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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September 2007

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1

B1.1
Kp4-

2

B1.2
G1

3

B1.1
Kp3-

4

B2.0
Kp2

5

Kp3+

6

Kp4

7

Kp4+

8

B3.0
Kp2

9

Kp1-

10

Kp1-

11

Kp1-

12

Kp1

13

Kp1

14

Kp2+

15

Kp2

16

Kp1+

17

Kp2

18

Kp3

19

Kp2-

20

Kp4

21

Kp4-

22

Kp4-

23

Kp4+

24

Kp4-

25

Kp3-

26

Kp2

27

G1

28

G1

29

G1

30

Kp4-
       

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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 days287 days
2020157 days (69%)
Last spotless day2020/07/20

This day in history*

Solar flares
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ApG
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4200314
5200212
*since 1994

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