山东省环境空气质量形势预报(2023年2月16日—2月24日),空气质量,大气环境-环保在线
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山东省环境空气质量形势预报(2023年2月16日—2月24日)
2023-02-17 07:30:11来源:山东环境 阅读量:5157
导读:山东省生态环境厅16日发布2月下半月空气质量形势预报,内陆地区以良至轻度污染为主,部分可能出现轻至中度污染过程。
总体形势
16日、21-22日,扩散条件一般,内陆地区以良至轻度污染为主。17-20日、23-24日,湿度增大,内陆城市可能出现轻至中度污染过程,其中18日本地累积叠加污染物区域输送,个别城市可能达到重度污染。鉴于气象条件的不确定性较大,2月18日-24日具体形势有待临近研判。
2月16日
500hPa受西北气流控制,850hPa温度升高,地面受高压后部偏南风控制,湿度稍有升高,扩散条件一般。预计,全省以良至轻度污染为主,首要污染物为PM2.5。
2月17日
500hPa转槽控制,850hPa温度先升高后降低,地面受高压后部偏南风控制,夜间风速逐渐减小,湿度增大,扩散条件转差。预计,鲁西北地区以轻至中度污染为主,其他地区以良至轻度污染为主,首要污染物为PM2.5。
2月18日
500hPa转槽前,850hPa温度持平,地面由倒槽转弱高压前部,风速较小,湿度增大,本地累积叠加污染物区域输送,污染加重。预计,半岛、鲁南沿海地区以良至轻度污染为主,其他地区以轻至中度污染为主,个别城市可能出现重度污染,首要污染物为PM2.5。
2月19日
500hPa转槽后,850hPa温度降低,地面由偏北风转偏南风控制,早间湿度较大,部分城市可能出现短时重度污染,午后偏北风风速稍有增大,东部地区污染有所缓解,西部地区污染缓解有限。预计,半岛、鲁西北东部、鲁东南地区以良为主,鲁西北西部、鲁西南地区以轻至中度污染为主,其他地区以良至轻度污染为主,首要污染物为PM2.5。
2月20日
500hPa槽加深,850hPa温度降低,地面受高压底部东北风影响,北部地区污染缓解,南部地区湿度较大,污染缓解有限。预计,半岛、鲁西北东部、鲁中东部、鲁南沿海地区以优良为主,鲁南其他地区以轻度污染为主,个别城市可能达到中度污染,其他地区以良至轻度污染为主,首要污染物为PM2.5和PM10。
2月21日
500hPa转槽控制,850hPa温度持平,地面受高压影响,湿度下降,扩散条件转好。预计,半岛、鲁西北东部、鲁中东部、鲁南沿海地区以优良为主,其他地区以良至轻度污染为主,首要污染物为PM2.5和PM10。
2月22日
500hPa受西北气流控制,850hPa温度升高,地面受地形槽影响,日间湿度较低,夜间西部地区湿度稍有升高。预计,鲁西北西部、鲁西南地区以良至轻度污染为主,其他地区以良为主,要污染物为PM2.5和PM10。
2月23日
500hPa受西北气流控制,850hPa温度升高,地面处于弱气压场,风速较小,早晚湿度稍有升高,扩散条件转差。预计,鲁南其他地区、鲁中南部地区以轻至中度污染为主,其他地区以良至轻度污染为主,首要污染物为PM2.5。
2月24日
500hPa等高线稀疏,850hPa温度升高,地面受高压后部偏南风控制,风速稍有增大,湿度稍有下降,扩散条件一般。预计,鲁西北地区以轻至中度污染为主,其他地区以良至轻度污染为主,首要污染物为PM2.5。
编辑:孙鲁军
原标题:山东省环境空气质量形势预报(2023年2月16日—2月24日)
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