The aurora and solar activity archive

Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.

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1

C9
Kp3+

2

C7.9
Kp4

3

C2.2
Kp5+

4

C6
Kp5+

5

C2.1
Kp3

6

C3.1
Kp4-

7

C3.8
Kp2+

8

C5.2
Kp2

9

C5.7
Kp2

10

C4
Kp5

11

C2.5
Kp4+

12

M1.4
Kp3+

13

C7.2
Kp4-

14

M1
Kp3-

15

M1.3
Kp2

16

C1.1
Kp3

17

C2.3
Kp2+

18

B8.7
Kp3-

19

C1.3
Kp3-

20

C5.2
Kp5-

21

C3.2
Kp4

22

B4.5
Kp5-

23

B4.9
Kp2+

24

B9.3
Kp3

25

C5.2
Kp3+

26

B7.7
Kp1-

27

C1.4
Kp4-

28

C3.1
Kp2+
      
       

G3 - Strong geomagnetic storm

Observed Kp: 7
Threshold reached: 19:32 UTC

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

Kuopio
Arkhangelsk

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

Helsinki, Tampere, Turku
Petrozavodsk, Syktyvkar

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

Copenhagen
Tallinn
Riga
Perm, Saint Petersburg, Surgut, Yaroslavl
Malmö, Stockholm
The strength of the interplanetary magnetic field is moderate (13.94nT), the direction is North (13.19nT).
The Disturbance Storm Time index predicts strong storm conditions right now (-144nT)

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Latest alerts

19:45 UTC - Geomagnetic activity

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

alert


19:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 18:38 UTC

alert


18:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:28 UTC

alert


17:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 16:34 UTC

alert


15:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 15:20 UTC

alert


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/15Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025124.1 -10.1
Last 30 days124.7 -16.6

This day in history*

Solar flares
12002M3.66
22012M2.54
32001M1.68
42014M1.47
52002M1.33
DstG
12015-88G2
21973-79G2
32000-78
41971-73
52024-65G1
*since 1994

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