Current air quality refers to the concentration of pollutants and particulate matter in the atmosphere at this moment, measured and reported through standardized health indices that tell you whether the air outside is safe to breathe. In Canada, Environment and Climate Change Canada tracks these conditions through the Air Quality Health Index (AQHI), a scale from 1 to 10+ that …
What Is the Air Quality Health Index (and How Wind Patterns Shape Air Quality Across Canada)?









