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Air Quality Index - Updated Guidance and Protocols

As our region continues to face the lingering impacts of smoke and intermittent poor and unhealthy air quality, we wanted to share with you information available to you as it relates to Riverview School District’s decision-making with possible closure or postponement of outdoor events, activities, recesses, and athletic competitions.

Earlier this summer, our Information Technology team installed Purple Air Quality sensors at Cedarcrest Stadium at Cedarcrest High School, Tolt Middle School, Cherry Valley Elementary, Stillwater Elementary, the district’s Carnation campus – home to Carnation Elementary, Riverview Ancillary Programs, and Riverview Learning Center, and the Riverview School District Educational Service Center.

We have now added a “Safety” tab on our district website (, which includes a link to our new Air Quality home page, showing you the current readings of all Riverview School District Purple Air Quality sensors.

Additionally, we will be following guidance provided by Washington State Department of Health (DOH) and utilizing the Washington Air Quality Guide for School & Child Care Activities (linked and shared below). In some instances, Riverview staff may take additional local factors and circumstances into consideration when implementing or considering these recommendations.

The health and safety of Riverview students and staff is our highest priority. By providing access, in real-time, to our Purple Air Quality sensors, and being transparent about the guidance we are following, we hope to continue minimizing any potential impacts during wildfire season and ensure decisions regarding outdoor activities and events remains responsible, informed, and safe for everyone.


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