RELIABLE SOURCE

Trusted air quality data since 1995

WCAS delivers real-time data, regulatory reporting, educational resources, and expert guidance to support informed choices.

Real-Time Data

Air Quality Health Index (AQHI)

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Air Quality Health Index:
The clearest way to get a read on your air.

The Air Quality Health Index (AQHI) is a scale that shows the health risks associated with outdoor air quality. It provides a number and related health risk category to help you understand the potential impacts of air pollution on your health.

Community-Focused

What's new at WCAS?

Stay informed about upcoming events, webinars, and news in your Airshed.

Newsletter: March 2025

Game Time or Downtime? Our March newsletter is here! Get registered for our upcoming webinar on ...

Newsletter: March 2025

Clean Air Webinar — Game Time or Downtime – Navigating Air Quality in Outdoor Sports and Recreation

Air quality can make or break an athlete’s performance—but how do we ...

Clean Air Webinar — Game Time or Downtime – Navigating Air Quality in Outdoor Sports and Recreation

Air Quality & Aging: Supporting Seniors in a Changing Climate

This webinar delves into the intersection of air quality, aging, and community ...

Air Quality & Aging: Supporting Seniors in a Changing Climate

Newsletter: December 2024

Executive Director’s Year in Review As 2024 draws to a close,  WCAS ...

Newsletter: December 2024

Newsletter: March 2025

Game Time or Downtime? Our March newsletter is here! Get registered for our upcoming webinar on ...

Newsletter: March 2025

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Accessible Information

Empowering communities with air quality information

From air quality monitoring and reporting, to public engagement and education, WCAS is an integral part of Western Alberta communities. Learn about the Alberta Airshed model, and how WCAS provides value to local residents, industry, and government.

Well Connected

Connect with WCAS about membership, events, and air quality information