Current Air Quality in Aspen

Air Quality Index

The Air Quality Index (AQI) is an index for reporting how clean or polluted your air is and is generated using local air quality monitoring data.

The AQI focuses on health effects you may experience within a few hours or days after breathing polluted air.

Check the AQI being measured at a pollution monitor near you online.

Smoke and Air Quality

• Find Colorado air quality, wildfire smoke, and health advisory information at PitkinEmergency.org. 
• Sign up for Pitkin Alerts to receive local air quality alerts.  
• Prepare for a wildfire smoke incident by following these tips.

Today's Direct Measurements in Aspen

• Ozone
• Particulate Matter 2.5
• Particulate Matter 10