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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1

Kp4-

2

B1.14
Kp4-

3

Kp2+

4

Kp2-

5

Kp3

6

Kp3

7

Kp5+

8

Kp4+

9

Kp4-

10

B1.98
Kp5-

11

Kp3

12

C1.02
Kp2-

13

B3.34
Kp4+

14

Kp2

15

Kp3

16

Kp2

17

Kp2-

18

Kp0+

19

Kp1-

20

Kp0+

21

Kp2

22

Kp3-

23

Kp1

24

Kp1+

25

Kp2

26

Kp2+

27

Kp2-

28

Kp1+

29

A1.43
Kp0+

30

Kp2

31

Kp2-
    
       

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Space weather facts

Last X-flare2024/07/16X2
Last M-flare2024/07/20M1.8
Last geomagnetic storm2024/06/28Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
June 2024164.2 -7.5
July 2024185.3 +21.1
Last 30 days175.3 +28.1

This day in history*

Solar flares
12002X4.74
22004X1.23
32000M7.17
42000M5.17
52024M1.8
DstG
12000-92G2
21982-82G1
31991-73G1
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*since 1994

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