In Montana we're proud of our big sky and clean air. We protect our air quality through monitoring, permitting, and compliance assistance. Our year-round monitoring and wildfire smoke updates help people make informed decisions about outdoor activities. Citizens can rely on us to improve and preserve Montana's air quality now and for the future.

Air Quality Permits: Ready for a Change

We're working to streamline air quality permitting processes for portable facilities such as crushers, asphalt plants, and batch plants. Analyses show that the same types of control requirements are indicated for almost all applications. We're reaching out to stakeholders for feedback and suggestions.

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Today's Air Website has Changed

The new Today's Air website uses a more accurate and understandable approach for assessing air quality and resulting health effects messaging to the public in order to make the most informed decisions possible when planning activities.

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Winter Burning Open Burning Season Begins March 1

Montana's open burning season becomes effective each year on March 1. Be sure to obtain a permit from your local fire authority. We provide several ways for people to check air quality and guide their outdoor activities here.

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