Heavy fog enveloped east China's Shandong Province Saturday morning, causing highway closures and flight delays.

A total of 80 highway toll stations were closed and 16 fights to Shanghai, Beijing, Chongqing and Guangzhou were delayed or canceled at the provincial capital's Jinan International Airport as of 9 a.m.. A flight to Guangzhou at Yantai International Airport was also delayed.

A heavy fog with a visibility of less than 500 meters hit many parts of the province Saturday after several days of snowstorm. Two people were killed and 1.39 million people were affected in the blizzard from Wednesday to Friday, according to the provincial civil affairs department.

Heavy snow unseen in decades has left 19 people dead in north and central China since Monday, the Ministry of Civil Affairs announced Friday.