1023空氣污染

 

（汽車、機器排出的）廢氣
exhaust fumes


「峽谷效應」
a "canyon effect"


PM2.5水平
PM2.5 levels


PM2.5污染
PM2.5 pollution


二氧化硫
sulphur dioxide


不會破壞臭氧層的
ozone-friendly (a)
ozone-friendly aerosols

不關掉引擎
leave engine idling


可吸入懸浮粒子
respirable suspended particulates


在空氣污染指數極高時留在室內
stay inside when the air pollution index reaches very high levels


收緊空氣指標
toughen air quality standards


把空氣質素評為極差
rated air quality as very poor


改善空氣污染情況
alleviate air pollution


每天公布珠三角空氣污染指數
issue daily air quality data for the Pearl River Delta


沙塵暴令首都的上空充滿灰塵。
A sandstorm fills the capital's skies with dust.


汽車污染
vehicular pollution


汽車排出濃煙量測試
emission tests


幸好昨天的空氣污染水平不是特別嚴重。
Thankfully, the air pollution levels were not especially bad yesterday.


直徑小於2.5微米的細懸浮粒子/懸浮顆粒/懸浮微粒、PM2.5
fine particulate matter known as PM2.5 because its particles are less than 2.5 microns across


空氣污染物
air pollutants


空氣污染指數
Air Pollution Index

 

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