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

Delhi experienced overnight showers and a cloudy Thursday, with Palam receiving 1.2 mm of rain. Despite this, air quality ...

Utah atmospheric scientists reveal that a proposed "geoengineering" strategy to remove a potent greenhouse gas could worsen ...

A recent report has revealed a startling truth about global air pollution: only seven countries worldwide meet safe air ...

Atmospheric scientists show proposed 'geoengineering' effort to remove methane, a potent greenhouse gas, from the atmosphere could worse air quality while providing minimal climate benefits.

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s ...

A fire at the world’s largest battery storage plant in Northern California is smoldering after sending plumes of toxic smoke ...

There's confusion over how safe air quality is in L.A. as fires continue to burn, spewing wildfire smoke and toxins. We look at air quality readings, what's real and what's not and what people can do.

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

SANDY — Could it happen here? Sandy city leaders and firefighters spoke Tuesday about the potential for a large-scale fire event similar to the one in Los Angeles to unfold close to home at the ...