smoggy mountains 

Air Quality Action Days

The Colorado Department of Public Health and Environment (CDPHE), Air Pollution Control Division determines the air pollution forecast daily. 

Action Days

  • Poor weather conditions are expected to cause air quality standards to be exceeded in any or all of the following: carbon monoxide, fine particulate matter (PM-10) and visibility. 
  • Residential wood burning is prohibited except in uses defined in Regulation 4.

No Action Days

  • Wood burning is permitted. 

The air pollution forecast is updated daily at 4:00 p.m. and remains in effect until the next update. See today’s forecast, or call 303-758-4848.

 Related Links


Contacts

Air Quality Program

Main: 303-441-1564
Submit a question

www.BoulderCountyAir.org

Boulder

3450 Broadway
Map & Directions
Hours: 8 a.m.-4:30 p.m. M-F


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