During the rainy season, many areas in the south have already experienced rainy weather. According to the forecast of the China Meteorological Observatory, in the next few days, most of the south will have more rainfall, while the north has more process rainfall.  

In the coming week, the accumulated rainfall in Jianghan, Jianghuai, Jiangnan, central and eastern China, Sichuan Basin and central and eastern Guizhou will be 50-80 mm. Among them, parts of Jiangnan, northern China, eastern Guizhou and Jianghan will be 90-150 mm. More than 200 mm in some areas, the cumulative rainfall is more than 50% to more than 1 year.

Heavy rains have a lot of maintenance problems for outdoor pools. The open space will not only have the surface area water, but also the rainwater flowing into the pool. When the rainwater and the pool water are merged, the water quality also changes. At this time, the pool water has potential safety hazards to human health; therefore, the outdoor pool is After the heavy rain, the chemical shock treatment of the pool water must be carried out, which is also the regulation of the swimming pool water quality standard CJ 244/T-2016.