Air Quality Index - Angers Loire MétropoleIndice de qualité de l'air - Angers Loire Métropole

Indice de qualité de l'air - Angers Loire MétropoleAir Quality Index - Angers Loire Métropole

indice-de-qualite-de-lair-angers-loire-metropole

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This dataset, published by Angers Loire Métropole, provides the historical air quality index for the Angers area covering 1 January 2019 to 23 December 2020. It is no longer updated, having been superseded by a newer air quality index dataset. It remains available on the portal for historical reference purposes, allowing users to consult past air quality index values for the period before the methodology was changed. For current figures, the replacement dataset referenced in the source description should be consulted instead.CE JEU DE DONNEES N'EST PLUS MIS A JOUR ! Ce jeu de données est toujours présent sur ce site car présentant l'historicité de ce précédent indice du 1er janvier 2019 au 23 décembre 2020. Désormais se référer à ce jeu de données présentant le nouveau indice de qualité de l'air Indice de qualité de...

environment

⬇ Export CSV List records Select & filter Run verified request Read the docs

Trust score

How is this computed?

fair

Weighted across five axes. Tap a ring for what it measures.

Data schema (11 fields)

Filterable via the API (9)

idvaleurqualiftypecouleurdate_echcode_zonelib_zonesource

Click a field to see example values.

Fill	Field	Type	Description
100%	id	int	Unique record identifier.Unique record identifier.
100%	valeur	int	Numeric air quality index value.Numeric air quality index value.
99.9%	qualif	text	Qualitative rating of air quality, e.g. good.Qualitative rating of air quality, e.g. good.
100%	type	text	Type of index value, e.g. observed or forecast.Type of index value, e.g. observed or forecast.
99.9%	couleur	text	Hexadecimal color code representing the index level.Hexadecimal color code representing the index level.
100%	date_echDate ech	date	Date the index value applies to.Date the index value applies to.
100%	code_zoneCode zone	int	Numeric code identifying the geographic zone.Numeric code identifying the geographic zone.
100%	lib_zoneLib zone	text	Name of the geographic zone covered.Name of the geographic zone covered.
100%	source	text	Organization providing the air quality data.Organization providing the air quality data.
100%	geo_shapeShape	geo_shape	Geographic shape (GeoJSON) of the zone.Geographic shape (GeoJSON) of the zone.
—	geo_point_2dCoordinates	geo_point_2d	Geographic coordinates (latitude, longitude) of the zone.Geographic coordinates (latitude, longitude) of the zone.

Schema captured from opendatasoft 3 days ago.

Query the data

Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.

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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 1id: 338 · type: constat

{
  "id": 338,
  "type": "constat",
  "qualif": "bon",
  "source": "Air Pays de la Loire",
  "valeur": 3,
  "couleur": "#19FF19",
  "date_ech": "2020-11-05",
  "lib_zone": "Angers Loire Métropole",
  "code_zone": 244900015,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.363100957281577,
        -5.983561018616735
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": -5.983561018616735,
    "lon": -1.363100957281577
  }
}

Record 2id: 2655 · type: constat

{
  "id": 2655,
  "type": "constat",
  "qualif": "bon",
  "source": "Air Pays de la Loire",
  "valeur": 4,
  "couleur": "#19FF19",
  "date_ech": "2019-12-10",
  "lib_zone": "Angers Loire Métropole",
  "code_zone": 244900015,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.363100957281577,
        -5.983561018616735
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": -5.983561018616735,
    "lon": -1.363100957281577
  }
}

Record 3id: 681 · type: constat

{
  "id": 681,
  "type": "constat",
  "qualif": "médiocre",
  "source": "Air Pays de la Loire",
  "valeur": 7,
  "couleur": "#FFC800",
  "date_ech": "2020-09-17",
  "lib_zone": "Angers Loire Métropole",
  "code_zone": 244900015,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.363100957281577,
        -5.983561018616735
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": -5.983561018616735,
    "lon": -1.363100957281577
  }
}

Record 4id: 4181 · type: constat

{
  "id": 4181,
  "type": "constat",
  "qualif": "moyen",
  "source": "Air Pays de la Loire",
  "valeur": 5,
  "couleur": "#FFC800",
  "date_ech": "2019-05-06",
  "lib_zone": "Angers Loire Métropole",
  "code_zone": 244900015,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.363100957281577,
        -5.983561018616735
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": -5.983561018616735,
    "lon": -1.363100957281577
  }
}

Record 5id: 3600 · type: constat

{
  "id": 3600,
  "type": "constat",
  "qualif": "bon",
  "source": "Air Pays de la Loire",
  "valeur": 3,
  "couleur": "#19FF19",
  "date_ech": "2019-07-28",
  "lib_zone": "Angers Loire Métropole",
  "code_zone": 244900015,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.363100957281577,
        -5.983561018616735
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": -5.983561018616735,
    "lon": -1.363100957281577
  }
}

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

Verification Status

Using the API

Configuration

Base URL: https://data.angers.fr/api/explore/v2.1/catalog/datasets/indice-de-qualite-de-lair-angers-loire-metropole

License

Open Data Commons Open Database License 1.0Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.angers.fr/api/explore/v2.1/catalog/datasets/indice-de-qualite-de-lair-angers-loire-metropole/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

723

Last upstream update

11 months ago

2025-11-26

License

No license declared upstream.

○ Documentation○ Data dictionary○ Versioning

Source: opendatasoft

Machine-readable & source

JSON

Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.