Ambient Air Quality Comprehensive Evaluation of Matter-Element Analysis Model Based on the Entropy Weights

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Abstract:

Because of the incompatible problems in single index weight ambient air quality previously, five pollution factors (PM10, SO2, NO2, CO, TSP) are chose for evaluation parameters, and then adopt the matter-element analysis model based on entropy weight, refer to the national standards of ambient air quality and compared with the traditional evaluation method, to make a comprehensive assessment of Huludao city in Liaoning province. The evaluation results showed that the study area ambient air quality isⅠlevel in summer, spring forⅡlevel, winter for Ⅲ level , the overall is good except for some area pollution is serious. The results are consistent with the conclusions of the gray system theory and fuzzy comprehensive index method.

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653-657

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January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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