{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.381132,51.646149],[-0.38111,51.646395],[-0.381111,51.646423],[-0.381137,51.646436],[-0.382092,51.646421],[-0.38215,51.64639],[-0.382371,51.646168],[-0.382088,51.646047],[-0.382106,51.645952],[-0.382053,51.645928],[-0.381505,51.645911],[-0.381502,51.645952],[-0.381364,51.645949],[-0.381361,51.646013],[-0.381263,51.64601],[-0.381258,51.646077],[-0.381139,51.646073],[-0.381132,51.646149]]],[[[-0.382172,51.642272],[-0.3822,51.642299],[-0.3823,51.642262],[-0.382318,51.642279],[-0.382402,51.642246],[-0.382391,51.642234],[-0.38258,51.642163],[-0.382548,51.642129],[-0.382172,51.642272]]],[[[-0.383232,51.645284],[-0.383412,51.645239],[-0.383354,51.64516],[-0.383322,51.645149],[-0.383246,51.645147],[-0.383232,51.645284]]],[[[-0.383165,51.645569],[-0.38318,51.645601],[-0.383386,51.6455],[-0.383493,51.645436],[-0.383501,51.645422],[-0.383491,51.64541],[-0.383503,51.645406],[-0.383486,51.645384],[-0.383472,51.645388],[-0.383393,51.64529],[-0.38315,51.645364],[-0.383141,51.645358],[-0.383057,51.645379],[-0.383067,51.645389],[-0.383077,51.645388],[-0.383165,51.645569]]],[[[-0.383343,51.645673],[-0.383429,51.645697],[-0.383436,51.645709],[-0.383426,51.645724],[-0.383626,51.64578],[-0.383623,51.645796],[-0.38373,51.645826],[-0.383832,51.645798],[-0.383797,51.645751],[-0.383755,51.645739],[-0.383772,51.645717],[-0.383703,51.645698],[-0.383729,51.645661],[-0.383651,51.645639],[-0.38364,51.645653],[-0.383582,51.645636],[-0.383572,51.645649],[-0.383512,51.645634],[-0.383497,51.645654],[-0.383411,51.645633],[-0.383372,51.645643],[-0.383343,51.645673]]],[[[-0.382713,51.645647],[-0.382578,51.645737],[-0.382612,51.645759],[-0.38255,51.6458],[-0.382706,51.645889],[-0.382939,51.645741],[-0.382767,51.645611],[-0.382713,51.645647]]],[[[-0.382408,51.646078],[-0.382507,51.645994],[-0.38235,51.645918],[-0.382324,51.645939],[-0.3824,51.645966],[-0.382382,51.645981],[-0.382318,51.645951],[-0.382298,51.645969],[-0.382362,51.645997],[-0.382345,51.646012],[-0.382331,51.646006],[-0.382316,51.646019],[-0.382256,51.645993],[-0.38224,51.646008],[-0.382408,51.646078]]],[[[-0.383085,51.646416],[-0.383209,51.646434],[-0.383357,51.646477],[-0.383599,51.646583],[-0.383842,51.646343],[-0.383771,51.646317],[-0.383807,51.646278],[-0.383683,51.646229],[-0.383728,51.646182],[-0.383662,51.646158],[-0.383681,51.646139],[-0.383666,51.646133],[-0.383662,51.646143],[-0.383535,51.646091],[-0.383454,51.646187],[-0.383324,51.646119],[-0.383318,51.646133],[-0.383129,51.646155],[-0.38263,51.646276],[-0.38251,51.646215],[-0.382442,51.646302],[-0.382551,51.646347],[-0.382545,51.646357],[-0.382547,51.646388],[-0.382936,51.646387],[-0.38294,51.646379],[-0.38298,51.64638],[-0.382979,51.646416],[-0.383085,51.646416]]],[[[-0.382274,51.646567],[-0.382213,51.646569],[-0.382191,51.646578],[-0.382068,51.646728],[-0.382319,51.6468],[-0.382334,51.646779],[-0.382497,51.646733],[-0.382775,51.646715],[-0.382763,51.646559],[-0.382274,51.646567]]],[[[-0.386504,51.648215],[-0.38647,51.648233],[-0.386538,51.648274],[-0.386695,51.648191],[-0.386709,51.648202],[-0.386853,51.648143],[-0.386773,51.648098],[-0.386658,51.648165],[-0.386573,51.648103],[-0.386516,51.648133],[-0.386534,51.648147],[-0.386464,51.648185],[-0.386504,51.648215]]]]},"type":"Feature","properties":{"entry-date":"2025-06-24","start-date":"","end-date":"","entity":35518,"name":"AQMA 3A Chalk Hill and Pinner Road","dataset":"air-quality-management-area","typology":"geography","reference":"1594","prefix":"air-quality-management-area","organisation-entity":"600002","quality":"","notes":"E07000103","documentation-url":"https://uk-air.defra.gov.uk/aqma/details?aqma_ref=1594"}}