The Beijing Huijia Private School is located in the Zhongguancun Scientific & Educational Park, in the northern part of Beijing, which belongs to the warm temperate zone, semi-humid continental monsoon climate, it has clear four seasons. School enjoys a unique geographical advantage, surrounded by mountains and rivers, especially air quality is excellent, which is named natural oxygen bar.
Air Quality (Critical Pollutants PM 2.5）
Advanced PM 2.5 monitoring equipment is equipped with, PM 2.5 value of indoor and outdoor on campus is checked twice a day in the morning and afternoon, in order to supply effective guidance for students’ outdoor activities.
PM is short for particulate matter. PM 2.5 is referred to the airborne particles, whose diameter is less than or equal to 2.5 micron. They can pose health risks since they are also known as particulars which can go directly to the alveoli. Fossil fuels (coal, oil, etc.) combustion and garbage burning are the most important sources of PM 2.5, besides passive smoke. PM 2.5 contains a large number of poisonous and harmful substances, has longer residence time in the atmosphere, and longer transmission distance, etc., which has a strong impact on air quality, visibility and human health.