PurpleAir Companion

Monitor PurpleAir sensors of your choice, public or private.

PurpleAir Companion allows you to monitor multiple PurpleAir sensors, both public and private (ReadKey required for private sensors). Rapid updates at your fingertips.

Select sensors to be monitored from a Google Map. Sensor ID required only for private sensors.

No special permissions required. Location permission optional.

See the PM2.5 statistics (real time, 10 minute,... 1 week) provided by each sensor as raw measures mapped to AQI, as well as additional data from each sensor such as uptime, temperature, humidity. Refresh on-demand.

AQI definitions available with one tap to help decide if current conditions are healthy or dangerous.

More features in progress!