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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October 2016

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1

B3.4
Kp4+

2

B4.8
Kp4+

3

Kp4-

4

B6.1
G1

5

B5.6
Kp3+

6

B2.8
Kp2+

7

B3.5
Kp3-

8

B5.3
Kp3+

9

B5.1
Kp2

10

B4.6
Kp3+

11

B3.7
Kp1

12

C1.1
Kp3

13

C1.3
G2

14

C1.0
G2

15

B3.0
Kp3

16

B8.4
G1

17

C4.2
Kp4

18

Kp3

19

Kp3-

20

Kp1+

21

B1.6
Kp1-

22

Kp2+

23

B1.3
Kp3

24

Kp4-

25

B2.0
G2

26

B1.7
G2

27

G1

28

B3.1
Kp4+

29

B2.0
G1

30

Kp4

31

Kp3
      

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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 2019:262
Current stretch spotless days:35

This day in history*

Solar flares
12006M2.0
22013M1.2
31999M1.0
41999C8.7
52001C8.2
ApG
1201425G1
2200625G1
3201519
4200218
5199417
*since 1994

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