Viewing archive of Monday, 19 January 2004

Solar activity report

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.

All times in UTC

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Last X-flare2024/10/31X2.0
Last M-flare2024/11/02M1.2
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
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September 2024141.4 -74.1
November 2024210 +68.6
Last 30 days158.8 +9.2

This day in history*

Solar flares
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22011M6.21
32003M2.62
42013M2.38
52021M1.72
DstG
11991-189G3
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*since 1994

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