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Geomagnetic and Solar Indices -- Updated Jun 18 2319 UTC
Geomagnetic Indices
Station June 17
3-hour K-indices
A-index June 18
3-hour K-indices
Running
A-index
  00-03 03-06 06-09 09-12 12-15 15-18 18-21 21-24   00-03 03-06 06-09 09-12 12-15 15-18 18-21 21-24  
Fredericksburg 2 1 1 2 3 2 2 2 7 5 4 4 4 2 3 1 * 20
Boulder 2 1 2 1 1 3 2 2 7 5 5 4 4 3 2 2 * 23
College 1 1 1 1 0 0 1 1 2 4 3 5 6 6 2 1 * 33
Planetary 1 1 1 1 1 1 2 2 5 5 4 4 4 3 2 2 * 19

Solar Radio Flux
Jun 18
Station / CMP
245 410 610 1415 2695 4995 8800 15400
Learmonth / 0500 UTC * * * 50 65 113 223 486
San Vito / 1200 UTC 14 27 * 50 87 122 234 544
Sagamore Hill / 1700 UTC 13 28 35 51 72 119 225 542
Palehua / 2300 UTC * * * 52 78 111 243 518
Penticton 10.7cm (2800 MHz) Morning     73 Noon     74 Afternoon     *

CMP = Central Meridian Passage, time of measurement near local noon


Daily Solar Indices
  Penticton 10.7cm Solar Radio Flux (2800 MHz) GOES X-ray
  Morning 1800 UTC Noon 2000 UTC Afternoon 2200 UTC 90 Day Mean background flux
Jun 17 71 71 73 70 A2.5

  SWO Sunspot
Number
Sunspot Area
10E-6 Hemis.
New Regions Spotted Regions X-ray Events
C / M / X
Optical Flares
S / 1 / 2 / 3 / 4
Radio Bursts
10 cm tenflares
Radio Sweeps
Type II / IV
Jun 18 28 20 1 2 0/0/0 0/0/0/0/0 0 0/0
Jun 17 15 20 0 1 0/0/0 0/0/0/0/0 0 0/0

Related online data
Daily Geomagnetic Indices last 30 days current quarter since 1994
Daily Solar Indices last 30 days current quarter since 1994
Available A and K indices last 2 days last 7 days last 2 years
Noon Solar Radio Flux Values last 2 days last 7 days last 45 days
Solar Event Reports Today or Yesterday last 60 days last 3 years
Radio Burst Event Reports last 45 days    

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