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Real-time auroral and solar activity

Sunspot region AR13675

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/05/11 5 30 CRO S12W38
2024/05/12 5 60 DSI S14W43
2024/05/13 13 140 DSI S05W57
2024/05/14 8 30 DRO S05W72
2024/05/15 2 20 DRO S14W83
2024/05/16 2 20 DRO S14W0*
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Line chart of indicators on the auror video, animated graph trace 10Coronal holes 65Incoming & Unnumbered Active Regions 17522025/04/12-13 Filament CMEs 2025/04/16 G3 Watch 530GLE. Ground Level Enhancements 11
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Latest alerts

04:15 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 03:57 UTC

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02:30 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 03:23 UTC

Wednesday, 16 April 2025
21:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 21:36 UTC

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21:00 UTC - Geomagnetic activity

Severe G4 geomagnetic storm (Kp8) Threshold Reached: 20:55 UTC

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19:45 UTC - Geomagnetic activity

Strong G3 geomagnetic storm (Kp7) Threshold Reached: 19:25 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/16Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025120.5 -13.7
Last 30 days118.3 -22.1

This day in history*

Solar flares
12014X1.05
22016M9.63
32024M2.2
42022M1.9
52024M1.6
DstG
11965-162G4
22002-127G3
32001-114G3
41990-95G1
51957-89G2
*since 1994

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