空气质素年报 meaning in Chinese
air quality annual report
Examples
- Epd disseminates information on the health impacts of major air pollutants through its website , air pollution index hotline , annual reports and pamphlets
（三）环保署的网站、空气污染指数电话热线、空气质素年报及宣传单张，均提供臭氧及其他主要空气污染物对健康影响的资料。