Why is the weather gray in Chuzhou city, Anhui province these two days?

As a Chuzhou person, I don't want to mention it, but I can't, I guess.

1, caused by burning straw in a large area. . Chuzhou City is one of the most serious places of straw burning in Anhui Province. It has been treated many times and the effect is not good. Recently, crops planted in spring, such as rape and wheat, have been harvested. In order to save trouble, farmers directly burn straw in the field, causing large-scale air pollution. . The day before yesterday, Chuzhou City also held a special meeting to comprehensively deploy the straw burning ban and comprehensive utilization this summer, and informed the recent straw burning ban in the city. .

This has something to do with the recent weather. Recently, the temperature is relatively high, and it rained only a few days ago, which is gloomy and sultry. .