{"columns":[{"name":"Danderydsvägen (aktiv) (PM10)","type":"double"},{"name":"E4 Häggvik (aktiv) (PM10)","type":"double"},{"name":"Ekmans väg 11 (aktiv) (PM10)","type":"double"},{"name":"Sollentunavägen 192 (aktiv) (PM10)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM10)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10)","type":"double"},{"name":"Eriksbergsskolan (inaktiv) (PM10)","type":"double"},{"name":"Skälbyskolan (inaktiv) (PM10)","type":"double"},{"name":"Töjnaskolan (inaktiv) (PM10)","type":"double"},{"name":"datetime","type":"timestamp[ns]"}],"n_rows":30,"rows_kept":30,"cut":false,"text_format":"parquet-jsonl-2026-10-02","bounds":{"document_bytes":16777216,"package_text_limit_bytes":33554432,"package_text_slack_bytes":1024,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096,"vector_min":64,"vector_head_fixed":16,"vector_head_variable":64,"kv_value_chars":1048576,"nesting_max":64,"binary_text":true},"cells_cut":0,"cells_bad_utf8":0,"cells_raw":0,"cells_binary":0,"cells_binary_text":0,"cells_vector":0,"n_row_groups":1,"reader":"pyarrow 23.0.1, python 3.13","created_by":"parquet-cpp-arrow version 17.0.0","schema":{"fields":[{"name":"Danderydsvägen (aktiv) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"E4 Häggvik (aktiv) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Ekmans väg 11 (aktiv) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Sollentunavägen 192 (aktiv) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Eriksbergsskolan (inaktiv) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Skälbyskolan (inaktiv) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Töjnaskolan (inaktiv) (PM10)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"datetime","type":"timestamp[ns]","nullable":true,"metadata":null,"children":null}],"parquet":"required group field_id=-1 schema {\n  optional double field_id=-1 Danderydsvägen (aktiv) (PM10);\n  optional double field_id=-1 E4 Häggvik (aktiv) (PM10);\n  optional double field_id=-1 Ekmans väg 11 (aktiv) (PM10);\n  optional double field_id=-1 Sollentunavägen 192 (aktiv) (PM10);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM10);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10);\n  optional double field_id=-1 Eriksbergsskolan (inaktiv) (PM10);\n  optional double field_id=-1 Skälbyskolan (inaktiv) (PM10);\n  optional double field_id=-1 Töjnaskolan (inaktiv) (PM10);\n  optional int64 field_id=-1 datetime (Timestamp(isAdjustedToUTC=false, timeUnit=nanoseconds, is_from_converted_type=false, force_set_converted_type=false));\n}\n"},"kv_metadata":[["ARROW:schema",{"$cut":{"chars":3968,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Danderydsv\\u00e4gen (aktiv) (PM10)\", \"field_name\": \"Danderydsv\\u00e4gen (aktiv) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"E4 H\\u00e4ggvik (aktiv) (PM10)\", \"field_name\": \"E4 H\\u00e4ggvik (aktiv) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Ekmans v\\u00e4g 11 (aktiv) (PM10)\", \"field_name\": \"Ekmans v\\u00e4g 11 (aktiv) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Sollentunav\\u00e4gen 192 (aktiv) (PM10)\", \"field_name\": \"Sollentunav\\u00e4gen 192 (aktiv) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM10)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Eriksbergsskolan (inaktiv) (PM10)\", \"field_name\": \"Eriksbergsskolan (inaktiv) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Sk\\u00e4lbyskolan (inaktiv) (PM10)\", \"field_name\": \"Sk\\u00e4lbyskolan (inaktiv) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"T\\u00f6jnaskolan (inaktiv) (PM10)\", \"field_name\": \"T\\u00f6jnaskolan (inaktiv) (PM10)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"datetime\", \"field_name\": \"datetime\", \"pandas_type\": \"datetime\", \"numpy_type\": \"datetime64[ns]\", \"metadata\": null}], \"creator\": {\"library\": \"pyarrow\", \"version\": \"17.0.0\"}, \"pandas_version\": \"2.2.2\"}"]]}
[null,11.587387,10.873993,null,9.424805,null,12.502609,null,11.953415,"2017-04-01T02:00:00.000000000"]
[null,23.604736,18.350494,null,11.121933,null,19.127075,null,14.564468,"2017-04-02T02:00:00.000000000"]
[null,28.364014,22.25946,null,13.069275,null,20.543671,null,16.145691,"2017-04-03T02:00:00.000000000"]
[null,27.536743,20.947571,null,15.191772,null,29.230103,null,20.482971,"2017-04-04T02:00:00.000000000"]
[null,25.739258,17.53006,null,13.800369,null,19.950592,null,20.800201,"2017-04-05T02:00:00.000000000"]
[null,40.550903,18.47818,null,8.583527,null,16.601501,null,13.000778,"2017-04-06T02:00:00.000000000"]
[null,62.284302,27.348389,null,11.817932,null,19.644775,null,20.407013,"2017-04-07T02:00:00.000000000"]
[null,52.120239,18.195404,null,15.508194,null,26.990265,null,21.518097,"2017-04-08T02:00:00.000000000"]
[null,55.246704,17.597748,null,10.634064,null,19.040344,null,14.762863,"2017-04-09T02:00:00.000000000"]
[null,30.530212,27.592651,null,23.463898,null,28.368744,null,25.443939,"2017-04-10T02:00:00.000000000"]
[null,67.396973,17.764771,null,8.019562,null,16.129456,null,21.411011,"2017-04-11T02:00:00.000000000"]
[null,22.719025,12.064545,null,9.455368,null,51.25769,null,13.477554,"2017-04-12T02:00:00.000000000"]
[null,13.680038,11.758575,null,5.391228,null,7.328133,null,6.19326,"2017-04-13T02:00:00.000000000"]
[null,15.171417,11.639557,null,7.495033,null,8.76416,null,9.832687,"2017-04-14T02:00:00.000000000"]
[null,20.490875,10.892426,null,7.857841,null,10.998962,null,9.518402,"2017-04-15T02:00:00.000000000"]
[null,18.483032,14.079681,null,5.019699,null,7.856651,null,8.412628,"2017-04-16T02:00:00.000000000"]
[null,26.475677,15.879501,null,6.158394,null,9.367447,null,9.099579,"2017-04-17T02:00:00.000000000"]
[null,20.106903,14.971115,null,7.923073,null,12.02417,null,10.770691,"2017-04-18T02:00:00.000000000"]
[null,23.636719,18.232483,null,14.959793,null,18.198456,null,19.046204,"2017-04-19T02:00:00.000000000"]
[null,14.267197,13.839172,null,11.797516,null,19.000549,null,16.486694,"2017-04-20T02:00:00.000000000"]
[null,11.454193,11.281204,null,8.533157,null,11.182114,null,9.668259,"2017-04-21T02:00:00.000000000"]
[null,10.162949,11.873444,null,4.842735,null,8.286072,null,4.409317,"2017-04-22T02:00:00.000000000"]
[null,11.570663,9.016937,null,3.814964,null,6.607292,null,4.320015,"2017-04-23T02:00:00.000000000"]
[null,34.540283,11.5439,null,11.201859,null,18.315033,null,13.558792,"2017-04-24T02:00:00.000000000"]
[null,5.142693,3.871849,null,2.693146,null,4.388939,null,3.560402,"2017-04-25T02:00:00.000000000"]
[null,11.499496,8.979294,null,4.519859,null,6.100159,null,6.133492,"2017-04-26T02:00:00.000000000"]
[null,22.051453,15.508591,null,11.778107,null,13.177658,null,12.25676,"2017-04-27T02:00:00.000000000"]
[null,14.977585,7.489174,null,11.492538,null,14.212204,null,10.811661,"2017-04-28T02:00:00.000000000"]
[null,13.371063,13.426727,null,10.380539,null,10.692245,null,10.565186,"2017-04-29T02:00:00.000000000"]
[null,15.609375,13.713318,null,9.880753,null,14.188797,null,11.058334,"2017-04-30T02:00:00.000000000"]