NOAA Space Weather

Solar wind, geomagnetic Kp index, aurora forecasts and solar flare alerts from NOAA's Space Weather Prediction Center, as JSON feeds.

Science & MathAuth: NoneHTTPS: YesCORS: yesStatus: alive

Last verified: November 12, 2026

100% uptime: the documentation responded in 3 of 3 checks over the last 30 days. Median response time: 972 ms.

// Fetch the docs page with cURL
curl https://www.swpc.noaa.gov/content/data-access

November 12, 2026: last health check, responding
November 9, 2026: Added to the directory (government api, verified by api bouncer)