Notifications

Website maintenance may cause short outages or slow response times from November 8 at 10 pm until November 10 at 5 pm.

Part of Air quality

Air Quality Health Index

Learn about the Air Quality Health Index (AQHI) and how you can use it to determine your level of health risk.

Introduction

The Air Quality Health Index (AQHI) helps you understand what the air quality around you means to your health. The AQHI is a tool that relates the air quality outside to your health, using a scale from 1 to 10. The lower the number, the lower the risk.

Find out about the AQHI.