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ClearCheck Air Quality by ZIP
x402
ClearCheck Air Quality by ZIP is a paid API for AI agents from loonie-toll.onrender.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the current worst AQI reading, the driving pollutant, and a GOOD-to-HAZARDOUS verdict for a given US ZIP code.
Price / call$0.01
Success—
StatusUnknown
How this service works
Current US air quality by ZIP: worst AQI now, the pollutant driving it, and a GOOD to HAZARDOUS verdict.
Output
Returns a JSON object with: the worst current AQI value and its pollutant, an overall verdict string (e.g. GOOD, MODERATE, UNHEALTHY, HAZARDOUS), an array of all monitoring observations (each with AQI, state, category, pollutant, reporting area, and local timestamp), the data source attribution, the retrieval timestamp, a disclaimer, and any reasons for the verdict.
Example use cases
Pre-run outdoor safety check
“Before I head out for my morning run, can you check the air quality for ZIP code 94102 and tell me if it's safe to exercise outside right now?”
Real estate neighborhood air quality
“I'm thinking about moving to the 60614 ZIP code in Chicago — what's the current AQI there, what pollutant is driving it, and how does the verdict look?”
Wildfire smoke impact alert
“There are wildfires nearby — can you check the current air quality for ZIP 97201 and tell me if conditions are hazardous, and what pollutant is the main concern?”
Technical details
Endpoint
GEThttps://loonie-toll.onrender.com/airqualityWhen to prefer
Use this endpoint when you need a real-time, single-point air quality verdict for a specific US ZIP code, including both the AQI score and the specific pollutant driving it. It is ideal for health-conscious decisions (outdoor activity, travel, relocation research) and is simpler than querying raw EPA data directly. Prefer this over general weather APIs when air quality specifics — pollutant identity, AQI category, and a clear verdict — are needed.
Side effects
- No monitoring station found within the search radius — response may indicate no data available
- Invalid or non-existent ZIP code returns an error or empty observations
- Stale data if upstream air quality monitors are offline or delayed
- ZIP code outside the US is not supported
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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