{"columns":[{"name":"Hamngatan 10 (aktiv) (PM2.5) (ug/m3)","type":"double"},{"name":"Trädgårdsgatan 21, urban bakgrund Norrköping (aktiv, urban_bakgrund) (PM2.5) (ug/m3)","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":"Hamngatan 10 (aktiv) (PM2.5) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Trädgårdsgatan 21, urban bakgrund Norrköping (aktiv, urban_bakgrund) (PM2.5) (ug/m3)","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 Hamngatan 10 (aktiv) (PM2.5) (ug/m3);\n  optional double field_id=-1 Trädgårdsgatan 21, urban bakgrund Norrköping (aktiv, urban_bakgrund) (PM2.5) (ug/m3);\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":2124,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Hamngatan 10 (aktiv) (PM2.5) (ug/m3)\", \"field_name\": \"Hamngatan 10 (aktiv) (PM2.5) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Tr\\u00e4dg\\u00e5rdsgatan 21, urban bakgrund Norrk\\u00f6ping (aktiv, urban_bakgrund) (PM2.5) (ug/m3)\", \"field_name\": \"Tr\\u00e4dg\\u00e5rdsgatan 21, urban bakgrund Norrk\\u00f6ping (aktiv, urban_bakgrund) (PM2.5) (ug/m3)\", \"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\"}"]]}
[9.650894,null,4.668816,"2022-12-01T02:00:00.000000000"]
[7.325623,null,7.492615,"2022-12-02T02:00:00.000000000"]
[7.961998,null,5.027924,"2022-12-03T02:00:00.000000000"]
[3.767193,null,2.595871,"2022-12-04T02:00:00.000000000"]
[5.089539,null,3.445663,"2022-12-05T02:00:00.000000000"]
[5.389618,null,2.847385,"2022-12-06T02:00:00.000000000"]
[4.472054,null,1.535671,"2022-12-07T02:00:00.000000000"]
[4.085922,null,2.577778,"2022-12-08T02:00:00.000000000"]
[4.247849,null,4.117455,"2022-12-09T02:00:00.000000000"]
[4.418541,null,3.270657,"2022-12-10T02:00:00.000000000"]
[4.044556,null,2.553204,"2022-12-11T02:00:00.000000000"]
[4.199196,null,2.685287,"2022-12-12T02:00:00.000000000"]
[3.037624,null,1.832855,"2022-12-13T02:00:00.000000000"]
[5.410934,null,2.789467,"2022-12-14T02:00:00.000000000"]
[5.868393,5.137459,5.278526,"2022-12-15T02:00:00.000000000"]
[6.066284,5.550041,6.685745,"2022-12-16T02:00:00.000000000"]
[6.235107,5.289246,4.968704,"2022-12-17T02:00:00.000000000"]
[7.837212,5.910202,5.252548,"2022-12-18T02:00:00.000000000"]
[11.148895,9.334656,5.666656,"2022-12-19T02:00:00.000000000"]
[4.186638,5.603279,6.045227,"2022-12-20T02:00:00.000000000"]
[3.901047,3.308525,2.699696,"2022-12-21T02:00:00.000000000"]
[3.875889,2.97879,3.452499,"2022-12-22T02:00:00.000000000"]
[2.197643,1.684422,1.622471,"2022-12-23T02:00:00.000000000"]
[2.955509,4.329956,2.594021,"2022-12-24T02:00:00.000000000"]
[4.199776,6.015457,3.486473,"2022-12-25T02:00:00.000000000"]
[5.027916,5.438858,4.383759,"2022-12-26T02:00:00.000000000"]
[4.365944,2.447163,1.036947,"2022-12-27T02:00:00.000000000"]
[2.216675,2.724663,1.701654,"2022-12-28T02:00:00.000000000"]
[1.705248,1.887863,1.064066,"2022-12-29T02:00:00.000000000"]
[3.234283,2.591682,2.185162,"2022-12-30T02:00:00.000000000"]
[3.795902,3.146683,3.158436,"2022-12-31T02:00:00.000000000"]