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本文对合肥市居住区大气中颗粒物污染现状进行了调查。调查结果表明,城市居住区大气中颗粒物总平均浓度0.73mg/m~3,昼夜变化呈现一个高峰,一个低峰。小于5μm可吸入颗粒物平均浓度0.267mg/m~3,昼夜变化呈现一个高峰,二个中峰,一个低峰。对照点天柱山宾馆明显低于城市居住区。
This article investigates the present situation of particulate matter pollution in the residential area of Hefei City. The survey results show that the total average concentration of particulate matter in the urban residential area is 0.73 mg / m ~ 3, showing a peak and a low peak in diurnal variation. The average concentration of respirable particulate matter less than 5μm was 0.267mg / m ~ 3. The diurnal variation showed a peak, two middle peaks and one low peak. Control points Tianzhushan hotel significantly lower than urban residential areas.