{"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":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) (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,23.397675,21.522278,null,null,null,25.792694,20.968048,null,"2015-03-01T02:00:00.000000000"]
[null,22.473785,17.004822,null,null,null,17.814209,14.338531,null,"2015-03-02T02:00:00.000000000"]
[null,15.687057,10.999603,null,null,null,13.04332,12.293777,null,"2015-03-03T02:00:00.000000000"]
[null,18.444611,12.168732,null,null,null,12.408051,11.511276,null,"2015-03-04T02:00:00.000000000"]
[null,34.052979,34.563232,null,null,null,22.339966,22.963806,null,"2015-03-05T02:00:00.000000000"]
[null,7.575424,5.712959,null,null,null,6.727341,6.257133,null,"2015-03-06T02:00:00.000000000"]
[null,12.955566,13.277252,null,null,null,13.429016,14.488617,null,"2015-03-07T02:00:00.000000000"]
[null,26.115845,17.764343,null,null,null,16.233521,17.123016,null,"2015-03-08T02:00:00.000000000"]
[null,54.641113,42.69397,null,null,null,35.673401,52.355591,null,"2015-03-09T02:00:00.000000000"]
[null,30.694305,26.114441,null,null,null,24.427826,26.908234,null,"2015-03-10T02:00:00.000000000"]
[null,42.821167,36.432373,null,null,null,19.080963,26.822388,null,"2015-03-11T02:00:00.000000000"]
[null,58.277893,38.252808,null,null,null,35.796875,43.012573,null,"2015-03-12T02:00:00.000000000"]
[null,23.073151,11.686844,null,null,null,18.214111,22.395782,null,"2015-03-13T02:00:00.000000000"]
[null,18.951172,12.326523,null,null,null,13.764908,19.507111,null,"2015-03-14T02:00:00.000000000"]
[null,21.691284,19.47226,null,null,null,18.126221,23.650238,null,"2015-03-15T02:00:00.000000000"]
[null,46.598633,29.288696,null,null,null,30.335052,44.200439,null,"2015-03-16T02:00:00.000000000"]
[null,49.196289,31.213898,null,null,null,35.850891,43.353027,null,"2015-03-17T02:00:00.000000000"]
[null,75.401245,70.226807,null,null,null,70.125732,60.740662,null,"2015-03-18T02:00:00.000000000"]
[null,68.05188,59.314697,null,null,null,49.406067,63.764038,null,"2015-03-19T02:00:00.000000000"]
[null,23.416046,13.130707,null,null,null,12.947098,18.266052,null,"2015-03-20T02:00:00.000000000"]
[null,20.932098,15.186432,null,null,null,9.83783,10.655762,null,"2015-03-21T02:00:00.000000000"]
[null,13.384476,9.496017,null,null,null,9.490509,10.773468,null,"2015-03-22T02:00:00.000000000"]
[null,10.394836,9.391357,null,null,null,12.138885,10.107483,null,"2015-03-23T02:00:00.000000000"]
[null,39.735413,17.670929,null,null,null,17.995941,15.028168,null,"2015-03-24T02:00:00.000000000"]
[null,32.680054,12.376694,null,null,null,12.684677,14.709457,null,"2015-03-25T02:00:00.000000000"]
[null,17.220947,8.692749,null,null,null,12.732422,9.291351,null,"2015-03-26T02:00:00.000000000"]
[null,21.042206,20.026978,null,null,null,21.818665,19.925781,null,"2015-03-27T02:00:00.000000000"]
[null,14.944778,13.451828,null,null,null,12.647064,11.305435,null,"2015-03-28T02:00:00.000000000"]
[null,11.600967,11.767166,null,null,null,12.629883,11.640732,null,"2015-03-29T02:00:00.000000000"]
[null,6.947174,5.89299,null,null,null,6.69706,6.33316,null,"2015-03-30T02:00:00.000000000"]
[null,20.698486,8.026505,null,null,null,8.12085,6.659248,null,"2015-03-31T02:00:00.000000000"]