{"columns":[{"name":"Tulegatan 9 (aktiv) (PM10) (ug/m3)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (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":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":"Tulegatan 9 (aktiv) (PM10) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (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 Tulegatan 9 (aktiv) (PM10) (ug/m3);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (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":2112,"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) (PM10) (ug/m3)\", \"field_name\": \"Tulegatan 9 (aktiv) (PM10) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM10) (ug/m3)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (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\"}"]]}
[8.085129,4.84549,3.246574,"2022-08-01T02:00:00.000000000"]
[6.820488,5.418144,2.955875,"2022-08-02T02:00:00.000000000"]
[9.659286,7.239311,5.542084,"2022-08-03T02:00:00.000000000"]
[11.861496,11.002289,9.058655,"2022-08-04T02:00:00.000000000"]
[17.055878,17.537933,null,"2022-08-05T02:00:00.000000000"]
[7.072678,4.504097,null,"2022-08-06T02:00:00.000000000"]
[6.068649,4.838142,null,"2022-08-07T02:00:00.000000000"]
[8.777328,6.901993,null,"2022-08-08T02:00:00.000000000"]
[9.588654,7.213326,null,"2022-08-09T02:00:00.000000000"]
[11.909531,7.514191,6.204643,"2022-08-10T02:00:00.000000000"]
[10.969971,7.706284,7.23259,"2022-08-11T02:00:00.000000000"]
[11.008942,8.78746,5.801895,"2022-08-12T02:00:00.000000000"]
[8.281799,7.208817,4.786911,"2022-08-13T02:00:00.000000000"]
[9.780212,9.289932,6.155731,"2022-08-14T02:00:00.000000000"]
[20.926666,19.489716,16.168396,"2022-08-15T02:00:00.000000000"]
[28.677307,25.432526,22.427185,"2022-08-16T02:00:00.000000000"]
[22.427948,21.7995,21.117493,"2022-08-17T02:00:00.000000000"]
[19.263855,21.871155,14.58551,"2022-08-18T02:00:00.000000000"]
[26.785309,26.633911,21.281891,"2022-08-19T02:00:00.000000000"]
[18.749176,21.495148,22.219391,"2022-08-20T02:00:00.000000000"]
[7.909317,6.764618,7.639328,"2022-08-21T02:00:00.000000000"]
[9.157135,6.370392,5.460655,"2022-08-22T02:00:00.000000000"]
[11.550644,9.340195,5.038681,"2022-08-23T02:00:00.000000000"]
[6.204514,5.824425,3.000938,"2022-08-24T02:00:00.000000000"]
[9.799911,8.299164,2.756565,"2022-08-25T02:00:00.000000000"]
[12.101349,9.822876,6.076416,"2022-08-26T02:00:00.000000000"]
[23.508545,25.093048,17.919281,"2022-08-27T02:00:00.000000000"]
[3.663025,3.913898,4.24073,"2022-08-28T02:00:00.000000000"]
[2.953239,2.875179,2.203438,"2022-08-29T02:00:00.000000000"]
[2.482327,2.362301,1.484772,"2022-08-30T02:00:00.000000000"]
[3.053749,3.207073,1.580591,"2022-08-31T02:00:00.000000000"]