{"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":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) (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\"}"]]}
[2.56345,null,2.340866,1.56514,"2024-08-01T02:00:00.000000000"]
[4.963089,null,4.07547,2.34898,"2024-08-02T02:00:00.000000000"]
[4.978493,null,4.416672,3.355663,"2024-08-03T02:00:00.000000000"]
[4.914185,null,6.515488,5.167755,"2024-08-04T02:00:00.000000000"]
[6.196259,null,6.948547,4.739708,"2024-08-05T02:00:00.000000000"]
[6.216827,null,7.328041,4.651764,"2024-08-06T02:00:00.000000000"]
[4.449387,null,5.453247,3.792858,"2024-08-07T02:00:00.000000000"]
[3.904354,null,4.7528,4.62986,"2024-08-08T02:00:00.000000000"]
[3.653927,null,3.753593,2.541042,"2024-08-09T02:00:00.000000000"]
[2.451878,null,2.405056,1.586687,"2024-08-10T02:00:00.000000000"]
[1.887276,null,1.85326,1.260635,"2024-08-11T02:00:00.000000000"]
[1.589279,null,0.74369,0.44923,"2024-08-12T02:00:00.000000000"]
[1.418905,null,1.248259,0.938991,"2024-08-13T02:00:00.000000000"]
[1.490379,null,1.345139,1.373343,"2024-08-14T02:00:00.000000000"]
[3.412903,null,3.553391,2.88673,"2024-08-15T02:00:00.000000000"]
[3.810219,null,4.665649,4.850395,"2024-08-16T02:00:00.000000000"]
[2.114922,null,2.528374,2.278904,"2024-08-17T02:00:00.000000000"]
[3.179756,null,3.762756,3.998798,"2024-08-18T02:00:00.000000000"]
[3.694035,null,3.686234,3.192062,"2024-08-19T02:00:00.000000000"]
[4.528778,null,4.506882,3.809902,"2024-08-20T02:00:00.000000000"]
[6.749771,null,7.282661,6.288895,"2024-08-21T02:00:00.000000000"]
[3.48423,null,3.053596,4.346001,"2024-08-22T02:00:00.000000000"]
[5.197594,null,5.138474,4.379082,"2024-08-23T02:00:00.000000000"]
[2.728745,null,2.70158,2.467022,"2024-08-24T02:00:00.000000000"]
[4.355186,null,5.122612,5.127678,"2024-08-25T02:00:00.000000000"]
[6.759766,null,7.454681,6.602951,"2024-08-26T02:00:00.000000000"]
[8.298813,null,8.714981,6.716408,"2024-08-27T02:00:00.000000000"]
[8.454956,null,8.365143,6.877441,"2024-08-28T02:00:00.000000000"]
[10.53331,null,12.213898,8.821182,"2024-08-29T02:00:00.000000000"]
[10.305542,null,11.03064,10.030731,"2024-08-30T02:00:00.000000000"]
[5.280113,null,5.263512,3.793903,"2024-08-31T02:00:00.000000000"]