AQSQID: 080770018

Site Name: Grand Junction - Pitkin Shelter

Location: Grand Jct, CO

Reporting: False, Located: True

Current AQI: None

Grand Jct CO, US: 39.063599, -108.561096

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
May 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
May 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 12, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
May 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
May 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 11, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 10, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 10, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
May 9, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 9, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 8, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 8, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 8, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
May 8, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 8, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
May 8, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0