{"columns":[{"name":"Danderydsvägen (aktiv) (PM2.5)","type":"double"},{"name":"E4 Häggvik (aktiv) (PM2.5)","type":"double"},{"name":"Ekmans väg 11 (aktiv) (PM2.5)","type":"double"},{"name":"Sollentunavägen 192 (aktiv) (PM2.5)","type":"double"},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)","type":"double"},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)","type":"double"},{"name":"Eriksbergsskolan (inaktiv) (PM2.5)","type":"double"},{"name":"Skälbyskolan (inaktiv) (PM2.5)","type":"double"},{"name":"Töjnaskolan (inaktiv) (PM2.5)","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":"Danderydsvägen (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"E4 Häggvik (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Ekmans väg 11 (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Sollentunavägen 192 (aktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Eriksbergsskolan (inaktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Skälbyskolan (inaktiv) (PM2.5)","type":"double","nullable":true,"metadata":null,"children":null},{"name":"Töjnaskolan (inaktiv) (PM2.5)","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 Danderydsvägen (aktiv) (PM2.5);\n  optional double field_id=-1 E4 Häggvik (aktiv) (PM2.5);\n  optional double field_id=-1 Ekmans väg 11 (aktiv) (PM2.5);\n  optional double field_id=-1 Sollentunavägen 192 (aktiv) (PM2.5);\n  optional double field_id=-1 Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5);\n  optional double field_id=-1 Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5);\n  optional double field_id=-1 Eriksbergsskolan (inaktiv) (PM2.5);\n  optional double field_id=-1 Skälbyskolan (inaktiv) (PM2.5);\n  optional double field_id=-1 Töjnaskolan (inaktiv) (PM2.5);\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":4000,"head":""}}],["pandas","{\"index_columns\": [\"datetime\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"Danderydsv\\u00e4gen (aktiv) (PM2.5)\", \"field_name\": \"Danderydsv\\u00e4gen (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"E4 H\\u00e4ggvik (aktiv) (PM2.5)\", \"field_name\": \"E4 H\\u00e4ggvik (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Ekmans v\\u00e4g 11 (aktiv) (PM2.5)\", \"field_name\": \"Ekmans v\\u00e4g 11 (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Sollentunav\\u00e4gen 192 (aktiv) (PM2.5)\", \"field_name\": \"Sollentunav\\u00e4gen 192 (aktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)\", \"field_name\": \"Torkel Knutssonsgatan, urban bakgrund Stockholm (aktiv, urban_bakgrund) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)\", \"field_name\": \"Norr Malma, regional bakgrund (aktiv, regional_bakgrund) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Eriksbergsskolan (inaktiv) (PM2.5)\", \"field_name\": \"Eriksbergsskolan (inaktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"Sk\\u00e4lbyskolan (inaktiv) (PM2.5)\", \"field_name\": \"Sk\\u00e4lbyskolan (inaktiv) (PM2.5)\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"T\\u00f6jnaskolan (inaktiv) (PM2.5)\", \"field_name\": \"T\\u00f6jnaskolan (inaktiv) (PM2.5)\", \"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\"}"]]}
[3.747677,5.860535,4.791435,4.806526,6.63221,4.563744,null,null,null,"2022-10-01T02:00:00.000000000"]
[8.2724,13.320709,10.516449,9.753479,12.189209,10.94313,null,null,null,"2022-10-02T02:00:00.000000000"]
[8.402313,13.697067,11.02272,9.829666,11.563873,5.927063,null,null,null,"2022-10-03T02:00:00.000000000"]
[3.312641,3.594902,3.135735,2.979767,2.92244,2.597546,null,null,null,"2022-10-04T02:00:00.000000000"]
[2.909069,4.817032,4.146309,4.122765,4.810104,4.409088,null,null,null,"2022-10-05T02:00:00.000000000"]
[1.861536,3.440502,2.958649,3.087471,2.822453,2.452866,null,null,null,"2022-10-06T02:00:00.000000000"]
[2.721684,5.40654,4.42894,5.008934,4.758911,4.478188,null,null,null,"2022-10-07T02:00:00.000000000"]
[1.858204,3.20903,2.695156,2.894569,2.922874,2.71423,null,null,null,"2022-10-08T02:00:00.000000000"]
[1.438501,1.783812,1.27739,1.581614,1.721724,1.253948,null,null,null,"2022-10-09T02:00:00.000000000"]
[2.337788,4.253372,3.69775,3.924461,3.657932,3.044739,null,null,null,"2022-10-10T02:00:00.000000000"]
[2.13842,3.311886,2.772518,2.846313,3.036163,2.866859,null,null,null,"2022-10-11T02:00:00.000000000"]
[2.747864,3.306236,2.347244,2.644878,2.105232,1.618143,null,null,null,"2022-10-12T02:00:00.000000000"]
[3.544136,6.060936,5.467239,5.674355,5.260757,4.10321,null,null,null,"2022-10-13T02:00:00.000000000"]
[8.299454,14.43573,11.054947,11.6595,11.601257,8.505783,null,null,null,"2022-10-14T02:00:00.000000000"]
[10.430984,17.026672,13.387955,13.445663,15.258743,12.415634,null,null,null,"2022-10-15T02:00:00.000000000"]
[4.408173,7.74662,6.00119,5.911728,6.210327,6.219528,null,null,null,"2022-10-16T02:00:00.000000000"]
[1.995579,null,2.757641,3.715172,3.054832,1.934175,null,null,null,"2022-10-17T02:00:00.000000000"]
[1.371868,2.377647,2.108944,1.996382,1.642792,1.988689,null,null,null,"2022-10-18T02:00:00.000000000"]
[1.415438,1.663813,1.712879,1.891968,1.377266,0.745051,null,null,null,"2022-10-19T02:00:00.000000000"]
[3.701618,2.764721,3.053139,3.599609,2.699615,1.317705,null,null,null,"2022-10-20T02:00:00.000000000"]
[4.438835,5.135666,4.481956,5.789978,4.9683,3.619583,null,null,null,"2022-10-21T02:00:00.000000000"]
[7.723045,9.030838,8.459274,9.351181,9.584076,7.416687,null,null,null,"2022-10-22T02:00:00.000000000"]
[4.936386,6.424187,6.144714,6.163963,5.334053,4.315964,null,null,null,"2022-10-23T02:00:00.000000000"]
[1.666155,2.246475,2.140015,2.500927,2.792282,1.486313,null,null,null,"2022-10-24T02:00:00.000000000"]
[3.607731,4.950668,4.773552,4.818115,5.448868,4.170425,null,null,null,"2022-10-25T02:00:00.000000000"]
[1.171896,1.829939,1.908634,1.694801,1.694721,1.036682,null,null,null,"2022-10-26T02:00:00.000000000"]
[3.66663,5.429474,5.355431,5.738052,6.295517,5.305534,null,null,null,"2022-10-27T02:00:00.000000000"]
[4.047508,5.917793,5.936546,6.32621,7.352005,5.81031,null,null,null,"2022-10-28T02:00:00.000000000"]
[1.792763,null,2.456722,2.654938,2.792572,1.714521,null,null,null,"2022-10-29T02:00:00.000000000"]
[4.454071,null,3.752483,4.617485,2.743504,1.576721,null,null,null,"2022-10-30T02:00:00.000000000"]
[5.08596,null,6.42881,6.248329,6.061371,5.101807,null,null,null,"2022-10-31T02:00:00.000000000"]