Sunspot region AR10227

Number of
sunspots
Size Class Magn. Class Spot Location
2002/12/14 3 10 BXO N05E34
2002/12/15 4 30 CSO N06E21
2002/12/16 8 50 DSI N06E08
2002/12/17 9 70 DRI N07W07
2002/12/18 19 90 DAO N07W20
2002/12/19 7 70 CAO N07W34
2002/12/20 4 30 CAO N07W47
2002/12/21 1 10 AXX N07W63
2002/12/22 1 40 HSX N07W76
CM
31

The top 4 solar flares from sunspot region 10227

Start Maximum End
1M1.842002/12/1623:3323:3623:40
2C8.512002/12/1710:0010:0610:09
3C7.612002/12/1704:5905:0605:13
4C5.962002/12/1707:4708:0208:30

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Whitehorse, YT
Anchorage, AK, Fairbanks, AK
The maximum X-ray flux of the past two hours is:
M1.41

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Latest alerts

10:15 UTC - Solar flare

Moderate M1.41 flare

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09:54 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.08)


07:12 UTC - Solar flare

Moderate M1.02 flare

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06:54 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.02)


05:12 UTC - Solar flare

Moderate M2.31 flare

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/13M1.0
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025136.4 +2.2
Last 30 days134.7 -7.2

This day in history*

Solar flares
12024M2.41
22025M2.2
32025M1.1
42025M1.1
52025M1.0
DstG
11981-311G4
21990-108G1
31973-84G3
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*since 1994

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