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

M2.1
Kp2-

2

C4.7
Kp1+

3

M1.5
Kp1+

4

M1.4
Kp3

5

C9.3
Kp3

6

M1.0
Kp1

7

M2.4
Kp3-

8

M1.1
Kp3+

9

C6.7
Kp2+

10

M1.5
Kp2-

11

M1.23
Kp2

12

C6.5
Kp2

13

M5.35
Kp1+

14

X1.2
Kp1+

15

M2.7
Kp3

16

X2.00
Kp3+

17

M5.05
Kp2+

18

M2.24
Kp1+

19

M3.21
Kp1+

20

M1.8
Kp3-

21

M3.2
Kp2-

22

M3.97
Kp3

23

M2.4
Kp3-
S1

24

M3.64
Kp2-

25

M1.3
Kp3+

26

M1.7
Kp5

27

M4.21
Kp4

28

M9.92
Kp3-

29

X1.57
Kp2

30

M9.51
Kp5+

31

M7.75
Kp5-
    
       

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Space weather facts

Last X-flare2024/10/09X1.4
Last M-flare2024/10/09M7.6
Last geomagnetic storm2024/10/08Kp7+ (G3)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
October 2024175 +33.6
Last 30 days148.9 -28.3

This day in history*

Solar flares
12022M2.4
22023M2.3
32023M1.61
42012M1.45
51998M1.13
DstG
11988-156G4
21990-133G2
31997-92G2
41960-89
51967-77G1
*since 1994

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