For a bonfire to be classed as a nuisance it must be a regular problem and interfere substantially with your well being, comfort or enjoyment of your property.
Er mwyn i goelcerth gael ei chyfrif yn niwsans, byddai'n rhaid i'r broblem godi'n rheolaidd, ac amharu'n sylweddol ar eich lles, cysur neu fwynhad o'ch eiddo.