Philippine Outdoor Air Quality Standard

RA 8749 (Republic Act No. 8749) or the "Clean Air Act of 1999," and DENR-EMB DAO 2000-81 and DAO 2004-26 (Department Administrative Order No. 81 of 2000 and No. 26 of 2004 of the Department of Environmental and Natural Resources - Environmental Management Bureau) or the "Implementing Rules and Regulations of RA 8749" provide the laws and specifications for outdoor air quality standards in the Philippines.