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Understanding Indoor Air Quality

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Explore why indoor air quality varies by room and how to monitor it for a healthier home. Learn More.

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Northwestern cities rank for dirtiest air

Air pollution from wildfires in Washington & Oregon break world air quality records. See the air quality impact. Read More >

Fires cause Northern California cities to break top 10 list for world’s worst air pollution

See how a series of Bay Area fires drastically impacted local air quality across the region. Read More >

Colorado battled record burning acres, as air pollution shrouded much of the state

Record-breaking Colorado wildfires caused unhealthy air pollution from wildfire smoke. Learn more. Read More >

Fall 2019 California fires: The Getty, Kincade, and Grizzly Island Fires

2019 California wildfires scorched over 94,000 acres. Most were quickly contained, but others continued to pose serious threats to homes and air quality. Read More >

Amazon wildfire smoke billows into the air.

How far can wildfire smoke from the Amazon travel?

The air pollution created by fires in the Amazon’s rainforests can travel worldwide. Discover why. Read More >

Sand Fire burning in Northern California brings area’s first air pollution alert of 2019

The Sand Fire marked the first major blaze of California’s 2019 fire season, burning 2,512 acres and triggering an air pollution alert. Learn more. Read More >

Alberta’s raging wildfires cause dangerously polluted air quality, and point to a concerning global trend

Alberta wildfires scorched over 700,000 acres of pristine forest, spawning toxic air pollution and highlighting a concerning global trend. Read more. Read More >