Air Quality Programmatic APIs · JSON Structure

Aqicn Forecast Day Structure

Single-day forecast value

Type: object Properties: 4
Air QualityEnvironmentEPAOpen DataPublic HealthIoTGovernment DataReal-Time Data

ForecastDay is a JSON Structure definition published by Air Quality Programmatic APIs, describing 4 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

avg day max min

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

Raw ↑ 
{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/air-quality-programmatic-apis/refs/heads/main/json-structure/aqicn-forecast-day-structure.json",
  "name": "ForecastDay",
  "description": "Single-day forecast value",
  "type": "object",
  "properties": {
    "avg": {
      "type": "int32",
      "description": "Average AQI for the day",
      "example": 52
    },
    "day": {
      "type": "string",
      "description": "Date string",
      "example": "2025-04-20"
    },
    "max": {
      "type": "int32",
      "description": "Maximum AQI for the day",
      "example": 78
    },
    "min": {
      "type": "int32",
      "description": "Minimum AQI for the day",
      "example": 31
    }
  }
}