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 ...
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 ...
Air Quality & Aging: Supporting Seniors in a Changing Climate
This webinar delves into the intersection of air quality, aging, and community ...
Newsletter: December 2024
Executive Director’s Year in Review As 2024 draws to a close, WCAS ...
Newsletter: March 2025
Game Time or Downtime? Our March newsletter is here! Get registered for our upcoming webinar on ...
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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.
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