{"columns":[{"name":"Hamngatan 10 (aktiv) (NO2)) (ug/m3)","type":"double"},{"name":"Trädgårdsgatan 21, urban bakgrund Norrköping (aktiv, urban_bakgrund) (NO2) (ug/m3)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)","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":"Hamngatan 10 (aktiv) (NO2)) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Trädgårdsgatan 21, urban bakgrund Norrköping (aktiv, urban_bakgrund) (NO2) (ug/m3)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)","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 Hamngatan 10 (aktiv) (NO2)) (ug/m3);\n  optional double field_id=-1 Trädgårdsgatan 21, urban bakgrund Norrköping (aktiv, urban_bakgrund) (NO2) (ug/m3);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2);\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\": \"Hamngatan 10 (aktiv) (NO2)) (ug/m3)\", \"field_name\": \"Hamngatan 10 (aktiv) (NO2)) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Tr\\u00e4dg\\u00e5rdsgatan 21, urban bakgrund Norrk\\u00f6ping (aktiv, urban_bakgrund) (NO2) (ug/m3)\", \"field_name\": \"Tr\\u00e4dg\\u00e5rdsgatan 21, urban bakgrund Norrk\\u00f6ping (aktiv, urban_bakgrund) (NO2) (ug/m3)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (NO2)\", \"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\"}"]]}
[10.531799,2.242886,1.225626,"2025-09-01T01:00:00.000000000"]
[15.685303,2.523205,1.262396,"2025-09-02T01:00:00.000000000"]
[17.604095,2.85923,1.412697,"2025-09-03T01:00:00.000000000"]
[19.580109,4.274925,1.535252,"2025-09-04T01:00:00.000000000"]
[12.640488,null,1.582317,"2025-09-05T01:00:00.000000000"]
[12.92778,null,2.067295,"2025-09-06T01:00:00.000000000"]
[13.549072,null,1.285755,"2025-09-07T01:00:00.000000000"]
[9.388489,null,1.667332,"2025-09-08T01:00:00.000000000"]
[9.916077,4.244331,2.124344,"2025-09-09T01:00:00.000000000"]
[8.47554,5.782066,2.203995,"2025-09-10T01:00:00.000000000"]
[9.691833,2.83604,1.629946,"2025-09-11T01:00:00.000000000"]
[10.222153,2.318729,1.501951,"2025-09-12T01:00:00.000000000"]
[7.673729,1.826693,1.701223,"2025-09-13T01:00:00.000000000"]
[4.378578,1.899147,1.560678,"2025-09-14T01:00:00.000000000"]
[8.795761,2.054379,1.445583,"2025-09-15T01:00:00.000000000"]
[null,1.868612,1.482134,"2025-09-16T01:00:00.000000000"]
[9.75235,1.95936,1.115431,"2025-09-17T01:00:00.000000000"]
[11.001862,2.005569,1.146761,"2025-09-18T01:00:00.000000000"]
[8.171356,1.859074,0.721875,"2025-09-19T01:00:00.000000000"]
[12.392548,2.161232,0.940868,"2025-09-20T01:00:00.000000000"]
[6.576813,1.37184,1.070627,"2025-09-21T01:00:00.000000000"]
[11.398087,2.215302,1.373451,"2025-09-22T01:00:00.000000000"]
[16.071594,2.976059,2.110058,"2025-09-23T01:00:00.000000000"]
[20.683563,4.723289,1.92383,"2025-09-24T01:00:00.000000000"]
[26.118896,6.889572,1.533926,"2025-09-25T01:00:00.000000000"]
[22.60025,12.452881,1.2367,"2025-09-26T01:00:00.000000000"]
[17.979431,10.405991,2.68803,"2025-09-27T01:00:00.000000000"]
[8.286072,6.209053,3.554058,"2025-09-28T01:00:00.000000000"]
[12.214935,5.469719,2.424854,"2025-09-29T01:00:00.000000000"]
[17.764954,11.003479,2.286678,"2025-09-30T01:00:00.000000000"]