About the Real-Time Map Category

This category will guide you through the basics of the PurpleAir Real-time Map. Whether you own a sensor or not, the map provides useful data for your consideration. If you can’t find an answer to your question, please ask!

The Map updates automatically every two minutes so you always have the latest information from our growing network of over 30,000 air quality sensors hosted by citizen scientists just like you.

Get started discussing the PurpleAir map here.