pollution index

常见例句

The problem is so bad that CNBC Asia even carries a pollution index with its weather reports.
这个问题如此严重，以至于CNBC亚洲台在天气预报中加入了污染指数。
The pollution index topped 100 at all three of the city’s roadside monitoring stations today, as it has every day since Dec. 20.
今天市区所有三个路边监测站的污染指数均已超过了100，从12月20日以来天天如此。
Air pollution in Beijing reached a high level of 99 on the Air Pollution Index on Friday as a sandstorm from the northwest shrouded the capital in dust, the China News Service reported.
据中国新闻社报道，北京市区13日遭遇了来自西北方的沙尘袭击，当天该市污染指数一度达到99。
www.chinadaily.com.cn

The heavy smog and haze that enveloped Beijing this weekend pushed the pollution index to a record high.
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But by U.S. standards, Utah's pollution index is off the charts with readings routinely exceeding a scale that tops out at 70 micrograms a cubic meter.
NPR: Sickening Fog Settles Over Salt Lake City Area
He and his colleagues have launched a new air-pollution index that he says captures health risks better than the official index, which has not kept pace with the latest science.
ECONOMIST: An encouraging appointment addresses an enduring problem