NOAA Space Weather Prediction Center API

curl 'https://services.swpc.noaa.gov/products/alerts.json'

const res = await fetch("https://services.swpc.noaa.gov/products/alerts.json");
if (!res.ok) throw new Error(`Request failed: ${res.status}`);
const data = await res.json();
console.log(data);

import requests

res = requests.get("https://services.swpc.noaa.gov/products/alerts.json", timeout=20)
res.raise_for_status()
print(res.json())

[
  {
    "product_id": "TIIA",
    "issue_datetime": "2026-08-20 20:49:09.870",
    "message": "Space Weather Message Code: ALTTP2\r\nSerial Number: 1523\r\nIssue Time: 2026 Aug 20 2049 UTC\r\n\r\nALERT: Type II Radio Emission \nBegin Time: 2026 Aug 20 1848 UTC\nEstimate Velocity: 927 km/s\nComment: "
  },
  {
    "product_id": "XM5S",
    "issue_datetime": "2026-08-20 12:12:01.710",
    "message": "Space Weather Message Code: SUMXM5\r\nSerial Number: 325\r\nIssue Time: 2026 Aug 20 1212 UTC\r\n\r\nSUMMARY: X-ray Event exceeded M5 \nBegin Time: 2026 Aug 20 1132 UTC\nMaximum Time: 2026 Aug 20 1142 UTC\nEnd Time: 2026 Aug 20 1154 UTC\nXray Class: M8.1\nOptical Class: Sf\nLocation: N04E85\nNoaa Scale: R2 - Moderate\nComment: \r\n\r\nNOAA Scale: R2 - Moderate\r\n\r\nNOAA Space Weather Scale descriptions can be found at\r\nwww.swpc.noaa.gov/noaa-scales-explanation\r\n\r\nPotential Impacts: Area of impact centered primarily on sub-solar point on the sunlit side of Earth.\r\nRadio - Limited blackout of HF (high frequency) radio communication for tens of minutes."
  },
  {
    "product_id": "TIIA",
    "issue_datetime": "2026-08-20 11:58:35.633",
    "message": "Space Weather Message Code: ALTTP2\r\nSerial Number: 1522\r\nIssue Time: 2026 Aug 20 1158 UTC\r\n\r\nALERT: Type II Radio Emission \nBegin Time: 2026 Aug 20 1136 UTC\nEstimate Velocity: 1201 km/s\nComment: SVI\n"
  },
  {
    "product_id": "XM5A",
    "issue_datetime": "2026-08-20 11:39:30.540",
    "message": "Space Weather Message Code: ALTXMF\r\nSerial Number: 540\r\nIssue Time: 2026 Aug 20 1139 UTC\r\n\r\nALERT: X-Ray F