Hamilton, Burlington, Brantford and surrounding areas are expected to see smoke from wildfires in Western Canada impact the air Thursday night into Friday morning, says Environment Canada.

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again this weekend.

Living in the Midwest means being affected by the Canadian wildfires that occur just about every year. Here is what to know about these wildfires and how they’re affecting the Midwest.

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Exposure to wildfire smoke — especially if it's heavy and over a long period of time — can cause adverse health effects in anybody, regardless of health status or age. But even mild wildfire exposure can significantly impact at-risk groups, such as people with chronic health conditions, seniors, young children and pregnant women.

Canada wildfires are causing hazardous smoke to drift into the U.S., lowering air quality across multiple states. Residents are advised to take health precautions as fires rage on. The post Canada Wildfires Spread Smoke,

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are impacting US states.

The Michigan Air Quality Division said as smoke from Canadian wildfires continues to threaten the upper Midwest, "monitors in the western (Upper Peninsula) showed a large increase surface concentrations, during Tuesday, as smoke mixed down, which sent PM-2.5 concentrations soaring into the Unhealthy and higher range."

Canada’s wildfires may impact gas prices: here’s how - Patrick De Haan, head of petroleum analysis at GasBuddy, told The Independent that if Canada’s oil production shutdown continues, “it could be a bit more problematic to [U.