Solar Cycle 25 - Top Solar Radiation Storms | Solar activity

Solar Cycle 25 - Top Solar Radiation Storms Help

On this page you will find an overview of the strongest solar radiation storms from Solar Cycle 25 together with links to more information in our archive.

		S-scale	Peak intensity
1	2024/10/10	S3 - Strong	1811.953
2	2024/10/09	S3 - Strong	1143.644
3	2024/06/08	S3 - Strong	1028.531
4	2024/03/23	S2 - Moderate	955.735
5	2024/03/24	S2 - Moderate	724.578
6	2025/06/01	S2 - Moderate	665.9
7	2023/07/18	S2 - Moderate	619.653
8	2024/10/28	S2 - Moderate	363.729
9	2024/10/27	S2 - Moderate	273.151
10	2024/10/29	S2 - Moderate	229.683
11	2024/05/10	S2 - Moderate	206.919
12	2024/02/09	S2 - Moderate	187.111
13	2024/02/10	S2 - Moderate	186.835
14	2023/07/29	S2 - Moderate	153.563
15	2025/04/01	S2 - Moderate	146.679
16	2024/01/29	S2 - Moderate	136.972
17	2024/02/11	S2 - Moderate	134.48
18	2024/11/22	S2 - Moderate	125.403
19	2024/05/14	S2 - Moderate	120.914
20	2024/02/13	S2 - Moderate	117.574
21	2024/05/11	S2 - Moderate	116.389
22	2024/02/12	S1 - Minor	99.959
23	2025/03/31	S1 - Minor	85.715
24	2024/06/09	S1 - Minor	83.475
25	2023/05/10	S1 - Minor	83.453

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

Iqaluit, NU
Nuuk
Tórshavn
Oulu, Rovaniemi, Sodankylä, Utsjoki
Reykjavik
Kirkenes, Tromsø, Trondheim
Murmansk
Kiruna, Luleå

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Thursday, 11 September 2025

Coronal hole faces Earth

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M2.7 solar flare with earth-directed CME!

Tuesday, 5 August 2025

M4.4 solar flare from sunspot region 4168

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Latest forum messages

CMEs from 2025/10/03 41 Incoming & Unnumbered Active Regions 2104 MODELO MAGNETOSFERA 3 AR 14232/ 14233/ 14236 146 Comet C/2025 A6 (Lemmon) 70

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