--- entity_id: city:fr:geonames:3004630 entity_type: city name: Le Chesnay country_code: FR country: France slug: le-chesnay canonical_url: https://immigrationdb.com/cities/fr/le-chesnay/ json_url: https://immigrationdb.com/data/cities/fr/le-chesnay.json markdown_url: https://immigrationdb.com/data/cities/fr/le-chesnay.md mcp_uri: immigrationdb://city/fr/le-chesnay snapshot_id: approved-static-d7ed373c115d60d0 generated_at: 2026-09-12 last_verified: 2026-09-06 fact_count: 13 language_location_count: 0 employment_location_count: 0 city_intent_block_count: 1 usefulness_tier: answer_linked indexable: true metric_dictionary_url: https://immigrationdb.com/data/metrics.json license_url: https://immigrationdb.com/about/copyright/ citation_schema: immigrationdb-citation-v1 citation_canonical_url: https://immigrationdb.com/cities/fr/le-chesnay/ citation_title: "Le Chesnay, France: air quality, climate" citation_author: ImmigrationDB citation_publisher: ImmigrationDB citation_snapshot_id: approved-static-d7ed373c115d60d0 citation_version: approved-static-d7ed373c115d60d0 citation_retrieval_date: 2026-09-12 citation_build_date: 2026-09-12 citation_license_url: https://creativecommons.org/licenses/by/4.0/ --- # Le Chesnay Le Chesnay is a city in France, and the figures below are its published values. ## Mobility Le Chesnay's nearest airport was ORY, 20 km away and offered 119 direct destinations. ## Climate Monthly mean temperatures were 4.2°C in January and 19.6°C in July. Monthly precipitation was 55.3 mm in January and 53.3 mm in July. Le Chesnay's average monthly sunshine was 58 hours in January and 217 hours in July. ## Healthcare Le Chesnay recorded 819.8 beds per 100,000 residents at the end of 2011. ## Facts | Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 8 µg/m³ | nearest_station | 2024-12-31 | 2026-08-05 | stale | supplemental | [1] | | Average daytime high by month | `climate_monthly_high_c` | Jan 6.7 · Feb 8 · Mar 12.1 · Apr 15.8 · May 19.3 · Jun 22.8 · Jul 25.2 · Aug 25.2 · Sep 21 · Oct 15.9 · Nov 10.4 · Dec 7.1 °C | nearest_station | 1991-12-31 | 2026-08-06 | stale | verified | [2] | | Average night-time low by month | `climate_monthly_low_c` | Jan 1.6 · Feb 1.4 · Mar 3.5 · Apr 5.5 · May 8.9 · Jun 12.1 · Jul 13.9 · Aug 13.6 · Sep 10.6 · Oct 8 · Nov 4.5 · Dec 2.1 °C | nearest_station | 1991-12-31 | 2026-08-06 | stale | verified | [3] | | Average temperature by month | `climate_monthly_mean_c` | Jan 4.2 · Feb 4.7 · Mar 7.8 · Apr 10.6 · May 14.1 · Jun 17.4 · Jul 19.6 · Aug 19.4 · Sep 15.8 · Oct 11.9 · Nov 7.4 · Dec 4.6 °C | nearest_station | 1991-12-31 | 2026-08-06 | stale | verified | [4] | | Average precipitation by month | `climate_monthly_precip_mm` | Jan 55.3 · Feb 46.9 · Mar 49.5 · Apr 49.6 · May 68.2 · Jun 55.4 · Jul 53.3 · Aug 58.2 · Sep 52.1 · Oct 61.3 · Nov 60.8 · Dec 66.4 mm | nearest_station | 1991-12-31 | 2026-08-06 | stale | verified | [5] | | Average sunshine by month | `climate_monthly_sunshine_h` | Jan 58 · Feb 76 · Mar 133 · Apr 170 · May 198 · Jun 209 · Jul 217 · Aug 211 · Sep 171 · Oct 110 · Nov 62 · Dec 53 hours | nearest_station | 1991-12-31 | 2026-08-06 | stale | verified | [6] | | Hospital Beds Per 100k | `hospital_beds_per_100k` | 819.8 beds per 100,000 | city | 2011-12-31 | 2026-08-03 | stale | verified | [7] | | Primary School Count | `primary_school_count` | 0 count | city | 2026-08-03 | 2026-08-03 | fresh | verified | [8] | | School Count | `school_count` | 0 count | city | 2026-08-03 | 2026-08-03 | fresh | verified | [8] | | Universities | `universities_count` | 0 count | city | 2026-08-03 | 2026-08-03 | fresh | verified | [9] | | Airport Direct Destinations Count | `airport_direct_destinations_count` | 119 count | city | 2026-08-03 | 2026-08-03 | fresh | verified | [10] | | Nearest Major Airport Distance Km | `nearest_major_airport_distance_km` | 20 km | city | 2026-08-03 | 2026-08-03 | fresh | verified | [11] | | Nearest Major Airport Iata | `nearest_major_airport_iata` | ORY | city | 2026-08-03 | 2026-08-03 | fresh | verified | [11] | Every row keeps the value, unit, geographic scope, observation date, verification date and the numbered source below. A missing metric means the city does not publish it; nothing is imputed. ## Language courses and integration - [Contrat d’intégration républicaine (CIR)](https://www.service-public.fr/particuliers/vosdroits/F17450) — Integration course · État français and OFII · French · checked 2026-08-10 - [DIAN language-training offer finder](https://reseau.intercariforef.org/formations/recherche-formations-dian.html) — Other · Réseau des Carif-Oref and DIAN · French · checked 2026-08-10 - [Qualité FLE labelled-centre network](https://www.france-education-international.fr/article/contact-cours-francais?langue=fr) — Other · France Éducation international · French · checked 2026-08-10 These are country-level programmes, not proof of a course location in this city. ## Public employment service - [France Travail](https://www.francetravail.fr/candidat/) — Job Search, Unemployment Claim This is a country-level service, not proof of a physical office in this city. ## Healthcare access Migrants can receive medical care in Le Chesnay when the country-wide insurance or residence conditions are met. City capacity facts do not determine personal eligibility. - Public healthcare access for foreign residents: Conditional — [official source](https://www.ameli.fr/assure/droits-demarches/principes/protection-universelle-maladie) - Hospital Beds Per 100k: 819.8 beds per 100,000 — [official source](https://www.data.gouv.fr/storage/f/2014-01-10T17-34-07/SAE_2011.xls) ## Country-wide rules Visa, benefit, tax and healthcare eligibility rules are published on the [France country page](https://immigrationdb.com/countries/france/). ## Relationship to a nearby hub ### Is Le Chesnay part of Paris? Le Chesnay is near Paris, but the collected evidence does not establish that it is administratively part of the hub or an official satellite. It is about 16.6 km away by straight-line distance. - Source: https://gisco-services.ec.europa.eu/distribution/v2/lau/geojson/LAU_RG_01M_2024_4326.geojson ## Sources 1. Collected source — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=Country_ISO%3D%27FR%27%20AND%20AirPollutant%3D%27PM2.5%27%20AND%20YearOfStatistics%3D2024&outFields=AirPollutant,AirPollutionLevel,Country_ISO,StationName,YearOfStatistics,UnitOfAirpollutionLevel,ReportingMetric,LatitudeOfMeasurementStation,LongitudeOfMeasurementStation,DataCoverage,Preliminary&returnGeometry=false&f=json 2. NOAA National Centers for Environmental Information / WMO — Official source — https://www.nodc.noaa.gov/archive/arc0216/0253808/1.1/data/0-data/data-composite-primary-parameters/wmo_normals_9120_TMAX.csv 3. NOAA National Centers for Environmental Information / WMO — Official source — https://www.nodc.noaa.gov/archive/arc0216/0253808/1.1/data/0-data/data-composite-primary-parameters/wmo_normals_9120_TMIN.csv 4. NOAA National Centers for Environmental Information / WMO — Official source — https://www.nodc.noaa.gov/archive/arc0216/0253808/1.1/data/0-data/data-composite-primary-parameters/wmo_normals_9120_TAVG.csv 5. NOAA National Centers for Environmental Information / WMO — Official source — https://www.nodc.noaa.gov/archive/arc0216/0253808/1.1/data/0-data/data-composite-primary-parameters/wmo_normals_9120_PRCP.csv 6. NOAA National Centers for Environmental Information / WMO — Official source — https://www.nodc.noaa.gov/archive/arc0216/0253808/1.1/data/0-data/data-composite-primary-parameters/wmo_normals_9120_TSUN.csv 7. DREES / DGOS – Statistique Annuelle des Établissements de Santé (SAE) 2011 — Official source — https://www.data.gouv.fr/storage/f/2014-01-10T17-34-07/SAE_2011.xls 8. Ministère de l'Éducation nationale (data.education.gouv.fr) — Official source — https://data.education.gouv.fr/explore/dataset/fr-en-annuaire-education/api/ 9. Ministère de l'Enseignement supérieur et de la Recherche (data.enseignementsup-recherche.gouv.fr) — Official source — https://data.enseignementsup-recherche.gouv.fr/explore/dataset/fr-esr-principaux-etablissements-enseignement-superieur/api/ 10. OpenFlights — Official source — https://raw.githubusercontent.com/jpatokal/openflights/master/data/routes.dat 11. OurAirports — Official source — https://davidmegginson.github.io/ourairports-data/airports.csv ## Cite This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately. ### APA ImmigrationDB. (2026, September 12). Le Chesnay, France: air quality, climate [ImmigrationDB compilation; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0]. ImmigrationDB. https://immigrationdb.com/cities/fr/le-chesnay/ Retrieved 2026-09-12. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ ### BibTeX ```bibtex @misc{immigrationdb_immigrationdb_le-chesnay-france-air-quality-climate_b288ae8bb370, author = {ImmigrationDB}, title = {Le Chesnay, France: air quality, climate}, publisher = {ImmigrationDB}, year = {2026}, date = {2026-09-12}, version = {approved-static-d7ed373c115d60d0}, snapshot = {approved-static-d7ed373c115d60d0}, url = {https://immigrationdb.com/cities/fr/le-chesnay/}, note = {Retrieved 2026-09-12. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/}, } ``` ### Markdown [Le Chesnay, France: air quality, climate](https://immigrationdb.com/cities/fr/le-chesnay/) — ImmigrationDB; ImmigrationDB; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0; retrieved 2026-09-12; built 2026-09-12. - Citation schema: `immigrationdb-citation-v1` - Canonical URL: https://immigrationdb.com/cities/fr/le-chesnay/ - Title: Le Chesnay, France: air quality, climate - Author: ImmigrationDB - Publisher: ImmigrationDB - Snapshot: `approved-static-d7ed373c115d60d0` - Version: `approved-static-d7ed373c115d60d0` - Retrieved: 2026-09-12 - Built: 2026-09-12 - Compilation license: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) ## Data - HTML: https://immigrationdb.com/cities/fr/le-chesnay/ - JSON: https://immigrationdb.com/data/cities/fr/le-chesnay.json - Markdown: https://immigrationdb.com/data/cities/fr/le-chesnay.md - MCP resource: immigrationdb://city/fr/le-chesnay - Metric dictionary: https://immigrationdb.com/data/metrics.json - City shard index: https://immigrationdb.com/data/cities/index.json - Release catalog: https://immigrationdb.com/data/catalog.json