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 ...

And even if you don’t feel any discomfort on your run, it doesn’t mean there’s no harm being done. The pollutants can have ...

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.

Delhi experienced its cleanest air since September 2023, with the AQI reaching the 'good' category due to rain and favorable winds.

With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating ...

The Illinois EPA declared an Air Pollution Action Day in the Chicago metro area. See today's air quality index forecast for Illinois.

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

Juan Pablo, of Mexico, finished the Boilermaker 15K in a standard wheelchair in under two hours and will be awarded a custom ...

The Department of Environmental Conservation (DEC) issued an air quality alert for north and central Vermont for Tuesday, ...

An air quality alert was issued by the National Weather Service in Green Bay at 11:55 a.m. on Tuesday, July 15.

The smoke from Canadian wildfires produced some of the worst fine particle pollution on record in Minnesota over the weekend.

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...