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Extreme heat, drought and wildfires are among the factors that have contributed to a rise in deadly air pollution, especially in the Western part of the country, said Katherine Pruitt, author of the report and senior director of the American Lung Association’s Nationwide Clean Air Policy.
“The air pollution produced by wildfire smoke is getting worse every year,” Pruitt said. “Climate change is contributing to that situation, and those wildfires are a very serious threat to our health.”
In 1970, President Richard Nixon signed the Clean Air Act into law, and since then, emissions of outdoor air pollutants have dropped 78%, according to the US Environmental Protection Agency.
“But there still are way too many people breathing unhealthy air,” Pruitt said, adding that since the American Lung Association launched its annual “State of the Air” report in 2000, she has seen a shift in air pollution becoming a growing problem in the West.
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