雅思詞匯：霧霾怎么說

霧霾haze;

煙霧smog;

空氣污染指數(shù)air pollution index;

橙色預警orange alert;

懸浮顆粒物airborne particulate matter;

可吸入顆粒物inhalable particle;

有毒物質toxic substance;

空氣質量檢測air quality monitoring;

實時發(fā)布PM2.5數(shù)據(jù)release real-time PM2.5 data