Calgary's air quality on Friday reached alarming levels, ranking among the worst globally due to a thick blanket of wildfire smoke.According to IQAir, a Swiss air quality technology company, the city's Air Quality Health Index (AQHI) hit 10+, classified as 'very high risk.

' This level indicates significant health threats, including respiratory issues and increased risks of asthma attacks, COPD exacerbations, and even stroke.Environment Canada issued 'orange' air quality alerts across western and central Alberta, warning of widespread health impacts.The smoke, originating from wildfires, has worsened air quality in Calgary, Edmonton, and other Prairie regions.

While Edmonton's air quality improved to a 'moderate risk' level by Friday afternoon, Calgary remained in the 'very high risk' category.The situation is compared to major cities like Delhi, Beijing, and Lahore, where air quality is also severely impacted.Health experts warn that prolonged exposure to such conditions can lead to severe respiratory illnesses.Environment Canada predicts some areas may see improvement on Saturday as weather systems push the smoke north.The crisis highlights the urgent need for public health measures and environmental monitoring in regions affected by wildfire smoke.