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. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.

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September 2018

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1

Kp2

2

Kp2

3

Kp1+

4

Kp3

5

Kp3+

6

A2.86
Kp2

7

Kp2+

8

Kp2+

9

Kp3-

10

A5
Kp5

11

A9.09
Kp6

12

Kp4

13

A2.57
Kp4

14

Kp4+

15

Kp3-

16

A1.43
Kp2+

17

Kp3+

18

Kp2+

19

Kp2+

20

Kp1-

21

Kp4+

22

Kp5-

23

Kp3+

24

Kp2+

25

Kp3

26

Kp3-

27

Kp2+

28

Kp3

29

Kp3+

30

Kp2+
       

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Space weather facts

Last X-flare2024/09/14X4.54
Last M-flare2024/09/14M3.0
Last geomagnetic storm2024/09/17Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
August 2024215.5 +19
September 2024149.4 -66.1
Last 30 days156 -55.7

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*since 1994

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