SmogAlarm application provides a public benefit corporation Clear skies www.cistenebe.cz. Displays data about air quality, gathered from monitoring stations recorded by the Czech Hydrometeorological Institute. Stations are displayed in the list, which can be ordered by pollution, distance or alphabets. The selected channels are shown hourly PM10 dust concentration, ozone, sulfur dioxide, carbon monoxide, nitrogen dioxide, general air quality index and the development of these quantities in the last 12 hours. There is a map of the stations. Part of the application are also widgets (1x1) to the desktop, which displays the selected air quality stations. User can choose favorite station. When these limits are exceeded warning stations had come.