{"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\"}"]]}
[3.203079,2.12236,2.490356,null,1.84906,2.20126,2.127518,null,null,"2020-07-01T02:00:00.000000000"]
[3.989422,2.812038,2.814053,null,2.390095,2.629585,2.910686,null,null,"2020-07-02T02:00:00.000000000"]
[2.933418,1.815781,1.969431,null,1.868334,1.716396,2.092175,null,null,"2020-07-03T02:00:00.000000000"]
[2.246731,1.725822,1.670965,null,1.408607,1.380602,1.656506,null,null,"2020-07-04T02:00:00.000000000"]
[null,2.596668,2.503109,null,2.578033,1.92996,2.663025,null,null,"2020-07-05T02:00:00.000000000"]
[null,2.008915,1.991499,null,1.636198,1.832825,2.117718,null,null,"2020-07-06T02:00:00.000000000"]
[1.732138,1.152847,1.186235,null,0.970405,1.151613,1.152779,null,null,"2020-07-07T02:00:00.000000000"]
[1.983519,1.763472,1.392784,null,1.191698,1.10182,1.391346,null,null,"2020-07-08T02:00:00.000000000"]
[1.639168,1.219961,1.431871,null,1.028965,0.898101,1.059774,null,null,"2020-07-09T02:00:00.000000000"]
[3.226158,2.623119,2.183559,null,2.222309,1.612255,2.269825,null,null,"2020-07-10T02:00:00.000000000"]
[3.050564,2.064167,2.207756,null,1.759739,1.479139,2.002029,null,null,"2020-07-11T02:00:00.000000000"]
[2.001381,1.288557,1.419067,null,1.367964,2.337585,1.369375,null,null,"2020-07-12T02:00:00.000000000"]
[2.481251,1.809599,1.756603,null,1.706575,1.374313,1.600065,null,null,"2020-07-13T02:00:00.000000000"]
[5.344673,3.51807,3.092609,null,3.08601,2.59341,3.375828,null,null,"2020-07-14T02:00:00.000000000"]
[5.360672,3.718967,3.388035,null,3.685581,4.17289,3.789524,null,null,"2020-07-15T02:00:00.000000000"]
[6.379036,4.301224,3.95224,null,3.779808,3.173645,4.135597,null,null,"2020-07-16T02:00:00.000000000"]
[5.494873,3.251877,2.868828,null,2.65226,3.864941,2.9799,null,null,"2020-07-17T02:00:00.000000000"]
[5.835403,3.376652,3.140186,null,2.885975,3.153225,3.297718,null,null,"2020-07-18T02:00:00.000000000"]
[8.467117,4.95932,4.755005,null,4.259827,4.977203,4.760216,null,null,"2020-07-19T02:00:00.000000000"]
[8.81308,5.852432,5.249321,null,4.81414,5.480751,5.841736,null,null,"2020-07-20T02:00:00.000000000"]
[1.78565,1.377989,1.51615,null,1.218277,1.415352,1.27832,null,null,"2020-07-21T02:00:00.000000000"]
[1.173199,1.037178,1.494598,null,0.800949,0.784701,0.824414,null,null,"2020-07-22T02:00:00.000000000"]
[0.868977,0.800778,0.917614,null,0.591164,0.445453,0.568871,null,null,"2020-07-23T02:00:00.000000000"]
[1.14489,0.739196,1.103382,null,0.728332,0.611819,0.741406,null,null,"2020-07-24T02:00:00.000000000"]
[1.893539,1.005615,1.236494,null,1.000566,0.789593,1.254816,null,null,"2020-07-25T02:00:00.000000000"]
[3.567894,2.234375,2.139992,null,1.914923,2.56768,2.155563,null,null,"2020-07-26T02:00:00.000000000"]
[7.845657,3.597176,3.434956,null,3.151821,3.575851,3.858047,null,null,"2020-07-27T02:00:00.000000000"]
[7.414658,4.219933,4.584709,null,4.765427,4.282082,4.977806,null,null,"2020-07-28T02:00:00.000000000"]
[4.206985,2.492508,2.643959,null,2.329845,2.903336,2.72261,null,null,"2020-07-29T02:00:00.000000000"]
[2.820377,1.844707,2.01318,null,1.541529,1.567772,1.885456,null,null,"2020-07-30T02:00:00.000000000"]
[5.303032,3.377125,3.744453,null,3.330181,3.765621,3.832802,null,null,"2020-07-31T02:00:00.000000000"]