Air Quality - Benzene (C6H6) Levels in Pays de la LoireQualité de l'air - Niveau de Benzene (C6H6) en Pays de la Loire

Qualité de l'air - Niveau de Benzene (C6H6) en Pays de la LoireAir Quality - Benzene (C6H6) Levels in Pays de la Loire

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This API provides hourly, daily, monthly and annual average concentrations of benzene (C6H6) in ambient air, measured by the permanent air-monitoring network in the Pays de la Loire region of France. Measurements are carried out in accordance with the methodological standards of the national air-quality reference laboratory. The dataset is published via the Pays de la Loire open-data portal and is useful for tracking benzene pollution trends and assessing compliance with air-quality standards at regional level.Moyennes horaires, journalières, mensuelles et annuelles de concentrations en benzène (C6H6) dans l'air ambiant, issues du réseau permanent de mesures en région Pays de la Loire. La mesure de la qualité de l’air ambiant est réalisée conformément aux recommandations du référentiel métier du Labora...

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Data schema (19 fields)

Filterable via the API (19)

nom_deptnom_cominsee_comnom_stationcode_station_ueinfluencenom_pollid_poll_uevaleurunitemetriquedate_debutdate_finstatut_validx_wgs84y_wgs84x_reglementairey_reglementairelibelle_polluant

Click a field to see example values.

Fill	Field	Type	Description
100%	nom_deptDépartement	text	Name of the department where the measuring station is located.Name of the department where the measuring station is located.
100%	nom_comCommune	text	Name of the municipality where the measuring station is located.Name of the municipality where the measuring station is located.
100%	insee_comINSEE commune code	int	INSEE code of the municipality of the measuring station.INSEE code of the municipality of the measuring station.
100%	nom_stationStation	text	Name of the measuring station as assigned by Air Pays de la Loire.nom de la station de mesure déterminé par Air Pays de la Loire.
100%	code_station_ueCode station ue	text	European identifier code of the measuring station.European identifier code of the measuring station.
100%	influence	text	Type of environment influencing the station, e.g. traffic.Type of environment influencing the station, e.g. traffic.
100%	nom_pollCode polluant	text	Chemical code of the pollutant measured by the station.nom du polluant mesuré par la station de mesure.
100%	id_poll_ueCode polluant	int	European reference identifier of the measured pollutant.identifiant du polluant dans le référentiel européen.
96.7%	valeur	double	Measured value of the pollutant for the given station and metric.valeur de la mesure relevée pour un polluant à une station et à une métrique données.
100%	unite	text	Unit of measurement for the pollutant value.unité de la valeur mesurée du polluant.
100%	metrique	text	Time aggregation type of the measurement, e.g. daily or hourly.Time aggregation type of the measurement, e.g. daily or hourly.
100%	date_debutDate debut	datetime	Start date and time of the measurement, in French local time.date de début du relevé de mesure en heure temps local (heure sur le territoire métropolitain français).
100%	date_finDate fin	date	End date of the measurement, in French local time.date de fin du relevé de mesure en heure temps local (heure sur le territoire métropolitain français).
100%	statut_validValidité	text	Validation status of the measurement, true if validated.validité de la mesure relevée, « 1 » si la mesure est validée, « 0 » si la mesure est invalidée.
100%	x_wgs84X wgs84	double	Longitude of the station location in WGS84 coordinates.Longitude of the station location in WGS84 coordinates.
100%	y_wgs84Y wgs84	double	Latitude of the station location in WGS84 coordinates.Latitude of the station location in WGS84 coordinates.
100%	x_reglementaireX reglementaire	double	X coordinate of the station location in Lambert 93 (EPSG:2154).coordonnée x de la localisation de la station de mesure en Lambert 93 (EPSG : 2154).
100%	y_reglementaireY reglementaire	double	Y coordinate of the station location in Lambert 93 (EPSG:2154).coordonnée y de la localisation de la station de mesure en Lambert 93 (EPSG : 2154).
100%	libelle_polluantLibelle polluant	text	Full name of the pollutant measured by the station.nom du polluant mesuré par la station de mesure.

Schema captured from opendatasoft 3 days ago.

Query the data

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Sample data (5 records)

These rows are ODbL-1.0: share-alike. Reusing them obliges you to license any derived database on the same terms.

Record 1unite: µg/m3 · valeur: 0.57

{
  "unite": "µg/m3",
  "valeur": 0.57,
  "nom_com": "Nantes",
  "x_wgs84": -1.5528836760194582,
  "y_wgs84": 47.20437770832524,
  "date_fin": "2020-03-14",
  "metrique": "journaliere",
  "nom_dept": "Loire-Atlantique",
  "nom_poll": "C6H6",
  "influence": "traffic",
  "insee_com": 44109,
  "date_debut": "2020-03-14T00:00:00+00:00",
  "id_poll_ue": 20,
  "nom_station": "VICTOR HUGO",
  "statut_valid": "True",
  "code_station_ue": "FR23140",
  "x_reglementaire": 355542.16489988443,
  "y_reglementaire": 6688165.004913435,
  "libelle_polluant": "Benzene"
}

Record 2unite: µg/m3 · valeur: 0.8

{
  "unite": "µg/m3",
  "valeur": 0.8,
  "nom_com": "Nantes",
  "x_wgs84": -1.5528836760194582,
  "y_wgs84": 47.20437770832524,
  "date_fin": "2011-02-15",
  "metrique": "journaliere",
  "nom_dept": "Loire-Atlantique",
  "nom_poll": "C6H6",
  "influence": "traffic",
  "insee_com": 44109,
  "date_debut": "2011-02-15T00:00:00+00:00",
  "id_poll_ue": 20,
  "nom_station": "VICTOR HUGO",
  "statut_valid": "True",
  "code_station_ue": "FR23140",
  "x_reglementaire": 355542.16489988443,
  "y_reglementaire": 6688165.004913435,
  "libelle_polluant": "Benzene"
}

Record 3unite: µg/m3 · valeur: 0.85

{
  "unite": "µg/m3",
  "valeur": 0.85,
  "nom_com": "Nantes",
  "x_wgs84": -1.5528836760194582,
  "y_wgs84": 47.20437770832524,
  "date_fin": "2010-11-03",
  "metrique": "journaliere",
  "nom_dept": "Loire-Atlantique",
  "nom_poll": "C6H6",
  "influence": "traffic",
  "insee_com": 44109,
  "date_debut": "2010-11-03T00:00:00+00:00",
  "id_poll_ue": 20,
  "nom_station": "VICTOR HUGO",
  "statut_valid": "True",
  "code_station_ue": "FR23140",
  "x_reglementaire": 355542.16489988443,
  "y_reglementaire": 6688165.004913435,
  "libelle_polluant": "Benzene"
}

Record 4unite: µg/m3 · valeur: 0.57

{
  "unite": "µg/m3",
  "valeur": 0.57,
  "nom_com": "Nantes",
  "x_wgs84": -1.5528836760194582,
  "y_wgs84": 47.20437770832524,
  "date_fin": "2011-03-19",
  "metrique": "journaliere",
  "nom_dept": "Loire-Atlantique",
  "nom_poll": "C6H6",
  "influence": "traffic",
  "insee_com": 44109,
  "date_debut": "2011-03-19T00:00:00+00:00",
  "id_poll_ue": 20,
  "nom_station": "VICTOR HUGO",
  "statut_valid": "True",
  "code_station_ue": "FR23140",
  "x_reglementaire": 355542.16489988443,
  "y_reglementaire": 6688165.004913435,
  "libelle_polluant": "Benzene"
}

Record 5unite: µg/m3 · valeur: 1.9

{
  "unite": "µg/m3",
  "valeur": 1.9,
  "nom_com": "Laval",
  "x_wgs84": -0.7731139432319786,
  "y_wgs84": 48.07248306440386,
  "date_fin": "2011-11-18",
  "metrique": "journaliere",
  "nom_dept": "Mayenne",
  "nom_poll": "C6H6",
  "influence": "traffic",
  "insee_com": 53130,
  "date_debut": "2011-11-18T00:00:00+00:00",
  "id_poll_ue": 20,
  "nom_station": "VIEUX SAINT LOUIS",
  "statut_valid": "True",
  "code_station_ue": "FR23229",
  "x_reglementaire": 419094.5200711071,
  "y_reglementaire": 6781390.969343336,
  "libelle_polluant": "Benzene"
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Configuration

Base URL: https://data.paysdelaloire.fr/api/explore/v2.1/catalog/datasets/323-266-205_niveaux_benzene_paysdelaloire

License

Open Data Commons Open Database License 1.0Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.paysdelaloire.fr/api/explore/v2.1/catalog/datasets/323-266-205_niveaux_benzene_paysdelaloire/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.

Full API documentation ↗

Rate limits

5 000 req/day

per ipmeasured

observed 3 days ago

Dataset

Volume & freshness

Records

10k

10186

Last upstream update

4 months ago

2026-06-30

License

No license declared upstream.

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Source: opendatasoft

Machine-readable & source

JSON

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