Free email alerts

Get notified when Earth's field hits storm level

One short email when the Kp-Index reaches 5 or higher — that's the G1+ geomagnetic-storm threshold. We tell you what's happening, what the data shows, and what people commonly notice. No marketing, no daily emails, unsubscribe in one click.

We use Kit (kit.com) to send the alerts. One-click unsubscribe in every email.

What you'll get

What you won't get