Here’s where wildfire smoke is spreading in Canada and the U.S.

As wildfires continue to wreak havoc in Western Canada, communities in affected areas and surrounding provinces are grappling with the consequences of thick plumes of smoke blanketing the skies. The air quality alerts have extended into parts of the United States, with smoke conditions becoming so severe in the U.S. Midwest that the air quality has been categorized as “hazardous.”

A 2024 report from Health Canada highlights the dangers of exposure to wildfire smoke, linking it to early death and respiratory issues. This has prompted Environment and Climate Change Canada to issue air quality warnings throughout Manitoba, Saskatchewan, Alberta, and Ontario.

In Manitoba, fifty-three communities in southeastern regions have been alerted about poor air quality and reduced visibility due to wildfire smoke. While conditions are improving in some areas as the smoke drifts eastward, communities like Flin Flon and Cross Lake are still experiencing heavy smoke due to ongoing wildfires.

Northern Saskatchewan, including La Ronge, has also been under air quality warnings, with the Lac La Ronge Indian Band opening a fresh air shelter to provide relief for those impacted by the smoke. Northwestern Ontario has also been issued special air quality statements, warning residents of lingering smoke in the area.

The impact of the wildfires has now reached the Upper Midwest in the U.S., affecting states such as Minnesota, Wisconsin, Nebraska, and North Dakota. A statewide air quality alert has been issued for Minnesota, with the smoke expected to reach northwestern and north-central parts of the state.

The Air Quality Index values in the U.S. are anticipated to reach hazardous levels in northwestern Minnesota, prompting warnings for residents to avoid outdoor activities. The smoke is expected to drift southeast in the coming days, affecting more regions in the Midwest.

In Canada, Air Quality Health Index values have varied across the affected provinces, with some areas experiencing moderate to high health risks. Seniors, young children, pregnant women, and individuals with chronic health conditions are at the highest risk of facing health impacts from the wildfire smoke.

The long-term effects of wildfire smoke exposure can lead to increased risks of infections, including pneumonia and COVID-19. Health authorities recommend using portable air cleaners with HEPA filters, keeping windows closed, and using air conditioners to limit outdoor air intake.

In conclusion, as wildfires continue to rage in Western Canada, the impact of thick smoke on air quality is a growing concern for communities in affected areas and neighboring provinces. The health risks associated with wildfire smoke exposure highlight the importance of taking precautions to protect vulnerable populations and mitigate the long-term effects on respiratory health.