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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June 2017

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1

C6.6
Kp3-

2

C8.0
Kp2-

3

C2.5
Kp4-

4

B4.3
Kp1-

5

C2.7
Kp3-

6

B5.9
Kp2

7

C1.3
Kp2-

8

B2.9
Kp1+

9

B4.1
Kp2+

10

B1.7
Kp1+

11

B1.5
G1

12

Kp2+

13

B3.8
Kp3-

14

B1.9
Kp2+

15

B2.9
Kp2-

16

G1

17

B1.4
Kp4

18

B2.9
Kp3+

19

B5.0
Kp2

20

B1.5
Kp1

21

Kp2-

22

B1.5
Kp2+

23

Kp2+

24

Kp3-

25

Kp3+

26

B1.3
Kp2+

27

B2.6
Kp2-

28

Kp2-

29

Kp2

30

Kp2-
  
       

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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 2019:240
Current stretch spotless days:13

This day in history*

Solar flares
12014M3.7
22014M3.2
31999M2.9
42002M2.4
52011M1.9
ApG
1200340G2
2201416
3199615
4200212
5201711
*since 1994

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