Raws li lub teb chaws rau kev lag luam iav txuag hluav taws xob thiab txo cov pa phem, muaj peev xwm ntau dhau nyob rau hauv kev saib xyuas ntawm kev ua lag luam rau ntau yam kev txhawj xeeb loj hlob. Tam sim no, feem ntau ntawm cov tub ua lag luam thiab cov neeg ua lag luam paub txog kev lag luam iav tsawg dua, raws li kev mus ntsib tsis ntev los no qhov tob ntawm kev tshawb fawb thiab kev taug qab kev tshawb fawb, kev tshuaj xyuas luv luv ntawm kev txhim kho tam sim no ntawm kev lag luam iav, kom peb nkag siab zoo dua txog kev lag luam.

Cov lag luam faib iav hauv Suav teb feem ntau faib rau hauv Liaoning, Hebei, Shandong, Jiangsu, Zhejiang, Guangdong, Fujian, thiab lwm yam. Tam sim no muaj ib feem ntawm cov kab ntau lawm hauv Inner Mongolia thiab sab qaum teb sab hnub poob thiab sab hnub tuaj. Cov yam ntxwv ntawm iav nws tus kheej tsis khov kho thiab kev txwv ntawm kev thauj mus los ua rau nws txoj kev muag khoom tuaj yeem faib ua kev lag luam hnyav hauv 300 km, 300 km los ntawm kev xaiv hom kev faib khoom, 800 kilometers deb.