Erin Davis/Axios Visuals Air quality in Salt Lake City is getting worse, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to our health. By the ...

The Vietnamese capital of Hanoi was the world's most polluted city for much of January 2025, with the hazardous smog posing ...

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

That year, Canadian wildfires sent smoke sweeping across much of the U.S., engulfing the New York City ... the American Lung Association. But earlier in 2024, multiple states issued air quality ...

The fire, determined to be the most destructive in Los Angeles city ... worsened air quality statewide, with some areas reporting hazardous levels exceeding 500 on the Air Quality Index (AQI).

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the blazes.