这是12月20日拍摄的济南市泉城广场，当日12时，泉城广场的PM2.5数值为0.226mg/m?。自12月20日起，山东省环保厅在山东环境网站发布全省城市环境空气质量和省控重点河流水质监测信息。其中，ＰＭ2.5、大气能见度等新监测指标的数据情况也在公布之列。据山东省环保厅介绍，这次空气质量发布覆盖全省17个设区城市的144个监测点位，发布内容为各点位二氧化硫、二氧化氮、PM10、PM2.5、臭氧、一氧化碳等6项指标的实时小时浓度值、最近24小时浓度均值（臭氧为最近8小时浓度均值）、AQI指数（空气质量指数）和代表区域，并根据实际空气质量类别提供出行建议。新华社记者 郭绪雷 摄     This is December and take on quancheng square of jinan,Day 12 when,Quancheng square PM2.5 numerical is 0.226 mg/m?.Since December and date,Shandong province HuanBaoTing in shandong province environmental website city ambient air quality and provincial control key river water quality monitoring information.the,PM2.5/Atmospheric visibility and other new monitoring index data was released in the column.According to HuanBaoTing in shandong province is introduced,The air quality by covering the whole province 17 cities divided into districts of the city of 144 monitoring points,For each point issued the content of sulfur dioxide/Nitrogen dioxide/PM10 readings - which were taken/PM2.5/ozone/6 indicators such as carbon monoxide, real-time hours density/Recently the mean concentration of 24 hours(Ozone concentration for the last eight hours mean)/AQI index(Air quality index)And representative area,And according to the actual air quality categories provide travel advice.The xinhua news agency GuoXuLei perturbation

    这是山东环境网站上实时发布的泉城广场PM2.5数值（12月20日摄）。新华社记者 郭绪雷 摄     This is shandong environment on the web site of the real-time release quancheng square of PM2.5 numerical(December and taken,).The xinhua news agency GuoXuLei perturbation