{"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":29,"rows_kept":29,"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,2.174213,1.909859,null,1.788429,null,2.371342,null,1.952936,"2016-02-01T02:00:00.000000000"]
[null,4.062218,4.188599,null,3.577477,null,4.407227,null,3.994148,"2016-02-02T02:00:00.000000000"]
[null,2.038315,1.859035,null,1.395205,null,1.651051,null,1.516222,"2016-02-03T02:00:00.000000000"]
[null,2.343563,1.938749,null,1.57848,null,1.734539,null,1.706347,"2016-02-04T02:00:00.000000000"]
[null,5.78965,4.274429,null,2.671074,null,4.131172,null,3.763233,"2016-02-05T02:00:00.000000000"]
[null,4.024658,4.107826,null,4.196747,null,4.674591,null,4.508553,"2016-02-06T02:00:00.000000000"]
[null,12.355087,12.310333,null,12.81044,null,12.831711,null,12.963196,"2016-02-07T02:00:00.000000000"]
[null,6.410385,6.359276,null,6.211624,null,6.710655,null,6.790878,"2016-02-08T02:00:00.000000000"]
[null,3.131588,3.166557,null,2.962574,null,3.367386,null,3.523045,"2016-02-09T02:00:00.000000000"]
[null,5.07093,5.310577,null,5.273598,null,5.764893,null,6.094299,"2016-02-10T02:00:00.000000000"]
[null,2.787045,2.184738,null,1.851944,null,1.489803,null,1.52923,"2016-02-11T02:00:00.000000000"]
[null,2.253502,1.55405,null,1.254845,null,1.717688,null,1.376661,"2016-02-12T02:00:00.000000000"]
[null,2.612732,2.146248,null,2.278084,null,2.70311,null,2.849102,"2016-02-13T02:00:00.000000000"]
[null,3.873402,2.658424,null,5.245232,null,4.351219,null,3.728863,"2016-02-14T02:00:00.000000000"]
[null,4.94799,3.919598,null,3.912918,null,3.655151,null,3.361263,"2016-02-15T02:00:00.000000000"]
[null,5.256256,3.771713,null,3.132854,null,3.884258,null,3.517521,"2016-02-16T02:00:00.000000000"]
[null,5.38279,4.632607,null,3.521156,null,4.926353,null,4.116074,"2016-02-17T02:00:00.000000000"]
[null,5.117393,4.808159,null,4.860397,null,6.250694,null,6.272972,"2016-02-18T02:00:00.000000000"]
[null,14.161697,14.438797,null,14.490387,null,15.441589,null,15.695526,"2016-02-19T02:00:00.000000000"]
[null,14.955612,15.235138,null,15.126282,null,15.994431,null,16.369659,"2016-02-20T02:00:00.000000000"]
[null,2.847931,2.996433,null,2.567593,null,3.185268,null,3.106258,"2016-02-21T02:00:00.000000000"]
[null,3.886265,3.121395,null,2.762745,null,3.695129,null,3.309536,"2016-02-22T02:00:00.000000000"]
[null,4.487152,3.394344,null,3.046223,null,3.780632,null,3.52729,"2016-02-23T02:00:00.000000000"]
[null,6.210136,4.015739,null,2.903038,null,4.241585,null,4.033119,"2016-02-24T02:00:00.000000000"]
[null,6.796654,3.762623,null,2.804508,null,4.312813,null,3.697376,"2016-02-25T02:00:00.000000000"]
[null,8.165512,6.07518,null,4.998985,null,6.589409,null,6.099052,"2016-02-26T02:00:00.000000000"]
[null,6.886871,5.651855,null,4.165024,null,5.922386,null,6.566933,"2016-02-27T02:00:00.000000000"]
[null,12.423309,7.699371,null,5.16748,null,7.723915,null,7.052795,"2016-02-28T02:00:00.000000000"]
[null,15.093155,11.23439,null,6.878403,null,10.629532,null,10.220993,"2016-02-29T02:00:00.000000000"]