Rwom me yamo i West Covina, Los Angeles, California

Gin ma ki lwongo ni Particulate matter obedo gin ma ki lwongo ni particulate ma pe okato 2.5 micrometers i diameter ma twero donyo i obwo ki remo, ma kelo peko me yot kom. Adwogi marac loyo tye i kom obwo ki cwiny. Ka ibedo ka nongo two man, man twero kelo aona nyo yweyo matek, medo two asthma ki nongo two ma mako yweyo.