10.20 Is there smog in Qinhuangdao and Tianjin?

It is said that there is smog. Recently, there have been serious smog in Baoding, Beijing and Tianjin in Hebei. Therefore, it is better to take precautions so as not to endanger the health of yourself and your family. PM2.5 Suggestions: reduce travel, wear masks when traveling, and install purifiers at home to improve indoor air. It is understood that the ecological negative ions with small particle size and high activity generated by the Sino-German joint venture VIIYI Wei Yi products can naturally spread to far places without the action of fans or external forces, and combine with positively charged particles such as bacteria, dust and smoke in the air to gather into balls and fall, eliminating the harm of PM2.5