Halifax Downtown - Air Quality Health Index
2Low Risk
Moderate Risk
(4-6)
High Risk
(7-10)
Very High Risk
At-Risk Population:
- Enjoy your usual outdoor activities.
- Find out if you are at risk
General Population:
- Ideal air quality for outdoor activities.
Sunday night
Monday
Monday night
Tuesday
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, your physician, or Nova Scotia Environment.
Visit the national AQHI Web site to learn more about the AQHI.
Did you know...?
Carbon dioxide emissions from international aviation have increased 83% since 1990.
The AQHI is an initiative between Environment Canada, Health Canada, Nova Scotia Environment, and The Nova Scotia Department of Health and Wellness in partnership with the Lung Association of Nova Scotia and Clean Nova Scotia.

Observed ConditionsFootnote †
2 - Low Risk
Calculated at:
12:00 AM ADT Monday 26 May 2025
Forecast Maximums
Issued at:
5:00 PM ADT Sunday 25 May 2025
The AQHI is an initiative between Environment Canada, Health Canada, Nova Scotia Environment, and The Nova Scotia Department of Health and Wellness in partnership with the Lung Association of Nova Scotia and Clean Nova Scotia.
- Date modified: