幫我....看文法對不對 - 空氣污染

空氣污染指數是根據量度空氣中五種污染物所得的數據計算出來的，這五種污染物是：氧化氮、二氧化硫、臭氧、一氧化碳及可吸入的懸浮粒子。
甚麼是路邊空氣污染指數？它和一般空氣污染指數有甚麼分別？
路邊空氣污染指數提供繁忙街道旁的污染水平，而一般空氣污染指數代表了我們大部份時間所接觸的空氣污染情況。因為路邊的監測站接近汽車廢氣排放源頭，因此量度的指數自然較一般指數高。
The air pollution index is according to measures in the air five kind of pollutant obtained data to calculate, these five kind of pollutant are: The nitrogen oxide, the sulphur dioxide, the ozone, the carbon monoxide and inhalable suspended particles.
What is the roadside air pollution index? What differences do it and common air pollution index have?The roadside air pollution index provides nearby the busy street , but the common air pollution index has represented the air pollution situation which major part time contacts. Because the roadside inspection station approaches the vehicle waste gas to discharge the source, therefore measures the index comparatively general index is naturally high.