Traditional Culture Encyclopedia - Weather forecast - The weather in Zhu Rihe.

The weather in Zhu Rihe.

The research shows that there are three main paths for dust to affect Beijing. The first path is the sandland area in Shandake, Inner Mongolia-Heihe River Basin in Hebei-Beijing area; The second path is Zhu Rihe in Inner Mongolia-Yanghe River Basin in Hebei-Yongding River Basin in Beijing; The third path is the Sanggan River Basin in Hebei Province-Yongding River Basin in Beijing.

So choose: a.