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Geomagnetic and Solar Indices -- Updated Sep 22 1008 UTC
Geomagnetic Indices
Station September 21
3-hour K-indices
A-index September 22
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 1 3 2 2 2 2 2 1 7 1 3 2 * * * * * 7
Boulder 2 3 2 1 2 2 2 1 7 1 3 3 * * * * * 8
College 1 2 1 1 0 1 1 1 3 1 2 3 * * * * * 5
Planetary 2 3 2 1 1 1 2 1 7 2 3 2 * * * * * 6

Solar Radio Flux
Sep 22
Station / CMP
245 410 610 1415 2695 4995 8800 15400
Learmonth / 0500 UTC 18 42 64 102 121 169 295 545
San Vito / 1200 UTC * * * * * * * *
Sagamore Hill / 1700 UTC * * * * * * * *
Palehua / 2300 UTC * * * * * * * *
Penticton 10.7cm (2800 MHz) Morning     * Noon     * 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
Sep 21 124 124 124 132 B4.9

  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
Sep 22 79 670 0 5 0/0/0 1/0/0/0/0 0 0/0
Sep 21 72 590 0 5 3/0/0 0/1/0/0/0 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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