データ集年度1972197319741975197619771978197919801981198219831984⼆酸化窒素（ＮＯ２）（ｐｐｍ）⼀般局0.0240.0310.0320.0330.0320.0310.0340.0320.0300.0290.0300.0290.028⾃排局0.0230.0350.0350.0400.0410.0400.0450.0450.0450.0440.0430.0430.039浮遊粒⼦状物質（ＳＰＭ）（ｍｇ／㎥）⼀般局0.1010.0810.0730.0670.0740.0580.0470.0460.0530.0510.0470.049⾃排局0.0730.1050.0740.0640.0730.0560.0410.0390.0500.0510.0520.052年度1985198619871988198919901991199219931994199519961997⼆酸化窒素（ＮＯ２）（ｐｐｍ）⼀般局0.0270.0280.0300.0300.0300.0300.0320.0310.0310.0310.0310.0310.031⾃排局0.0380.0390.0420.0420.0410.0400.0440.0420.0410.0410.0420.0420.042浮遊粒⼦状物質（ＳＰＭ）（ｍｇ／㎥）⼀般局0.0500.0540.0570.0490.0530.0520.0570.0500.0460.0480.0480.0460.045⾃排局0.0510.0600.0610.0570.0660.0680.0730.0670.0620.0640.0650.0620.061年度1998199920002001200220032004200520062007200820092010⼆酸化窒素（ＮＯ２）（ｐｐｍ）⼀般局0.0300.0280.0280.0280.0270.0270.0260.0250.0250.0230.0210.0210.020⾃排局0.0410.0400.0400.0410.0390.0390.0370.0370.0360.0340.0320.0310.029浮遊粒⼦状物質（ＳＰＭ）（ｍｇ／㎥）⼀般局0.0450.0400.0390.0370.0330.0320.0290.0290.0290.0250.0240.0230.021⾃排局0.0580.0470.0510.0500.0430.0390.0330.0330.0330.0300.0280.0270.025年度20112012201320142015201620172018201920202021⼆酸化窒素（ＮＯ２）（ｐｐｍ）⼀般局0.0190.0180.0180.0170.0170.0160.0160.0150.0140.0130.012⾃排局0.0270.0260.0260.0260.0250.0230.0230.0210.0200.0180.018浮遊粒⼦状物質（ＳＰＭ）（ｍｇ／㎥）⼀般局0.0210.0200.0210.0200.0190.0170.0170.0180.0160.0140.012⾃排局0.0230.0220.0230.0210.0210.0190.0190.0190.0170.0160.014微⼩粒⼦状物質（ＰＭ2. 5 ）（μｇ／㎥）⼀般局15.714.215.816.013.812.612.812.410.59.88.5⾃排局17.715.916.717.215.013.813.913.411.210.58.8■主な⼤気汚染物質の経年変化（年平均値）00.010.020.030.040.0519721975197819811984198719901993199619992002200520082011201420172020⼆酸化窒素（ＮＯ２）⼀般局⾃排局00.020.040.060.080.10.1219721975197819811984198719901993199619992002200520082011201420172020浮遊粒⼦状物質（ＳＰＭ）⼀般局⾃排局0510152020112012201320142015201620172018201920202021微⼩粒⼦状物質（ＰＭ２．５）⼀般局⾃排局（ｐｐｍ）（ｍｇ／㎡）（μｇ／㎡）生物多様性の恵みを受け続けられる、自然と共生する豊かな社会の実現都民の安全・健康が確保された、より良質な都市環境の実現政策の実効性を高める横断的・総合的施策資 料 編危機を契機とした脱炭素化とエネルギー安全保障の一体的実現エネルギーの脱炭素化と持続可能な資源利用によるゼロエミッションの実現112
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