Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

EDT the National Weather Service reported an air quality alert in effect until Thursday at 1:30 a.m. EDT for Cass and Berrien ...

This week in the Boston Globe Weather Mailbag, Globe Weather HQ tackles questions surrounding summer thunderstorm frequency, ...

In Canada, the Air Quality Health Index (AQHI) is a scale developed to help people understand what the current air quality ...

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes ...

Officials have issued an air quality alert for around 10 million Americans, telling them to minimize outdoor activities and ...