Luftdaten.info is a project of OK Lab Stuttgart. It builds its own fine particle sensors, publishes construction instructions and collects the measured data centrally. The low-cost devices record data on air temperature and humidity, fine dust, noise and other parameters.
daily
usually minutes
88.447 Stations 193.458 Sensors
Data provided by luftdaten.info under Database Contents License (DbCL) v1.0 (https://opendatacommons.org/licenses/dbcl/1.0/)