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Hyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
Which Sensor to Choose. Sensor Community.
US EPA PM2.5 Air Quality Standards Interactive Map by PurpleAir
The PurpleAir Flex is the latest air quality monitor from PurpleAir, measuring real-time PM2.5 concentrations for residential, commercial, or industrial use. Containing a full-color LED, the resulting glow indicates real-time air quality at a glance and can be installed indoors or outdoors.
Hyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
Watch: With two minute updates, The US EPA PM2.5 Air Quality Index (AQI) is a number used by US government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become.
Map Sensors Support
Browse average air quality from all over the world. Air quality data will update automatically and all data is from the last 10 minutes or so. Click on a place name to narrow down the scope or click on a column label to order by that parameter.
By purchasing a sensor, you have joined a worldwide network of people striving to better understand their air. You can now contribute to that network by setting up your device. Doing so will empower the community with high-quality, real-time data.
Names of countries, cities, roads, and more appear on the PurpleAir map as well as air quality data. The “Show Place Names on Top” option is used to choose whether or not these names should appear on top of the map markers or below.