{"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\"}"]]}
[null,2.085152,2.659885,null,2.232086,null,2.208797,null,2.25528,"2017-12-01T02:00:00.000000000"]
[null,1.344322,1.780239,null,1.532486,null,2.019329,null,1.882271,"2017-12-02T02:00:00.000000000"]
[null,1.21706,1.496557,null,1.281878,null,1.633371,null,1.311234,"2017-12-03T02:00:00.000000000"]
[null,2.06686,2.409992,null,1.691942,null,1.850409,null,null,"2017-12-04T02:00:00.000000000"]
[null,1.789249,2.675835,null,2.503559,null,2.307735,null,null,"2017-12-05T02:00:00.000000000"]
[null,4.052681,4.262352,null,2.697933,null,3.411839,null,5.843185,"2017-12-06T02:00:00.000000000"]
[null,2.52615,3.345837,null,1.706787,null,3.378742,null,3.151108,"2017-12-07T02:00:00.000000000"]
[null,2.43298,3.003319,null,2.295216,null,3.156544,null,3.052231,"2017-12-08T02:00:00.000000000"]
[null,1.794699,2.593727,null,2.099529,null,2.52544,null,2.810913,"2017-12-09T02:00:00.000000000"]
[null,3.770679,4.551826,null,2.091679,null,3.286095,null,5.599854,"2017-12-10T02:00:00.000000000"]
[null,6.322968,5.283676,null,5.582939,null,6.666603,null,7.239853,"2017-12-11T02:00:00.000000000"]
[null,3.130226,3.340694,null,2.8349,null,2.487854,null,null,"2017-12-12T02:00:00.000000000"]
[null,3.391022,3.950626,null,3.434345,null,3.993004,null,null,"2017-12-13T02:00:00.000000000"]
[null,5.975464,6.859978,null,5.70314,null,7.349129,null,null,"2017-12-14T02:00:00.000000000"]
[null,2.636387,3.049694,null,2.523037,null,2.895966,null,null,"2017-12-15T02:00:00.000000000"]
[null,3.033722,4.017723,null,3.244846,null,3.802925,null,null,"2017-12-16T02:00:00.000000000"]
[null,2.551373,3.590748,null,2.816151,null,3.262615,null,null,"2017-12-17T02:00:00.000000000"]
[null,5.714981,5.677032,null,6.643715,null,6.589531,null,null,"2017-12-18T02:00:00.000000000"]
[null,4.200104,5.586754,null,4.919296,null,5.246216,null,null,"2017-12-19T02:00:00.000000000"]
[null,5.049416,5.749214,null,4.836906,null,6.239212,null,null,"2017-12-20T02:00:00.000000000"]
[null,2.423752,3.093159,null,2.8451,null,3.187576,null,null,"2017-12-21T02:00:00.000000000"]
[null,1.596514,1.935169,null,1.916042,null,2.051651,null,null,"2017-12-22T02:00:00.000000000"]
[null,1.560884,2.138859,null,1.633345,null,2.20977,null,null,"2017-12-23T02:00:00.000000000"]
[null,1.853313,2.340431,null,3.282143,null,3.453224,null,null,"2017-12-24T02:00:00.000000000"]
[null,2.10804,2.728436,null,1.793877,null,2.882915,null,null,"2017-12-25T02:00:00.000000000"]
[null,2.639919,3.116062,null,2.473778,null,3.196888,null,null,"2017-12-26T02:00:00.000000000"]
[null,1.855627,2.147251,null,2.144379,null,2.46785,null,null,"2017-12-27T02:00:00.000000000"]
[null,17.057892,15.129654,null,15.196198,null,18.689453,null,null,"2017-12-28T02:00:00.000000000"]
[null,6.180275,6.031517,null,5.296249,null,6.705948,null,null,"2017-12-29T02:00:00.000000000"]
[null,2.819916,3.308704,null,3.27169,null,3.771206,null,null,"2017-12-30T02:00:00.000000000"]
[null,9.184036,9.056381,null,8.835831,null,12.004837,null,null,"2017-12-31T02:00:00.000000000"]