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Sunspot region AR13945

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/01/01 6 170 EAI S10E60
2025/01/02 12 310 EKI S09E46
2025/01/03 15 350 DKI S10E33
2025/01/04 16 160 DAI S12E17
2025/01/05 12 80 CAI N07E04
2025/01/06 5 80 CAI S07W08
2025/01/07 6 70 CAO S09W23
2025/01/08 6 30 CRO S11W37
2025/01/09 4 20 CRO S10W49
2025/01/10 2 20 BXO S08W61
2025/01/11 2 10 BXO S07W74
C
6

The top 6 solar flares from sunspot region 13945

Start Maximum End
1C5.12025/01/0113:4913:5314:03
2C5.02024/12/3114:4414:5215:06
3C3.82025/01/0803:5304:0304:09
4C3.22025/01/0607:4207:5107:57
5C3.22025/01/0721:1721:2821:36
6C1.72025/01/1005:4005:4906:00
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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Oulu, Rovaniemi, Kuopio, Sodankylä, Utsjoki
Kirkenes, Trondheim
Arkhangelsk, Murmansk, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
The solar wind speed is currently moderately high (656 km/sec.)

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Latest alerts

02:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC

alert

Saturday, 5 April 2025
20:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:20 UTC

alert

20:24 UTC - Solar flare

Moderate M1.05 flare

alert

20:09 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.05)

10:00 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 78GW at 10:32 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/05M1.0
Last geomagnetic storm2025/04/05Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025150.4 +16.2
Last 30 days131.6 -13.4

This day in history*

Solar flares
12001X8.08
22004M3.44
32023M3.01
42000M2.7
52006M2.02
DstG
12000-291G4
21977-105G3
31988-100G2
41984-86
52010-81G1
*since 1994

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