Action Day for Visibility

Action Day for Visibility: 7-County Denver-Boulder Metro AreaDenver Metro

Action Day for Visibility 

Indoor Burning Restrictions in Effect 

This is the Denver Metro Air Pollution Forecast effective 4PM on Thursday, December 1, 2016: 

An Action Day for Visibility is now in effect for the seven-county Denver-Boulder metropolitan area . Indoor Burning Restrictions and requests to limit driving are now in effect until at least 4 PM Friday, December 2, 2016. Poor visibility and an exceedance of the state visibility standard are expected on Friday. Otherwise, good or moderate air quality conditions are expected. No other air quality advisories are in effect. 

Limited ventilation and mixing will decrease visibility ahead of a weather system passing through the Front Range during Friday afternoon and evening. 

For statewide conditions, forecasts and advisories, visit: 
http://www.colorado.gov/airquality/colorado_summary.aspx  

A poorly maintained vehicle pollutes more than a well maintained one. If you must drive, properly maintain your vehicle. We’ll all breathe easier! 

At 2PM (MST), Thursday, 12/1/2016 the highest AQI value was 44 for Particulate less than 10 micrometers which indicates Good air quality. 
Front Range Air Quality Forecast & Colorado Smoke Outlook 

FRONT RANGE AIR QUALITY FORECAST: 
Thursday, December 1, 2016, 1:45 PM MST 

Ozone concentrations are expected to be in the Good category on Thursday and Friday. 

Fine Particulate Matter concentrations are expected to be in the Good to Moderate range on Thursday and Friday. Moderate conditions are most likely in the Denver Metro Area, and along the I-25 corridor northward to Fort Collins and Greeley. Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion in these areas on Thursday and Friday. 

Carbon Monoxide concentrations are expected to be in the Good category on Thursday and Friday. 

Nitrogen Dioxide concentrations are expected to be in the Good to Moderate range on Thursday and Friday. Moderate concentrations are most likely in the Denver Metro area near busy roadways between the hours of 7-10 AM and 5-9 PM on Thursday and Friday. Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion in these areas on Thursday and Friday. 

Visibility is expected to be Moderate to Poor on Friday. 

COLORADO SMOKE OUTLOOK: 
Thursday, December 1, 2016, 2:20 PM MST 

Air Quality Health Advisory for Wildfire Smoke 

Light to moderate smoke is possible near prescribed fires and small wildfires around the state.