PHILADELPHIA (CBS) -- Air Quality Index (AQI) refers to the Environmental Protection Agency's scale regarding the health impact of air quality and pollution in the U.S., regulated under the Clear Air ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online resources, ...

Record dangerous air quality levels continued in parts of the eastern U.S. on Thursday as smoke from Canadian wildfires continues to flow across the border. The Air Quality Index (AQI) is a measure of ...

Delhi AQI Today: The AQI ranges from 0 to 500 and is divided into six categories, according to the CPCB. The first category ...

There has been a lot of talk about air quality levels as nearly the entire tri-state area has been engulfed by smoke coming down from wildfires in Canada. But what do all the numbers actually mean?

Air quality levels in parts of Canada and the US have nosedived in recent days as winds have carried smoke from wildfires in Quebec and Nova Scotia across the continent. Things are bad enough that New ...

Air quality indexes have prompted health advisories in cities across the Midwest and Northeast, as well as in California, as skylines remain enveloped in a smoky haze. Due to smoke from wildfires, ...

Air quality index readings in the unhealthy to very unhealthy range are being reported across the region on Friday Morning. (WDIV) 4Warn Weather – Now that we are out of the 4th of July Holiday, as ...