Air Quality Programmatic APIs · Schema

ForecastDay

Single-day forecast value

Air QualityEnvironmentEPAOpen DataPublic HealthIoTGovernment DataReal-Time Data

Properties

Name Type Description
avg integer Average AQI for the day
day string Date string
max integer Maximum AQI for the day
min integer Minimum AQI for the day
View JSON Schema on GitHub

JSON Schema

aqicn-forecast-day-schema.json Raw ↑ 
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/air-quality-programmatic-apis/refs/heads/main/json-schema/aqicn-forecast-day-schema.json",
  "title": "ForecastDay",
  "description": "Single-day forecast value",
  "type": "object",
  "properties": {
    "avg": {
      "type": "integer",
      "description": "Average AQI for the day",
      "example": 52
    },
    "day": {
      "type": "string",
      "description": "Date string",
      "example": "2025-04-20"
    },
    "max": {
      "type": "integer",
      "description": "Maximum AQI for the day",
      "example": 78
    },
    "min": {
      "type": "integer",
      "description": "Minimum AQI for the day",
      "example": 31
    }
  }
}