Air Quality permits

We issue a variety of permits for industrial air pollutants and burning to ensure air pollution does not reach unhealthy levels. We help companies meet the requirements when an air permit is needed.

Industrial area in the Port of Seattle. Cranes and port equipment with Puget Sound and Olympic Mountains in background.

Types of permits

An air permit is required for businesses and individuals that emit air pollution through industrial processes or burning. An air permit protects public health and the environment by requiring businesses, commercial activities, and individuals to meet federal and state air rules.

We help companies understand:

When an air permit is needed.
How to apply for a permit.
The review process.
Other requirements.

The types of air permits are described below. To find out if you need another type of permit, visit the Governor's Office for Regulatory Innovation and Assistance.

An air operating permit is a document that combines all requirements for operation and procedures, applicable rules, emission standards, monitoring, recordkeeping, and reporting. An air operating permit is required for major sources (such as power plants, oil refineries, and industrial facilities) that emit or have the potential to emit 10 tons per year or more of hazardous air pollution, or 25 tons per year or more of a combination of hazardous air pollution.

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Air Quality permits

Types of permits

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