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Air Monitoring in Massachusetts

Daily air quality updates and information on the statewide air monitoring network, data and long-term emissions trends.

MassDEP monitors outdoor air quality at more than 20 monitoring stations across Massachusetts. The agency issues daily forecasts for ozone (smog) from April to October and for fine particle pollution year-round. MassDEP also issues open burning advisories from January to May. Use this service or call 1-800-882-1497 to learn about air quality in your community.


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