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Air Monitoring in Massachusetts

Get daily air quality updates and forecasts. Learn about our statewide air monitoring network. Find air quality data and learn about long-term trends.

We measure outdoor air quality at more than 20 monitoring stations across the state. We forecast for ozone (smog) from April to October each day. We forecast for fine particle pollution all year. We also issue open burning advisories from January to May. Use this site or call 1-800-882-1497 to learn about the air quality in your community.

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MassAir Online: Get current air quality, daily forecasts, more  Learn about the MassDEP Air Quality Monitoring Network 

What you need to know

Criteria Air Pollutants  Toxic Air Pollutants  MassDEP Ambient Air Toxics Guidelines  Annual Air Quality Reports  Air Sensors for Particulates  Volatile Organic Compound (VOC) Monitoring Data 

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