{"columns":[{"name":"Staketgatan 22 (aktiv) (PM2.5)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (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":"Staketgatan 22 (aktiv) (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":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (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 Staketgatan 22 (aktiv) (PM2.5);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (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":2040,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Staketgatan 22 (aktiv) (PM2.5)\", \"field_name\": \"Staketgatan 22 (aktiv) (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\": \"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\": \"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,3.265102,5.899628,"2021-12-01T02:00:00.000000000"]
[null,1.262663,3.44463,"2021-12-02T02:00:00.000000000"]
[3.160976,3.400318,6.702187,"2021-12-03T02:00:00.000000000"]
[3.523991,2.868217,6.311852,"2021-12-04T02:00:00.000000000"]
[1.507833,1.685678,2.910309,"2021-12-05T02:00:00.000000000"]
[2.533337,2.960995,5.396729,"2021-12-06T02:00:00.000000000"]
[5.546669,5.345261,10.90564,"2021-12-07T02:00:00.000000000"]
[5.515144,3.598503,5.717796,"2021-12-08T02:00:00.000000000"]
[4.362015,2.818874,3.602261,"2021-12-09T02:00:00.000000000"]
[4.626846,2.985214,5.749596,"2021-12-10T02:00:00.000000000"]
[4.220055,3.049149,6.801666,"2021-12-11T02:00:00.000000000"]
[9.767731,7.014839,13.757507,"2021-12-12T02:00:00.000000000"]
[6.464951,5.027359,6.188179,"2021-12-13T02:00:00.000000000"]
[2.227261,1.713247,3.254112,"2021-12-14T02:00:00.000000000"]
[3.724365,2.032223,2.374523,"2021-12-15T02:00:00.000000000"]
[1.315907,0.833722,1.540417,"2021-12-16T02:00:00.000000000"]
[null,1.974051,2.822594,"2021-12-17T02:00:00.000000000"]
[null,0.658165,1.630817,"2021-12-18T02:00:00.000000000"]
[1.264246,0.64925,1.083521,"2021-12-19T02:00:00.000000000"]
[1.409601,1.243473,2.589916,"2021-12-20T02:00:00.000000000"]
[1.394201,1.541073,4.524879,"2021-12-21T02:00:00.000000000"]
[4.563713,4.212837,9.104553,"2021-12-22T02:00:00.000000000"]
[2.374069,2.068104,3.197021,"2021-12-23T02:00:00.000000000"]
[0.895237,0.886363,1.811457,"2021-12-24T02:00:00.000000000"]
[1.5152,1.134363,1.70063,"2021-12-25T02:00:00.000000000"]
[2.94846,2.247623,3.109119,"2021-12-26T02:00:00.000000000"]
[6.029587,4.706085,4.980598,"2021-12-27T02:00:00.000000000"]
[6.928787,4.973106,6.613747,"2021-12-28T02:00:00.000000000"]
[9.146637,11.463577,20.859741,"2021-12-29T02:00:00.000000000"]
[5.790848,7.869499,9.950226,"2021-12-30T02:00:00.000000000"]
[3.231934,2.364414,3.218372,"2021-12-31T02:00:00.000000000"]