Home›Air pollution›वायु गुणवत्ता नियम🌐हिन्दीEnglishالعربيةفارسیहिन्दी中文EntityQ4698364· pop 6· linked from 219 articlesवायु गुणवत्ता नियमtype of lawAvailable in 6 languages中文العربيةहिन्दीHausaفارسیvia Wikidata sitelinks · CC0Connectionsnatural resourceEntityMontreal ProtocolEntityCategoriesAir pollutionEnvironmental lawNatural resources lawPollution in the United StatesUnited States waste law