Previous studies have demonstrated links between lung function growth and regional air quality.

之前的研究显示了在肺功能发育与地区空气质量之间的关系。

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The public can view the Regional Air Quality Index for each monitoring station through the Internet.

公众可在网上检视每个监测站的区域空气质量指数。

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Known as the ceramics capital of south China, Foshan is often featured on regional air quality maps at the centre of the darkest circle of pollution.

佛山被称作中国南部的陶瓷之都，在当地的空气质量图上，这座城市经常出现 在最严重污染带的中心。

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Mr. PATRICK CUMMINS (Western Regional Air Partnership): The states in the West, in particular, have demonstrated their commitment to improving air quality over our national parks and wilderness areas.

NPR: E.P.A Proposes New Rules on Haze