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Deddf yr Amgylchedd (Ansawdd Aer a Seinweddau) (Cymru) 2024
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Efallai na fydd deddfwriaeth ddiwygiedig sydd ar y safle hwn yn gwbl gyfoes. Ar hyn o bryd mae unrhyw newidiadau neu effeithiau hysbys a wnaed gan ddeddfwriaeth ddilynol wedi'u gwneud i destun y ddeddfwriaeth yr ydych yn edrych arni gan y tîm golygyddol. Gweler 'Cwestiynau Cyffredin' am fanylion ynglŷn â'r amserlenni ar gyfer nodi a chofnodi effeithiau newydd ar y safle hwn.
2Targedau ansawdd aer: deunydd gronynnolLL+C
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(1)Rhaid i Weinidogion Cymru drwy reoliadau osod o leiaf un targed (“targed ansawdd aer PM2.5”) mewn cysylltiad â’r lefel gymedrig flynyddol o PM2.5 mewn aer amgylchynol yng Nghymru.
(2)Caiff targed ansawdd aer PM2.5 fod yn darged hirdymor ond nid oes angen iddo fod felly.
(3)Yn yr adran hon, ystyr PM2.5 yw deunydd gronynnol sydd â diamedr aerodynamig nad yw’n fwy na 2.5 o ficrometrau.
(4)Rhaid i Weinidogion Cymru sicrhau bod “aer amgylchynol” wedi ei ddiffinio at ddibenion pob targed ansawdd aer PM2.5 (a chaiff rheoliadau o dan yr adran hon wneud darpariaeth wahanol ar gyfer targedau gwahanol at ddibenion yr is-adran hon).
(5)Mae adran 1(3) i(4) a (6) i (8) yn gymwys i dargedau ansawdd aer PM2.5 ac i reoliadau o dan yr adran hon fel y mae’n gymwys i dargedau a osodir o dan adran 1 ac i reoliadau o dan yr adran honno.
(6)Yn y Bennod hon, ystyr “targed ansawdd aer PM2.5” yw targed a osodir o dan yr adran hon.
Gwybodaeth Cychwyn
I1A. 2 mewn grym ar 14.4.2024, gweler a. 30(2)(a)
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