{"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":30,"rows_kept":30,"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\"}"]]}
[8.152222,2.000851,2.520813,"2023-04-01T02:00:00.000000000"]
[6.130066,1.707586,2.915016,"2023-04-02T02:00:00.000000000"]
[12.36203,1.465658,3.055153,"2023-04-03T02:00:00.000000000"]
[16.915009,1.305973,4.436737,"2023-04-04T02:00:00.000000000"]
[6.890137,2.106823,3.263481,"2023-04-05T02:00:00.000000000"]
[13.350449,1.515738,3.932907,"2023-04-06T02:00:00.000000000"]
[25.031189,1.757313,3.771713,"2023-04-07T02:00:00.000000000"]
[13.266159,1.650879,4.009293,"2023-04-08T02:00:00.000000000"]
[8.09198,2.697014,6.789604,"2023-04-09T02:00:00.000000000"]
[10.194565,2.728165,8.384521,"2023-04-10T02:00:00.000000000"]
[18.524445,5.414375,9.729202,"2023-04-11T02:00:00.000000000"]
[17.6138,10.877411,14.485855,"2023-04-12T02:00:00.000000000"]
[null,6.214272,9.780334,"2023-04-13T02:00:00.000000000"]
[5.057289,4.817482,6.517342,"2023-04-14T02:00:00.000000000"]
[6.972664,4.894577,6.659882,"2023-04-15T02:00:00.000000000"]
[9.852295,6.451653,7.024384,"2023-04-16T02:00:00.000000000"]
[18.280701,4.794167,7.175476,"2023-04-17T02:00:00.000000000"]
[8.339279,2.073593,3.769432,"2023-04-18T02:00:00.000000000"]
[14.04364,1.340887,3.158886,"2023-04-19T02:00:00.000000000"]
[23.332336,1.804861,5.181831,"2023-04-20T02:00:00.000000000"]
[17.819855,2.69278,7.876671,"2023-04-21T02:00:00.000000000"]
[10.89267,3.633282,4.897667,"2023-04-22T02:00:00.000000000"]
[4.518547,6.121246,null,"2023-04-23T02:00:00.000000000"]
[5.461609,2.210266,4.156364,"2023-04-24T02:00:00.000000000"]
[3.611542,3.97142,5.846672,"2023-04-25T02:00:00.000000000"]
[2.192619,3.20071,3.694172,"2023-04-26T02:00:00.000000000"]
[4.405594,1.077221,1.890665,"2023-04-27T02:00:00.000000000"]
[5.079285,1.10297,1.715475,"2023-04-28T02:00:00.000000000"]
[3.900284,2.403751,3.025646,"2023-04-29T02:00:00.000000000"]
[3.434227,1.496006,2.596313,"2023-04-30T02:00:00.000000000"]