Thunder Bay: current Air Quality Health Index (AQHI)

For 12:00 pm EDT Saturday, May 23, 2026

The AQHI calculation for Thunder Bay is not available at this time.

Forecast for Thunder Bay

• Forecast Air Quality Health Index maximums for Thunder Bay
• Issued at: 6:00 am EDT May 23, 2026

Forecast Air Quality Health Index maximums for Thunder Bay

Period	Forecast maximum (Issued at 6:00 am EDT May 23, 2026)
Saturday	2 - Low Risk
Saturday night	2 - Low Risk
Sunday	2 - Low Risk

Health message for Thunder Bay

• Current Air Quality Health Index: Not available
• For 12:00 pm EDT Saturday, May 23, 2026

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.