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We have lots to share with you, from do-it-yourself CR box build resources and instructions, lesson plan templates, and the latest research on improving indoor air - we invite you to learn with us.

Learn to build a CR Box

Want to build your own CR box or host your own community build event?

Check out our videos and resources

Lessons and Resources for Teachers

K-12

Five Hands-on Lesson Plans: Using Air Sensors to Teach About Air Quality

4- 6 grade

7-12 grade

Learn about the Latest Research & Recommendations for Clean Indoor Air

Ventilation in Buildings - CDC Guidance (May 2023)
Efficacy of Do-It-Yourself air filtration units in reducing exposure to simulated respiratory aerosols (February 2023)
Clean Air Crew