Hamilton Mountain: current Air Quality Health Index (AQHI)

Calculated at 2:00 pm EDT Tuesday, September 16, 2025

Forecast for Hamilton Mountain

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Forecasts not available

Health message for Hamilton Mountain

• Current Air Quality Health Index: 3
• Calculated at 2:00 pm EDT Tuesday, September 16, 2025
• Risk: Low

At-risk population:

• Enjoy your usual outdoor activities.
• Find out if you are at risk

General population:

• Ideal air quality for outdoor activities.

See the Ontario Ministry of the Environment, Conservation and Parks air quality health messages.

Note: AQHI readings on this web page are based on automatically polled data and have not undergone final verification.