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, ...

Air quality in Palm Springs could deteriorate in the coming days, and air-quality forecasts for the region indicate ...

COLUMBUS, Ohio — An Air Quality Alert has been issued for parts of central Ohio on Friday as ozone levels are expected to be elevated. The Mid-Ohio Regional Planning Commission issued the alert for ...

Canadian wildfire smoke is causing air quality advisories and alerts across Michigan. Lansing's air quality was unhealthy as of June 5, with a PM2.5 of 167, prompting recommendations to stay indoors.

Smoke from wildfires in Canada have led to an air quality alert for all of Minnesota. The western half of the state is under a red air quality index warning, meaning the air is unhealthy for everyone ...