The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

Smoke from wildfires burning in northern Ontario and the Prairies of Canada caused poor air quality and reduced visibility in ...

Wildfire smoke blowing into Ontario has dropped air quality to poor levels, but conditions will finally improve come Sunday ...

Things are improving slightly as far as the wildfire smoke is concerned locally. The air quality risk index is sitting at 6 ...