Wildfire smoke is causing or expected to cause poor air quality and reduced visibility this weekend. Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to hour.###People more likely to be impacted by wildfire smoke, 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.Visit http://www.airhealth.ca for information on how to reduce your health risk and your personal contribution to pollution levels, as well as for current and forecast AQHI values.Please continue to monitor alerts and forecasts issued by Environment Canada.