NASA in Oct 2 nia ai suahhnak zuk ah a san (Red) khiah Ozone tam ber umhmun i. A var (White) hmun khiah Ozone hnawm teng hmun i. Ozone kua heh California ram hnakin a let 5 dung in kau le minung te in record naihnak hmuah ah a ngaw ber i. Ozone umhmun heh lailung ah 15 – 35 kilometer dung ah umh i. He Ozone in nunghing le hampa te ca laukulhnak Ni an tleu phunkhat Ultra Violet Ray (UV-Ray) tihnak khamtu i. He UV-Ray in minung tiksa vun ah Cancer cang ruai thil i.
Ozone umhmun kua heh 1980 kum dung in pan zo i.
Nikhua rai ze dap fangin Ozone heh hnawm de tiin mithiam te in reel i. Tun kum heh tun hlan hnakin Ozone hnawm cak ber ti i. Mithiam te in tun hlan hnakin tun kum heh khua a dap daan heh ni 30 in rai deuh ti i.
He thula zingzoitu mithiam heh Canada ram ai mithiam te i. Mi 3 song ai 2 heh Toronto ai mi i.