{"geometry":{"type":"MultiPolygon","coordinates":[[[[-1.475095,53.553791],[-1.475076,53.55385],[-1.475,53.554136],[-1.474925,53.554379],[-1.474843,53.554555],[-1.474739,53.554759],[-1.474539,53.555123],[-1.474415,53.555353],[-1.474354,53.555459],[-1.474297,53.555567],[-1.474243,53.555665],[-1.474182,53.555784],[-1.474022,53.556072],[-1.473849,53.556391],[-1.473716,53.556643],[-1.473682,53.556701],[-1.473623,53.556817],[-1.473558,53.556929],[-1.473482,53.557073],[-1.473345,53.557326],[-1.473272,53.557459],[-1.473211,53.557563],[-1.473055,53.557853],[-1.47303,53.557897],[-1.472916,53.558072],[-1.472893,53.558095],[-1.472834,53.558202],[-1.472757,53.558316],[-1.4727,53.558389],[-1.472605,53.558482],[-1.472567,53.558564],[-1.472484,53.558782],[-1.47247,53.558858],[-1.472467,53.558922],[-1.472435,53.559045],[-1.472573,53.559054],[-1.472654,53.558646],[-1.472803,53.558425],[-1.472822,53.5584],[-1.472904,53.558277],[-1.473128,53.557934],[-1.47317,53.557853],[-1.473435,53.557373],[-1.473509,53.557235],[-1.473705,53.556883],[-1.473785,53.556724],[-1.473941,53.556443],[-1.474052,53.556233],[-1.474189,53.555982],[-1.474337,53.555716],[-1.474543,53.55533],[-1.474646,53.555142],[-1.474686,53.555064],[-1.474808,53.554845],[-1.474844,53.554776],[-1.474899,53.554676],[-1.475086,53.554341],[-1.475152,53.554192],[-1.475209,53.554069],[-1.47527,53.553925],[-1.475301,53.553807],[-1.475194,53.553794],[-1.475095,53.553791]]]]},"type":"Feature","properties":{"entry-date":"2026-04-15","start-date":"","end-date":"","entity":35243,"name":"Barnsley AQMA No.4","dataset":"air-quality-management-area","typology":"geography","reference":"557","prefix":"air-quality-management-area","organisation-entity":600002,"quality":"authoritative","notes":"E08000038","documentation-url":"https://uk-air.defra.gov.uk/aqma/details?aqma_ref=557"}}