{"columns":[{"name":"E4 Häggvik (aktiv) (NO2) (ug/m3)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (NO2) (ug/m3)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)","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":"E4 Häggvik (aktiv) (NO2) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (NO2) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)","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 E4 Häggvik (aktiv) (NO2) (ug/m3);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (NO2) (ug/m3);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2);\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":2080,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"E4 H\\u00e4ggvik (aktiv) (NO2) (ug/m3)\", \"field_name\": \"E4 H\\u00e4ggvik (aktiv) (NO2) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (NO2) (ug/m3)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (NO2) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)\", \"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,12.347809,3.707516,"2013-11-01T02:00:00.000000000"]
[null,10.261475,2.776794,"2013-11-02T02:00:00.000000000"]
[null,14.047806,2.343491,"2013-11-03T02:00:00.000000000"]
[null,10.097992,3.94825,"2013-11-04T02:00:00.000000000"]
[null,15.672806,2.471931,"2013-11-05T02:00:00.000000000"]
[null,22.990112,2.924412,"2013-11-06T02:00:00.000000000"]
[null,12.460541,5.600014,"2013-11-07T02:00:00.000000000"]
[null,11.743622,3.112041,"2013-11-08T02:00:00.000000000"]
[null,6.778427,2.375755,"2013-11-09T02:00:00.000000000"]
[null,8.199997,1.077925,"2013-11-10T02:00:00.000000000"]
[null,24.260773,4.733879,"2013-11-11T02:00:00.000000000"]
[null,11.088425,4.524132,"2013-11-12T02:00:00.000000000"]
[null,9.64183,1.847214,"2013-11-13T02:00:00.000000000"]
[null,24.199188,10.755432,"2013-11-14T02:00:00.000000000"]
[null,14.110138,4.188545,"2013-11-15T02:00:00.000000000"]
[null,2.956383,1.202936,"2013-11-16T02:00:00.000000000"]
[null,14.731705,1.345196,"2013-11-17T02:00:00.000000000"]
[null,8.339066,4.283218,"2013-11-18T02:00:00.000000000"]
[null,13.642761,5.939438,"2013-11-19T02:00:00.000000000"]
[null,24.644531,2.028442,"2013-11-20T02:00:00.000000000"]
[null,15.23288,3.056053,"2013-11-21T02:00:00.000000000"]
[null,20.815643,1.676531,"2013-11-22T02:00:00.000000000"]
[null,4.281525,2.81884,"2013-11-23T02:00:00.000000000"]
[null,5.786034,null,"2013-11-24T02:00:00.000000000"]
[null,17.612518,0.896287,"2013-11-25T02:00:00.000000000"]
[null,19.988617,3.471798,"2013-11-26T02:00:00.000000000"]
[null,10.372604,2.164612,"2013-11-27T02:00:00.000000000"]
[null,7.881607,0.808222,"2013-11-28T02:00:00.000000000"]
[null,40.268921,5.382256,"2013-11-29T02:00:00.000000000"]
[null,19.758026,4.479187,"2013-11-30T02:00:00.000000000"]