{"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":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":"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,10.410156,10.679062,"2018-11-01T02:00:00.000000000"]
[null,null,20.983551,29.411682,"2018-11-02T02:00:00.000000000"]
[null,null,3.302784,6.287445,"2018-11-03T02:00:00.000000000"]
[null,null,4.158501,5.225136,"2018-11-04T02:00:00.000000000"]
[null,null,4.771202,6.436562,"2018-11-05T02:00:00.000000000"]
[null,null,15.597397,17.013306,"2018-11-06T02:00:00.000000000"]
[null,null,17.298859,20.209686,"2018-11-07T02:00:00.000000000"]
[null,null,19.631775,29.195221,"2018-11-08T02:00:00.000000000"]
[null,null,11.100861,14.412827,"2018-11-09T02:00:00.000000000"]
[null,null,8.220139,10.734543,"2018-11-10T02:00:00.000000000"]
[null,null,15.978592,20.456146,"2018-11-11T02:00:00.000000000"]
[null,null,12.734421,17.938995,"2018-11-12T02:00:00.000000000"]
[null,null,8.187973,10.692322,"2018-11-13T02:00:00.000000000"]
[null,null,6.059669,5.960045,"2018-11-14T02:00:00.000000000"]
[null,null,8.42897,9.499344,"2018-11-15T02:00:00.000000000"]
[null,null,11.407822,13.427185,"2018-11-16T02:00:00.000000000"]
[null,null,13.694687,14.46402,"2018-11-17T02:00:00.000000000"]
[null,null,2.568783,2.297989,"2018-11-18T02:00:00.000000000"]
[null,null,6.800835,4.948151,"2018-11-19T02:00:00.000000000"]
[null,null,7.120094,4.525337,"2018-11-20T02:00:00.000000000"]
[null,null,5.993263,3.229958,"2018-11-21T02:00:00.000000000"]
[null,null,3.666668,3.635117,"2018-11-22T02:00:00.000000000"]
[null,null,8.199661,10.229507,"2018-11-23T02:00:00.000000000"]
[null,null,7.432312,6.029442,"2018-11-24T02:00:00.000000000"]
[null,null,4.291847,3.728176,"2018-11-25T02:00:00.000000000"]
[null,null,5.827042,1.756182,"2018-11-26T02:00:00.000000000"]
[null,null,9.935318,2.437492,"2018-11-27T02:00:00.000000000"]
[null,null,8.711548,5.3843,"2018-11-28T02:00:00.000000000"]
[null,null,7.106026,8.554718,"2018-11-29T02:00:00.000000000"]
[null,null,12.310867,14.905869,"2018-11-30T02:00:00.000000000"]