每日雅思詞匯：霧霾天氣

　　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(zhì)toxic substance;

　　空氣質(zhì)量檢測air quality monitoring;

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