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Real-time auroral and solar activity

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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June 2011

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1

C5.91
Kp3+

2

C5.36
Kp3-

3

C3.62
Kp1

4

C1.08
Kp5+

5

B4.76
Kp6+

6

C1.82
Kp2

7

M3.65
Kp4
S1

8

B9.59
Kp4
S1

9

C5.87
Kp3

10

C4.14
Kp3

11

B5.45
Kp3+

12

C1.22
Kp3-

13

C1.79
Kp3

14

M1.99
Kp3+

15

C4.58
Kp2+

16

M1.02
Kp3-

17

C5.65
Kp3+

18

C1.23
Kp2

19

C6.73
Kp1+

20

B5.55
Kp3-

21

M1.11
Kp3

22

B3.81
Kp4

23

B7.93
Kp4-

24

B6.06
Kp3+

25

B5.98
Kp2

26

B4.88
Kp3+

27

C1.06
Kp2-

28

C1.35
Kp2-

29

C1.03
Kp1-

30

B4.75
Kp2
   
       
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/18Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202683.6 -2.3
Last 30 days92.3 +30.4

This day in history*

Solar flares
12022M3.7
22001M2.91
32024M2.1
42022M1.67
52021M1.1
DstG
12002-126G3
22024-117G3
31957-111G3
41977-91G2
51981-81G2
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
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