{"columns":[{"name":"Hamngatan 10 (aktiv) (ug/m3)","type":"double"},{"name":"Urban bakgrund, Norrköping (aktiv) (ug/m3)","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) (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 Hamngatan 10 (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\": \"Hamngatan 10 (aktiv) (ug/m3)\", \"field_name\": \"Hamngatan 10 (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\"}"]]}
[9.432297,6.091469,"2023-05-01T01:00:00.000000000"]
[9.968002,3.087505,"2023-05-02T01:00:00.000000000"]
[12.447311,5.661469,"2023-05-03T01:00:00.000000000"]
[7.738281,6.955086,"2023-05-04T01:00:00.000000000"]
[11.350143,11.086884,"2023-05-05T01:00:00.000000000"]
[7.370125,5.290398,"2023-05-06T01:00:00.000000000"]
[12.543243,8.297104,"2023-05-07T01:00:00.000000000"]
[32.873108,16.060242,"2023-05-08T01:00:00.000000000"]
[25.948853,22.444,"2023-05-09T01:00:00.000000000"]
[27.579163,17.957214,"2023-05-10T01:00:00.000000000"]
[29.064606,18.809906,"2023-05-11T01:00:00.000000000"]
[30.550751,24.069702,"2023-05-12T01:00:00.000000000"]
[29.76355,18.335327,"2023-05-13T01:00:00.000000000"]
[31.558533,19.018646,"2023-05-14T01:00:00.000000000"]
[35.361572,26.398132,"2023-05-15T01:00:00.000000000"]
[38.606079,20.391693,"2023-05-16T01:00:00.000000000"]
[9.228439,5.095673,"2023-05-17T01:00:00.000000000"]
[8.654495,3.32444,"2023-05-18T01:00:00.000000000"]
[15.037964,9.196991,"2023-05-19T01:00:00.000000000"]
[10.669373,5.679352,"2023-05-20T01:00:00.000000000"]
[15.410492,7.856369,"2023-05-21T01:00:00.000000000"]
[19.594788,12.284515,"2023-05-22T01:00:00.000000000"]
[23.929077,12.110184,"2023-05-23T01:00:00.000000000"]
[36.977844,19.355835,"2023-05-24T01:00:00.000000000"]
[31.535004,11.496841,"2023-05-25T01:00:00.000000000"]
[26.289276,8.347412,"2023-05-26T01:00:00.000000000"]
[22.190125,7.863762,"2023-05-27T01:00:00.000000000"]
[28.230957,8.703537,"2023-05-28T01:00:00.000000000"]
[19.865326,7.936363,"2023-05-29T01:00:00.000000000"]
[21.380463,7.544937,"2023-05-30T01:00:00.000000000"]
[26.9552,7.025635,"2023-05-31T01:00:00.000000000"]