Environmental　quality　evaluation　(EQE)　is　an　important　task　of　environmental　protection.　A　large　number　of　evaluation　models　have　been　developed　for　many　environmental　domains,　such　as　water　environmental　quality　of　rivers,　lakes　and　sea,　air　quality　and　environmental　noise　situation.　Traditional　EQE　involves　a　complicate　process　which　consists　of　data　collection,　data　transmission,　quality　evaluation,　evaluation　result　correction　and　publication,　and　it　needs　mass　manual　work.　Along　with　people＇s　more　concerning　with　environmental　status,　it　requires　more　powerful　technique　to　accelerate　the　process　of　EQE.　Hence　all　kinds　of　elements　of　EQE　(data,　environmental　standard,　evaluation　method,　human,　etc.)　need　to　be　organized　together　to　collaborate　with　each　other.　This　paper　presents　an　environmental　quality　evaluation　and　information　service　system　to　facilitate　the　EQE　process,　which　utilizes　grid　computing　technology　to　construct　the　basic　IT　infrastructure.　The　core　functions　such　as　data　management,　evaluation　and　information　sharing　are　built　as　grid　services　to　achieve　more　flexibility　and　extensibility.　This　system　has　been　implemented　and　running　in　Sanming　city　of　China　and　the　effect　is　quite　promising.　©　2012　IEEE.