The Czech Hydromoteorological Institute is a central State institute of the Czech Republic in the fields of air quality, hydrology, water quality, climatology, and meteorology.

The object of CHMI's activity in the above fields is the following:

• integrate the performance of public service in a rational, efficient and economical manner,
• establish and operate monitoring stations with the aid of a telecommunications network (national networks for monitoring the atmosphere and hydrosphere both qualitatively and quantitatively and for establishing the reasons underlying their pollution or damage),
• process in an expert manner the results of observations, measurements and monitoring,
• create and maintain data bases,
• provide information on conditions, characteristics and regimes,
• provide forecasts and warnings,
• carry out and coordinate scientific and research activities.