Alberta - Air Quality Health Index - Summary

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Forecast Regions

This table is a summary of air quality health messages by category
Health Risk	Air Quality Health Index	Health Messages
Health Risk	Air Quality Health Index	At Risk Population*	General Population
Low Risk	1-3	Enjoy your usual outdoor activities.	Ideal air quality for outdoor activities.
Moderate Risk	4-6	Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms.	No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.
High Risk	7-10	Reduce or reschedule strenuous activities outdoors. Children and the elderly should also take it easy.	Consider reducing or rescheduling strenuous activities outdoors if you experience symptoms such as coughing and throat irritation.
Very High Risk	Above 10	Avoid strenuous activities outdoors. Children and the elderly should also avoid outdoor physical exertion.	Reduce or reschedule strenuous activities outdoors, especially if you experience symptoms such as coughing and throat irritation.

This table shows a summary of current Air Quality Health Index values and forecast maximums¹
Location and sub-locations	Observed Conditions	Forecast Maximums
Location and sub-locations	Observed Conditions	Wednesday	Wednesday night	Thursday	Thursday night
Airdrie	4 Moderate Risk	4 Moderate Risk	4 Moderate Risk	3 Low Risk	2 Low Risk
Brooks	1 Low Risk	3 Low Risk	3 Low Risk	2 Low Risk	2 Low Risk
Calgary	4 Moderate Risk	4 Moderate Risk	4 Moderate Risk	3 Low Risk	2 Low Risk
Cold Lake	2 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk
Drayton Valley	3 Low Risk	3 Low Risk	3 Low Risk	2 Low Risk	2 Low Risk
Edmonton	4 Moderate Risk	4 Moderate Risk	4 Moderate Risk	3 Low Risk	3 Low Risk
Edson	3 Low Risk	3 Low Risk	3 Low Risk	2 Low Risk	2 Low Risk
Fort Chipewyan	1 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk
Fort McKay	2 Low Risk	2 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk
Fort McMurray	2 Low Risk	2 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk
Fort Saskatchewan	3 Low Risk	3 Low Risk	3 Low Risk	1 Low Risk	1 Low Risk
Genesee	3 Low Risk	3 Low Risk	3 Low Risk	2 Low Risk	2 Low Risk
Grande Prairie	3 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk
Hinton	3 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk	2 Low Risk
Lamont County	3 Low Risk	3 Low Risk	3 Low Risk	1 Low Risk	1 Low Risk
Lethbridge	3 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk
Medicine Hat	4 Moderate Risk	4 Moderate Risk	4 Moderate Risk	3 Low Risk	3 Low Risk
Red Deer	3 Low Risk	3 Low Risk	3 Low Risk	2 Low Risk	2 Low Risk
St. Albert	4 Moderate Risk	3 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk
Strathcona County	3 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk
Sturgeon County	3 Low Risk	3 Low Risk	3 Low Risk	1 Low Risk	1 Low Risk
Wood Buffalo - south	2 Low Risk	2 Low Risk	3 Low Risk	3 Low Risk	3 Low Risk

1. Forecast issued at: 1:21 PM MDT Wednesday 18 June 2025