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

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

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

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...

Government measures fall short, experts say, as air quality index (AQI) readings become more hazardous in Thai capital.

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

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

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

The western Indian state of Maharashtra has formed a panel to study a proposal to ban petrol and diesel vehicles in Mumbai ...

Fearless journalism is more important than ever. When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world ...

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