沙尘就是个自然现象，就因为吹到了人口聚集区才被人称作ZaiHai。其实刮完沙尘，除了车脏点。。空气质量会比之前更好。北方刮沙尘是很正常的，只不过今年波及范围大了次数多了。有些网民因为沙尘就断定北方不适宜居住，这话就很滑稽。
等过一两个月，不让说的地方刮起台风来再说。
相比台风，我国的沙尘对人民生命财产安全的威胁小很多。

Dust is just a natural phenomenon, which is called as a disaster only because it is hitting populated areas.
In fact, after scraping dust, in addition to the obtained dusty cars..the air quality will be better than before in practice. It is normal to blow sand and dust in the north, but it has affected the larger regions quite many times this year.
Some netizens have concluded that the north is uninhabitable because of the dust, which is hilarious.
Just waiting for a month or two, until the typhoon blows in some provinces, what would they say then?
Compared with typhoons, dust in China poses much less threat to the safety of people's lives and property.

沙尘以pm10为主，工业排放以pm2.5为主，两个概念