{"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\"}"]]}
[8.220337,7.625526,8.612015,null,null,1.429125,4.560135,null,null,"2019-03-01T02:00:00.000000000"]
[5.096664,3.409214,3.684879,null,null,1.583334,3.524216,null,null,"2019-03-02T02:00:00.000000000"]
[1.453373,2.286888,1.432699,null,null,1.004663,1.542503,null,null,"2019-03-03T02:00:00.000000000"]
[1.987547,2.415619,2.19685,null,null,1.877594,1.929939,null,null,"2019-03-04T02:00:00.000000000"]
[3.476753,4.731209,5.892235,null,null,2.505219,3.014999,null,null,"2019-03-05T02:00:00.000000000"]
[5.292816,7.06794,6.318985,null,null,3.095325,5.474945,null,null,"2019-03-06T02:00:00.000000000"]
[8.781357,9.744003,9.41127,null,null,8.068115,9.235046,null,null,"2019-03-07T02:00:00.000000000"]
[3.355976,4.265289,4.312508,null,null,3.677517,3.588158,null,null,"2019-03-08T02:00:00.000000000"]
[2.817646,3.975422,3.394001,null,null,2.489944,3.558212,null,null,"2019-03-09T02:00:00.000000000"]
[2.553303,3.581463,2.928371,null,null,1.530855,2.205559,null,null,"2019-03-10T02:00:00.000000000"]
[7.148178,8.022537,9.114685,null,null,2.846252,3.630463,null,null,"2019-03-11T02:00:00.000000000"]
[12.142593,11.999146,8.682785,null,null,3.551868,6.191292,null,null,"2019-03-12T02:00:00.000000000"]
[4.367157,5.057732,4.531693,null,null,4.442169,4.569603,null,null,"2019-03-13T02:00:00.000000000"]
[6.098976,7.379974,6.835007,null,null,8.160721,6.352005,null,null,"2019-03-14T02:00:00.000000000"]
[3.470688,4.164612,3.435364,null,null,3.892365,3.980747,null,null,"2019-03-15T02:00:00.000000000"]
[2.60495,3.316544,3.218967,null,null,1.973511,2.551453,null,null,"2019-03-16T02:00:00.000000000"]
[2.098125,2.646404,2.449261,null,null,1.665371,2.275463,null,null,"2019-03-17T02:00:00.000000000"]
[1.734814,3.264439,2.327309,null,null,1.433809,1.819878,null,null,"2019-03-18T02:00:00.000000000"]
[5.207268,8.283096,6.65242,null,null,1.837593,3.873695,null,null,"2019-03-19T02:00:00.000000000"]
[4.277603,4.220161,4.243195,null,null,2.385674,3.852139,null,null,"2019-03-20T02:00:00.000000000"]
[4.000496,4.711731,4.255028,null,null,2.68034,4.049583,null,null,"2019-03-21T02:00:00.000000000"]
[5.774826,7.017075,6.152046,null,null,2.515911,4.096687,null,null,"2019-03-22T02:00:00.000000000"]
[5.592697,4.477066,4.940842,null,null,3.765251,4.565308,null,null,"2019-03-23T02:00:00.000000000"]
[4.477547,3.289413,4.020233,null,null,1.977894,3.091034,null,null,"2019-03-24T02:00:00.000000000"]
[5.473755,6.578377,9.169891,null,null,2.165379,4.400101,null,null,"2019-03-25T02:00:00.000000000"]
[6.141586,6.844521,9.230453,null,null,1.620024,5.271706,null,null,"2019-03-26T02:00:00.000000000"]
[13.758621,9.937134,10.987381,null,null,1.608141,8.825836,null,null,"2019-03-27T02:00:00.000000000"]
[9.981934,3.840488,6.462761,null,null,1.636105,4.770149,null,null,"2019-03-28T02:00:00.000000000"]
[8.969742,6.303673,7.366661,null,null,5.124992,6.456139,null,null,"2019-03-29T02:00:00.000000000"]
[8.454269,7.851631,8.42775,null,null,7.924751,7.576691,null,null,"2019-03-30T02:00:00.000000000"]
[2.058048,2.864666,2.986885,null,null,0.565478,2.245731,null,null,"2019-03-31T02:00:00.000000000"]