Solar Cycle 24 - Top Solar Radiation Storms Help

On this page you will find an overview of the strongest solar radiation storms from Solar Cycle 24 together with links to more information in our archive.

S-scale Peak intensity
12012/03/08S3 - Strong6529.8
22012/01/24S3 - Strong6314.1
32012/01/23S3 - Strong3626.7
42012/03/07S3 - Strong1735.5
52017/09/11S3 - Strong1490
62012/03/09S3 - Strong1489.5
72013/05/23S3 - Strong1196.9
82015/06/22S3 - Strong1070
92017/09/10S3 - Strong1040
102014/01/09S3 - Strong1026.1
112014/01/08S3 - Strong1019.9
122012/01/25S2 - Moderate949.65
132017/09/08S2 - Moderate844
142017/09/12S2 - Moderate800
152012/01/28S2 - Moderate795.55
162017/09/07S2 - Moderate657
172012/01/27S2 - Moderate605.78
182013/05/22S2 - Moderate513.58
192012/03/13S2 - Moderate468.77
202012/03/14S2 - Moderate277.16
212012/05/17S2 - Moderate255.44
222012/01/29S2 - Moderate250.38
232012/03/10S2 - Moderate233.65
242014/01/07S2 - Moderate218.85
252017/09/05S2 - Moderate210

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/11M1.1
Last geomagnetic storm2025/03/13Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025119.8 -34.8
Last 30 days143 -4.6

This day in history*

Solar flares
12002M8.25
22011M6
32012M4.03
41999M3.06
52022M2.0
DstG
11989-589G5
21966-105G3
31981-90G2
41990-88G1
52022-85G2
*since 1994

Social networks