{"columns":[{"name":"Tulegatan 9 (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":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":"Tulegatan 9 (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 Tulegatan 9 (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":2104,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Tulegatan 9 (aktiv) (NO2) (ug/m3)\", \"field_name\": \"Tulegatan 9 (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,10.5,4.389565,"2014-02-01T02:00:00.000000000"]
[null,9.291168,4.982651,"2014-02-02T02:00:00.000000000"]
[null,22.913025,4.493675,"2014-02-03T02:00:00.000000000"]
[null,17.040649,3.27047,"2014-02-04T02:00:00.000000000"]
[null,17.757843,6.270821,"2014-02-05T02:00:00.000000000"]
[null,20.558014,5.908302,"2014-02-06T02:00:00.000000000"]
[null,17.67218,7.415306,"2014-02-07T02:00:00.000000000"]
[null,8.630722,4.332687,"2014-02-08T02:00:00.000000000"]
[null,7.745712,4.352051,"2014-02-09T02:00:00.000000000"]
[null,12.679123,4.92099,"2014-02-10T02:00:00.000000000"]
[null,22.80835,5.126045,"2014-02-11T02:00:00.000000000"]
[null,18.787231,6.690781,"2014-02-12T02:00:00.000000000"]
[null,11.63942,4.02227,"2014-02-13T02:00:00.000000000"]
[null,15.093353,4.426262,"2014-02-14T02:00:00.000000000"]
[null,6.689873,2.690048,"2014-02-15T02:00:00.000000000"]
[null,6.163933,3.740368,"2014-02-16T02:00:00.000000000"]
[null,8.26355,1.681557,"2014-02-17T02:00:00.000000000"]
[null,12.690964,2.329601,"2014-02-18T02:00:00.000000000"]
[null,35.196899,3.31889,"2014-02-19T02:00:00.000000000"]
[null,22.699799,1.873796,"2014-02-20T02:00:00.000000000"]
[null,13.671951,4.160721,"2014-02-21T02:00:00.000000000"]
[null,7.878349,3.586666,"2014-02-22T02:00:00.000000000"]
[null,3.697495,2.240356,"2014-02-23T02:00:00.000000000"]
[null,7.824539,4.723694,"2014-02-24T02:00:00.000000000"]
[null,9.676712,3.877151,"2014-02-25T02:00:00.000000000"]
[null,11.414764,3.025764,"2014-02-26T02:00:00.000000000"]
[null,12.558197,3.788494,"2014-02-27T02:00:00.000000000"]
[null,17.051056,4.133789,"2014-02-28T02:00:00.000000000"]