{"columns":[{"name":"Tulegatan 9 (aktiv) (PM2.5) (ug/m3)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (ug/m3)","type":"double"},{"name":"datetime","type":"timestamp[ns]"}],"n_rows":30,"rows_kept":30,"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) (PM2.5) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (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) (PM2.5) (ug/m3);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (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":2124,"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) (PM2.5) (ug/m3)\", \"field_name\": \"Tulegatan 9 (aktiv) (PM2.5) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (ug/m3)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5) (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\"}"]]}
[2.624508,2.27734,1.367926,"2023-06-01T02:00:00.000000000"]
[1.601225,1.395306,0.788267,"2023-06-02T02:00:00.000000000"]
[2.237904,2.029953,2.061314,"2023-06-03T02:00:00.000000000"]
[1.572695,1.475611,0.920592,"2023-06-04T02:00:00.000000000"]
[2.728352,2.410622,1.754484,"2023-06-05T02:00:00.000000000"]
[4.584763,4.275124,1.852169,"2023-06-06T02:00:00.000000000"]
[2.67646,1.824322,1.126637,"2023-06-07T02:00:00.000000000"]
[3.44379,3.281918,1.624823,"2023-06-08T02:00:00.000000000"]
[2.190071,2.021122,1.133856,"2023-06-09T02:00:00.000000000"]
[3.872967,1.792143,1.198925,"2023-06-10T02:00:00.000000000"]
[3.56551,2.859215,2.111004,"2023-06-11T02:00:00.000000000"]
[3.990555,3.520435,3.334984,"2023-06-12T02:00:00.000000000"]
[5.070793,4.235672,4.070518,"2023-06-13T02:00:00.000000000"]
[6.113655,5.777588,5.108177,"2023-06-14T02:00:00.000000000"]
[7.544571,6.922028,6.139229,"2023-06-15T02:00:00.000000000"]
[7.8927,7.927864,6.183159,"2023-06-16T02:00:00.000000000"]
[6.856575,7.44593,6.560249,"2023-06-17T02:00:00.000000000"]
[12.289047,12.731003,8.970657,"2023-06-18T02:00:00.000000000"]
[14.154175,15.512878,9.437042,"2023-06-19T02:00:00.000000000"]
[8.924088,8.917465,7.799828,"2023-06-20T02:00:00.000000000"]
[9.233185,9.314682,9.73114,"2023-06-21T02:00:00.000000000"]
[6.610779,6.616432,7.039207,"2023-06-22T02:00:00.000000000"]
[4.894478,5.066216,4.076683,"2023-06-23T02:00:00.000000000"]
[3.21172,3.065472,2.698273,"2023-06-24T02:00:00.000000000"]
[3.485451,3.57098,3.208889,"2023-06-25T02:00:00.000000000"]
[3.981808,3.806042,3.256042,"2023-06-26T02:00:00.000000000"]
[5.385376,5.737396,6.293015,"2023-06-27T02:00:00.000000000"]
[6.873436,null,8.073502,"2023-06-28T02:00:00.000000000"]
[5.903595,null,8.351059,"2023-06-29T02:00:00.000000000"]
[4.91452,null,5.858345,"2023-06-30T02:00:00.000000000"]