{"columns":[{"name":"Danderydsvägen (aktiv) (PM2.5)","type":"double"},{"name":"E4 Häggvik (aktiv) (PM2.5)","type":"double"},{"name":"Ekmans väg 11 (aktiv) (PM2.5)","type":"double"},{"name":"Sollentunavägen 192 (aktiv) (PM2.5)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)","type":"double"},{"name":"Eriksbergsskolan (inaktiv) (PM2.5)","type":"double"},{"name":"Skälbyskolan (inaktiv) (PM2.5)","type":"double"},{"name":"Töjnaskolan (inaktiv) (PM2.5)","type":"double"},{"name":"datetime","type":"timestamp[ns]"}],"n_rows":31,"rows_kept":31,"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) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"E4 Häggvik (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Ekmans väg 11 (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Sollentunavägen 192 (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Eriksbergsskolan (inaktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Skälbyskolan (inaktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Töjnaskolan (inaktiv) (PM2.5)","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) (PM2.5);\n  optional double field_id=-1 E4 Häggvik (aktiv) (PM2.5);\n  optional double field_id=-1 Ekmans väg 11 (aktiv) (PM2.5);\n  optional double field_id=-1 Sollentunavägen 192 (aktiv) (PM2.5);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5);\n  optional double field_id=-1 Eriksbergsskolan (inaktiv) (PM2.5);\n  optional double field_id=-1 Skälbyskolan (inaktiv) (PM2.5);\n  optional double field_id=-1 Töjnaskolan (inaktiv) (PM2.5);\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":4000,"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) (PM2.5)\", \"field_name\": \"Danderydsv\\u00e4gen (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"E4 H\\u00e4ggvik (aktiv) (PM2.5)\", \"field_name\": \"E4 H\\u00e4ggvik (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Ekmans v\\u00e4g 11 (aktiv) (PM2.5)\", \"field_name\": \"Ekmans v\\u00e4g 11 (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Sollentunav\\u00e4gen 192 (aktiv) (PM2.5)\", \"field_name\": \"Sollentunav\\u00e4gen 192 (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Eriksbergsskolan (inaktiv) (PM2.5)\", \"field_name\": \"Eriksbergsskolan (inaktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Sk\\u00e4lbyskolan (inaktiv) (PM2.5)\", \"field_name\": \"Sk\\u00e4lbyskolan (inaktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"T\\u00f6jnaskolan (inaktiv) (PM2.5)\", \"field_name\": \"T\\u00f6jnaskolan (inaktiv) (PM2.5)\", \"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\"}"]]}
[1.374619,1.460537,1.589472,null,1.851622,0.99833,1.967648,null,null,"2019-12-01T02:00:00.000000000"]
[2.199028,2.188541,2.224483,null,1.683241,0.827759,2.283867,null,null,"2019-12-02T02:00:00.000000000"]
[2.393417,2.591373,2.648094,null,2.085209,1.354538,3.089268,null,null,"2019-12-03T02:00:00.000000000"]
[3.27771,3.86795,3.60146,null,3.266026,2.119408,4.571701,null,null,"2019-12-04T02:00:00.000000000"]
[3.777061,4.354759,4.105927,null,4.448586,2.629322,6.081825,null,null,"2019-12-05T02:00:00.000000000"]
[2.145958,2.789021,2.717812,null,2.28104,1.074701,3.528259,null,null,"2019-12-06T02:00:00.000000000"]
[0.917008,1.359354,1.573093,null,1.054111,0.574802,1.398895,null,null,"2019-12-07T02:00:00.000000000"]
[1.724657,1.912256,1.921412,null,1.588018,0.945828,2.852409,null,null,"2019-12-08T02:00:00.000000000"]
[2.425522,2.575291,2.689072,null,2.38195,1.165327,3.691048,null,null,"2019-12-09T02:00:00.000000000"]
[2.747639,3.204353,3.185318,null,2.805847,1.365934,3.319725,null,null,"2019-12-10T02:00:00.000000000"]
[2.829227,2.902176,3.419006,null,2.428574,1.559423,3.88665,null,null,"2019-12-11T02:00:00.000000000"]
[7.398155,9.737885,9.088318,null,8.824921,6.486244,9.519333,null,null,"2019-12-12T02:00:00.000000000"]
[8.625183,10.421402,10.06398,null,10.091812,8.077805,10.147217,null,null,"2019-12-13T02:00:00.000000000"]
[4.384918,5.577362,5.261528,null,5.948662,4.335182,5.934891,null,null,"2019-12-14T02:00:00.000000000"]
[3.106445,3.620857,3.361832,null,2.860512,1.906822,3.723911,null,null,"2019-12-15T02:00:00.000000000"]
[2.829361,3.339069,3.774902,null,2.680225,null,3.426853,null,null,"2019-12-16T02:00:00.000000000"]
[4.689964,6.26767,5.934586,null,5.763939,null,6.390434,null,null,"2019-12-17T02:00:00.000000000"]
[1.074165,1.464321,1.650356,null,1.976496,0.701457,1.484928,null,null,"2019-12-18T02:00:00.000000000"]
[4.089005,4.849243,4.724831,null,4.981911,2.361156,4.804893,null,null,"2019-12-19T02:00:00.000000000"]
[9.485275,12.256531,12.023407,null,11.811646,8.175659,12.527145,null,null,"2019-12-20T02:00:00.000000000"]
[19.233643,22.748932,21.872711,null,21.848236,20.812439,23.060425,null,null,"2019-12-21T02:00:00.000000000"]
[4.615944,5.608437,6.214348,null,6.057838,null,6.100967,null,null,"2019-12-22T02:00:00.000000000"]
[5.879898,9.253601,7.487801,null,5.902504,null,8.412277,null,null,"2019-12-23T02:00:00.000000000"]
[8.538681,11.241928,10.900787,null,8.759338,null,14.215897,null,null,"2019-12-24T02:00:00.000000000"]
[4.552246,6.856384,5.559219,null,5.868149,null,5.930771,null,null,"2019-12-25T02:00:00.000000000"]
[2.078705,2.872631,3.064445,null,2.762924,null,2.735439,null,null,"2019-12-26T02:00:00.000000000"]
[2.680565,2.879848,2.752708,null,2.879074,null,2.685493,null,null,"2019-12-27T02:00:00.000000000"]
[3.085842,2.978405,3.39682,null,3.076775,null,3.427948,null,null,"2019-12-28T02:00:00.000000000"]
[5.79731,6.626724,7.045494,null,6.973434,null,7.389435,null,null,"2019-12-29T02:00:00.000000000"]
[4.457779,4.81945,5.116608,null,5.250099,null,5.488152,null,null,"2019-12-30T02:00:00.000000000"]
[1.702938,1.741041,2.066448,null,1.558254,null,1.671862,null,null,"2019-12-31T02:00:00.000000000"]