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CASA is open to anyone who has the time, expertise and interest in air quality issues to work in a committee-based format to find ways to improve air quality in the Sarnia area. If you are interested in joining or would like more information, please contact us at

CASA Membership (as of September 2017):

Access Real Time Data

Explore the data and resources provided to learn more about air quality in the Sarnia area, and how you can become involved with the Clean Air Sarnia and Area initiative.

Working towards improving Sarnia's air quality!