has a humid subtropical climate (Cfa) according to the Köppen climate classification and receives enough precipitation during summer to avoid the Mediterranean climate (Csa) classification. The average precipitation in Tirana is about per year. The city receives the majority of precipitation in winter months, which occurs from November to March, and less in summer months, from June to September. In terms of precipitation, both rain and snow, the city is ranked among the wettest cities in the European Continent. Temperatures vary throughout the year from an average of in January to in July. Springs and summers are very warm to hot often reaching over from May to September. During autumn and winter, from November to March, the average temperature drops and is not lower than . The city receives approximately 2500 hours of sun. Urbanism In September 2015, Tirana organized its first vehicle-free day, joining forces with numerous cities across the globe to fight against the existing problem of urban air pollution. This initiative resulted in a considerable drop in both air and noise pollution, encouraging the Municipality to organise a vehicle-free day every month. The city suffers from problems related to overpopulation, such as waste management, high levels of air pollution and significant noise pollution. Over the last decades, air pollution has become a pressing concern as the number of cars has increased. These are mostly 1990s and early 2000s diesel cars, while it is widely believed that the fuel used in Albania contains larger amounts of sulfur and lead than in the European Union. Effective 1 January 2019, the government has imposed an import ban of used vehicles made prior to 2005 in an effort to curb pollution, encourage the buying of new cars from certified domestic dealerships, and to improve overall road safety. Another source of pollution are PM10 and PM2.5 inhaled particulate matter and NO2 gases resulting from rapid growth in the construction of new buildings and expanding road infrastructure. Untreated solid waste is present in the city and outskirts. Additionally, there have been complaints of excessive noise pollution. Despite the problems, the Grand Park at the Artificial Lake has some effect on absorbing CO2 emissions, while over 2.000 trees have been planted around sidewalks. Works for four new large parks have started in the summer of 2015 located in Kashar, Farkë, Vaqarr, and Dajt. These parks are part of the new urban plan striving to