Solar wind
speed: 398.0 km/sec
density: 2.5 protons/cm3
explanation | more data
Updated: Today at 0056 UT
X-ray Solar Flares
6-hr max: C1 1751 UT Dec22
24-hr: C5 0208 UT Dec22
explanation | more data
Updated: Today at: 2359 UT
Daily Sun: 22 Dec 11
Sunspot complex 1381-1382 produced an Earth-directed explosion during the early hours of Dec. 22nd. The C5-class event might have hurled a minor CME toward Earth. Credit: SDO/HMI
Sunspot number: 93
What is the sunspot number?
Updated 21 Dec 2011
Spotless Days
Current Stretch: 0 days
2011 total: 2 days (<1%)
2010 total: 51 days (14%)
2009 total: 260 days (71%)
Since 2004: 821 days
Typical Solar Min: 486 days
Updated 21 Dec 2011
The Radio Sun
10.7 cm flux: 145 sfu
explanation | more data
Updated 21 Dec 2011
Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 0 quiet
24-hr max: Kp= 0 quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 4.5 nT
Bz: 0.9 nT north
explanation | more data
Updated: Today at 0056 UT
Coronal Holes: 22 Dec 11
There are no large coronal holes on the Earthside of the sun. Credit: SDO/AIA.