CASA Members

CASA welcomes anyone with an interest in air quality who is willing to commit time and expertise to contribute to committee-based efforts aimed at increasing understanding and transparency related to air quality in the Sarnia area. If you're interested in joining or would like more information, please send us a message using the contact form below.

CASA Membership (as of 2026):

CASA was formed in September 2015, and works to increase understanding and transparency related to local air quality in the Sarnia area by:

Sharing information about ambient air quality
Identifying and researching local air quality issues
Providing recommendations and information to the Ministry of the Environment, Conservation and Parks and BASES Environmental Monitoring

Educating the public about local air quality

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Air quality data on this website are automatically polled from the Clean Air Sarnia & Area monitoring network and are intended for public awareness. Because the data is real time, they have not undergone complete quality control and quality assurance procedures, and so they may contain errors and are subject to change. The real-time air quality data on this web page are considered "unverified data" and should not be used in published documents. Data integrity and validity may be affected by instrument malfunctions, telemetry connectivity, QA/QC requirements, instrument calibration times or power outages. Real-time air quality data on this website are not meant for emergency response purposes. This website does not replace or supplement the existing emergency notification and response protocols, including Sarnia-Lambton Alerts.