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字词 空气质量
释义 空气质量kōngqì zhìliàng指空气的清洁程度。检测空气质量的项目主要有二氧化硫、一氧化碳、臭氧、二氧化氮、可吸入颗粒物等。我国现将空气质量分为五级{air quality; cleanness of air. The major factors denoting air quality are the amounts of sulphur dioxide, carbon monoxide, ozone, nitric dioxide, inhalable particulate matter, etc. In China, air quality is divided into five grades}:
级别{Grade}:
{Grade I}; 空气污染指数{Air pollution index}:
050; 空气质量{Air quality}:
{Excellent}级别{Grade}:
{Grade II}; 空气污染指数{Air pollution index}:
50100; 空气质量{Air quality}:
{Good}级别{Grade}:
{Grade III}; 空气污染指数{Air pollution index}:
100200; 空气质量{Air quality}:
轻度污染{Lightly polluted}级别{Grade}:
{Grade IV}; 空气污染指数{Air pollution index}:
200300; 空气质量{Air quality}:
中度污染{Moderately polluted}级别{Grade}:
{Grade V}; 空气污染指数{Air pollution index}:
300以上{Above 300}; 空气质量{Air quality}:
重度污染{Seriously polluted}
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更新时间:2025/1/29 2:09:53