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 2014

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1

C2.1
Kp3

2

C3.7
Kp3

3

M2.5
Kp3+

4

C6.3
Kp3-

5

C6.7
Kp3-

6

M1.1
Kp3+

7

C7.8
Kp3

8

M4.5
Kp2

9

C3.2
Kp2+

10

X1.6
Kp3

11

M2.1
Kp4-

12

C9.5
G2

13

C3.7
Kp4

14

M1.5
Kp1-

15

C3.1
Kp1

16

C2.1
Kp3-

17

C7.5
Kp2

18

M1.2
Kp3-

19

C3.3
G1

20

C1.1
Kp2+

21

C5.2
Kp3

22

C1.6
Kp3-

23

M2.3
Kp3

24

C7.0
Kp4

25

C5.6
Kp4-

26

C8.6
Kp4

27

M1.0
Kp4+

28

M5.1
Kp2+

29

C5.4
Kp4-

30

C2.6
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:2020/02/19Kp5 (G1)
Number of spotless days in 2020:75
Current stretch spotless days:4

This day in history*

Solar flares
12000M2.0
22000M1.8
32015M1.4
41999M1.1
52000C8.2
ApG
1200163G3
2199440G1
3199534G1
4200322G1
5201715
*since 1994

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