Is there negative oxygen ion in Shanhaiguan climate?

The climate in Shanhaiguan has negative oxygen ions. Due to the adjustment of mountain vegetation and marine climate, the negative oxygen ion content in Shanhaiguan city air is 4000-5000 per cubic centimeter, while in Shihekou, the negative oxygen ion content is as high as 7000 per cubic centimeter, which is 20-30 times that of ordinary cities.

Shanhaiguan is located on the Bohai Sea in the northeast of China, east longitude 1 19 24' to 19 5 1', and north latitude 39 48' to 40 07'. It is an urban area of Qinhuangdao City. There is no heat in summer, no cold in winter, abundant rainfall and pleasant climate. The average annual rainfall is 736 mm, the maximum snow depth is 13 cm, the maximum freezing depth is 85 cm, and the average relative humidity of the air is 62%.

Negative oxygen ions:

Negative oxygen ions can sterilize. Under the action of cosmic rays, ultraviolet rays and lightning, air molecules will lose some electrons and ionize the air. Ionized electrons are called free electrons and have a negative charge. Oxygen in the air is more active and will combine with ionized electrons to form negative oxygen ions.

As a natural factor, negative oxygen ions can reverse the polarity of internal and external potentials of the virus and directly kill the virus. At the same time, it attracts positively and negatively with dust and other floating objects in the air, condenses into a ball and sinks into the ground, thus achieving the effects of sterilization and disinfection and purifying the air. Secondly, negative oxygen ions are called "longevity element" and "air vitamin", which have great effects on human health.