{"columns":[{"name":"Kumla gårdsväg S (aktiv) (PM10) (ug/m3)","type":"double"},{"name":"Kumla gårdsväg N (aktiv) (PM10) (ug/m3)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockhom (aktiv, urban_bakgrund) (PM10) (ug/m3)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (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":"Kumla gårdsväg S (aktiv) (PM10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Kumla gårdsväg N (aktiv) (PM10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockhom (aktiv, urban_bakgrund) (PM10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (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 Kumla gårdsväg S (aktiv) (PM10) (ug/m3);\n  optional double field_id=-1 Kumla gårdsväg N (aktiv) (PM10) (ug/m3);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockhom (aktiv, urban_bakgrund) (PM10) (ug/m3);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (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":2528,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Kumla g\\u00e5rdsv\\u00e4g S (aktiv) (PM10) (ug/m3)\", \"field_name\": \"Kumla g\\u00e5rdsv\\u00e4g S (aktiv) (PM10) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Kumla g\\u00e5rdsv\\u00e4g N (aktiv) (PM10) (ug/m3)\", \"field_name\": \"Kumla g\\u00e5rdsv\\u00e4g N (aktiv) (PM10) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockhom (aktiv, urban_bakgrund) (PM10) (ug/m3)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockhom (aktiv, urban_bakgrund) (PM10) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (ug/m3)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (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\"}"]]}
[null,null,1.289452,1.345543,"2019-10-01T02:00:00.000000000"]
[null,null,1.985792,1.482,"2019-10-02T02:00:00.000000000"]
[null,null,2.000046,1.36116,"2019-10-03T02:00:00.000000000"]
[null,null,3.813263,2.521614,"2019-10-04T02:00:00.000000000"]
[null,null,2.490021,1.35297,"2019-10-05T02:00:00.000000000"]
[null,null,2.87627,1.982,"2019-10-06T02:00:00.000000000"]
[null,null,4.942535,1.695496,"2019-10-07T02:00:00.000000000"]
[null,null,8.55159,3.237617,"2019-10-08T02:00:00.000000000"]
[null,null,5.474472,3.169163,"2019-10-09T02:00:00.000000000"]
[null,null,8.472519,6.38929,"2019-10-10T02:00:00.000000000"]
[null,null,5.615906,6.27285,"2019-10-11T02:00:00.000000000"]
[null,null,null,null,"2019-10-12T02:00:00.000000000"]
[null,null,null,3.724606,"2019-10-13T02:00:00.000000000"]
[null,null,null,2.83931,"2019-10-14T02:00:00.000000000"]
[null,null,6.400879,3.059444,"2019-10-15T02:00:00.000000000"]
[null,null,7.248695,5.67968,"2019-10-16T02:00:00.000000000"]
[null,null,6.024895,4.059563,"2019-10-17T02:00:00.000000000"]
[null,null,8.914581,6.749702,"2019-10-18T02:00:00.000000000"]
[null,null,8.870422,8.2901,"2019-10-19T02:00:00.000000000"]
[null,null,9.718872,6.206772,"2019-10-20T02:00:00.000000000"]
[null,null,5.070663,3.144356,"2019-10-21T02:00:00.000000000"]
[null,null,7.825821,6.028603,"2019-10-22T02:00:00.000000000"]
[null,null,8.420639,7.335838,"2019-10-23T02:00:00.000000000"]
[null,null,14.2444,11.973541,"2019-10-24T02:00:00.000000000"]
[null,null,14.765564,14.064362,"2019-10-25T02:00:00.000000000"]
[null,null,2.835011,3.425671,"2019-10-26T02:00:00.000000000"]
[null,null,3.740025,4.615189,"2019-10-27T02:00:00.000000000"]
[null,null,4.013062,1.885965,"2019-10-28T02:00:00.000000000"]
[null,null,3.239208,1.357883,"2019-10-29T02:00:00.000000000"]
[null,null,7.566376,2.947521,"2019-10-30T02:00:00.000000000"]
[null,null,4.628014,3.218803,"2019-10-31T02:00:00.000000000"]