Use the Purple Air PA-I for indoor air quality monitoring. This tool measures PM 1.0, 2.5, and 10. It also measures temperature, pressure, and humidity.
Become a SciStarter Ambassador!
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Applications for Cohort 4 are open!

Libraries and community organizations need your help to spark excitement for citizen science and keep the momentum going!

The SciStarter Ambassador Program offers FREE training to volunteers ready to make an impact in their communities.

Ready to make a difference? Complete your application by March 14th to join the movement!