nitrogen oxides (NOx) 氮氧化物

nitrogen oxides (NOx)
繁：氮氧化物
简：氮氧化物

2014年香港主要空氣污染物的排放總量為31,710公噸二氧化硫、109,570公噸氮氧化物、5900公噸可吸入懸浮粒子、4600公噸微細懸浮粒子、27,020公噸揮發性有機化合物，及65,930公噸一氧化碳。

2014年污染物排放減　氮氧化物排放量最高（2016年5月31日）。on.cc東網，取自 http://hk.on.cc/hk/bkn/cnt/news/20160531/bkn-20160531140752244-0531_00822_001.html

Concentrations of nitrogen oxides in the air in Hong Kong have consistently surpassed maximum safe levels set by the World Health Organisation in the last five years, with average roadside emissions in Central, Causeway Bay and Mong Kok nearly 2.5 times higher, according to a mid-year review by a concern group.

Hong Kong air pollution still far exceeds WHO levels and worsening, concern group finds. (2016, July 13). South China Morning Post. Retrieved from http://www.scmp.com/news/hong-kong/health-environment/article/1989429/hong-kong-air-pollution-still-far-exceeds-who