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-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:241
Current stretch spotless days:15

This day in history*

Solar flares
11999M7.4
22003M4.2
32001M2.8
42002M2.0
52003M1.2
ApG
1200339G1
2200113
3199613
4199912
5201410
*since 1994

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