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

M3.6
Kp3

2

M1.7
Kp4

3

M2
Kp2

4

M1.9
Kp4

5

X1.63
Kp6+
S1

6

M5.51
Kp1
S1

7

X1.51
Kp4

8

M3.6
Kp4
S1

9

C5.1
Kp2+
S1

10

C7.6
Kp3-
S1

11

C8.2
Kp1+

12

C8.8
Kp2+

13

C2.4
Kp2

14

C8.9
Kp1+

15

C4.1
Kp1

16

C3.3
Kp3

17

C5.1
Kp2+

18

C3.7
Kp3

19

C5.8
Kp3

20

C3.3
Kp3+

21

C4.7
Kp3-

22

M1.1
Kp3+

23

C3.9
Kp2-

24

C4.1
Kp3

25

M1.4
Kp2

26

M1.1
Kp2

27

Kp3+

28

C2.3
Kp2

29

C3.9
Kp2

30

C3
Kp2

31

C2.4
Kp2
   
       

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Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/03/03Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (4%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202678.5 +0.3
Last 30 days54.2 -74.7

This day in history*

Solar flares
12014X1.34
22015M6.08
32000M5.26
42015M4.69
52015M3.96
DstG
11990-162G3
21983-132G3
31958-125G3
41993-93G2
51969-70G2
*since 1994

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