宝鸡市千阳县环境空气质量评价研究

Evaluation Studies on Ambient Air Quality in Qianyang County Baoji City

以千阳县域为研究范围,依据GB3095-2012和HJ663-2013,对县城环境空气质量及变化趋势进行分析和评价,并对各乡镇环境状况进行比较排序。结果表明:千阳县县城2021年环境空气质量达标,近三年呈现好转趋势,环境空气质量相对较好的镇是城关镇和高崖镇;全县环境空气质量污染物主要有PM_(10)、PM_(2.5)和O_(3),尤其是PM_(10),需采取相应措施防治大气污染,从而为县域大气环境治理提供科学依据。

Purposes:Mastering the environmental air quality status of Qianyang County,Baoji City identifying the main influencing factors,and propose prevention and control measures.Methods:Taking the whole area of Qianyang County as the research scope,Evaluating the current situation and change trend of ambient air quality,and comparing and sorting out the towns in sequence.Results:The ambien air quality in Chengguan Town,where the county seat is located,has reached the standard,showing a trend of improvement in the past three years.Chengguan Town and Gaoya Town have relatively good ambient air quality.Conclusion:The pollutants to be concerned in the county are PM_(10),PM_(2.5)and O_(3)with the focus on PM_(10).Corresponding measures should be taken to prevent air pollution.