Northwest Clean Air Agency

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Northwest Clean Air Agency Working to protect and improve air quality in Washington's Island, San Juan, Skagit, and Whatcom counties.

Since the passage of the Washington State Clean Air Act in 1967, the Northwest Clean Air Agency has been the primary government agency responsible for protecting the air in Island, Skagit and Whatcom counties. We are responsible for enforcing federal, state and local air quality regulations at stationary sources of air pollution in our jurisdiction. In addition to regulating businesses, we focus on informing the public about air quality issues and how to make clean air choices.

Do you plan to start a business in Island, San Juan, Skagit, or Whatcom counties?You may need NWCAA permits if it could ...
10/15/2026

Do you plan to start a business in Island, San Juan, Skagit, or Whatcom counties?

You may need NWCAA permits if it could impact air quality. We currently permit nearly 600 air emissions sources.

Check the "For Business" section on NWCAA's website.

Questions? We can help!

10/15/2026

NWCAA AQ FORECAST: Expect Good to Moderate air quality on 10/15 in Island, San Juan, Skagit, and Whatcom counties.

Calm conditions will lead to some mild residual smoke buildup. Expect Moderate to Unhealthy for Sensitive Groups air quality in Whatcom's Columbia Valley and the Cascade foothills due to higher woodstove usage.

Elevated haze may still be visible at times due to wildfire smoke, though ground-level conditions may not correspond to smoke aloft.

Current conditions: https://bit.ly/3lXahMq

Graphic: 6 a.m. 10/15 - Midnight 10/16

Outdoor burning causes smoke that harms air quality and people. Plus it can cause wildfires!Don't burn yard debris. Inst...
10/14/2026

Outdoor burning causes smoke that harms air quality and people. Plus it can cause wildfires!

Don't burn yard debris. Instead, chip or compost waste to help protect .

If you burn wood even part-time to heat your home, make sure you practice fire safety to reduce harmful wood smoke that ...
10/14/2026

If you burn wood even part-time to heat your home, make sure you practice fire safety to reduce harmful wood smoke that can impact you and others.

Protect ! And keep your own home safe from fires.

10/14/2026

NWCAA AQ FORECAST: Expect Good to Moderate air quality on 10/14 in Island, San Juan, Skagit, and Whatcom counties.

Calm conditions will lead to some mild residual smoke buildup. Expect Moderate to Unhealthy for Sensitive Groups air quality in Whatcom's Columbia Valley and the Cascade foothills due to higher woodstove usage.

Elevated haze may still be visible at times due to wildfire smoke, though ground-level conditions may not correspond to smoke aloft.

Current conditions: https://bit.ly/3lXahMq

Graphic: 6 a.m. 10/14 - Midnight 10/15

Want to remodel or demolish an older structure in Island, San Juan, Skagit, or Whatcom counties?Exposure to asbestos use...
10/13/2026

Want to remodel or demolish an older structure in Island, San Juan, Skagit, or Whatcom counties?

Exposure to asbestos used in old building products can cause cancer and other serious diseases, and trigger asthma.

Befor starting work, check the "Asbestos & Demolition" page on NWCCA's website.

Year-round, NWCAA encourages you to avoid idling vehicle engines while waiting in lines or at a curbside pickup location...
10/13/2026

Year-round, NWCAA encourages you to avoid idling vehicle engines while waiting in lines or at a curbside pickup location, at a school, etc.

Please do your part to cut engine emissions and reduce air pollution.

10/13/2026

NWCAA AQ FORECAST: Expect Good to Moderate air quality on 10/13 in Island, San Juan, Skagit, and Whatcom counties.

Calm conditions will lead to some mild residual smoke buildup. Expect Moderate to Unhealthy for Sensitive Groups air quality in Whatcom's Columbia Valley and the Cascade foothills due to higher woodstove usage.

Elevated haze may still be visible at times due to wildfire smoke, though ground-level conditions may not correspond to smoke aloft.

Current conditions: https://bit.ly/3lXahMq

Graphic: 6 a.m. 10/13 - Midnight 10/14

If you burn wood for heat, remember ...And if you can, use alternate heating sources -- don't burn wood at all!
10/12/2026

If you burn wood for heat, remember ...

And if you can, use alternate heating sources -- don't burn wood at all!

Learn how to reduce your exposure to indoor air pollutants by improving your indoor air quality.The most effective way i...
10/12/2026

Learn how to reduce your exposure to indoor air pollutants by improving your indoor air quality.

The most effective way is to eliminate individual sources of pollution or to reduce their emissions.

Address

1600 South 2nd Street
Mount Vernon, WA
98273

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm

Telephone

(360) 428-1617

Website

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