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.

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October 2010

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1

B5.3
Kp1-

2

B5.0
Kp0

3

B2.3
Kp1

4

C2.3
Kp1

5

B5.0
Kp2+

6

Kp2+

7

B1.5
Kp1+

8

B1.6
Kp3

9

B3.2
Kp2

10

B5.5
Kp2

11

Kp4+

12

Kp4-

13

B4.0
Kp2

14

B3.9
Kp1-

15

B1.2
Kp2

16

M2.9
Kp3-

17

C1.7
Kp4-

18

C2.5
Kp3-

19

C1.3
Kp3-

20

C1.5
Kp2

21

B3.1
Kp2-

22

B1.8
Kp3

23

B4.7
G1

24

B4.1
Kp4

25

C2.3
Kp3-

26

C1.1
Kp3

27

C1.2
Kp3-

28

B2.0
Kp1+

29

B4.0
Kp2

30

B6.5
Kp2-

31

C5.7
Kp2+
       

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Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days289 days
2020157 days (70%)
Last spotless day2020/07/20

This day in history*

Solar flares
12013M1.5
22004M1.2
32000M1.1
42004C9.9
52004C6.5
ApG
12000123G4
2200326G1
3199418
4201412
5200212
*since 1994

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