Could be of some interest

The cantons have launched the smartphone application "Aircheck" in collaboration with the Swiss League against Cancer and the Swiss Lung League. Developed by the canton of Ticino, the application is available on mobile iPhone and those running Android. It delivers real-time data on air quality in Switzerland and Liechtenstein. The introductory period is not a coincidence: in winter, the fine dust limits are regularly exceeded.

"Aircheck" informs you at any time and anywhere on the air quality in Switzerland
The new application "Aircheck" created by the actors Swiss air quality book in real time information on current air pollution in Switzerland and Liechtenstein. It is possible to learn about the air quality in any location via a virtual map. The application displays the nationwide index of air pollution, which is composed of fine dust pollution, ozone and nitrogen dioxide, it also provides access to data stations measure cantonal and national monitoring network. "Aircheck" also provides information on the sources of air pollutants and their impact on health. "Aircheck" also indicates how they can help improve air quality and provide advice on measures to be taken in case of worsening air pollution.

The application can be downloaded free of charge "Aircheck" in App Store (iPhone) or GooglePlay (Android).

source in French (Geneva official website)