Rifle, Colorado: Real-Time Air Quality Information
10/22/2016 11:00 AM
50 F
28 %
2 mph
0.0 in
Ideal Image
PollutantAverage Time U.S. EPA
  0.070 ppm
(70 ppb)
  35 ug/m3
  150 ug/m3
The AQI is an index for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. The AQI focuses on health effects you may experience within a few hours or days after breathing polluted air.
Unhealthy for Sensitive People
Very Unhealthy
Ozone O3
1 Hour Average
27 ppb
8 Hour Rolling Average
15 ppb
10/22/2016 11:00:00 AM
Particulate Matter PM2.5
Current Average
1 ug/m3
24 Hour Rolling Average
4 ug/m3
10/22/2016 11:00:00 AM
Particulate Matter PM10
Public Notice   Due to a change in monitoring equipment, real-time particulate matter ≤10 microns in diameter (PM10) measurements will no longer be available at this location. PM10data will continue to be collected at this site every three days for 24 hours, with data published in our annual report. Please visit our Air Quality Management homepage for more information on particulate matter.
Data Disclaimer
Air quality and meteorology data are displayed on this Web page typically within one to three hours of their collection. As a result, data posted are raw that have not been validated by human review and may contain errors. Real-time data must be interpreted with caution. These data are provided for public awareness only. They should not be used in any medical or scientific study. Contact your regional air program manager to obtain quality-assured quarterly data summaries or access to fully-validated raw data.