Hundreds of wildfires are currently raging across Western Canada, prompting mass evacuations and threatening towns.

The town of Fort Nelson, British Columbia, has evacuated 3,500 residents due to an encroaching wildfire.

In Alberta, 43 wildfires are active; Fort McMurray is on evacuation alert as a nearby wildfire grows to 1,500 hectares.

Smoke from the Canadian wildfires has degraded air quality to 'unhealthy for sensitive groups' in Great Falls, Montana, and is affecting other regions.

Canadian officials warn of a heightened wildfire risk in the coming months due to above-average temperatures and drought conditions.

The Minnesota Pollution Control Agency has issued a state-wide air quality alert, with the air quality expected to reach unhealthy levels.

Wisconsin's air quality is also impacted by Canadian wildfire smoke, leading to advisories on outdoor activities and air quality monitoring.

A geomagnetic storm has created a striking display of the Northern Lights, visible despite the environmental disturbances.