Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” ...

Smoke is drifting south from wildfires in Canada and a group of lawmakers had asked the Canadian ambassador about her ...

Residents in lower-income areas, often near highways and industrial sites, still breathe some of the dirtiest air in the ...

Improving air quality in the UAE to meet World Health Organisation guidelines could generate savings of $596 million a year, ...

Smoke from Canadian wildfires is causing unhealthy air across North Dakota and Minnesota, with doctors warning of serious ...