{"columns":[{"name":"Gärdeskolan (NO2 Dygn) (no2) (ug/m3)","type":"double"},{"name":"E4/Häggvik  (lokal referens) (no2)","type":"double"},{"name":"Urban bakgrund (referens) (pm10) (ug/m3)","type":"double"},{"name":"Miljökvalitetsnorm (MKN) (no2) (ug/m3)","type":"double"},{"name":"Vindriktning (Nej) (wdir) (Deg.M)","type":"double"},{"name":"datetime","type":"timestamp[ns]"}],"n_rows":28,"rows_kept":28,"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":"Gärdeskolan (NO2 Dygn) (no2) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"E4/Häggvik  (lokal referens) (no2)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Urban bakgrund (referens) (pm10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Miljökvalitetsnorm (MKN) (no2) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Vindriktning (Nej) (wdir) (Deg.M)","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 Gärdeskolan (NO2 Dygn) (no2) (ug/m3);\n  optional double field_id=-1 E4/Häggvik  (lokal referens) (no2);\n  optional double field_id=-1 Urban bakgrund (referens) (pm10) (ug/m3);\n  optional double field_id=-1 Miljökvalitetsnorm (MKN) (no2) (ug/m3);\n  optional double field_id=-1 Vindriktning (Nej) (wdir) (Deg.M);\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":2496,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"G\\u00e4rdeskolan (NO2 Dygn) (no2) (ug/m3)\", \"field_name\": \"G\\u00e4rdeskolan (NO2 Dygn) (no2) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"E4/H\\u00e4ggvik  (lokal referens) (no2)\", \"field_name\": \"E4/H\\u00e4ggvik  (lokal referens) (no2)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Urban bakgrund (referens) (pm10) (ug/m3)\", \"field_name\": \"Urban bakgrund (referens) (pm10) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Milj\\u00f6kvalitetsnorm (MKN) (no2) (ug/m3)\", \"field_name\": \"Milj\\u00f6kvalitetsnorm (MKN) (no2) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Vindriktning (Nej) (wdir) (Deg.M)\", \"field_name\": \"Vindriktning (Nej) (wdir) (Deg.M)\", \"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,38.77063,null,60.0,null,"2018-02-01T02:00:00.000000000"]
[null,28.205322,10.219208,60.0,null,"2018-02-02T02:00:00.000000000"]
[null,8.02005,5.416069,60.0,null,"2018-02-03T02:00:00.000000000"]
[null,24.506958,8.264847,60.0,null,"2018-02-04T02:00:00.000000000"]
[null,71.6604,23.57547,60.0,null,"2018-02-05T02:00:00.000000000"]
[null,56.02124,19.319977,60.0,null,"2018-02-06T02:00:00.000000000"]
[null,50.331116,19.12851,60.0,null,"2018-02-07T02:00:00.000000000"]
[null,53.024048,18.447449,60.0,null,"2018-02-08T02:00:00.000000000"]
[null,57.744446,16.772064,60.0,null,"2018-02-09T02:00:00.000000000"]
[null,38.699585,13.189301,60.0,null,"2018-02-10T02:00:00.000000000"]
[null,9.157181,7.341499,60.0,null,"2018-02-11T02:00:00.000000000"]
[null,15.497696,8.302811,60.0,null,"2018-02-12T02:00:00.000000000"]
[null,30.08017,12.948135,60.0,null,"2018-02-13T02:00:00.000000000"]
[null,67.681152,20.862579,60.0,null,"2018-02-14T02:00:00.000000000"]
[null,32.842651,15.6371,60.0,null,"2018-02-15T02:00:00.000000000"]
[null,18.573273,12.872253,60.0,null,"2018-02-16T02:00:00.000000000"]
[null,29.385651,11.038025,60.0,null,"2018-02-17T02:00:00.000000000"]
[null,32.919189,12.182404,60.0,null,"2018-02-18T02:00:00.000000000"]
[null,22.955933,11.225159,60.0,null,"2018-02-19T02:00:00.000000000"]
[null,65.092651,16.635437,60.0,null,"2018-02-20T02:00:00.000000000"]
[null,64.717041,21.198212,60.0,null,"2018-02-21T02:00:00.000000000"]
[null,69.857056,27.469177,60.0,null,"2018-02-22T02:00:00.000000000"]
[null,46.180603,14.237534,60.0,null,"2018-02-23T02:00:00.000000000"]
[null,48.740112,8.031448,60.0,null,"2018-02-24T02:00:00.000000000"]
[null,29.13028,7.022675,60.0,null,"2018-02-25T02:00:00.000000000"]
[null,34.073792,12.180161,60.0,null,"2018-02-26T02:00:00.000000000"]
[null,23.842468,11.805649,60.0,null,"2018-02-27T02:00:00.000000000"]
[null,36.932678,15.509857,60.0,null,"2018-02-28T02:00:00.000000000"]