ereyga "ozonosphere" lagama helo inta badan qaamuusyada caadiga ah. Si kastaba ha ahaatee, waxa suurtogal ah in ereyga loo isticmaalo meelo farsamo ama cilmiyeed gaar ah. fiirsashada sare ee molecules ozone (O3). Lakabkani waxa uu ka caawiyaa in uu ka nuugo shucaaca ultraviolet ee waxyeelada leh ee ka imanaya Qorraxda, isaga oo ka ilaalinaya nolosha dhulka waxyeelladiisa. Erayga "ozonosphere" waxa loo isticmaali karaa macne ahaan lakabka ozone, inkasta oo aanu ahayn erey si weyn loo aqoonsan yahay.