Shenzhen air quality in September ranked twelfth in the country rose by 1-demonophobia

Shenzhen air quality in September ranked twelfth in the country rose by an average of 1 in October 31st, Shenzhen Habitat Environment Committee (hereinafter referred to as the City Habitat Committee) issued the Shenzhen air quality bulletin in September. According to the September Ministry of Environmental Protection released the key areas and 74 City air quality situation, Shenzhen city environmental air quality index was twelfth, compared to the same period last year increased by 1; the average concentration of PM2.5 was twelfth, compared to the same period last year rose 5. September, Shenzhen air quality AQI range of 35~131, good days for 27 days. The PM2.5 concentration of 27 micrograms per cubic meter, down 2 micrograms per cubic meter; PM10 concentration of 42 micrograms per cubic meter, down 3 micrograms per cubic meter; SO2 concentration of 8 micrograms per cubic meter, an unchanged; the NO2 concentration of 30 micrograms per cubic meter, down 1 micrograms per cubic meter; the concentration of CO is 0.8 milli grams per cubic meter, an unchanged; the concentration of O3 was 70 micrograms per cubic meter, unchanged from the same period last year. In September 2016, haze days for 3 days, an increase of 3 days. 1-9 months, Shenzhen PM2.5 average concentration of 25 micrograms cubic meters, down by 3 micrograms cubic meters. Compared with the same period last year, in addition to O3, the concentration of other pollutants have decreased in varying degrees. Haze days accumulated 20 days, down 7 days. After the city meteorological and environmental research departments of statistical analysis, in September, Shenzhen, heavy rain and typhoon multi north wind frequency, the overall situation of pollution weather slightly worse than the same period last year. Embodied in the north wind frequency is high, affected by the regional transmission; by the late typhoon downdraft and weak cold air, the weather is stable, pollution diffusion conditions. In addition, in September the pollutant concentration appears at the beginning of the month at the end of the high low "characteristics. The middle and at the end of the month, the typhoon "Meranti" and "catfish" peripheral downdraft influence, 14 days and 26-28 days, Shenzhen city respectively the pollution concentration increased; 29-30, under the influence of a moderate intensity of cold air, pollutant concentration decreased rapidly. Among them, the city’s Administrative Region PM2.5 month low is Yantian District, Dapeng district and Futian District district; higher concentrations of PM2.5 with Guangming New District, Longhua district and Baoan District. Compared with the same period last year, Futian, Longgang, Yantian, Longhua and Dapeng new light, the concentration of PM2.5 have different rate of decline, the biggest drop in the Dapeng new, the largest increase for Luohu District and. Shenzhen evening news reporter Du Ting trainee editor responsible editor: GDN006相关的主题文章: