Outdoor Air Quality

Guidance for reducing exposure to poor air quality

During an air quality event, it is important to be aware of the potential health concerns associated with poor air quality and take steps to reduce your exposure. The 海角社区 also takes steps to help reduce exposure, including adjusting building ventilation and outdoor campus activities.

Poor Outdoor Air Quality Causes

Common causes of poor outdoor air quality include:

  • industrial processes.
  • pollution trapped by atmospheric inversions.
  • transportation/idling vehicles.
  • wildfire smoke.

Air Quality Health Index (AQHI)

The AQHI provides a number on a 1 to 10 scale to indicate the level of relative health risk associated with local air quality. The higher the AQHI number, the greater the potential health risk and need to take precautions.

Monitor Outdoor Air Quality

  •  when exposed to poor air quality.
  • Continue to check the  (AQHI) and monitor your symptoms throughout the air quality event.

During an Outdoor Air Quality Event

  • At high and very high AQHI levels,  strenuous activities outdoors depending on your risk level.
  • Stop or reduce your activity level if breathing becomes uncomfortable or you feel unwell.
  • Review detailed guidance and precautions from  and .
  • Visit uab.ca/emergency  during high and very high air quality events, as the 海角社区 may have related information available here.

Guidance for Campus Activity Managers + Supervisors

  • Depending on the current AQHI level, campus activity managers should reschedule or consider rescheduling outdoor activities that require a higher level of physical effort. 
  • Supervisors may need to implement controls for work that is going to be conducted outdoors for extended periods to ensure it can be conducted safely.
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Outdoor Air Quality Resources

  • Alberta Health Services: .
  • Alberta Health Services: .
  • Environment Canada: .
  • Government of Alberta: .