Much of the U.S. Northeast was smothered last summer by dense smoke from Canadian wildfires, leading to New York City's worst air quality since the 1960s. Such episodes, once mostly isolated incidents, are increasingly common due to the impact of climate change, new research shows.
are 'essentially uninsurable' due to rising climate change risksResidents of California, Oregon and Washington state are seeing the greatest decline in air quality, partially due to wildfires in those regions. In California, air quality today is often in the 'purple' and 'maroon' levels — considered very healthy to hazardous — something that was unheard of about 15 years ago, First Street's analysis found.