Although every city and concentration of pollutant and air pollution on human health threat level, but some major aspects of the same, but on air quality detection technology needs more and more.

• 尽管各个城市里污染物的组成和浓度以及空气污染对居民健康的威胁程度有所不同，但某些主要方面却大同小异，因此对空气质量检测技术的需要越来越多。