Air Quality Info

- Air Monitoring
- Access to Air Pollution Data
- Ambient Air Monitoring Sites
- Forest Fire Updates
- Air Quality Web Cam
- Modeling
- Modeling Guidelines for Air Quality Permits
- Permitting & Compliance
- 2008 Smoke Mgmt Permits
- Air Quality Permits & Environmental Assessments
- Air Quality Permits
- Air Quality Forms, Applications, Instructions, & Manuals
- Open Burning Permits
- Operating Permits
- Emission Inventory
- Planning & Policies
- Smoke Management
- Visibility Information
- Smoke Updates
- Nonattainment Information
- State Implementation Plan (SIP)
- Maps
Air Quality Permits
The DEQ issues Montana Air Quality Permits for both stationary sources and portable emitting units. If a facility has the ability to move the emitting units from site to site it would be considered portable. Both the stationary and portable source applications are available, as well as a Permit Process Flow Diagram that reviews the time frames involved in the permit process.
- Portable Source Application
- Stationary Source Application
- Stationary Source Application Instructions
You may wish to access these additional sources of information:

