The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan accordingly in Michigan.

Residents across much of the Hudson Valley, Long Island, and New York City are under dual weather alerts on Wednesday, July 16, as officials warn of dangerous heat and elevated air pollution levels. The National Weather Service has issued a Heat Advisory from 11 a.

The Oregon Department of Environmental Quality on Wednesday issued an air quality advisory for Klamath and Jefferson counties as several large wildfires burn in the state. Smoke from the Hagelstein and Elk fires in Klamath County and the Cram fire in Jefferson County are causing unhealthy air quality for sensitive groups,

ALBANY — Central New Yorkers can breathe a little easier today — following a moderate Air Quality Index rating for Wednesday, July 16, from the New York State Department of

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes into the decision to play sports or not — and how to make sense of air quality indexes when making your own decision.

The National Weather Service has issued both a heat and air quality alert for most of downstate New York, Wednesday, July 16.

Canada had some of the worst air quality in North America on Tuesday morning according to waqi.info, the website for the World Air Quality Index project. See how your community ranks.

An Air Quality Alert has been issued for parts of northern New York and Vermont today because of Canadian wildfire smoke.