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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July 2015

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1

C1.4
Kp2

2

C3.7
Kp1-

3

M1.5
Kp1-

4

C1.0
G1

5

B9.4
G1

6

M1.7
Kp4-

7

C2.7
Kp2

8

C1.0
Kp1+

9

C1.9
Kp2-

10

C1.1
G1

11

C1.0
G1

12

B6.9
Kp3

13

B6.3
G2

14

C1.2
Kp3

15

Kp2+

16

B5.8
Kp3

17

B5.1
Kp1+

18

C1.8
Kp1+

19

C2.1
Kp1-

20

B6.4
Kp1+

21

B5.3
Kp2+

22

B2.4
Kp3

23

G1

24

C2.6
Kp2

25

Kp3-

26

C1.1
Kp3-

27

B3.9
Kp3

28

B4.3
Kp3

29

Kp2-

30

B5.7
Kp4+

31

B5.9
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 2019:263
Current stretch spotless days:36

This day in history*

Solar flares
12001M3.4
22015C6.7
31998C5.7
42001C5.3
52001C5.3
ApG
1200335G1
2201328G2
3200624G1
4201621
5200018
*since 1994

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