Smoke from wildfires in Canada has drifted into the U.S., prompting air quality alerts for Americans as it continues to spread. But when officials and forecasters classify a city's air as "unhealthy" ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online resources, ...

It is wildfire season, which could mean more air pollution, too. Here are a few tips to protect yourself. By Adeel Hassan and Hilary Howard Wildfires burning across Canada are generating clouds of ...

Air quality levels in parts of Canada and the US have nosedived in recent days as winds have carried smoke from wildfires in Quebec and Nova Scotia across the continent. Things are bad enough that New ...

If you live in regions like North India or cities like Delhi, what dominates concerns for every individual and family November onwards is the worsening AQI. Air Quality Index (AQI) numbers dominate ...