Ozone pollution results in crop losses.

臭氧造成农作物减产。

Summer ozone pollution is becoming a problem nationwide, said China Daily.

据《中国日报》报道，夏季臭氧污染已经成为全国性问题。

Carbon monoxide is also one of the chemicals that create ozone pollution and urban smog.

一氧化碳也是产生臭氧污染和城市雾霭的化学物质之一。

Hazardous ozone pollution days in the Eastern U. S. could increase 60 percent by 2050.

危险臭氧的污染天美国东部可能增加百分之六十，到2050年。

Its most important feature: no ozone pollution residues and secondary disinfection purification process.

其最大特点是：臭氧在消毒杀菌净化的过程中无任何残留物及二次污染。