Air quality. Real-time data

The Comprehensive Air Quality System of the City of Madrid allows to know at all times the levels of air pollution in the municipality. In this data set you can get the updated information in real time, updating this data every hour, and this update will be done between 20 and 30 minutes. Important: these real-time data are those that automatically leave the measuring stations and are pending review and validation. See the ‘Air Quality Data Interpretation’ file below in the ‘Associated Documentation’ section. Other datasets related to air quality are also available on this portal: Air quality: Schedule data since 2001 Air quality: Daily data since 2001 Air quality: Control stations as well, you can find more information about this data in the Transparency Portal & It’s air. You can also consult the air quality data on the Map of the Network Monitoring Air Quality of the City of Madrid