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NOAA Space Weather NOAA Space Weather Scales & Alerts
x402
NOAA Space Weather NOAA Space Weather Scales & Alerts is a paid API for AI agents from opendata402.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-15).
Returns current and forecasted NOAA R/S/G space weather scales, the latest planetary Kp index, and recent alerts and warnings from NOAA's Space Weather Prediction Center.
Price / call$0.001
Success—
StatusUnknown
How this service works
Current space weather from NOAA's Space Weather Prediction Center: the R (radio blackout), S (solar radiation) and G (geomagnetic storm) scales now and forecast for the next days, the latest planetary Kp index and the most recent alerts and warnings. Use it for GPS/GNSS, HF radio, satellite, drone, aviation and power-grid risk checks, or aurora chances.
Output
Returns the current NOAA R (radio blackout), S (solar radiation storm), and G (geomagnetic storm) scale levels and their multi-day forecasts, the latest planetary Kp index value, and the most recent NOAA space weather alerts and warnings — all sourced from the SWPC in near-real-time.
Example use cases
Aurora viewing chance check
“Is there a good chance of seeing the northern lights tonight? What's the current Kp index and geomagnetic storm level from NOAA?”
HF radio operator blackout risk
“I'm about to run a long-distance HF radio session — what's the current NOAA radio blackout R-scale level and is there any solar radiation storm warning I should know about?”
Satellite operator storm forecast
“We're scheduling a critical satellite maneuver for the next 48 hours — can you pull the NOAA geomagnetic storm G-scale forecast and any active space weather alerts that could affect our operations?”
Technical details
Endpoint
GEThttps://opendata402.com/v1/space-weather?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative, real-time NOAA-sourced space weather data covering all three official scales (R/S/G), the Kp index, and official alerts in a single call. Prefer it over scraping NOAA's website directly or using general weather APIs that do not cover space weather. Ideal for any application assessing risks to GPS/GNSS, HF radio, satellite systems, aviation, drone operations, power grids, or aurora visibility.
Side effects
- NOAA SWPC upstream outage returns error or stale data
- Rate limiting if too many requests in short succession
- Empty alerts array when no active warnings exist (normal condition, not an error)
- Partial data if NOAA feed is delayed during a high-activity event
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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