Ndipei mazita emaguta manomwe ane kusvibiswa kwakanyanya muAmerica
Maererano neAmerican Lung Association, maguta manomwe anonyanya kusvibiswa anosanganisira maguta mashanu eCalifornia. Rondedzero yacho ndeiyi, Los Angeles-Long Beach, Bakersfield, Visalia, Fresno-Madera-Hanford, Phoenix-Mesa, San Diego-Chula Vista-Carlsbad, uye Denver-Aurora