Lethbridge - 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.
Friday night
Saturday
Saturday night
Sunday
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...?
You can visit the Idle-free Zone for great ideas on how to conserve energy and reduce emissions at www.idling.gc.ca
The AQHI is an initiative of Environment Canada, Health Canada, Alberta Environment and Protected Areas, Alberta Health and Alberta Health Services.

Observed ConditionsFootnote †
4 - Moderate Risk
Calculated at:
12:00 AM MDT Saturday 8 August 2026
Forecast Maximums
Issued at:
5:00 PM MDT Friday 7 August 2026
The AQHI is an initiative of Environment Canada, Health Canada, Alberta Environment and Protected Areas, Alberta Health and Alberta Health Services.
Features
Colour-coded weather alerts
Learn more about weather alerting in Canada
Thunderstorm Outlooks
Find the Thunderstorm Outlook for your area.
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