Toronto Downtown: current Air Quality Health Index (AQHI)

Calculated at 8:00 pm EDT Saturday, March 21, 2026

Forecast for Toronto Downtown

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Forecasts not available

Health message for Toronto Downtown

• Current Air Quality Health Index: 5
• Calculated at 8:00 pm EDT Saturday, March 21, 2026
• Risk: Moderate

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.

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.