这里空气污染的问题很严重。

Zhèlǐ kōngqì wūrǎn de wèntí hěn yánzhòng.

The air pollution problem here is very serious.

这里水质污染指数很高。

Zhèlǐ shuǐzhì wūrǎn zhǐshù hěn gāo.

The water pollution index here is very high.

政府正在采取措施解决空气污染的问题。

Zhèngfǔ zhèngzài cǎiqǔ cuòshī jiějué kōngqì wūrǎn de wèntí.

The government is currently adopting measures to solve the air pollution problem.