{"columns":[{"name":"Kungsgatan 32 (aktiv) (PM10) (ug/m3)","type":"double"},{"name":"Trädgårdsgatan 21, urban bakgrund (aktiv, urban_bakgrund) (PM10) (ug/m3)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (ug/m3)","type":"double"},{"name":"datetime","type":"timestamp[ns]"}],"n_rows":18,"rows_kept":18,"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":"Kungsgatan 32 (aktiv) (PM10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Trädgårdsgatan 21, urban bakgrund (aktiv, urban_bakgrund) (PM10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (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 Kungsgatan 32 (aktiv) (PM10) (ug/m3);\n  optional double field_id=-1 Trädgårdsgatan 21, urban bakgrund (aktiv, urban_bakgrund) (PM10) (ug/m3);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (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":2092,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Kungsgatan 32 (aktiv) (PM10) (ug/m3)\", \"field_name\": \"Kungsgatan 32 (aktiv) (PM10) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Tr\\u00e4dg\\u00e5rdsgatan 21, urban bakgrund (aktiv, urban_bakgrund) (PM10) (ug/m3)\", \"field_name\": \"Tr\\u00e4dg\\u00e5rdsgatan 21, urban bakgrund (aktiv, urban_bakgrund) (PM10) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (ug/m3)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM10) (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\"}"]]}
[11.602509,9.109253,0.569175,"2025-09-28T03:00:00.000000000"]
[14.445007,13.042511,0.3,"2025-09-28T04:00:00.000000000"]
[13.490005,11.877502,0.31115,"2025-09-28T05:00:00.000000000"]
[12.615005,12.255005,0.700425,"2025-09-28T06:00:00.000000000"]
[12.380005,13.907501,1.358749,"2025-09-28T07:00:00.000000000"]
[7.9795,10.493744,1.86425,"2025-09-28T08:00:00.000000000"]
[5.85775,8.237503,1.700001,"2025-09-28T09:00:00.000000000"]
[8.070755,7.430756,1.953001,"2025-09-28T10:00:00.000000000"]
[5.135498,5.831001,1.74225,"2025-09-28T11:00:00.000000000"]
[3.297501,2.296249,2.527,"2025-09-28T12:00:00.000000000"]
[3.752502,2.416252,3.48875,"2025-09-28T13:00:00.000000000"]
[4.901253,2.869751,2.868248,"2025-09-28T14:00:00.000000000"]
[4.720749,3.376503,3.165001,"2025-09-28T15:00:00.000000000"]
[5.033249,3.417999,3.07925,"2025-09-28T16:00:00.000000000"]
[4.429001,3.511753,2.881001,"2025-09-28T17:00:00.000000000"]
[4.608002,3.283749,2.220001,"2025-09-28T18:00:00.000000000"]
[null,null,null,"2025-09-28T19:00:00.000000000"]
[null,null,null,"2025-09-28T20:00:00.000000000"]