Wildfires are becoming more common in Canada and that means more smoke and air quality warnings. Here’s what you need to know about air quality to better understand how it could impact your health and ...

The National Park Conservation Association said visibility is 65 miles. Still a ways off from the natural visibility of 121 miles.

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

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

Delhi experienced its cleanest air in almost two years on Tuesday, as persistent rain and favourable wind conditions pushed the city’s air quality into the ‘good’ category for several hours. According ...

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 ...

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

TORONTO — Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due to smoke from wildfires, as Environment Canada advised residents ...

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

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

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.

Heavy rains batter parts of India; flash flood alert in 19 Jharkhand districts, while Rajasthan and Himachal reel under ...