Mists are common in the cooler months, especially along the banks of the Maritsa.
On average there are 33 days with mist during the year.
This happened with the help of the Municipal Foundation "Plovdiv 2019″ - a non-government organization which was established in 2011 by Plovdiv's City Council.
On 4 January 1878, Plovdiv was liberated from Ottoman rule by the Russian army.
It remained within the borders of Bulgaria until July of the same year, when it became the capital of the autonomous Ottoman region of Eastern Rumelia.
The oldest American educational institution outside the United States was founded in Plovdiv in 1860, which was later moved to Sofia – today's American College of Sofia.
On 5 September 2014, Plovdiv was selected as the Bulgarian host of the European Capital of Culture 2019.
The main objective of the foundation is strategic development and implementation of the bid book.
"town of villains") in pejorative relation to the conquest by king Philip II of Macedon, who is said to have settled 2000 men, false-accusers and witnesses, sycophants, lawyers, and other possible bad mean.
It is said to be one of the oldest cities in the world.
later being invaded by Persians, Greeks, Celts, Romans, Goths, Huns, Bulgarians, Slav-Vikings, Crusaders and Turks.
The wettest months of the year are May and June, with an average precipitation of 66.2 mm (2.61 in), while the driest month is August, with an average precipitation of 31 mm (1.22 in).
Gentle winds (0 to 5 m/s) are predominant in the city with wind speeds of up to 1 m/s, representing 95% of all winds during the year.
Plovdiv sometimes experiences very hot days which are typical in the interior of the country. Autumn starts in late September; days are long and relatively warm in early autumn. The frost season ends in March or in April at the latest.