Wildfire smoke from Prairies expected to cause poor air quality for southwestern Ontario
Reduced visibility also possible, according to Environment Canada
Smoke from wildfires in the Prairies has drifted into southwestern Ontario, triggering a special air quality statement for Windsor-Essex, Chatham-Kent and Sarnia-Lambton on Thursday.
The conditions are expected to cause poor air quality and reduced visibility across the region.
"Smoke can fluctuate over short distances and can vary considerably from hour to hour," Environment Canada said in an online statement.
Air quality is expected to improve from north to south. However, as smoke levels increase, so do health risks, according to the federal weather agency.
"Limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events."
Mild and common symptoms from exposure to smoke in the air include eye, nose and throat irritation, headaches or a mild cough, says Environment Canada. More serious symptoms are wheezing, chest pains or a severe cough.
"People more likely to be impacted by outdoor air pollution, including people aged 65 and older, pregnant people, infants and young children, people with an existing illness or chronic health condition, and people who work outdoors, should reduce or reschedule strenuous activities outdoors and seek medical attention if experiencing symptoms."
If you're indoors, it's suggested you keep your windows and doors closed and use a clean, high-quality air filter in your ventilation system.