Kitchener: current Air Quality Health Index (AQHI)

Calculated at 2:00 am EDT Tuesday, October 21, 2025

4

1

2

3

4

5

6

7

8

9

10

+

low risk
(1 - 3)

moderate risk
(4 - 6)

high risk
(7 - 10)

very high risk

Forecast for Kitchener

• Forecast Air Quality Health Index maximums for Kitchener
• Issued at: 5:00 pm EDT October 20, 2025

Forecast Air Quality Health Index maximums for Kitchener

Period	Forecast maximum (Issued at 5:00 pm EDT October 20, 2025)
Monday	2 - Low Risk
Monday night	2 - Low Risk
Tuesday	2 - Low Risk

Health message for Kitchener

• Current Air Quality Health Index: 4
• Calculated at 2:00 am EDT Tuesday, October 21, 2025
• 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.