{"columns":[{"name":"Kumla gårdsväg S (aktiv) (NO2) (ug/m3)","type":"double"},{"name":"Kumla gårdsväg N (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) (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) (NO2) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Kumla gårdsväg N (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) (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) (NO2) (ug/m3);\n  optional double field_id=-1 Kumla gårdsväg N (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) (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":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\": \"Kumla g\\u00e5rdsv\\u00e4g S (aktiv) (NO2) (ug/m3)\", \"field_name\": \"Kumla g\\u00e5rdsv\\u00e4g S (aktiv) (NO2) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Kumla g\\u00e5rdsv\\u00e4g N (aktiv) (NO2) (ug/m3)\", \"field_name\": \"Kumla g\\u00e5rdsv\\u00e4g N (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) (ug/m3)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2) (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\"}"]]}
[null,null,19.374237,2.528996,"2011-07-01T02:00:00.000000000"]
[null,null,4.103477,0.333131,"2011-07-02T02:00:00.000000000"]
[null,null,3.861809,0.276358,"2011-07-03T02:00:00.000000000"]
[null,null,7.406395,0.253337,"2011-07-04T02:00:00.000000000"]
[null,null,13.553467,0.427169,"2011-07-05T02:00:00.000000000"]
[null,null,12.255402,0.450417,"2011-07-06T02:00:00.000000000"]
[null,null,11.129807,0.545206,"2011-07-07T02:00:00.000000000"]
[null,null,9.289932,1.100361,"2011-07-08T02:00:00.000000000"]
[null,null,2.338192,0.321777,"2011-07-09T02:00:00.000000000"]
[null,null,3.752922,0.412299,"2011-07-10T02:00:00.000000000"]
[null,null,7.927513,0.316136,"2011-07-11T02:00:00.000000000"]
[null,null,4.774857,0.38621,"2011-07-12T02:00:00.000000000"]
[null,null,6.677368,0.248632,"2011-07-13T02:00:00.000000000"]
[null,null,17.811066,0.282826,"2011-07-14T02:00:00.000000000"]
[null,null,12.119843,0.44356,"2011-07-15T02:00:00.000000000"]
[null,null,2.904728,0.269514,"2011-07-16T02:00:00.000000000"]
[null,null,2.747196,0.277375,"2011-07-17T02:00:00.000000000"]
[null,null,5.149605,0.453261,"2011-07-18T02:00:00.000000000"]
[null,null,4.546646,0.467194,"2011-07-19T02:00:00.000000000"]
[null,null,5.391319,0.419707,"2011-07-20T02:00:00.000000000"]
[null,null,9.814728,0.536889,"2011-07-21T02:00:00.000000000"]
[null,null,10.512634,0.470293,"2011-07-22T02:00:00.000000000"]
[null,null,2.924408,0.772642,"2011-07-23T02:00:00.000000000"]
[null,null,1.347958,0.322533,"2011-07-24T02:00:00.000000000"]
[null,null,5.833893,0.464775,"2011-07-25T02:00:00.000000000"]
[null,null,21.672363,0.544103,"2011-07-26T02:00:00.000000000"]
[null,null,21.418457,0.374085,"2011-07-27T02:00:00.000000000"]
[null,null,10.272186,0.236677,"2011-07-28T02:00:00.000000000"]
[null,null,6.069702,0.305919,"2011-07-29T02:00:00.000000000"]
[null,null,5.048424,0.243286,"2011-07-30T02:00:00.000000000"]
[null,null,5.944809,0.248464,"2011-07-31T02:00:00.000000000"]