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  "path": "/2026/03/21/geomagnetic-storm-reaches-g3-levels-after-march-18-cme-impacts-earth/",
  "publishedAt": "2026-03-21T10:32:59.000Z",
  "site": "https://watchers.news",
  "tags": [
    "Geomagnetic storms",
    "g3 storm",
    "geomagnetic storm",
    "solar activity",
    "space weather",
    "Source"
  ],
  "textContent": "A G3 - Strong geomagnetic storm developed late on March 20 into early March 21, 2026, after a coronal mass ejection that left the Sun on March 18 impacted Earth. The storm intensified after at least two CME arrivals, with solar wind speeds reaching 567 km/s and the interplanetary magnetic field turning strongly southward to −28 nT.\n\nSource",
  "title": "Geomagnetic storm reaches G3 levels after March 18 CME impacts Earth"
}