北京-天津-河北地区面临严重的空气污染,有10个城市的PM2.5水平大幅上升。 Beijing-Tianjin-Hebei region faces severe air pollution, with PM2.5 levels spiking in 10 cities.
南方风使北京-天津-河北地区南部自星期四以来,由于风力微弱、湿度高和温度回流,使中部地区免受空气污染的影响。 A southern wind has protected the south of the Beijing-Tianjin-Hebei region from air pollution affecting central areas since Thursday, due to weak wind, high humidity, and temperature inversion. 到星期六,该地区有10个城市的PM2.5含量较高,Shijiazhwang记录到每立方米150微克。 By Saturday, 10 cities in the region showed high PM2.5 levels, with Shijiazhuang recording 150 micrograms per cubic meter. 促成因素包括及早取暖、工厂运作和增加卡车运输。 Contributing factors include early thermal heating, plant operations, and increased truck movement. 随着寒冷战线的进入,预计污染会向南转移,到星期日就会缓解。 As cold fronts move in, pollution is expected to shift south and ease by Sunday.