Air quality measured at the Châtelet RER A stationQualité de l'air mesurée dans la station Châtelet RER A
Qualité de l'air mesurée dans la station Châtelet RER AAir quality measured at the Châtelet RER A station
This dataset provides air quality measurements recorded at the Châtelet RER A underground station in Paris. It is published by RATP, the operator of Paris's metro and RER network, as part of its ongoing monitoring and expertise on air quality within underground rail facilities. Surveillance is primarily based on maintaining hygiene and cleanliness standards in RATP spaces, for both passengers and staff. The data can be used to track pollutant levels in confined transit environments and support public information on underground air quality in the Île-de-France region.La RATP exerce en permanence une activité de veille et d’expertise sur la qualité de l’air circulant dans les enceintes ferroviaires souterraines. La surveillance repose en premier lieu sur le respect des conditions d’hygiène et de propreté des espaces de la RATP, tant pour les voyageurs que pour...
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Data schema (4 fields)
Click a field to see example values.
| Fill | Field | Type | Description |
|---|---|---|---|
| 100% | dateheure | datetime | Date and time of the measurement.Date / Heure |
| — | 10chataPM10 | text | PM10 particulate matter concentration, in µg/m³.Unité = µg.m-3 |
| 100% | tchataTEMP | text | Air temperature at the station, in degrees Celsius.Température Unité = degr |
| 100% | hychataHUMI | text | Relative humidity at the station, as a percentage.Humidité relative Unité = % |
Schema captured from opendatasoft 2 days ago.
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Sample data (5 records)
| dateheure | 10chata | tchata | hychata |
|---|---|---|---|
| 2023-07-29T02:00:00+00:00 | ND | 25,5 | 58,8 |
| 2026-03-20T19:00:00+00:00 | 103 | 18,4 | 30 |
| 2025-08-02T02:00:00+00:00 | 12 | 24,5 | 47,8 |
| 2023-01-15T07:00:00+00:00 | 18 | 16,5 | 43,9 |
| 2024-09-13T08:00:00+00:00 | 130 | 20,5 | 45,1 |
Live sample captured at profiling time — values may have changed upstream.
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Using the API
Configuration
- Base URL
- https://data.iledefrance.fr/api/explore/v2.1/catalog/datasets/qualite-de-l-air-mesuree-dans-la-station-chatelet-rer-a
License
- ✓ Redistributable
- ✓ Attribution required
Query examples
curl -s 'https://data.iledefrance.fr/api/explore/v2.1/catalog/datasets/qualite-de-l-air-mesuree-dans-la-station-chatelet-rer-a/records?limit=20' -H 'Accept: application/json'First 20 records of the dataset as JSON.
Uses the Opendatasoft Explore v2.1 syntax — supports select, where, group_by and order_by.
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Dataset
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License
No license declared upstream.
Source: opendatasoft
Machine-readable & source
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