WeatherAPI · Schema
AirQuality
Air quality data. Returned when aqi=yes.
WeatherForecastHistoryMarineAstronomyGeolocationSportsAlertsPublic APIs
Properties
| Name | Type | Description |
|---|---|---|
| co | number | Carbon monoxide µg/m³ |
| o3 | number | Ozone µg/m³ |
| no2 | number | Nitrogen dioxide µg/m³ |
| so2 | number | Sulphur dioxide µg/m³ |
| pm2_5 | number | PM2.5 µg/m³ |
| pm10 | number | PM10 µg/m³ |
| us-epa-index | integer | US EPA index 1–6 (1=Good, 6=Hazardous) |
| gb-defra-index | integer | UK DEFRA index 1–10 |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/api-evangelist/weatherapi/refs/heads/main/json-schema/weatherapi-air-quality-schema.json",
"title": "AirQuality",
"description": "Air quality data. Returned when aqi=yes.",
"type": "object",
"properties": {
"co": {
"type": "number",
"description": "Carbon monoxide µg/m³",
"example": 1.0
},
"o3": {
"type": "number",
"description": "Ozone µg/m³",
"example": 1.0
},
"no2": {
"type": "number",
"description": "Nitrogen dioxide µg/m³",
"example": 1.0
},
"so2": {
"type": "number",
"description": "Sulphur dioxide µg/m³",
"example": 1.0
},
"pm2_5": {
"type": "number",
"description": "PM2.5 µg/m³",
"example": 1.0
},
"pm10": {
"type": "number",
"description": "PM10 µg/m³",
"example": 1.0
},
"us-epa-index": {
"type": "integer",
"description": "US EPA index 1–6 (1=Good, 6=Hazardous)",
"example": 1
},
"gb-defra-index": {
"type": "integer",
"description": "UK DEFRA index 1–10",
"example": 1
}
}
}
Work with this as data
Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/weatherapi-air-quality"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.