{"columns":[{"name":"Kungsgatan 32 (aktiv) (ug/m3)","type":"double"},{"name":"Urban bakgrund Norrköping (aktiv) (ug/m3)","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":"Kungsgatan 32 (aktiv) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Urban bakgrund Norrköping (aktiv) (ug/m3)","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 32 (aktiv) (ug/m3);\n  optional double field_id=-1 Urban bakgrund Norrköping (aktiv) (ug/m3);\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":1452,"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 32 (aktiv) (ug/m3)\", \"field_name\": \"Kungsgatan 32 (aktiv) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Urban bakgrund Norrk\\u00f6ping (aktiv) (ug/m3)\", \"field_name\": \"Urban bakgrund Norrk\\u00f6ping (aktiv) (ug/m3)\", \"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\"}"]]}
[11.563446,4.769638,"2023-04-01T01:00:00.000000000"]
[9.048004,3.959877,"2023-04-02T01:00:00.000000000"]
[19.416351,8.448517,"2023-04-03T01:00:00.000000000"]
[26.517395,null,"2023-04-04T01:00:00.000000000"]
[16.664673,null,"2023-04-05T01:00:00.000000000"]
[11.029465,null,"2023-04-06T01:00:00.000000000"]
[14.897186,null,"2023-04-07T01:00:00.000000000"]
[12.148071,null,"2023-04-08T01:00:00.000000000"]
[15.510681,null,"2023-04-09T01:00:00.000000000"]
[9.716843,null,"2023-04-10T01:00:00.000000000"]
[9.121674,null,"2023-04-11T01:00:00.000000000"]
[12.743408,null,"2023-04-12T01:00:00.000000000"]
[8.841293,null,"2023-04-13T01:00:00.000000000"]
[9.423706,null,"2023-04-14T01:00:00.000000000"]
[6.158211,null,"2023-04-15T01:00:00.000000000"]
[9.057236,null,"2023-04-16T01:00:00.000000000"]
[19.110626,null,"2023-04-17T01:00:00.000000000"]
[12.313354,null,"2023-04-18T01:00:00.000000000"]
[11.930313,null,"2023-04-19T01:00:00.000000000"]
[25.611816,11.039673,"2023-04-20T01:00:00.000000000"]
[27.649048,8.519501,"2023-04-21T01:00:00.000000000"]
[27.206055,10.108307,"2023-04-22T01:00:00.000000000"]
[14.075882,7.324791,"2023-04-23T01:00:00.000000000"]
[9.600983,5.324478,"2023-04-24T01:00:00.000000000"]
[9.839142,5.50116,"2023-04-25T01:00:00.000000000"]
[11.772018,3.201416,"2023-04-26T01:00:00.000000000"]
[12.043991,3.155605,"2023-04-27T01:00:00.000000000"]
[21.114807,5.611023,"2023-04-28T01:00:00.000000000"]
[16.966522,8.983475,"2023-04-29T01:00:00.000000000"]
[13.157852,2.74144,"2023-04-30T01:00:00.000000000"]