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

B8.6
Kp4-

2

C1.7
Kp4

3

C1.9
Kp2

4

B9.4
Kp3-

5

B1.7
Kp3-

6

B7.9
Kp3

7

C5.5
Kp1+

8

C2.8
Kp2

9

M1.6
Kp2-

10

C2.3
Kp5-

11

B4.6
Kp4-

12

B9.5
Kp6+

13

C1.3
Kp3+

14

C2.2
Kp2+

15

B9.9
Kp2+

16

B1.6
Kp3

17

B1.8
Kp4

18

B1.2
Kp3+

19

Kp4

20

B4.8
Kp2+

21

B8.9
Kp2

22

B9.7
Kp2-

23

B6.3
Kp2-

24

B6.2
Kp2-

25

C8.5
Kp2+

26

M1.3
Kp2+

27

C8.6
Kp1

28

X1.0
Kp1+
S1

29

M1.5
Kp1+
S1

30

C3.9
Kp4-
S1

31

C3.2
Kp4
       

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Space weather facts

Last X-flare2024/06/10X1.55
Last M-flare2024/07/11M1.21
Last geomagnetic storm2024/06/28Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
June 2024164.2 -7.5
July 2024150.2 -14
Last 30 days152.1 +0.5

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*since 1994

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