The increasing frequency of wildfires is putting many U.S. counties at high risk of poor air quality and acting as the last straw for residents moving out.

Mayor Zohran Mamdani said that New Yorkers had gotten sick “because the leaders they trusted lied.” On Tuesday, he released ...

New York City is expected to release more than 170,000 pages of previously undisclosed records about air quality following ...

Ahead of this year’s International Day of Clean Air for blue skies , we’ve built a glossary of the terms most important for ...

Smoke from Canadian wildfires has impacted the air quality throughout United States, including in the northern High Plains, Midwest, Great Lakes, southern Mid-Atlantic and into the Northeast. This has ...

Across the United States this year, scientists have been putting their concerns in writing. As wildfire smoke has repeatedly ...