景德镇市空气质量特点及环境气象条件评估

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Abstract In order to study the characteristics of air quality in Jingdezhen City and its relationship with environmental meteorological conditions,this article uses air quality monitoring data and meteorological monitoring data,adopts principles and analysis methods of meteorology and environmental meteorology,analyzes the air quality in Jingdezhen City from 2015 to 2023,and evaluates the environmental meteorological conditions in January 2024 and January 2023.The results show that the air quality in Jingdezhen City has been improving year by year,with an annual air quality index excellent rate of over 90% and a exceedance rate of 0.3% to 9.6%.In January 2024,the air quality in Jingdezhen City increased by 3.45 percentage points compared to the same period in 2023,the PM_2.5 mass concentration decreased by 6.44% year-on-year,and the PM₁₀ mass concentration decreased by 21.52% year-on-year.The main reasons were excessive precipitation,low temperature,high relative humidity,and preference for atmospheric diffusion and rain washing conditions year-on-year.According to the calculation of Parameters Linking Aerosol Pollution and Meteorology (PLAM) and Evaluation on meteorological condition index of PM_2.5 pollution(EMI),it is shown that the meteorological diffusion conditions in Jingdezhen City in January 2024 are better than those in January 2023,and the emissions in Jingdezhen City and surrounding areas have slightly increased.It is hoped that the research results can provide reference for urban planning,tourism development,and meteorological services in Jingdezhen City.

Key words： Jingdezhen,Jiangxi air quality characteristics evaluation of environmental meteorological conditions

Received: 06 August 2024

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	Articles by authors
	Chen Baofa
	Ji Wei
	Wang Junjie

Cite this article:

Chen Baofa,Ji Wei,Wang Junjie. Characteristics of air quality and evaluation of environmental meteorological conditions in Jingdezhen City[J]. Meteorological Hydrological and Marine Instrument, 2024, 41(5): 87-90.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2024/V41/I5/87

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