Purple Air sensor

news
climate
Author

Cait Harrigan

Published

December 19, 2021

Reading time: <1 minute

We added a new device to our collection: a Purple Air air quality sensor. The Purple Air sensor measures PM2.5 particle pollution.

There’s a large community of people participating in this air quality monitoring, all over North America1. See the Galiwatch measurments update real-time!

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Footnotes

  1. Similar projects also exist in Europe, such as [sensor.community](https://sensor.community/en/)↩︎