The province has put out a request for contract bids, amid concerns the wildfire season and COVID-19 could combine to cause serious health issues.

Most major Canadian cities saw drastic improvements in air quality over the last two months as COVID-19 kept people at home instead of on the roads.

Satellite imagery shows the high levels of nitrogen dioxide over China went down as lockdowns and factory closures were enforced earlier this year, but it's starting to rise again as cases drop.

Edmonton's air quality rose to a 9 on the Air Quality Health Index at one point on Monday, a level that Environment Canada deems to be a "high risk" to people in the affected area.

Pollution has an adverse effect on our bodies and our wallets, a new study has found.

With strong winds blowing away pollutants, the air quality index at the U.S. Embassy in New Delhi read 155 as compared to 500 over the weekend that was 10 times the recommended WHO level.

Air quality is currently so poor that on Friday, a public health emergency was declared, and schools were ordered to close until Nov. 5.

Large trucks are a big source of air pollution near roads, according to a study of air in Vancouver and Toronto.

Some neighbourhoods, while walkable, have a lot of air pollution.

They say noise and air pollution in the area is so high, it’s putting their health at risk.