一般(ban)來(lai)說,空(kong)(kong)(kong)氣(qi)凈化(hua)器能夠吸附、分解或轉(zhuan)化(hua)各種空(kong)(kong)(kong)氣(qi)污染物,諸如PM2.5、粉(fen)塵、花(hua)粉(fen)、異味、甲醛(quan)之類(lei)的裝(zhuang)修污染、細菌、過敏原等等,從(cong)而有(you)效提高空(kong)(kong)(kong)氣(qi)清潔度(du)。而判斷一臺空(kong)(kong)(kong)氣(qi)凈化(hua)器有(you)沒有(you)用、好不好用,主要看四大硬(ying)性指(zhi)(zhi)標(biao)(biao)(biao),即(ji)風機風量指(zhi)(zhi)標(biao)(biao)(biao)、凈化(hua)效率(lv)指(zhi)(zhi)標(biao)(biao)(biao)、能效比(bi)指(zhi)(zhi)標(biao)(biao)(biao)、安全性指(zhi)(zhi)標(biao)(biao)(biao),這也是(shi)衡量一個空(kong)(kong)(kong)氣(qi)凈化(hua)器是(shi)否(fou)合格(ge)的重要標(biao)(biao)(biao)準。