ID: 2439

AQSQID: 291890016

Site Name: Rider Trail I-70

Added: April 21, 2020, 6:24 p.m.

Updated: July 10, 2020, 10:34 p.m.

Location: Bridgeton (Natural Bridge Jct), MO

Reporting: True, Located: True

Current AQI: 2.0

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
July 10, 2020, 9 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
July 10, 2020, 8 p.m. 1.6 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 1.0
 
July 10, 2020, 7 p.m. 2.7 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
 
July 10, 2020, 6 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
July 10, 2020, 5 p.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
July 10, 2020, 4 p.m. 3.7 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
July 10, 2020, 3 p.m. 2.7 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
 
July 10, 2020, 2 p.m. 2.5 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 2.0
 
July 10, 2020, 1 p.m. 3.7 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 3.0
 
July 10, 2020, noon 4.6 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 10, 2020, 11 a.m. 4.9 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
July 10, 2020, 10 a.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 10, 2020, 9 a.m. 2.7 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
 
July 10, 2020, 8 a.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
July 10, 2020, 7 a.m. 2.8 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
 
July 10, 2020, 6 a.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
 
July 10, 2020, 5 a.m. 6.1 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
July 10, 2020, 4 a.m. 9.2 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
July 10, 2020, 3 a.m. 8.5 ppb (8) 3.7 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
July 10, 2020, 2 a.m. 8.4 ppb (8) 3.6 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
July 10, 2020, 1 a.m. 9.3 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
July 10, 2020, midnight 9.0 ppb (8) 4.1 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
July 9, 2020, 11 p.m. 9.7 ppb (9) 5.7 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
July 9, 2020, 10 p.m. 9.8 ppb (9) 5.8 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
July 9, 2020, 9 p.m. 9.2 ppb (9) 4.9 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
July 9, 2020, 8 p.m. 15.0 ppb (14) 7.4 ppb (7) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0
 
July 9, 2020, 7 p.m. 17.7 ppb (16) 8.5 ppb (8) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
July 9, 2020, 6 p.m. 15.4 ppb (14) 7.7 ppb (7) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0
 
July 9, 2020, 5 p.m. 15.6 ppb (14) 7.0 ppb (6) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0
 
July 9, 2020, 4 p.m. 16.0 ppb (15) 7.7 ppb (7) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
July 9, 2020, 3 p.m. 19.6 ppb (18) 9.7 ppb (9) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
July 9, 2020, 2 p.m. 31.6 ppb (29) 16.1 ppb (15) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 29.0
 
July 9, 2020, 1 p.m. 30.4 ppb (28) 14.7 ppb (14) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A N/A 28.0
 
July 9, 2020, noon 31.6 ppb (29) 17.3 ppb (16) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
July 9, 2020, 11 a.m. 36.9 ppb (34) 17.5 ppb (16) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A N/A 34.0
 
July 9, 2020, 10 a.m. 26.7 ppb (25) 9.4 ppb (9) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0
 
July 9, 2020, 9 a.m. 16.1 ppb (15) 2.5 ppb (2) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
July 9, 2020, 8 a.m. 16.2 ppb (15) 4.5 ppb (4) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
July 9, 2020, 7 a.m. 11.2 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
 
July 9, 2020, 6 a.m. 14.5 ppb (13) 3.8 ppb (4) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
July 9, 2020, 5 a.m. 11.9 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
July 9, 2020, 4 a.m. 22.8 ppb (21) 4.7 ppb (4) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
July 9, 2020, 3 a.m. 27.0 ppb (25) 5.9 ppb (5) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0
 
July 9, 2020, 2 a.m. 21.0 ppb (19) 1.9 ppb (2) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
July 9, 2020, 1 a.m. 28.6 ppb (26) 4.9 ppb (5) N/A 24.0 ppb (22) N/A 1.0 ppb (1) N/A N/A N/A N/A 26.0
 
July 9, 2020, midnight 19.2 ppb (18) 4.0 ppb (4) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
July 8, 2020, 11 p.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
 
July 8, 2020, 10 p.m. 16.5 ppb (15) 4.9 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0
 
July 8, 2020, 9 p.m. 20.9 ppb (19) 7.2 ppb (7) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
July 8, 2020, 8 p.m. 18.4 ppb (17) 4.2 ppb (4) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
July 8, 2020, 7 p.m. 8.4 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
July 8, 2020, 6 p.m. 25.7 ppb (24) 7.6 ppb (7) N/A 18.0 ppb (17) N/A 4.0 ppb (6) N/A N/A N/A N/A 24.0
 
July 8, 2020, 5 p.m. 16.2 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A 5.0 ppb (7) N/A N/A N/A N/A 15.0
 
July 8, 2020, 4 p.m. 24.3 ppb (23) 5.4 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 23.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
July 8, 2020, 2 p.m. 23.2 ppb (21) 8.9 ppb (8) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0
 
July 8, 2020, 1 p.m. 28.0 ppb (26) 13.5 ppb (12) N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 26.0
 
July 8, 2020, noon 38.7 ppb (36) 20.1 ppb (19) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A N/A 36.0
 
July 8, 2020, 11 a.m. 42.9 ppb (40) 24.7 ppb (23) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A N/A 40.0
 
July 8, 2020, 10 a.m. 33.7 ppb (31) 19.1 ppb (18) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A N/A 31.0
 
July 8, 2020, 9 a.m. 13.0 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
 
July 8, 2020, 8 a.m. 18.5 ppb (17) 6.9 ppb (6) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 17.0
 
July 8, 2020, 7 a.m. 19.4 ppb (18) 6.6 ppb (6) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
July 8, 2020, 6 a.m. 31.3 ppb (29) 8.2 ppb (8) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
July 8, 2020, 5 a.m. 31.8 ppb (29) 7.2 ppb (7) N/A 24.0 ppb (22) N/A 1.0 ppb (1) N/A N/A N/A N/A 29.0
 
July 8, 2020, 4 a.m. 26.2 ppb (24) 4.3 ppb (4) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
July 8, 2020, 3 a.m. 25.9 ppb (24) 3.7 ppb (3) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
July 8, 2020, 2 a.m. 32.8 ppb (30) 4.6 ppb (4) N/A 28.0 ppb (26) N/A 1.0 ppb (1) N/A N/A N/A N/A 30.0
 
July 8, 2020, 1 a.m. 30.7 ppb (28) 4.4 ppb (4) N/A 26.0 ppb (24) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0
 
July 8, 2020, midnight 30.3 ppb (28) 5.8 ppb (5) N/A 24.0 ppb (22) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0
 
July 7, 2020, 11 p.m. 25.3 ppb (23) 4.9 ppb (5) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 23.0
 
July 7, 2020, 10 p.m. 7.6 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
July 7, 2020, 9 p.m. 8.8 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
July 7, 2020, 8 p.m. 10.2 ppb (9) 1.7 ppb (2) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
July 7, 2020, 7 p.m. 18.9 ppb (18) 4.0 ppb (4) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 18.0
 
July 7, 2020, 6 p.m. 5.7 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
July 7, 2020, 5 p.m. 6.0 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
July 7, 2020, 4 p.m. 5.2 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
July 7, 2020, 3 p.m. 12.1 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
July 7, 2020, 2 p.m. 29.2 ppb (27) 9.0 ppb (8) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 27.0
 
July 7, 2020, 1 p.m. 46.5 ppb (43) 22.3 ppb (21) N/A 24.0 ppb (22) N/A 1.0 ppb (1) N/A N/A N/A N/A 43.0
 
July 7, 2020, noon 46.7 ppb (43) 26.1 ppb (24) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 43.0
 
July 7, 2020, 11 a.m. 46.4 ppb (43) 29.4 ppb (27) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 43.0
 
July 7, 2020, 10 a.m. 35.3 ppb (33) 15.5 ppb (14) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 33.0
 
July 7, 2020, 9 a.m. 27.3 ppb (25) 7.9 ppb (7) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0
 
July 7, 2020, 8 a.m. 24.7 ppb (23) 3.5 ppb (3) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 23.0
 
July 7, 2020, 7 a.m. 23.6 ppb (22) 2.9 ppb (3) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 22.0
 
July 7, 2020, 6 a.m. 20.8 ppb (19) 4.1 ppb (4) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
July 7, 2020, 5 a.m. 11.8 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
July 7, 2020, 4 a.m. 21.3 ppb (20) 1.5 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 20.0
 
July 7, 2020, 3 a.m. 13.3 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
July 7, 2020, 2 a.m. 5.4 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
July 7, 2020, 1 a.m. 6.3 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
July 7, 2020, midnight 9.9 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
July 6, 2020, 11 p.m. 8.2 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
July 6, 2020, 10 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) N/A N/A N/A N/A 4.0
 
July 6, 2020, 9 p.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 6, 2020, 8 p.m. 2.4 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
 
July 6, 2020, 7 p.m. 3.4 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
 
July 6, 2020, 6 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 6, 2020, 5 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 6, 2020, 4 p.m. 6.0 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
 
July 6, 2020, 3 p.m. 20.1 ppb (19) 4.9 ppb (5) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0
 
July 6, 2020, 2 p.m. 25.8 ppb (24) 9.1 ppb (8) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
July 6, 2020, 1 p.m. 19.0 ppb (18) 5.6 ppb (5) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0
 
July 6, 2020, noon 37.8 ppb (35) 18.7 ppb (17) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A N/A 35.0
 
July 6, 2020, 11 a.m. 52.9 ppb (49) 25.1 ppb (23) N/A 28.0 ppb (26) N/A 1.0 ppb (1) N/A N/A N/A N/A 49.0
 
July 6, 2020, 10 a.m. 28.2 ppb (26) 7.1 ppb (7) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 26.0
 
July 6, 2020, 9 a.m. 25.5 ppb (24) 4.0 ppb (4) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A N/A 24.0
 
July 6, 2020, 8 a.m. 12.4 ppb (11) 1.8 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
July 6, 2020, 7 a.m. 13.2 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
July 6, 2020, 6 a.m. 13.8 ppb (13) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
July 6, 2020, 5 a.m. 10.5 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0
 
July 6, 2020, 4 a.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
July 6, 2020, 3 a.m. 6.6 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
 
July 6, 2020, 2 a.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
July 6, 2020, 1 a.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0
 
July 6, 2020, midnight 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
July 5, 2020, 11 p.m. 5.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
July 5, 2020, 10 p.m. 12.7 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
July 5, 2020, 9 p.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 5, 2020, 8 p.m. 3.7 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
July 5, 2020, 7 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 5, 2020, 6 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
 
July 5, 2020, 5 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
July 5, 2020, 4 p.m. 1.0 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
 
July 5, 2020, 3 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 5, 2020, 2 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 5, 2020, 1 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
July 5, 2020, noon 5.4 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
 
July 5, 2020, 11 a.m. 9.1 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
July 5, 2020, 10 a.m. 6.7 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
 
July 5, 2020, 9 a.m. 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
July 5, 2020, 8 a.m. 7.5 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
July 5, 2020, 7 a.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 7.0
 
July 5, 2020, 6 a.m. 12.0 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
July 5, 2020, 5 a.m. 12.4 ppb (11) 0.7 ppb (1) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
July 5, 2020, 4 a.m. 10.6 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 10.0
 
July 5, 2020, 3 a.m. 6.7 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
 
July 5, 2020, 2 a.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 5, 2020, 1 a.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
July 5, 2020, midnight 1.5 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
 
July 4, 2020, 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
 
July 4, 2020, 10 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
 
July 4, 2020, 9 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 4, 2020, 8 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 4, 2020, 7 p.m. 4.5 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) N/A N/A N/A N/A 4.0
 
July 4, 2020, 6 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 4, 2020, 5 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 4, 2020, 4 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 4, 2020, 3 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 4, 2020, 2 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 4, 2020, 1 p.m. 4.7 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 4, 2020, noon 14.4 ppb (13) 3.6 ppb (3) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0
 
July 4, 2020, 11 a.m. 8.5 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
July 4, 2020, 10 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
 
July 4, 2020, 9 a.m. 13.0 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0
 
July 4, 2020, 8 a.m. 17.5 ppb (16) 2.6 ppb (2) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0
 
July 4, 2020, 7 a.m. 11.6 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0
 
July 4, 2020, 6 a.m. 9.0 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
July 4, 2020, 5 a.m. 8.8 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0
 
July 4, 2020, 4 a.m. 9.2 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0
 
July 4, 2020, 3 a.m. 7.0 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
 
July 4, 2020, 2 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
July 4, 2020, 1 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 4, 2020, midnight 4.1 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0
 
July 3, 2020, 11 p.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
July 3, 2020, 10 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0