{"columns":[{"name":"Gärdeskolan (dygnsmedel) (pm10) (ug/m3)","type":"double"},{"name":"Urban bakgrund (referens) (pm10) (ug/m3)","type":"double"},{"name":"E4/Häggvik  (lokal referens) (pm10)","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":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":"Gärdeskolan (dygnsmedel) (pm10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Urban bakgrund (referens) (pm10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"E4/Häggvik  (lokal referens) (pm10)","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 (dygnsmedel) (pm10) (ug/m3);\n  optional double field_id=-1 Urban bakgrund (referens) (pm10) (ug/m3);\n  optional double field_id=-1 E4/Häggvik  (lokal referens) (pm10);\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":2520,"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 (dygnsmedel) (pm10) (ug/m3)\", \"field_name\": \"G\\u00e4rdeskolan (dygnsmedel) (pm10) (ug/m3)\", \"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\": \"E4/H\\u00e4ggvik  (lokal referens) (pm10)\", \"field_name\": \"E4/H\\u00e4ggvik  (lokal referens) (pm10)\", \"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,15.177246,20.223358,50.0,null,"2016-05-01T02:00:00.000000000"]
[null,14.180496,23.165314,50.0,null,"2016-05-02T02:00:00.000000000"]
[null,19.27179,39.449036,50.0,null,"2016-05-03T02:00:00.000000000"]
[null,18.5802,53.595825,50.0,null,"2016-05-04T02:00:00.000000000"]
[null,6.156487,15.911301,50.0,null,"2016-05-05T02:00:00.000000000"]
[null,10.916656,22.11557,50.0,null,"2016-05-06T02:00:00.000000000"]
[null,10.057907,17.296173,50.0,null,"2016-05-07T02:00:00.000000000"]
[null,11.455826,17.792877,50.0,null,"2016-05-08T02:00:00.000000000"]
[null,23.254791,36.218994,50.0,null,"2016-05-09T02:00:00.000000000"]
[null,22.466675,40.449524,50.0,null,"2016-05-10T02:00:00.000000000"]
[null,7.49575,14.591797,50.0,null,"2016-05-11T02:00:00.000000000"]
[null,11.203537,25.587555,50.0,null,"2016-05-12T02:00:00.000000000"]
[null,14.037994,16.019501,50.0,null,"2016-05-13T02:00:00.000000000"]
[null,5.193596,5.180969,50.0,null,"2016-05-14T02:00:00.000000000"]
[null,3.164062,5.43026,50.0,null,"2016-05-15T02:00:00.000000000"]
[null,3.187351,4.266373,50.0,null,"2016-05-16T02:00:00.000000000"]
[null,8.774612,13.165115,50.0,null,"2016-05-17T02:00:00.000000000"]
[null,6.888809,12.232864,50.0,null,"2016-05-18T02:00:00.000000000"]
[null,12.295059,19.327606,50.0,null,"2016-05-19T02:00:00.000000000"]
[null,16.73877,19.443573,50.0,null,"2016-05-20T02:00:00.000000000"]
[null,14.233231,14.478058,50.0,null,"2016-05-21T02:00:00.000000000"]
[null,13.47583,17.499573,50.0,null,"2016-05-22T02:00:00.000000000"]
[null,17.65271,24.027863,50.0,null,"2016-05-23T02:00:00.000000000"]
[null,21.095581,17.792236,50.0,null,"2016-05-24T02:00:00.000000000"]
[null,6.915298,10.55719,50.0,null,"2016-05-25T02:00:00.000000000"]
[null,2.72773,5.008408,50.0,null,"2016-05-26T02:00:00.000000000"]
[null,4.602699,6.826927,50.0,null,"2016-05-27T02:00:00.000000000"]
[null,11.176041,10.434174,50.0,null,"2016-05-28T02:00:00.000000000"]
[null,9.229599,9.64978,50.0,null,"2016-05-29T02:00:00.000000000"]
[null,13.249649,14.409027,50.0,null,"2016-05-30T02:00:00.000000000"]
[null,16.606293,16.663239,50.0,null,"2016-05-31T02:00:00.000000000"]