Calgary - Air Quality Health Index
Calculated at: 7:00 PM MDT Wednesday 18 June 2025
4Moderate Risk
2
3
4
5
6
7
8
9
10
+
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.
Issued at: 5:00 PM MDT Wednesday 18 June 2025
Wednesday night
4
- Moderate Risk
Thursday
3
- Low Risk
Thursday night
3
- Low Risk
Friday
3
- Low Risk
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...?
Large, heavy vehicles like SUVs cause nearly twice as much pollution as small, subcompact cars.
The AQHI is an initiative of Environment Canada, Health Canada, Alberta Environment and Protected Areas, Alberta Health and Alberta Health Services.
