North

Yellowknife air quality exceeds 10, highest level on risk scale

Smoke from forest fires has pushed Yellowknife off the charts in terms of compromised air quality, resulting in a reading for more than 10 on the Air Quality Health Index, which represents the highest level of risk to health.

Forest fire smoke pushes Yellowknife to 10+ on the Air Quality Health Index

Smoke from over 200 forest fires lingers in the air in downtown Yellowknife around 6:30 MT July 22. The city has gone past 10 out of 10 on the Air Quality Health Index published by a coalition of government monitoring agencies. (Sara Minogue/CBC)

Smoke from forest fires has pushed Yellowknife past 10 out of 10 on the Air Quality Health Index, making it "very high risk," according to a coalition of government monitoring agencies

Yellowknife, the only N.W.T. location monitored in this website, has exceeded 10 out of 10 on the Air Quality Health Index. (weather.gc.ca)

That means people should avoid strenuous activities outdoors, especially children and the elderly, or if you experience coughing or throat irritation.

Dave Grundy, president of the Workers Safety and Compensation Commission, sent his employees home yesterday when the air quality index reached seven out of 10 — already a high risk.

He says he's never had this many calls about health problems.

“We had lots of employees who had trouble breathing, sore throats, nasal congestion, and headaches, so as an employer I have to make sure our employees are safe.”

The air quality index is forecast to dip to eight Tuesday evening and stay there most of Wednesday. 

The territory's health department says prolonged exposure to smoke in the air can cause health issues. For a healthy person, those effects are not likely to be long term.

Environment Canada has issued smoke warnings in all of the communities around Great Slave Lake, including Dettah, Hay River, Enterprise, Fort Providence, Kakisa, Fort Resolution, Fort Smith, Gameti, Wekweeti, Whati, Behchoko and Lutselk'e.

Yellowknife is an outlier on the Air Quality Health Index. (weather.gc.ca)