Use these maps and tools to track wildfire smoke’s impact across the US

Almost 900 wildfires in Canada have burned nearly 7 million acres of land, sending smoke down into the United States this week.

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The number of acres consumed by wildfires across the North America have dramatically increased in recent years, with a record-breaking number of wildfires in Canada in 2023 and 2025.

Wildfire smoke is made of a mix of pollutants, including fine and small particle pollution called PM2.5, one of the most dangerous forms of air pollution with prolonged or extreme exposure. Studies have shown that the increase in wildfires have stopped or reversed the gains made in air quality since the Clean Air Act in some states, and that fine particle pollution in wildfire smoke caused more than 160,000 deaths in the United States over 15 years.

Read more Use these maps and tools to track wildfire smoke’s impact across the US

Here area number of resources you can use to track air quality reports and wildfires.

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• NOAA’s Office of Satellite and Product Operations provides a fire and smoke hazard map: ospo.noaa.gov/products/land/hms.html#maps
• The federal government’s Wildfire Enterprise Geospatial Portal tracks wildfires in the states: egp.wildfire.gov/maps
• The U.S. Environmental Protection Agency’s AirNow’s fire and smoke map shows air quality ratings, fires and smoke plumes: fire.airnow.gov
• The National Weather Service releases fire hazard forecast maps for fire watches and warnings: weather.gov/fire.
• IQAir, an Swizerland-based technology company that works to improve air quality, has a global map showing air quality: iqair.com/air-quality-map