The local environment authority said that the source of an unidentified smell around the Zhangjiang area of Pudong New Area was a nearby bridge being treated with waterproofing materials.
Some microblog posters had complained online Monday afternoon about a stench near Guanglan Road.
They also posted a screenshot of a text message sent to employees of a multinational chemical corporation that allowed them to go home hours earlier.
Landmark building should respect the public's feeling