Space weather, live

Slightly active at Kp 3.0, solar wind 405 km/s. No storm expected in the next three days.

Live · Saturday 31 October

Illustration: a quiet, cloudy night with no aurora

Northern lights tonightIllustration

Within reach of 141 of 243 places

Columbus, United StatesNot tonight· near you

Kp indexHow stormy space is, 0 to 9

Last 24 hours, every 3 hours

3.0Slightly active

Solar windSpeed past Earth, last 2 hours

405km/s · 300–500 is normal

06:5007:2007:5008:2008:50

3-day forecastHighest Kp NOAA expects, by UTC day

The sun right now in quiet corona, 171 å, from NASA's Solar Dynamics Observatory

Quiet 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

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