galaxos

Space weather, live

Quiet at Kp 0.7, solar wind 320 km/s. No storm expected in the next three days.

Live · Tuesday 20 October
Illustration: a quiet, cloudy night with no auroraNorthern lights tonightIllustration

Within reach of 117 of 243 places

Near you · 🇺🇸 Columbus Not tonight
Kp indexHow stormy space is, 0 to 9
Last 24 hours, every 3 hours
0.7Quiet
0 calm5 storm9
Solar windSpeed past Earth, last 2 hours
320km/s · 300–500 is normal
3-day forecastHighest Kp NOAA expects, by UTC day
TodayKp 4.7
WedKp 3.7
ThuKp 2.7
The sun right now, from NASA's Solar Dynamics Observatory
The sun right nowNASA SDO, live
Magnetic fieldOf the solar wind, right now
-0.8nT Bz · strength 3.2 nT

Slightly south: a little energy gets in.

Radio blackoutsChance today, from solar flares
25%minor (R1–R2)

5% chance of a strong one (R3+). Affects shortwave radio, not phones.

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.