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AEML Regional Environmental Gauge Bundle (AQI + Rainfall + River)
x402
AEML Regional Environmental Gauge Bundle (AQI + Rainfall + River) is a paid API for AI agents from aeml-x402.zeabur.app, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-15).
Returns a unified cross-signal bundle for a location combining air quality index, precipitation/drought status, and nearby river gage height/streamflow, with a cross-line narrative tying the signals together.
Price / call$0.25
Success—
StatusUnknown
How this service works
[3-LEG] Local three-leg environment chain, one location (?loc=): leading air quality (AQI) -> current precipitation, rain and 30-day dry-wet -> realized nearest river stage and streamflow (confirmation gate). A sequential chain, not one reading - confidence = how many legs are lit, in order. Sources: EPA/CAMS, ERA5, USGS. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.
Output
A JSON object containing: (1) legs — keyed readings for each signal (AQI, drought/rainfall, gage height/streamflow) with current values, observation timestamps, data age, and record hashes; (2) cross_line_narrative — a plain-language description of how the signals relate; (3) provenance including freshness status and data lineage; (4) scope and grade disclosures; (5) decision_points listing swappable signal tags; and (6) an offline-verifiable citation object with Ed25519 signature for zero-trust verification.
Example use cases
Wildfire smoke and drought correlation check
“I need to know if the poor air quality in Sacramento is connected to drought conditions — can you get the combined AQI, rainfall drought signal, and river streamflow reading for Sacramento with the cross-line narrative?”
Flood risk during drought reversal event
“There's a big storm moving through Denver — can you pull the integrated environmental bundle for Denver so I can see the current river gage height, precipitation signal, and air quality together and understand how they interact?”
Outdoor event environmental safety check
“We're hosting an outdoor festival near Nashville next weekend — can you get the air quality index, drought and rainfall status, and nearby river levels for Nashville all in one go, with the narrative tying them together?”
Technical details
Endpoint
GEThttps://aeml-x402.zeabur.app/gauge/regionWhen to prefer
Choose this endpoint when you need a correlated, multi-signal environmental picture of a single location in one paid call — specifically when AQI, precipitation/drought, and river hydrology need to be interpreted together rather than fetched from separate APIs. Prefer this over individual signal endpoints when the cross-signal narrative adds value, when you want provenance and freshness metadata in a single response, or when you need an offline-verifiable citation bundle. Not appropriate for weather forecasting, decision-making advice, or precision hydrological modeling.
Side effects
- Invalid or unrecognized location returns an error — loc parameter must identify a supported geographic region
- If upstream data sources are stale or frozen, freshness field will reflect 'stale' status and data_age_hours will be elevated
- Some legs may be unavailable for a given location if no monitoring stations exist nearby
- Missing loc parameter returns a bad request error
- Payment failure via x402 protocol prevents call from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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