{ "$schema": "https://json-structure.org/meta/core/v0/#", "$id": "https://raw.githubusercontent.com/api-evangelist/air-quality-programmatic-apis/refs/heads/main/json-structure/aqicn-station-data-structure.json", "name": "StationData", "description": "Station data including AQI and pollutant readings", "type": "object", "properties": { "aqi": { "type": "int32", "description": "Overall Air Quality Index value", "example": 45 }, "idx": { "type": "int32", "description": "Station ID in AQICN database", "example": 8502 }, "city": { "$ref": "#/components/schemas/CityInfo" }, "time": { "$ref": "#/components/schemas/TimeInfo" }, "iaqi": { "$ref": "#/components/schemas/PollutantData" }, "forecast": { "$ref": "#/components/schemas/ForecastData" }, "attributions": { "type": "array", "description": "Data source attributions", "items": { "$ref": "#/components/schemas/Attribution" } } } }