The emissions amount from factories and so on has achieved the allotted target and is in decline, but the increase of emissions from transportation operations (in business and so on) and civilian sectors has been prominent, and in particular due to a huge increase of cars, the emissions from private cars dramatically increased by +52.6% as of 2004 and accounted for 16% in the total emissions amount nationwide.
工場等からの排出量は割り当てられた目標を達成し斬減傾向にあるものの、運輸・業務（事業所等）・民生部門の増加が目立ち、特に自動車の氾濫により自家用乗用車については2004年現在で+52.6%もの著しい増加を見せており、全国で見ても総排出量の16%を占めている。