AQSQID: 170310032

Site Name: Chi_Swfp

Location: Chicago, IL

Reporting: False, Located: True

Current AQI: None

Chicago IL, US: 41.755798, -87.545303

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 13, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 13, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 13, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 13, 2018, midnight N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 11 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 10 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Dec. 12, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 8 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 12, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 12, 2018, midnight N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Dec. 11, 2018, 11 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 10 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 11, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 8 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 11, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 11, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 11, 2018, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 11, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Dec. 11, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 11, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 11, 2018, midnight N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 11 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 10 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 8 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Dec. 10, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 10, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 10, 2018, midnight N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 11 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 10 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 8 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 9, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 9, 2018, midnight N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 11 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 10 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 8 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 8, 2018, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 8, 2018, midnight N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 7, 2018, 11 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 7, 2018, 10 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 7, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 7, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 7, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 7, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A N/A 6.0
 
Dec. 7, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Dec. 7, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Dec. 7, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 7, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 7, 2018, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 7, 2018, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 7, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 7, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 7, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Dec. 7, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Dec. 7, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A N/A 5.0
 
Dec. 7, 2018, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Dec. 7, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Dec. 7, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Dec. 7, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Dec. 7, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Dec. 7, 2018, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Dec. 6, 2018, 11 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Dec. 6, 2018, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Dec. 6, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Dec. 6, 2018, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Dec. 6, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Dec. 6, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Dec. 6, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Dec. 6, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Dec. 6, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Dec. 6, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Dec. 6, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Dec. 6, 2018, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A N/A 6.0
 
Dec. 6, 2018, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Dec. 6, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0