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

Kp3+

2

B3.1
Kp4+

3

M1.3
Kp2

4

C1.1
Kp2-

5

B3.5
Kp1-

6

B1.7
Kp3

7

C1.0
Kp2

8

C3.4
Kp1

9

M1.3
G1

10

C1.5
Kp4-

11

C1.2
Kp2+

12

Kp1+

13

C8.4
Kp1+

14

M2.4
Kp1-

15

C5.8
Kp1

16

C3.1
G2

17

C2.3
G2

18

C2.1
Kp3

19

Kp1+

20

Kp3

21

Kp4-

22

Kp4+

23

B1.5
Kp4

24

Kp3+

25

Kp3

26

Kp4

27

B1.5
Kp3-

28

Kp3-

29

Kp1+

30

Kp1

31

B9.2
Kp1
      

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:191
Current stretch spotless days:21

This day in history*

Solar flares
11998M7.1
22014M2.3
32011M1.9
42011M1.6
52011M1.6
ApG
1200141G2
2199928G2
3199627G1
4200716
5200315
*since 1994

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