publication . Article . 2017

A Fuzzy Expression Way for Air Quality Index with More Comprehensive Information

Yulin Han; Mingxuan Zhao; Yujie Wang; Jian Zhou;
Open Access English
  • Published: 09 Jan 2017 Journal: Sustainability (issn: 2071-1050, Copyright policy)
  • Publisher: MDPI AG
Abstract
The Air Quality Index (AQI) is an evaluating indicator for the atmospheric environment released by various environmental monitoring centers to communicate the present air quality status to the public, which is calculated by the aid of the monitored concentrations of six common air pollutants and relevant computational formulae. Considering that the historical data of daily overall AQI illustrated by the traditional expression way merely contain limited information about the original data, this paper puts forward a more concrete and intuitive way to express the air quality in the past day. By analyzing the data concerning individual air quality indices of polluta...
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doi: 10.3390/su9010083
Subjects
free text keywords: Air Quality Index, weighted arithmetic, fuzzy expression way, Gaussian fuzzy number, Environmental effects of industries and plants, TD194-195, Renewable energy sources, TJ807-830, Environmental sciences, GE1-350, Environmental monitoring, Line chart, Curve fitting, Membership function, Fuzzy number, Gaussian, symbols.namesake, symbols, Engineering, business.industry, business, Operations research, Fuzzy logic, Operations management
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