Aire de MADRID is a free Android app developed by Ayuntamiento de Madrid that allows users to monitor the real-time air quality in the city of Madrid. The app disseminates information through quality indices and numerical data recorded at each measurement point for each contaminant. It is updated hourly with data provided by the monitoring system of air quality of the City of Madrid.

In addition, the app features a prediction section that provides expected air quality for today and tomorrow. The "Econsultas" section is a practical and simple guide with advice and recommendations for users to improve air quality in Madrid. The "Contaminants" section presents information about the main pollutants, their behavior, and the legal limits. Aire de MADRID is an excellent tool for anyone interested in monitoring air quality in Madrid.