{"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\"}"]]}
[null,7.432419,7.088516,"2018-04-01T02:00:00.000000000"]
[null,4.501549,4.689461,"2018-04-02T02:00:00.000000000"]
[null,2.416119,5.184174,"2018-04-03T02:00:00.000000000"]
[null,7.231918,7.133881,"2018-04-04T02:00:00.000000000"]
[null,6.522499,7.192017,"2018-04-05T02:00:00.000000000"]
[null,1.716331,1.400751,"2018-04-06T02:00:00.000000000"]
[null,1.809776,2.434437,"2018-04-07T02:00:00.000000000"]
[null,6.482643,9.298157,"2018-04-08T02:00:00.000000000"]
[null,8.31282,12.068405,"2018-04-09T02:00:00.000000000"]
[null,1.423086,2.156898,"2018-04-10T02:00:00.000000000"]
[null,2.087502,3.348911,"2018-04-11T02:00:00.000000000"]
[null,2.927315,4.163437,"2018-04-12T02:00:00.000000000"]
[null,3.848907,5.337563,"2018-04-13T02:00:00.000000000"]
[null,8.363907,8.336838,"2018-04-14T02:00:00.000000000"]
[null,12.266907,12.516434,"2018-04-15T02:00:00.000000000"]
[null,11.205887,14.458099,"2018-04-16T02:00:00.000000000"]
[null,8.431427,7.671043,"2018-04-17T02:00:00.000000000"]
[null,6.765526,6.433311,"2018-04-18T02:00:00.000000000"]
[null,2.327709,4.073349,"2018-04-19T02:00:00.000000000"]
[null,9.27623,8.985977,"2018-04-20T02:00:00.000000000"]
[null,1.491999,3.572472,"2018-04-21T02:00:00.000000000"]
[null,0.520426,1.1924,"2018-04-22T02:00:00.000000000"]
[null,2.111023,2.557827,"2018-04-23T02:00:00.000000000"]
[null,2.573704,2.35997,"2018-04-24T02:00:00.000000000"]
[null,1.676899,1.775585,"2018-04-25T02:00:00.000000000"]
[null,12.581879,1.897141,"2018-04-26T02:00:00.000000000"]
[null,3.379066,2.549274,"2018-04-27T02:00:00.000000000"]
[null,2.966488,2.753109,"2018-04-28T02:00:00.000000000"]
[null,4.82859,5.145256,"2018-04-29T02:00:00.000000000"]
[null,3.838783,5.126114,"2018-04-30T02:00:00.000000000"]