Solar wind
speed: 391.4 km/sec
density: 7.2 protons/cm3
explanation | more data
Updated: Today at 1646 UT
X-ray Solar Flares
6-hr max: C2 1536 UT May31
24-hr: C2 1536 UT May31
explanation | more data
Updated: Today at: 1600 UT
Daily Sun: 31 May 12
A pair of new sunspots is emerging over the sun's eastern limb. Credit: SDO/HMI
Sunspot number: 78
What is the sunspot number?
Updated 30 May 2012
Spotless Days
Current Stretch: 0 days
2012 total: 0 days (0%)
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 30 May 2012
The Radio Sun
10.7 cm flux: 111 sfu
explanation | more data
Updated 30 May 2012
Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 2 quiet
24-hr max: Kp= 3 quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 5.2 nT
Bz: 1.8 nT north
explanation | more data
Updated: Today at 1646 UT
Coronal Holes: 31 May 12
A large coronal hole is emerging over the sun's eastern limb. Solar wind flowing from the opening should reach Earth on June 5-7. Credit: SDO/AIA.
