NavGeneral InfoEmail Print Original or alternative title NAAQGV Provider Department of Environment and Natural Resources (Philippines)Tabulations only Geography Philippines (PHL) Coverage type Country Time period covered 01/2013 - present Data type Environmental monitoring Keywords Particulate matter, Urban ambient air pollution Citation Contributors Department of Environment and Natural Resources (Philippines) Publisher Department of Environment and Natural Resources (Philippines) Suggested citation Department of Environment and Natural Resources (Philippines). Philippines National Ambient Air Quality Guideline Value . Philippines: Department of Environment and Natural Resources (Philippines). GHDx Entry last modified on: Aug 24, 2020