Analysis of Spatio-Temporal Variation Characteristics of Main Air Pollutants in Shijiazhuang City
نویسندگان
چکیده
Air pollution has become one of the important concerns environmental in Beijing–Tianjin–Hebei region. As an city Beijing–Tianjin–Hebei, Shijiazhuang long been ranked bottom ten terms air quality country. In order to effectively grasp influencing factors and current distribution City, this paper collects data on top pollutants from 2017 2019, analyzes characteristics time changes region, uses Kriging interpolation method affect area. The spatial are studied. results show (1) From City showed a decreasing trend except for O3. (2) Seasonal that NO2, PM2.5, CO as winter > autumn spring summer, PM10, SO2 O3 concentration summer winter. (3) daily change trends SO2, PM10 PM2.5 similar, while NO2 opposite. (4) correlations between index (AQI) concentrations suggest contribute most undesirable levels area, less pollution. We have concluded particulate controlled, thanks relevant measures introduced by government, but O3-based compound is gradually increasing, so need be treated together. research article practical significance urban or regional environment monitoring prevention.
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ژورنال
عنوان ژورنال: Sustainability
سال: 2021
ISSN: ['2071-1050']
DOI: https://doi.org/10.3390/su13020941