An air quality warning is in effect for Clearwater County near the Siffleur Wilderness Area.

Environment and Climate Change Canada (ECCC) says wildfire smoke is causing or is expected to cause poor air quality and reduced visibility.

Officials say the smoke is expected to persist in the area until the weekend, causing fluctuating reductions in air quality, so residents should prepare to limit their time outdoors.

As smoke levels increase, so do health risks. Residents in the affected areas may experience common symptoms such as eye, nose and throat irritation, headaches or a mild cough. More serious but less common symptoms include wheezing, chest pains or a severe cough.

People over the age of 65, pregnant people, infants and young children, those with existing health conditions and those who work outdoors are more likely to be impacted by wildfire smoke and are encouraged to reschedule strenuous outdoor activities. The ECCC also reminds these individuals to seek medical attention if they are experiencing symptoms.

If you must spend time outside, officials recommend wearing a well-constructed, well-fitting respirator-type mask (such as an NIOSH-certified N95 or equivalent respirator) to reduce exposure to fine particles in the smoke.

While indoors, residents should keep the windows and doors closed as much as possible. An air filter or portable air cleaner can also help reduce exposure.