Calgary - Air Quality Health Index
4Moderate Risk
Moderate Risk
(4-6)
High Risk
(7-10)
Very High Risk
At-Risk Population:
- Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms.
- Find out if you are at risk
General Population:
- No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.
Tuesday night
Wednesday
Wednesday night
Thursday
Who is at risk?
People with heart and lung conditions are most affected by air pollution.
To find out if you are at risk, consult the health guide, or your physician.
Visit the national AQHI Web site to learn more about the AQHI.
Did you know...?
Air pollution can affect your health in different ways, from minor symptoms such as a scratchy throat, to more serious symptoms such as difficulty breathing or heart problems.
The AQHI is an initiative of Environment Canada, Health Canada, Alberta Environment and Parks, Alberta Health and Alberta Health Services.

Observed ConditionsFootnote †
4 - Moderate Risk
Calculated at:
1:00 AM MDT Wednesday 7 June 2023
Forecast Maximums
Issued at:
5:00 PM MDT Tuesday 6 June 2023
The AQHI is an initiative of Environment Canada, Health Canada, Alberta Environment and Parks, Alberta Health and Alberta Health Services.
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
- Date modified: