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

COLUMBUS, Ohio — Columbus is under an Air Quality Alert Tuesday due to elevated ozone levels. Mid-Ohio Regional Planning ...

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 ...

Here’s what led to the rise in Canada’s inflation number and what it could mean for the next Bank of Canada interest rate ...

The Air Quality Index (AQI) is a national system developed by the U.S. Environmental Protection Agency (EPA) to translate various air pollutant concentrations into a single, easy-to-understand number.

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

Air Quality Advisory and heat warning are in effect for southern Quebec. After the flood comes the fire. Montreal has some of ...

Wildfire season is upon us, and smoke is reducing air quality through swaths of the country. Environment Canada suggests ...

DETROIT (FOX 2) - An Air Quality Alert is in effect once again today with one major difference. Yesterday's poor air quality ...

The alert comes as humidity is expected to increase Tuesday, with high temperatures in the mid 80s to low 90s, with heat indices reaching 100 by Wednesday.

The DEC has issued an air quality health advisory for most of upstate New York due to elevated levels of fine particulate ...

If you’ve been outside on a smoggy day, you’ve probably noticed that your body reacts poorly to bad air quality. Maybe you coughed, or got a headache. But what actually happens to your body when you ...