Air quality concerns in southwestern Alberta from wildfires

The Air Quality Health Index was shifting between four and seven in the areas around Lethbridge and Taber, which ranges from moderate to the low end of the high risk category. The forecast calls for the AQHI to reach nine on Tuesday and Tuesday evening. The Air Quality Health Index was shifting between four and seven in the areas around Lethbridge and Taber, which ranges from moderate to the low end of the high risk category. The forecast calls for the AQHI to reach nine on Tuesday and Tuesday evening.