North Bay - Air Quality Health Index
Calculated at: 4:00 AM EDT Friday 25 July 2025
2
3
4
5
6
7
8
9
10
+
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.
Issued at: 5:00 PM EDT Thursday 24 July 2025
Thursday night
3
- Low Risk
Friday
3
- Low Risk
Friday night
3
- Low Risk
Saturday
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...?
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 between Environment Canada, Health Canada and the Province of Ontario.