Air quality indicator for sustainable development
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The air quality indicator is one of the 68 indicators of the Government’s Sustainable Development Strategy. It measures annual levels of pollution from particulates (PM10) and ozone (O3), the two...
空气质量指标(air quality indicator)是政府可持续发展战略涵盖的68项指标之一。该指标用于衡量颗粒物(PM10)与臭氧(O3)两类污染物的年度污染水平,二者为……



