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

Kp2+

2

Kp1+

3

Kp1

4

A1.1
Kp3

5

Kp3+

6

Kp1+

7

Kp2-

8

Kp1-

9

Kp1

10

Kp1+

11

Kp1

12

Kp1-

13

Kp3-

14

Kp4-

15

Kp2

16

Kp2-

17

Kp1+

18

Kp1+

19

Kp2-

20

Kp1

21

Kp2-

22

Kp1+

23

Kp1

24

Kp4-

25

Kp4

26

Kp1

27

Kp1

28

Kp2

29

Kp2

30

Kp2-

31

A1.0
Kp1+
  
       

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Space weather facts

Last X-flare2024/05/15X2.9
Last M-flare2024/05/24M1.2
Last geomagnetic storm2024/05/17Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024152.7 +16.2
Last 30 days147.6 +12.7

This day in history*

Solar flares
12014M2
22000M1.87
32023M1.85
42001M1.81
52000M1.7
ApG
1200093G4
2198377G4
3194078G4
4194752G4
5195952G3
*since 1994

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