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

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

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

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

For the next six days, the air quality is likely to remain in the 'poor' to 'very poor' category in Delhi and surrounding ...

New Delhi: After two days of moderate air quality, the air quality in the national capital has again deteriorated, falling ...

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.

Dhaka topped the list of cities having the worst air quality with an AQI score of 295 at 8:55am this morning (January 27, ...

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