The project will provide comprehensive monitoring of the state of air pollution, prepare expert bases for decision-makers to plan and monitor the implementation of policies and measures to improve air quality in accordance with the requirements of the Slovenian and EU acquis, and warn citizens about ambient air pollution and inform them about the quality of precipitation. The project will expand the network of fixed measuring points for ambient air quality, establish automatic measurements of mercury, upgrade measurements for monitoring ambient air quality - carbon measurements, renew the network for monitoring precipitation quality, set up a mobile station and alert citizens about ambient air pollution on mobile devices.