Partners Cities: Prague
Background information about the city
Prague is the capital and the biggest city of the Czech Republic. Into its present-day shape it has been developing for eleven centuries. Nowadays it covers a total area of 496 square kilometres with 1,187,000 inhabitants.
Prague is built on both banks of the Vltava river which runs through the city in the length of 30 km. Due to this has Prague rather rugged topography. The average elevation is 235 m above sea level. Between maximum (399 m) and minimum (177 m) altitude is the difference more then 200 m.
The climate of Prague is mild. The average yearly air temperature in Prague reaches 9°C. The highest daily temperatures could reach more then 30°C during summer time. During winter the lowest temperatures could be lesser then -20°C. The yearly rainfall is about 680 mm.
Prague belongs between the most polluted areas in the Czech Republic. Emission production of the most of pollutants were decreased in last years however the air quality is still the biggest problem of Prague's environment. The main source of air pollution comes from traffic, which can by hardly regulated. The number of cars per 1000 inhabitants in Prague grew twice time from 1990 to 2000.
Because of the bad ventilation conditions of Prague relief and big traffic emissions are exceeded the limits for health protection of the suspended particulate matter, nitrogen dioxide, carbon monoxide, ground-level ozone and benzene. The limits are exceeded in 28% of the city area.
Department of Environment, Division of Air Quality Protection at City of Prague is responsible for management of air quality in Prague. This department monitors the emissions and air pollution, orders the permissions and restrictions.
The Prague City Council in cooperation with the Czech Hydrometeorological Institute (CHMI) guaranteeing the Air Quality Monitoring. They operates network consisting of 13 automatic monitoring stations. The data on air pollution are evaluated and on-line available for the city administration and public on the website PREMIS. Monitoring data and data on other sources of pollution are integrated into the regular biannual off-line modelling of the ambient air quality and published in the yearly books of environment of Prague.
CHMI operates the Airviro system for near real-time air quality modelling. Maps of concentrations of main pollutants are available also on the web, updated each hour.
Planned activities and expected results
City of Prague would assess impacts of the implementation of different measures for improving the air quality, which are included into Strategic plan for Air Quality Protection in Prague. Sharing the experience with the other partner cities will contribute to efficient air quality management.