See the northern lights
from France, tonight.
Real-time forecast by city, live Kp index, free email alerts when an aurora becomes visible from your location. The same data space agencies use, made accessible.
Source: app.pulsar-si.com
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Get an alert the moment an aurora becomes visible from your location. Kp index, hemispheric power and forecasts in your pocket.
Major event · T-109 days
Solar eclipse - 12 August 2026
Up to 96% of the Sun covered from southwestern France. Per-city times, visibility map, safe-observation guide.
Auroras tonight by city
See all →Authoritative live data
Kp index, hemispheric power, solar wind and forecasts. The same data continuously processed by app.pulsar-si.com.
Free personalised alerts
Get an email or notification the moment an aurora becomes visible from your city. Adjustable Kp threshold, free alerts.
Explained plainly
Kp index, solar storm, solar wind, solar cycle: clear guides that skip the jargon.