 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 10 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
Jan. 20, 2019, 9 p.m. 1.7 ppb (2) -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
 
Jan. 20, 2019, 8 p.m. 1.8 ppb (2) -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
 
Jan. 20, 2019, 7 p.m. 1.6 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 20, 2019, 6 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 5 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
Jan. 20, 2019, 4 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
Jan. 20, 2019, 3 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 20, 2019, 2 p.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 3.0
 
Jan. 20, 2019, 1 p.m. 2.3 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A N/A 3.0
 
Jan. 20, 2019, noon 2.0 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 20, 2019, 11 a.m. 1.4 ppb (1) -0.6 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 20, 2019, 10 a.m. 1.0 ppb (1) -0.6 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 20, 2019, 9 a.m. 0.7 ppb (1) -0.6 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 8 a.m. 0.7 ppb (1) -0.6 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 7 a.m. 0.4 ppb (0) -0.6 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 6 a.m. 0.3 ppb (0) -0.7 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 5 a.m. 0.2 ppb (0) -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 4 a.m. 0.1 ppb (0) -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 3 a.m. 0.2 ppb (0) -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 2 a.m. 0.4 ppb (0) -0.6 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, 1 a.m. 0.6 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 20, 2019, midnight 0.6 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
Jan. 19, 2019, 11 p.m. 1.2 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 19, 2019, 10 p.m. 1.3 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 19, 2019, 9 p.m. 1.7 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
Jan. 19, 2019, 8 p.m. 2.2 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A N/A 3.0
 
Jan. 19, 2019, 7 p.m. 3.3 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, 6 p.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, 5 p.m. 4.7 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A N/A 5.0
 
Jan. 19, 2019, 4 p.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, 3 p.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, 2 p.m. 3.5 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, 1 p.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, noon 4.5 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A N/A 5.0
 
Jan. 19, 2019, 11 a.m. 3.3 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, 10 a.m. 3.0 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A N/A 3.0
 
Jan. 19, 2019, 9 a.m. 4.0 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 19, 2019, 8 a.m. 4.9 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A N/A 5.0
 
Jan. 19, 2019, 7 a.m. 7.5 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A N/A 7.0
 
Jan. 19, 2019, 6 a.m. 9.9 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 9.0
 
Jan. 19, 2019, 5 a.m. 10.7 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
Jan. 19, 2019, 4 a.m. 9.4 ppb (9) -0.2 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 9.0
 
Jan. 19, 2019, 3 a.m. 10.8 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 10.0
 
Jan. 19, 2019, 2 a.m. 10.2 ppb (9) 2.4 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A N/A 9.0
 
Jan. 19, 2019, 1 a.m. 14.6 ppb (14) 4.8 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 14.0
 
Jan. 19, 2019, midnight 16.6 ppb (15) 5.2 ppb (5) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
Jan. 18, 2019, 11 p.m. 17.0 ppb (16) 5.3 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
Jan. 18, 2019, 10 p.m. 29.2 ppb (27) 13.3 ppb (12) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Jan. 18, 2019, 9 p.m. 21.8 ppb (20) 7.5 ppb (7) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 20.0
 
Jan. 18, 2019, 8 p.m. 34.6 ppb (32) 18.2 ppb (17) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 32.0
 
Jan. 18, 2019, 7 p.m. 32.0 ppb (30) 17.3 ppb (16) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 30.0
 
Jan. 18, 2019, 6 p.m. 39.4 ppb (36) 22.7 ppb (21) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A N/A 36.0
 
Jan. 18, 2019, 5 p.m. 48.0 ppb (44) 29.2 ppb (27) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A N/A 44.0
 
Jan. 18, 2019, 4 p.m. 57.9 ppb (54) 35.6 ppb (33) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A N/A 54.0
 
Jan. 18, 2019, 3 p.m. 54.6 ppb (51) 30.7 ppb (28) N/A 24.0 ppb (22) N/A 1.0 ppb (1) N/A N/A N/A N/A 51.0
 
Jan. 18, 2019, 2 p.m. 32.4 ppb (30) 11.2 ppb (10) N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A N/A 30.0
 
Jan. 18, 2019, 1 p.m. 46.1 ppb (43) 24.0 ppb (22) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A N/A 43.0
 
Jan. 18, 2019, noon 32.6 ppb (30) 14.3 ppb (13) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A N/A 30.0
 
Jan. 18, 2019, 11 a.m. 30.6 ppb (28) 15.0 ppb (14) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A N/A 28.0
 
Jan. 18, 2019, 10 a.m. 14.4 ppb (13) 4.5 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 13.0
 
Jan. 18, 2019, 9 a.m. 10.3 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A N/A 10.0
 
Jan. 18, 2019, 8 a.m. 2.2 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A N/A 3.0
 
Jan. 18, 2019, 7 a.m. 4.4 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A N/A 5.0
 
Jan. 18, 2019, 6 a.m. 6.1 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 18, 2019, 5 a.m. 5.5 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 18, 2019, 4 a.m. 5.8 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 18, 2019, 3 a.m. 5.6 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 18, 2019, 2 a.m. 7.3 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 7.0
 
Jan. 18, 2019, 1 a.m. 12.3 ppb (11) 2.7 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 11.0
 
Jan. 18, 2019, midnight 11.9 ppb (11) 2.5 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A N/A 11.0
 
Jan. 17, 2019, 11 p.m. 9.1 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A N/A 8.0
 
Jan. 17, 2019, 10 p.m. 10.6 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A N/A 10.0
 
Jan. 17, 2019, 9 p.m. 19.2 ppb (18) 8.6 ppb (8) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A N/A 18.0
 
Jan. 17, 2019, 8 p.m. 27.9 ppb (26) 16.2 ppb (15) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 26.0
 
Jan. 17, 2019, 7 p.m. 13.4 ppb (12) 5.8 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
Jan. 17, 2019, 6 p.m. 28.9 ppb (27) 19.0 ppb (18) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Jan. 17, 2019, 5 p.m. 30.9 ppb (29) 19.4 ppb (18) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
Jan. 17, 2019, 4 p.m. 43.3 ppb (40) 27.5 ppb (25) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 40.0
 
Jan. 17, 2019, 3 p.m. 40.3 ppb (37) 23.9 ppb (22) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 37.0
 
Jan. 17, 2019, 2 p.m. 44.0 ppb (41) 24.6 ppb (23) N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A N/A N/A 41.0
 
Jan. 17, 2019, 1 p.m. 31.5 ppb (29) 12.8 ppb (12) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A N/A 29.0
 
Jan. 17, 2019, noon 33.6 ppb (31) 13.5 ppb (12) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A N/A 31.0
 
Jan. 17, 2019, 11 a.m. 38.1 ppb (35) 16.9 ppb (16) N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A N/A 35.0
 
Jan. 17, 2019, 10 a.m. 23.7 ppb (22) 3.8 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A N/A 22.0
 
Jan. 17, 2019, 9 a.m. 25.8 ppb (24) 4.0 ppb (4) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A N/A N/A N/A 24.0
 
Jan. 17, 2019, 8 a.m. 28.7 ppb (27) 5.5 ppb (5) N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A N/A N/A N/A 27.0
 
Jan. 17, 2019, 7 a.m. 34.5 ppb (32) 11.2 ppb (10) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A N/A 32.0
 
Jan. 17, 2019, 6 a.m. 26.8 ppb (25) 4.4 ppb (4) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A N/A N/A N/A 25.0
 
Jan. 17, 2019, 5 a.m. 39.6 ppb (37) 16.0 ppb (15) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A N/A 37.0
 
Jan. 17, 2019, 4 a.m. 27.9 ppb (26) 6.9 ppb (6) N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A N/A 26.0
 
Jan. 17, 2019, 3 a.m. 25.6 ppb (24) 3.3 ppb (3) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
Jan. 17, 2019, 2 a.m. 31.3 ppb (29) 5.8 ppb (5) N/A 25.0 ppb (23) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
Jan. 17, 2019, 1 a.m. 26.4 ppb (24) 2.3 ppb (2) N/A 24.0 ppb (22) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
Jan. 17, 2019, midnight 24.5 ppb (23) 1.0 ppb (1) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A N/A 23.0
 
Jan. 16, 2019, 11 p.m. 25.5 ppb (24) 2.5 ppb (2) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
Jan. 16, 2019, 10 p.m. 10.0 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
Jan. 16, 2019, 9 p.m. 12.1 ppb (11) 1.6 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Jan. 16, 2019, 8 p.m. 11.4 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Jan. 16, 2019, 7 p.m. 9.6 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
Jan. 16, 2019, 6 p.m. 5.8 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
Jan. 16, 2019, 5 p.m. 8.8 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 8.0
 
Jan. 16, 2019, 4 p.m. 6.9 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 16, 2019, 3 p.m. 10.2 ppb (9) 2.4 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A N/A 9.0
 
Jan. 16, 2019, 2 p.m. 14.1 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A N/A 13.0
 
Jan. 16, 2019, 1 p.m. 15.0 ppb (14) 2.6 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A N/A 14.0
 
Jan. 16, 2019, noon 13.9 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A N/A 13.0
 
Jan. 16, 2019, 11 a.m. 33.6 ppb (31) 18.6 ppb (17) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 31.0
 
Jan. 16, 2019, 10 a.m. 29.1 ppb (27) 17.5 ppb (16) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Jan. 16, 2019, 9 a.m. 13.2 ppb (12) 6.4 ppb (6) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 12.0
 
Jan. 16, 2019, 8 a.m. 14.2 ppb (13) 5.6 ppb (5) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
Jan. 16, 2019, 7 a.m. 12.1 ppb (11) 4.4 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Jan. 16, 2019, 6 a.m. 11.8 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
 
Jan. 16, 2019, 5 a.m. 10.7 ppb (10) 4.2 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
Jan. 16, 2019, 4 a.m. 12.0 ppb (11) 4.9 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
Jan. 16, 2019, 3 a.m. 13.9 ppb (13) 6.3 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
Jan. 16, 2019, 2 a.m. 13.1 ppb (12) 6.6 ppb (6) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 12.0
 
Jan. 16, 2019, 1 a.m. 15.8 ppb (15) 8.1 ppb (8) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
Jan. 16, 2019, midnight 23.5 ppb (22) 13.0 ppb (12) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 22.0
 
Jan. 15, 2019, 11 p.m. 29.5 ppb (27) 16.7 ppb (15) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Jan. 15, 2019, 10 p.m. 28.9 ppb (27) 16.8 ppb (16) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Jan. 15, 2019, 9 p.m. 33.5 ppb (31) 20.5 ppb (19) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 31.0
 
Jan. 15, 2019, 8 p.m. 30.5 ppb (28) 18.5 ppb (17) N/A 12.0 ppb (11) N/A 3.0 ppb (4) N/A N/A N/A N/A 28.0
 
Jan. 15, 2019, 7 p.m. 31.4 ppb (29) 19.5 ppb (18) N/A 12.0 ppb (11) N/A 3.0 ppb (4) N/A N/A N/A N/A 29.0
 
Jan. 15, 2019, 6 p.m. 37.9 ppb (35) 24.3 ppb (23) N/A 13.0 ppb (12) N/A 6.0 ppb (9) N/A N/A N/A N/A 35.0
 
Jan. 15, 2019, 5 p.m. 35.3 ppb (33) 22.2 ppb (21) N/A 13.0 ppb (12) N/A 3.0 ppb (4) N/A N/A N/A N/A 33.0
 
Jan. 15, 2019, 4 p.m. 40.7 ppb (38) 27.1 ppb (25) N/A 13.0 ppb (12) N/A 3.0 ppb (4) N/A N/A N/A N/A 38.0
 
Jan. 15, 2019, 3 p.m. 43.0 ppb (40) 26.7 ppb (25) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 40.0
 
Jan. 15, 2019, 2 p.m. 41.9 ppb (39) 24.9 ppb (23) N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A N/A 39.0
 
Jan. 15, 2019, 1 p.m. 34.1 ppb (32) 17.3 ppb (16) N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A N/A 32.0
 
Jan. 15, 2019, noon 28.7 ppb (27) 13.3 ppb (12) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Jan. 15, 2019, 11 a.m. 23.9 ppb (22) 13.7 ppb (13) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 22.0
 
Jan. 15, 2019, 10 a.m. 11.9 ppb (11) 5.6 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 11.0
 
Jan. 15, 2019, 9 a.m. 9.9 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 9.0
 
Jan. 15, 2019, 8 a.m. 6.8 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 15, 2019, 7 a.m. 6.4 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 15, 2019, 6 a.m. 6.6 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A N/A 6.0
 
Jan. 15, 2019, 5 a.m. 10.6 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 10.0
 
Jan. 15, 2019, 4 a.m. 16.7 ppb (15) 7.8 ppb (7) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A N/A 15.0
 
Jan. 15, 2019, 3 a.m. 16.8 ppb (16) 7.8 ppb (7) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A N/A 16.0
 
Jan. 15, 2019, 2 a.m. 20.1 ppb (19) 10.4 ppb (10) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 19.0
 
Jan. 15, 2019, 1 a.m. 24.1 ppb (22) 12.7 ppb (12) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A N/A 22.0
 
Jan. 15, 2019, midnight 29.6 ppb (27) 15.4 ppb (14) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
Jan. 14, 2019, 11 p.m. 37.9 ppb (35) 20.7 ppb (19) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 35.0
 
Jan. 14, 2019, 10 p.m. 37.6 ppb (35) 19.6 ppb (18) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A N/A 35.0
 
Jan. 14, 2019, 9 p.m. 41.7 ppb (39) 22.9 ppb (21) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A N/A 39.0
 
Jan. 14, 2019, 8 p.m. 34.2 ppb (32) 17.7 ppb (16) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 32.0
 
Jan. 14, 2019, 7 p.m. 35.2 ppb (33) 18.4 ppb (17) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 33.0
 
Jan. 14, 2019, 6 p.m. 28.4 ppb (26) 14.1 ppb (13) N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A N/A 26.0
 
Jan. 14, 2019, 5 p.m. 13.6 ppb (13) 5.4 ppb (5) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A N/A 13.0
 
Jan. 14, 2019, 4 p.m. 11.5 ppb (11) 3.2 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A N/A 11.0
 
Jan. 14, 2019, 3 p.m. 8.5 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A N/A 8.0
 
Jan. 14, 2019, 2 p.m. 13.3 ppb (12) 4.2 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A N/A 12.0
 
Jan. 14, 2019, 1 p.m. 11.8 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 11.0
 
Jan. 14, 2019, noon 9.7 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A N/A 9.0
 
Jan. 14, 2019, 11 a.m. 5.0 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A N/A 5.0
 
Jan. 14, 2019, 10 a.m. 4.1 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 14, 2019, 9 a.m. 3.3 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 14, 2019, 8 a.m. 3.8 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A 4.0
 
Jan. 14, 2019, 7 a.m. 4.7 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A N/A 5.0
 
Jan. 14, 2019, 6 a.m. 6.4 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
Jan. 14, 2019, 5 a.m. 7.2 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
Jan. 14, 2019, 4 a.m. 6.6 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
Jan. 14, 2019, 3 a.m. 7.4 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
Jan. 14, 2019, 2 a.m. 7.2 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
Jan. 14, 2019, 1 a.m. 5.4 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0