AQSQID: 471570021

Site Name: Frayser

Location: Memphis (Frayser Blvd), TN

Reporting: False, Located: True

Current AQI: None

Memphis (Frayser Blvd) TN, US: 35.2175, -90.0194

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 28, 2018, 1 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
 
Nov. 28, 2018, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 28, 2018, 11 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
 
Nov. 28, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 28, 2018, 9 a.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
 
Nov. 28, 2018, 8 a.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
 
Nov. 28, 2018, 7 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
 
Nov. 28, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 28, 2018, 4 a.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
 
Nov. 28, 2018, 3 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
 
Nov. 28, 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
 
Nov. 28, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 28, 2018, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 27, 2018, 11 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
 
Nov. 27, 2018, 10 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
 
Nov. 27, 2018, 9 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
 
Nov. 27, 2018, 8 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
 
Nov. 27, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 27, 2018, 6 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
 
Nov. 27, 2018, 5 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
 
Nov. 27, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 27, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 27, 2018, 2 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
 
Nov. 27, 2018, 1 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
 
Nov. 27, 2018, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 27, 2018, 11 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
 
Nov. 27, 2018, 10 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
 
Nov. 27, 2018, 9 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
 
Nov. 27, 2018, 8 a.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
 
Nov. 27, 2018, 7 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
 
Nov. 27, 2018, 6 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
 
Nov. 27, 2018, 4 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
 
Nov. 27, 2018, 3 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
 
Nov. 27, 2018, 2 a.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
 
Nov. 27, 2018, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 27, 2018, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 26, 2018, 11 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
 
Nov. 26, 2018, 10 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
 
Nov. 26, 2018, 9 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
 
Nov. 26, 2018, 8 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
 
Nov. 26, 2018, 7 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
 
Nov. 26, 2018, 6 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
 
Nov. 26, 2018, 5 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
 
Nov. 26, 2018, 4 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
 
Nov. 26, 2018, 3 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
 
Nov. 26, 2018, 2 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
 
Nov. 26, 2018, 1 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
 
Nov. 26, 2018, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 26, 2018, 11 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
 
Nov. 26, 2018, 10 a.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
 
Nov. 26, 2018, 9 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
 
Nov. 26, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 26, 2018, 7 a.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
 
Nov. 26, 2018, 6 a.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
 
Nov. 26, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 26, 2018, 3 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
 
Nov. 26, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 26, 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
 
Nov. 26, 2018, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 25, 2018, 11 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
 
Nov. 25, 2018, 10 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
 
Nov. 25, 2018, 9 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
 
Nov. 25, 2018, 8 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
 
Nov. 25, 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
 
Nov. 25, 2018, 6 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
 
Nov. 25, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 25, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 25, 2018, 3 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
 
Nov. 25, 2018, 2 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
 
Nov. 25, 2018, 1 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
 
Nov. 25, 2018, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 25, 2018, 11 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
 
Nov. 25, 2018, 10 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
 
Nov. 25, 2018, 9 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
 
Nov. 25, 2018, 8 a.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
 
Nov. 25, 2018, 7 a.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
 
Nov. 25, 2018, 6 a.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
 
Nov. 25, 2018, 4 a.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
 
Nov. 25, 2018, 3 a.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
 
Nov. 25, 2018, 2 a.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
 
Nov. 25, 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
 
Nov. 25, 2018, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 24, 2018, 11 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
 
Nov. 24, 2018, 10 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
 
Nov. 24, 2018, 9 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
 
Nov. 24, 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
 
Nov. 24, 2018, 7 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
 
Nov. 24, 2018, 6 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
 
Nov. 24, 2018, 5 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
 
Nov. 24, 2018, 4 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
 
Nov. 24, 2018, 3 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
 
Nov. 24, 2018, 2 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
 
Nov. 24, 2018, 1 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
 
Nov. 24, 2018, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 24, 2018, 11 a.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
 
Nov. 24, 2018, 10 a.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
 
Nov. 24, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 24, 2018, 8 a.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
 
Nov. 24, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 24, 2018, 6 a.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
 
Nov. 24, 2018, 4 a.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
 
Nov. 24, 2018, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 24, 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
 
Nov. 24, 2018, 1 a.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
 
Nov. 24, 2018, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 23, 2018, 11 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
 
Nov. 23, 2018, 10 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
 
Nov. 23, 2018, 9 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
 
Nov. 23, 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
 
Nov. 23, 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
 
Nov. 23, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 23, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 23, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 23, 2018, 3 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
 
Nov. 23, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 23, 2018, 1 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
 
Nov. 23, 2018, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 23, 2018, 11 a.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
 
Nov. 23, 2018, 10 a.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
 
Nov. 23, 2018, 9 a.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
 
Nov. 23, 2018, 8 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
 
Nov. 23, 2018, 7 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
 
Nov. 23, 2018, 6 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
 
Nov. 23, 2018, 4 a.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
 
Nov. 23, 2018, 3 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
 
Nov. 23, 2018, 2 a.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
 
Nov. 23, 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
 
Nov. 23, 2018, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 22, 2018, 11 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
 
Nov. 22, 2018, 10 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
 
Nov. 22, 2018, 9 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
 
Nov. 22, 2018, 8 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
 
Nov. 22, 2018, 7 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
 
Nov. 22, 2018, 6 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
 
Nov. 22, 2018, 5 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
 
Nov. 22, 2018, 4 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
 
Nov. 22, 2018, 3 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
 
Nov. 22, 2018, 2 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
 
Nov. 22, 2018, 1 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
 
Nov. 22, 2018, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 22, 2018, 11 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
 
Nov. 22, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 22, 2018, 9 a.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
 
Nov. 22, 2018, 8 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
 
Nov. 22, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 22, 2018, 6 a.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
 
Nov. 22, 2018, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Nov. 22, 2018, 3 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
 
Nov. 22, 2018, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 22, 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
 
Nov. 22, 2018, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 21, 2018, 11 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
 
Nov. 21, 2018, 10 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
 
Nov. 21, 2018, 9 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
 
Nov. 21, 2018, 8 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
 
Nov. 21, 2018, 7 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
 
Nov. 21, 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
 
Nov. 21, 2018, 5 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
 
Nov. 21, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Nov. 21, 2018, 3 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
 
Nov. 21, 2018, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 21, 2018, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Nov. 21, 2018, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 21, 2018, 11 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
 
Nov. 21, 2018, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 21, 2018, 9 a.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
 
Nov. 21, 2018, 8 a.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
 
Nov. 21, 2018, 7 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