2020年1月呼和浩特市雾霾天气的气象成因分析

韩仙桃, 佟彤, 姜佳玉, 王俊秀, 赵毅勇

Meteorological cause of haze weather in Hohhot in January 2020

HAN Xiantao, TONG Tong, JIANG Jiayu, WANG Junxiu, ZHAO Yiyong

图4 2020年1月呼和浩特市逐小时2 min平均风向、风速及AQI极坐标图

Fig.4 Polar diagram of hourly AQI, 2-minute mean wind direction and wind speed in Hohhot of Inner Mongolia in January 2020