Reuters on MSN: Wildfires in Northern Ontario bring world's worst air quality to Toronto WFMZ-TV: Haze from Minnesota and Ontario wildfires may lead to air quality alerts later this week Haze from Minnesota and Ontario wildfires may lead to air quality alerts later this week The Guardian: Wildfires in Ontario make Toronto air quality worst in world Air quality across the GTHA has improved over the weekend, despite ongoing wildfires in northern Ontario and across the country. The Canadian Press on MSN: The latest on Ontario wildfires and smoke, from evacuations to poor air quality The latest on Ontario wildfires and smoke, from evacuations to poor air quality Yahoo: 'Looks like Mars': The latest on active fires, evacuations and air quality in Ontario 'Looks like Mars': The latest on active fires, evacuations and air quality in Ontario USA TODAY on MSN: Where are wildfires in Canada? See tracker, smoke and air quality maps Where are wildfires in Canada?

Understanding the Context

See tracker, smoke and air quality maps BBC on MSN: How bad are Canadian and US wildfires, and what is the air quality risk? How bad are Canadian and US wildfires, and what is the air quality risk? By Wa Lone and Kyaw Soe Oo TORONTO, July 15 (Reuters) - Toronto's air quality ranked the worst among major cities globally on Wednesday as wildfire smoke from northwestern Ontario blackened skies and ... Orange skies and heavy smoke covered large parts of the U.S.

Key Insights

on Thursday as Canada and Minnesota grapple with wildfires. Hazardous air quality is expected to continue. The Weather Network on MSN: Ontario's wildfire smoke, air quality finally looking to improve for many