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Space Weather Now
Geomagnetic storm, solar radiation and radio blackout alerts from NOAA’s Space Weather Prediction Center, including aurora-relevant storm levels.
Where this data comes from
- NOAA Space Weather Prediction Center alerts
Official alerts are shown exactly as issued and graded SEV-1 (extreme) to SEV-4 (minor). Each event shows its sources, how many independent feeds confirm it, and when it was received. About our data.
Frequently asked questions
Will I see the aurora tonight?
Strong geomagnetic storms (G3 and above) can push the aurora much farther from the poles. Watch for G-scale storm alerts on the live map.
Is space weather dangerous?
Not to people on the ground, but severe storms can disrupt GPS, radio, satellites and power grids.
Stay safe
Read the space weather safety guide, and keep the emergency number for where you are.
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