AQSQID: 291890016

Site Name: Rider Trail I-70

Location: Bridgeton (Natural Bridge Jct), MO

Reporting: True, Located: True

Current AQI: 12.0

Bridgeton (Natural Bridge Jct) MO, US: 38.75264, -90.44884

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 8, 2020, 11 p.m. 12.6 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
April 8, 2020, 10 p.m. 14.6 ppb (14) 5.8 ppb (5) N/A 9.0 ppb (8) N/A 5.0 ppb (7) N/A N/A N/A N/A 14.0
 
April 8, 2020, 9 p.m. 17.1 ppb (16) 6.4 ppb (6) N/A 11.0 ppb (10) N/A 5.0 ppb (7) N/A N/A N/A N/A 16.0
 
April 8, 2020, 8 p.m. 19.2 ppb (18) 6.5 ppb (6) N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A N/A 18.0
 
April 8, 2020, 7 p.m. 22.2 ppb (21) 7.8 ppb (7) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 21.0
 
April 8, 2020, 6 p.m. 22.3 ppb (21) 7.6 ppb (7) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 8, 2020, 5 p.m. 20.6 ppb (19) 6.9 ppb (6) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
April 8, 2020, 4 p.m. 23.6 ppb (22) 8.5 ppb (8) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 22.0
 
April 8, 2020, 3 p.m. 20.6 ppb (19) 7.9 ppb (7) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
April 8, 2020, 2 p.m. 13.5 ppb (12) 5.7 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
April 8, 2020, 1 p.m. 71.9 ppb (69) 47.1 ppb (44) N/A 25.0 ppb (23) N/A 1.0 ppb (1) N/A N/A N/A N/A 69.0
 
April 8, 2020, noon 51.0 ppb (47) 27.9 ppb (26) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A N/A 47.0
 
April 8, 2020, 11 a.m. 37.0 ppb (34) 18.3 ppb (17) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A N/A 34.0
 
April 8, 2020, 10 a.m. 9.6 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 8, 2020, 9 a.m. 9.3 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 8, 2020, 8 a.m. 5.2 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
 
April 8, 2020, 7 a.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 3.0 ppb (4) N/A N/A N/A N/A 5.0
 
April 8, 2020, 6 a.m. 9.1 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
April 8, 2020, 5 a.m. 8.2 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
April 8, 2020, 4 a.m. 8.0 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 7.0
 
April 8, 2020, 3 a.m. 9.1 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
April 8, 2020, 2 a.m. 9.5 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 8, 2020, 1 a.m. 9.2 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 8, 2020, midnight 13.2 ppb (12) 4.4 ppb (4) N/A 9.0 ppb (8) N/A 8.0 ppb (11) N/A N/A N/A N/A 12.0
 
April 7, 2020, 11 p.m. 12.6 ppb (12) 5.8 ppb (5) N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 12.0
 
April 7, 2020, 10 p.m. 13.3 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
 
April 7, 2020, 9 p.m. 15.5 ppb (14) 6.7 ppb (6) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0
 
April 7, 2020, 8 p.m. 16.8 ppb (16) 7.9 ppb (7) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 7, 2020, 7 p.m. 16.8 ppb (16) 8.2 ppb (8) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 7, 2020, 6 p.m. 18.8 ppb (17) 9.4 ppb (9) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
April 7, 2020, 5 p.m. 17.1 ppb (16) 8.4 ppb (8) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 7, 2020, 4 p.m. 19.3 ppb (18) 10.1 ppb (9) N/A 9.0 ppb (8) N/A 7.0 ppb (10) N/A N/A N/A N/A 18.0
 
April 7, 2020, 3 p.m. 20.8 ppb (19) 10.3 ppb (10) N/A 10.0 ppb (9) N/A 4.0 ppb (6) N/A N/A N/A N/A 19.0
 
April 7, 2020, 2 p.m. 30.9 ppb (29) 14.8 ppb (14) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
April 7, 2020, 1 p.m. 29.0 ppb (27) 10.6 ppb (10) N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A N/A 27.0
 
April 7, 2020, noon 29.1 ppb (27) 10.5 ppb (10) N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A N/A 27.0
 
April 7, 2020, 11 a.m. 22.8 ppb (21) 6.6 ppb (6) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 7, 2020, 10 a.m. 12.6 ppb (12) 5.4 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
April 7, 2020, 9 a.m. 4.1 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
April 7, 2020, 8 a.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
April 7, 2020, 7 a.m. 3.6 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
April 7, 2020, 6 a.m. 4.8 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
April 7, 2020, 5 a.m. 5.3 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
April 7, 2020, 4 a.m. 11.0 ppb (10) 3.4 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
April 7, 2020, 3 a.m. 14.5 ppb (13) 5.5 ppb (5) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
April 7, 2020, 2 a.m. 15.6 ppb (14) 5.5 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0
 
April 7, 2020, 1 a.m. 19.5 ppb (18) 5.2 ppb (5) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
April 7, 2020, midnight 24.7 ppb (23) 8.5 ppb (8) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 23.0
 
April 6, 2020, 11 p.m. 13.4 ppb (12) 6.8 ppb (6) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
April 6, 2020, 10 p.m. 14.2 ppb (13) 6.6 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
April 6, 2020, 9 p.m. 23.0 ppb (21) 11.0 ppb (10) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 6, 2020, 8 p.m. 25.8 ppb (24) 12.6 ppb (12) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
April 6, 2020, 7 p.m. 27.4 ppb (25) 15.0 ppb (14) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0
 
April 6, 2020, 6 p.m. 28.9 ppb (27) 16.1 ppb (15) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
April 6, 2020, 5 p.m. 33.5 ppb (31) 19.7 ppb (18) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 31.0
 
April 6, 2020, 4 p.m. 30.6 ppb (28) 17.5 ppb (16) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0
 
April 6, 2020, 3 p.m. 32.4 ppb (30) 19.6 ppb (18) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 30.0
 
April 6, 2020, 2 p.m. 47.4 ppb (44) 32.4 ppb (30) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 44.0
 
April 6, 2020, 1 p.m. 49.3 ppb (46) 32.2 ppb (30) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 46.0
 
April 6, 2020, noon 44.7 ppb (41) 28.1 ppb (26) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 41.0
 
April 6, 2020, 11 a.m. 43.8 ppb (41) 28.2 ppb (26) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 41.0
 
April 6, 2020, 10 a.m. 31.1 ppb (29) 18.4 ppb (17) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
April 6, 2020, 9 a.m. 20.5 ppb (19) 8.8 ppb (8) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
April 6, 2020, 8 a.m. 16.4 ppb (15) 5.9 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
April 6, 2020, 7 a.m. 15.8 ppb (15) 3.1 ppb (3) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
April 6, 2020, 6 a.m. 16.4 ppb (15) 3.1 ppb (3) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
April 6, 2020, 5 a.m. 18.5 ppb (17) 4.6 ppb (4) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
April 6, 2020, 4 a.m. 21.2 ppb (20) 6.9 ppb (6) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 20.0
 
April 6, 2020, 3 a.m. 22.4 ppb (21) 8.2 ppb (8) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 6, 2020, 2 a.m. 19.4 ppb (18) 6.7 ppb (6) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
April 6, 2020, 1 a.m. 15.1 ppb (14) 4.4 ppb (4) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0
 
April 6, 2020, midnight 16.2 ppb (15) 5.6 ppb (5) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
April 5, 2020, 11 p.m. 18.7 ppb (17) 7.6 ppb (7) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
April 5, 2020, 10 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
 
April 5, 2020, 9 p.m. 15.8 ppb (15) 7.6 ppb (7) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
April 5, 2020, 8 p.m. 13.0 ppb (12) 5.7 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
April 5, 2020, 7 p.m. 13.1 ppb (12) 6.4 ppb (6) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
April 5, 2020, 6 p.m. 7.3 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
April 5, 2020, 5 p.m. 6.7 ppb (6) 3.3 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
April 5, 2020, 4 p.m. 8.7 ppb (8) 5.2 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
April 5, 2020, 3 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
April 5, 2020, 2 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 5, 2020, 1 p.m. 1.8 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
 
April 5, 2020, noon 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
April 5, 2020, 11 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
April 5, 2020, 10 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
April 5, 2020, 9 a.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
 
April 5, 2020, 8 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
April 5, 2020, 7 a.m. 5.7 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
April 5, 2020, 6 a.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
April 5, 2020, 5 a.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
April 5, 2020, 4 a.m. 2.5 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
April 5, 2020, 3 a.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
 
April 5, 2020, 2 a.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
 
April 5, 2020, 1 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 5, 2020, midnight 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 11 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 9 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 8 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 7 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 6 p.m. 1.2 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
 
April 4, 2020, 5 p.m. 1.0 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
 
April 4, 2020, 4 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 3 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 2 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 1 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, noon 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
April 4, 2020, 11 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 10 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 9 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 8 a.m. 1.6 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
 
April 4, 2020, 7 a.m. 1.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 6 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 4, 2020, 5 a.m. 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
 
April 4, 2020, 4 a.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
 
April 4, 2020, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
April 4, 2020, 2 a.m. 2.7 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
 
April 4, 2020, 1 a.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
April 4, 2020, midnight 10.0 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 3, 2020, 11 p.m. 11.6 ppb (11) 5.3 ppb (5) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
April 3, 2020, 10 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
April 3, 2020, 9 p.m. 18.4 ppb (17) 6.5 ppb (6) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
April 3, 2020, 8 p.m. 23.9 ppb (22) 9.1 ppb (8) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 22.0
 
April 3, 2020, 7 p.m. 20.7 ppb (19) 8.1 ppb (8) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
April 3, 2020, 6 p.m. 20.1 ppb (19) 8.5 ppb (8) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
April 3, 2020, 5 p.m. 19.0 ppb (18) 8.1 ppb (8) N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 18.0
 
April 3, 2020, 4 p.m. 23.2 ppb (21) 9.6 ppb (9) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 3, 2020, 3 p.m. 30.7 ppb (28) 15.0 ppb (14) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0
 
April 3, 2020, 2 p.m. 31.9 ppb (30) 14.7 ppb (14) N/A 17.0 ppb (16) N/A 2.0 ppb (3) N/A N/A N/A N/A 30.0
 
April 3, 2020, 1 p.m. 32.6 ppb (30) 13.7 ppb (13) N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A N/A 30.0
 
April 3, 2020, noon 23.1 ppb (21) 9.7 ppb (9) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 3, 2020, 11 a.m. 27.3 ppb (25) 11.4 ppb (11) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0
 
April 3, 2020, 10 a.m. 17.7 ppb (16) 6.4 ppb (6) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 3, 2020, 9 a.m. 8.6 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
April 3, 2020, 8 a.m. 12.1 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
April 3, 2020, 7 a.m. 7.8 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
April 3, 2020, 6 a.m. 6.6 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
April 3, 2020, 5 a.m. 9.3 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 3, 2020, 4 a.m. 10.6 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
April 3, 2020, 3 a.m. 8.3 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
April 3, 2020, 2 a.m. 9.7 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 3, 2020, 1 a.m. 9.4 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 3, 2020, midnight 15.9 ppb (15) 4.7 ppb (4) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
April 2, 2020, 11 p.m. 16.9 ppb (16) 5.5 ppb (5) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 2, 2020, 10 p.m. 19.0 ppb (18) 7.2 ppb (7) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
April 2, 2020, 9 p.m. 16.9 ppb (16) 6.4 ppb (6) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 2, 2020, 8 p.m. 17.3 ppb (16) 7.4 ppb (7) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 2, 2020, 7 p.m. 19.4 ppb (18) 9.0 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 18.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 2, 2020, 5 p.m. 20.3 ppb (19) 9.8 ppb (9) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
April 2, 2020, 4 p.m. 23.9 ppb (22) 12.4 ppb (11) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 22.0
 
April 2, 2020, 3 p.m. 22.8 ppb (21) 12.9 ppb (12) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 2, 2020, 2 p.m. 22.6 ppb (21) 11.6 ppb (11) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
April 2, 2020, 1 p.m. 29.1 ppb (27) 13.8 ppb (13) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
April 2, 2020, noon 26.2 ppb (24) 11.7 ppb (11) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
April 2, 2020, 11 a.m. 26.3 ppb (24) 11.9 ppb (11) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
April 2, 2020, 10 a.m. 17.0 ppb (16) 6.7 ppb (6) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
April 2, 2020, 9 a.m. 9.4 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
April 2, 2020, 8 a.m. 7.8 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
April 2, 2020, 7 a.m. 10.8 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
April 2, 2020, 6 a.m. 10.5 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
April 2, 2020, 5 a.m. 15.9 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
April 2, 2020, 4 a.m. 21.0 ppb (19) 4.4 ppb (4) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
April 2, 2020, 3 a.m. 24.7 ppb (23) 6.2 ppb (6) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A N/A 23.0
 
April 2, 2020, 2 a.m. 10.7 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
April 2, 2020, 1 a.m. 12.1 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
April 2, 2020, midnight 27.2 ppb (25) 8.4 ppb (8) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0