{"columns":[{"name":"Kumla gårdsväg S (aktiv) (PM2.5) (ug/m3)","type":"double"},{"name":"Kumla gårdsväg N (aktiv) (PM2.5) (ug/m3)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (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) (PM2.5) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Kumla gårdsväg N (aktiv) (PM2.5) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (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) (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) (PM2.5) (ug/m3);\n  optional double field_id=-1 Kumla gårdsväg N (aktiv) (PM2.5) (ug/m3);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (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":2552,"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) (PM2.5) (ug/m3)\", \"field_name\": \"Kumla g\\u00e5rdsv\\u00e4g S (aktiv) (PM2.5) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Kumla g\\u00e5rdsv\\u00e4g N (aktiv) (PM2.5) (ug/m3)\", \"field_name\": \"Kumla g\\u00e5rdsv\\u00e4g N (aktiv) (PM2.5) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (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) (ug/m3)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (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\"}"]]}
[11.310852,null,12.757019,9.908264,"2024-06-01T02:00:00.000000000"]
[9.830551,null,9.699799,7.820694,"2024-06-02T02:00:00.000000000"]
[8.880188,null,8.942657,6.838745,"2024-06-03T02:00:00.000000000"]
[4.200745,null,3.311985,2.978226,"2024-06-04T02:00:00.000000000"]
[5.314255,null,5.477226,4.7015,"2024-06-05T02:00:00.000000000"]
[4.4366,null,4.867798,4.533516,"2024-06-06T02:00:00.000000000"]
[3.821659,null,3.858665,3.455147,"2024-06-07T02:00:00.000000000"]
[4.581558,null,5.168312,4.656059,"2024-06-08T02:00:00.000000000"]
[2.488903,null,2.443478,3.074986,"2024-06-09T02:00:00.000000000"]
[2.198277,null,1.842901,2.0993,"2024-06-10T02:00:00.000000000"]
[3.265633,null,2.669243,1.968666,"2024-06-11T02:00:00.000000000"]
[3.072247,null,2.527584,2.409554,"2024-06-12T02:00:00.000000000"]
[3.974327,null,4.204239,3.33065,"2024-06-13T02:00:00.000000000"]
[3.865658,null,2.712254,2.834724,"2024-06-14T02:00:00.000000000"]
[3.545025,null,4.017311,3.422577,"2024-06-15T02:00:00.000000000"]
[4.417694,null,4.811768,4.645012,"2024-06-16T02:00:00.000000000"]
[4.914108,null,4.842171,3.684299,"2024-06-17T02:00:00.000000000"]
[4.603302,null,4.216469,3.136971,"2024-06-18T02:00:00.000000000"]
[4.436333,null,3.001537,2.687695,"2024-06-19T02:00:00.000000000"]
[3.630154,null,2.716427,2.68858,"2024-06-20T02:00:00.000000000"]
[3.768055,null,3.684025,2.192165,"2024-06-21T02:00:00.000000000"]
[2.364067,null,2.268906,1.880802,"2024-06-22T02:00:00.000000000"]
[3.024338,null,2.600491,2.012356,"2024-06-23T02:00:00.000000000"]
[5.457001,null,3.816555,3.059216,"2024-06-24T02:00:00.000000000"]
[3.591599,null,3.096714,2.880817,"2024-06-25T02:00:00.000000000"]
[4.068771,null,4.390778,4.105965,"2024-06-26T02:00:00.000000000"]
[4.283073,null,4.755615,5.597939,"2024-06-27T02:00:00.000000000"]
[7.106659,null,9.024139,8.600677,"2024-06-28T02:00:00.000000000"]
[3.101002,null,3.290268,3.680626,"2024-06-29T02:00:00.000000000"]
[2.838348,null,3.266621,3.195751,"2024-06-30T02:00:00.000000000"]