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

Here's what to know about improving your air quality at home during a wildfire—these expert tips help you breathe easier when ...

AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

A map from AirNow suggests that the air quality around Los Angeles and Anaheim, California, is unhealthy as the Palisades ...

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't ...

The air quality in Pakistan once again reached dangerous levels, with the Air Quality Index (AQI) rising to 529, which is ...

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

Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and stir up heavy dust.

Here's how to tell if you're in an area at risk. What is the Air Quality Index, or AQI? The Air Quality Index, often referred to as AQI, is a federal measure of the amount of air pollution ...