galaxos

Space weather, live

Slightly active at Kp 3.7, solar wind 469 km/s. No storm expected in the next three days.

Live · Wednesday 21 October
Illustration: a quiet, cloudy night with no auroraNorthern lights tonightIllustration

Within reach of 159 of 243 places

Columbus, United StatesNot tonight· near you
Kp indexHow stormy space is, 0 to 9
Last 24 hours, every 3 hours
3.7Slightly active
0 calm5 storm9
Solar windSpeed past Earth, last 2 hours
469km/s · 300–500 is normal
3-day forecastHighest Kp NOAA expects, by UTC day
TodayKp 4.7
ThuKp 4.7
FriKp 2.3
The sun right now in quiet corona, 171 å, from NASA's Solar Dynamics ObservatoryQuiet corona, 171 Å
The sun right nowNASA SDO, live
NOAA's live forecast map of the northern aurora
Live aurora mapNOAA, next 30 minutes
Aurora alerts

One email on the nights the northern lights are likely where you are.