NOAA / Space Weather Prediction Center

Space Weather Now

2009 Aug 25 03:45 UTC (Aug 24 21:45 MDT)

Latest Mauna Loa Image

Alerts / Bulletins
Latest Alert: Aug 20 0407 UTC ALERT: Geomagnetic K-index of 4
Last Advisory Bulletin: None in last 7 days.

ACE Real-Time Solar Wind Pages
Click to get values and an explanation

Average over last 15 minutes

Space Weather User Groups