22021202020291028102710261025102410231022102110202027102410211028002500220029991699139910991789148911891879157912791020271024102110280025002200299916991399109917891489118918791579127910.050.040.030.020.010.120.10.080.060.040.020050201510116二酸化窒素（ＮＯ２）（ｐｐｍ）浮遊粒子状物質（ＳＰＭ）（ｍｇ／㎥）二酸化窒素（ＮＯ２）（ｐｐｍ）浮遊粒子状物質（ＳＰＭ）（ｍｇ／㎥）二酸化窒素（ＮＯ２）（ｐｐｍ）浮遊粒子状物質（ＳＰＭ）（ｍｇ／㎥）二酸化窒素（ＮＯ２）（ｐｐｍ）浮遊粒子状物質（ＳＰＭ）（ｍｇ／㎥）微小粒子状物質（ＰＭ2. 5 ）（μｇ／㎥）二酸化窒素（ＮＯ２）（ｐｐｍ）年度19720.0240.023一般局自排局一般局自排局年度19850.0270.0380.0500.051年度19980.0300.0410.0450.058年度20110.0190.0270.0210.02315.717.7一般局自排局一般局自排局一般局自排局一般局自排局一般局自排局一般局自排局一般局自排局一般局自排局19730.0310.0350.1010.07319860.0280.0390.0540.06019990.0280.0400.0400.04720120.0180.0260.0200.02214.215.919740.0320.0350.0810.10519870.0300.0420.0570.06120000.0280.0400.0390.05120130.0180.0260.0210.02315.816.7（ｍｇ／㎡）19750.0330.0400.0730.07419880.0300.0420.0490.05720010.0280.0410.0370.05020140.0170.0260.0200.02116.017.219760.0320.0410.0670.06419890.0300.0410.0530.06620020.0270.0390.0330.04320150.0170.0250.0190.02113.815.0浮遊粒子状物質（ＳＰＭ）一般局19770.0310.0400.0740.07319900.0300.0400.0520.06820030.0270.0390.0320.03920160.0160.0230.0170.01912.613.819780.0340.0450.0580.05619910.0320.0440.0570.07320040.0260.0370.0290.03320170.0160.0230.0170.01912.813.919790.0320.0450.0470.04119920.0310.0420.0500.06720050.0250.0370.0290.03320180.0150.0210.0180.01912.413.4（μｇ／㎡）自排局19800.0300.0450.0460.03919930.0310.0410.0460.06220060.0250.0360.0290.03320190.0140.0200.0160.01710.511.219810.0290.0440.0530.05019940.0310.0410.0480.06420070.0230.0340.0250.03020200.0130.0180.0140.0169.810.5微小粒子状物質（ＰＭ２．５）一般局19820.0300.0430.0510.05119950.0310.0420.0480.06520080.0210.0320.0240.02820210.0120.0180.0120.0148.58.819830.0290.0430.0470.05219960.0310.0420.0460.06220090.0210.0310.0230.02720220.0120.0170.0130.0149.09.419840.0280.0390.0490.05219970.0310.0420.0450.06120100.0200.0290.0210.025自排局…データ集■主な大気汚染物質の経年変化（年平均値）
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