{"columns":[{"name":"Kungsgatan 67 (aktiv) (PM2.5)","type":"double"},{"name":"Dragarbrunnsgatan 23, urban bakgrund (aktiv, urban_bakgrund) (PM2.5)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_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":"Kungsgatan 67 (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Dragarbrunnsgatan 23, urban bakgrund (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":"datetime","type":"timestamp[ns]","nullable":true,"metadata":null,"children":null}],"parquet":"required group field_id=-1 schema {\n  optional double field_id=-1 Kungsgatan 67 (aktiv) (PM2.5);\n  optional double field_id=-1 Dragarbrunnsgatan 23, urban bakgrund (aktiv, urban_bakgrund) (PM2.5);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_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":1996,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Kungsgatan 67 (aktiv) (PM2.5)\", \"field_name\": \"Kungsgatan 67 (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Dragarbrunnsgatan 23, urban bakgrund (aktiv, urban_bakgrund) (PM2.5)\", \"field_name\": \"Dragarbrunnsgatan 23, urban bakgrund (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\": \"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\"}"]]}
[1.031408,0.830243,0.767848,"2018-07-01T02:00:00.000000000"]
[2.444225,2.061447,2.457222,"2018-07-02T02:00:00.000000000"]
[4.474709,3.959991,3.399223,"2018-07-03T02:00:00.000000000"]
[3.354115,2.814205,1.647554,"2018-07-04T02:00:00.000000000"]
[3.468834,2.873627,3.006676,"2018-07-05T02:00:00.000000000"]
[5.027069,4.26593,4.477585,"2018-07-06T02:00:00.000000000"]
[4.222496,null,3.424061,"2018-07-07T02:00:00.000000000"]
[3.207661,2.09515,2.124523,"2018-07-08T02:00:00.000000000"]
[3.47197,3.041595,3.018612,"2018-07-09T02:00:00.000000000"]
[3.848289,3.275284,3.917416,"2018-07-10T02:00:00.000000000"]
[6.417419,5.846107,6.266861,"2018-07-11T02:00:00.000000000"]
[7.026604,6.665672,6.200653,"2018-07-12T02:00:00.000000000"]
[7.835617,6.643295,5.146675,"2018-07-13T02:00:00.000000000"]
[6.59269,null,4.175018,"2018-07-14T02:00:00.000000000"]
[7.763649,null,6.150078,"2018-07-15T02:00:00.000000000"]
[8.547211,null,7.482674,"2018-07-16T02:00:00.000000000"]
[8.99144,null,9.930664,"2018-07-17T02:00:00.000000000"]
[10.020721,null,10.495193,"2018-07-18T02:00:00.000000000"]
[10.060333,null,9.425217,"2018-07-19T02:00:00.000000000"]
[9.066849,8.663391,9.039673,"2018-07-20T02:00:00.000000000"]
[11.235138,10.883057,11.986313,"2018-07-21T02:00:00.000000000"]
[5.510063,4.375885,4.836205,"2018-07-22T02:00:00.000000000"]
[5.840012,4.966087,5.138252,"2018-07-23T02:00:00.000000000"]
[4.670158,3.747917,4.832672,"2018-07-24T02:00:00.000000000"]
[5.207169,4.30706,4.8853,"2018-07-25T02:00:00.000000000"]
[5.896217,5.203468,7.477493,"2018-07-26T02:00:00.000000000"]
[8.638153,8.477646,9.31488,"2018-07-27T02:00:00.000000000"]
[9.889969,10.416046,13.215668,"2018-07-28T02:00:00.000000000"]
[9.95961,10.432434,14.182343,"2018-07-29T02:00:00.000000000"]
[12.030121,12.452576,12.786575,"2018-07-30T02:00:00.000000000"]
[9.84288,8.155289,8.313202,"2018-07-31T02:00:00.000000000"]