{"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\"}"]]}
[null,5.039192,4.408646,"2020-03-01T02:00:00.000000000"]
[null,7.165588,6.127785,"2020-03-02T02:00:00.000000000"]
[null,9.791763,5.56456,"2020-03-03T02:00:00.000000000"]
[null,3.617489,5.047127,"2020-03-04T02:00:00.000000000"]
[null,2.958595,1.444719,"2020-03-05T02:00:00.000000000"]
[null,7.52459,4.52269,"2020-03-06T02:00:00.000000000"]
[null,15.842911,9.789154,"2020-03-07T02:00:00.000000000"]
[null,18.297302,14.672791,"2020-03-08T02:00:00.000000000"]
[null,14.097702,8.837372,"2020-03-09T02:00:00.000000000"]
[null,10.312836,8.075562,"2020-03-10T02:00:00.000000000"]
[null,null,3.694427,"2020-03-11T02:00:00.000000000"]
[null,4.386169,3.898544,"2020-03-12T02:00:00.000000000"]
[null,7.683235,1.449718,"2020-03-13T02:00:00.000000000"]
[null,6.397202,2.200325,"2020-03-14T02:00:00.000000000"]
[null,7.361389,5.69117,"2020-03-15T02:00:00.000000000"]
[null,8.764145,2.940216,"2020-03-16T02:00:00.000000000"]
[null,7.580292,4.156509,"2020-03-17T02:00:00.000000000"]
[null,4.430504,3.502151,"2020-03-18T02:00:00.000000000"]
[null,4.907112,1.898293,"2020-03-19T02:00:00.000000000"]
[null,7.10894,2.419834,"2020-03-20T02:00:00.000000000"]
[null,5.266594,2.360687,"2020-03-21T02:00:00.000000000"]
[null,5.06221,3.45348,"2020-03-22T02:00:00.000000000"]
[null,13.935181,4.217804,"2020-03-23T02:00:00.000000000"]
[null,15.252808,7.651573,"2020-03-24T02:00:00.000000000"]
[null,25.226562,13.594803,"2020-03-25T02:00:00.000000000"]
[null,30.326569,21.741791,"2020-03-26T02:00:00.000000000"]
[null,29.673859,23.488342,"2020-03-27T02:00:00.000000000"]
[null,17.498138,9.040024,"2020-03-28T02:00:00.000000000"]
[null,4.696564,2.018394,"2020-03-29T02:00:00.000000000"]
[null,16.665771,2.637974,"2020-03-30T02:00:00.000000000"]
[null,12.108963,4.144218,"2020-03-31T02:00:00.000000000"]