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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December 2017

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1

B1.0
Kp3-

2

Kp2+

3

Kp1-

4

Kp4

5

G1

6

Kp4

7

B1.0
Kp3+

8

Kp2

9

Kp2-

10

B1.5
Kp1+

11

B6.2
Kp3+

12

Kp4

13

B1.2
Kp3-

14

B1.1
Kp3-

15

Kp1+

16

Kp2

17

G1

18

Kp4+

19

B2.4
Kp2+

20

B3.0
Kp2

21

B1.2
Kp1

22

B7.2
Kp1

23

B3.3
Kp3-

24

Kp3+

25

B1.6
Kp3

26

Kp4-

27

Kp3-

28

B8.3
Kp2-

29

B1.1
Kp2+

30

Kp2-

31

Kp2
       
Current data suggest that it is not possible to see aurora now at middle latitudes

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/05/06Kp6 (G2)
Number of spotless days in 2018:78
Last spotless day:2018/05/20

This day in history*

Solar flares
12003X3.6
22011M1.1
31998M1.1
41998C8.7
52000C8.6
ApG
1201749G3
2201145G2
3199444G3
4200334G2
5200118
*since 1994

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