{"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\"}"]]}
[6.156288,4.115097,3.375248,"2025-05-01T02:00:00.000000000"]
[5.076851,2.784351,3.6768,"2025-05-02T02:00:00.000000000"]
[1.444099,0.470404,null,"2025-05-03T02:00:00.000000000"]
[1.547726,1.112324,1.550964,"2025-05-04T02:00:00.000000000"]
[1.84775,1.247307,1.718168,"2025-05-05T02:00:00.000000000"]
[2.765293,1.242159,1.748461,"2025-05-06T02:00:00.000000000"]
[4.868835,1.615633,null,"2025-05-07T02:00:00.000000000"]
[4.424629,1.485092,2.441975,"2025-05-08T02:00:00.000000000"]
[4.36232,1.48534,2.315403,"2025-05-09T02:00:00.000000000"]
[3.257843,2.237778,2.994694,"2025-05-10T02:00:00.000000000"]
[3.860638,2.381405,null,"2025-05-11T02:00:00.000000000"]
[7.201607,2.959297,null,"2025-05-12T02:00:00.000000000"]
[9.139969,3.330952,4.988197,"2025-05-13T02:00:00.000000000"]
[2.694118,2.055618,2.548061,"2025-05-14T02:00:00.000000000"]
[2.204136,1.88085,2.582012,"2025-05-15T02:00:00.000000000"]
[1.694899,2.356342,2.771492,"2025-05-16T02:00:00.000000000"]
[1.886478,2.038574,3.178856,"2025-05-17T02:00:00.000000000"]
[2.218025,2.677486,null,"2025-05-18T02:00:00.000000000"]
[3.81329,2.353943,3.349827,"2025-05-19T02:00:00.000000000"]
[4.023033,2.08865,3.528488,"2025-05-20T02:00:00.000000000"]
[2.661747,null,2.32407,"2025-05-21T02:00:00.000000000"]
[1.351252,null,2.949192,"2025-05-22T02:00:00.000000000"]
[4.768517,2.243412,null,"2025-05-23T02:00:00.000000000"]
[2.127022,1.636751,null,"2025-05-24T02:00:00.000000000"]
[4.741554,4.252991,null,"2025-05-25T02:00:00.000000000"]
[4.861435,3.832634,null,"2025-05-26T02:00:00.000000000"]
[5.188438,3.318157,null,"2025-05-27T02:00:00.000000000"]
[4.548431,2.950317,3.646881,"2025-05-28T02:00:00.000000000"]
[5.323608,3.06284,3.087841,"2025-05-29T02:00:00.000000000"]
[3.705612,2.255966,null,"2025-05-30T02:00:00.000000000"]
[1.053394,0.865246,1.537733,"2025-05-31T02:00:00.000000000"]