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

A1.1
Kp4+

2

Kp4

3

Kp3-

4

Kp2+

5

Kp2+

6

A4.9
Kp3

7

Kp3-

8

C1.3
Kp3-

9

B6.5
Kp2+

10

Kp2+

11

Kp1+

12

Kp3-

13

Kp2-

14

Kp3

15

Kp3-

16

A1.1
G1

17

G1

18

B2.3
Kp1-

19

Kp3-

20

C4.8
Kp2-

21

C5.3
Kp1

22

C4.8
Kp1-

23

B9.9
Kp1

24

B9.6
Kp2

25

B4.6
Kp2+

26

Kp2+

27

Kp3-

28

Kp3

29

Kp2

30

Kp2

31

A1.1
Kp4-
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:219
Current stretch spotless days:21

This day in history*

Solar flares
12003X5.4
22012X1.8
32003X1.1
42001M6.5
52003M3.2
ApG
1199453G2
2199637G3
3199932G1
4201026G1
5199519G1
*since 1994

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