Introduction of pollution weather types in northern China

Pollution weather types were summarized in this paper,and they were divided into sand dust weather and air quality weather.Mongolia cyclone became the main weather system caused sand storm in northern region of China,followed by southerly air-dry cold front weather systems.The higher concentrations of atmospheric pollutants were controlled by ground high pressure weather systems.It was indicated that the research emphasis of weather types should form weather forecast model of automatic operation based on weather types.