Assessment and Study of Environmental Air Quality of 2014-2016 in Lhasa
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Abstract:
In this paper, the monitoring results and trends of six air pollutants including SO2, NO2, PM10, PM25, CO, O3 in Lhasa from 2014 to 2016 are analyzed and evaluated.In addition, the main factors affecting the quality of Lhasa’s atmospheric environment are also discussed. The results are as follows: (1) the main pollutants in the urban area of Lhasa were mainly PM10, followed by O3; (2) the content of SO2 and CO in the atmospheric environment decreased year by year during the observation period; however, the content of NO2 in the atmospheric environment over Lhasa showed a trend of increasing year by year during these three years; (3) the ratio of PM25/PM10 in the atmospheric environment of Lhasa was obviously low, indicating that the main influencing factors of atmospheric environmental quality in Lhasa are natural factors.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.