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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1

G1

2

Kp4+

3

Kp4+

4

B1.6
Kp3+

5

Kp4-

6

B1.5
Kp4-

7

Kp3-

8

B1.1
Kp2-

9

C1.3
Kp2+

10

Kp2+

11

Kp3-

12

B1.5
Kp2-

13

B1.8
Kp2+

14

Kp1-

15

B2.3
Kp1+

16

Kp3+

17

B1.6
Kp4+

18

B3.1
Kp4+

19

B3.0
Kp3+

20

B7.5
Kp3+

21

B3.0
Kp2

22

C4.1
Kp4-

23

C1.3
Kp3+

24

C1.1
G1

25

Kp3-

26

B3.2
Kp1

27

B9.3
Kp3

28

B7.7
Kp3-
     
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/06/08Kp5 (G1)
Number of spotless days in 2019:104
Current stretch spotless days:32

This day in history*

Solar flares
12013C8.4
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32002C5.5
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ApG
1199529G2
2199418G1
3200314
4200112
5199612
*since 1994

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