{"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\"}"]]}
[8.434128,7.865273,9.994217,"2022-07-01T02:00:00.000000000"]
[5.30011,4.648842,7.064919,"2022-07-02T02:00:00.000000000"]
[null,3.633133,2.754799,"2022-07-03T02:00:00.000000000"]
[null,4.107986,2.929768,"2022-07-04T02:00:00.000000000"]
[null,2.602089,2.030594,"2022-07-05T02:00:00.000000000"]
[2.195076,2.482964,1.906605,"2022-07-06T02:00:00.000000000"]
[1.635271,1.949862,1.939264,"2022-07-07T02:00:00.000000000"]
[1.875395,2.338558,1.351294,"2022-07-08T02:00:00.000000000"]
[1.981068,2.571995,1.441423,"2022-07-09T02:00:00.000000000"]
[0.742777,0.917485,0.850751,"2022-07-10T02:00:00.000000000"]
[1.704554,1.885223,1.107574,"2022-07-11T02:00:00.000000000"]
[2.179592,2.351791,1.267786,"2022-07-12T02:00:00.000000000"]
[3.65062,3.765972,3.134506,"2022-07-13T02:00:00.000000000"]
[2.174026,1.63489,1.152765,"2022-07-14T02:00:00.000000000"]
[1.89599,1.795025,0.62505,"2022-07-15T02:00:00.000000000"]
[1.422302,1.490225,0.591559,"2022-07-16T02:00:00.000000000"]
[1.996967,1.593441,0.46962,"2022-07-17T02:00:00.000000000"]
[4.300575,3.912834,2.046082,"2022-07-18T02:00:00.000000000"]
[6.225212,6.431358,3.373032,"2022-07-19T02:00:00.000000000"]
[4.978889,null,3.603054,"2022-07-20T02:00:00.000000000"]
[7.105232,null,7.367249,"2022-07-21T02:00:00.000000000"]
[10.016159,null,8.277237,"2022-07-22T02:00:00.000000000"]
[3.418488,null,2.354881,"2022-07-23T02:00:00.000000000"]
[4.37516,null,1.337341,"2022-07-24T02:00:00.000000000"]
[5.660072,null,5.208649,"2022-07-25T02:00:00.000000000"]
[3.849483,null,4.744095,"2022-07-26T02:00:00.000000000"]
[2.373531,null,1.440878,"2022-07-27T02:00:00.000000000"]
[1.289164,null,0.726305,"2022-07-28T02:00:00.000000000"]
[1.690239,null,0.724852,"2022-07-29T02:00:00.000000000"]
[2.039925,1.896814,1.167356,"2022-07-30T02:00:00.000000000"]
[2.242657,1.684639,1.633472,"2022-07-31T02:00:00.000000000"]