Toronto Downtown: current Air Quality Health Index (AQHI)

Calculated at 4:00 am EDT Monday, July 14, 2025

Forecast for Toronto Downtown

• Forecast Air Quality Health Index maximums for Toronto Downtown
• Issued at: 12:08 am EDT July 14, 2025

Forecast Air Quality Health Index maximums for Toronto Downtown

Period	Forecast maximum (Issued at 12:08 am EDT July 14, 2025)
Monday night	9 - High Risk
Tuesday	5 - Moderate Risk

Health message for Toronto Downtown

• Current Air Quality Health Index: 10+
• Calculated at 4:00 am EDT Monday, July 14, 2025
• Risk: Very High

At-risk population:

• Avoid strenuous activities outdoors. Children and the elderly should also avoid outdoor physical exertion.
• Find out if you are at risk

General population:

• Reduce or reschedule strenuous activities outdoors, especially if 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.