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Geomagnetic and Solar Indices -- Updated Feb 19 2319 UTC
Geomagnetic Indices
Station February 18
3-hour K-indices
A-index February 19
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 4 1 3 2 3 4 2 2 14 4 3 2 1 2 2 3 * 11
Boulder 3 2 3 2 3 3 2 2 11 5 4 2 1 2 2 3 * 15
College 3 2 3 4 4 5 2 1 19 3 4 2 4 5 4 4 * 23
Planetary 4 2 3 2 3 4 2 2 14 5 4 2 2 2 2 4 * 17

Solar Radio Flux
Feb 19
Station / CMP
245 410 610 1415 2695 4995 8800 15400
Learmonth / 0500 UTC * * * 45 63 100 242 537
San Vito / 1200 UTC 14 * * 42 73 107 232 533
Sagamore Hill / 1700 UTC 13 29 35 42 67 107 229 518
Palehua / 2300 UTC * * * * * * * *
Penticton 10.7cm (2800 MHz) Morning     69 Noon     69 Afternoon     70

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
Feb 18 70 70 70 72 A3.6

  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
Feb 19 * * * * 0/0/0 0/0/0/0/0 0 0/0
Feb 18 * * * * 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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