Ozone is not made in nature?

Study

I heard that ozone generated by some air purifiers is very bad for your health, so it is not artificially generated, but not made in nature?

150 3 8 years ago

pu1. In nature, a small amount exists in the stratosphere of the EarthAll right.
http://100.daum.net/encyclopedia/view/b16a1265a

2017-12-23

pu2. Energy such as ultraviolet rays, X-rays, and cathode rays is also formed when passing through the atmosphere, so it exists in the atmosphere in areas rich in ultraviolet rays such as mountains, coasts, and forests, making the air feel fresh
http://100.daum.net/encyclopedia/view/153XXXXXX363...

2017-12-23

pu3. Thank you!

2017-12-23

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