According to this news report, Shanghai is the warmest in years.
I don't doubt that the city is warmer, I doubt that it has anything to do with anthropogenic global warming.
Perhaps the authors of the article have never heard of urban heat island effect?
By the way, the type of reporting in this article is part of a long-standing trend, in which a mysterious "report" is cited as a source for a story. Yet, the name, authors, and date of publication are left to the imagination of the reader.
How is it that we can verify the data from this report is consistent with the story? Does the report even exist?