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 2011

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Sun.
   

1

C2.93
Kp1+

2

C2.69
Kp1+

3

C3.65
Kp3

4

M4.65
Kp3

5

M2.32
Kp3

6

X3.03
Kp2+

7

X2.6
Kp3

8

M9.61
Kp2-

9

M3.86
Kp6-

10

M1.59
Kp6-

11

C9.51
Kp4-

12

M1.43
Kp5-

13

C4.16
Kp5-

14

M1.32
Kp2-

15

C6.61
Kp2

16

M1.34
Kp1

17

C2.07
Kp5+

18

C5.48
Kp2

19

C9.96
Kp1

20

M1.37
Kp3

21

M2.68
Kp2

22

X2.14
Kp2

23

M2.85
Kp1-
S1

24

X2.74
Kp2-
S1

25

X1.07
Kp2
S1

26

M5.85
Kp6+
S1

27

C9.22
Kp6-
S1

28

M1.72
Kp5-

29

C3.89
Kp6-

30

M1.46
Kp3
  
       

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Iqaluit, NU
Nuuk
Oulu, Rovaniemi, Sodankylä, Utsjoki
Reykjavik
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk, Vorkuta
Kiruna, Luleå

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Latest alerts

Wednesday, 29 January 2025
19:00 UTC - Type II Radio Emission

Begin Time: 29/01/2025 18:21 UTC Estimated Velocity: 487km/sec.


Double coronal holes face Earth

A coronal hole is facing our planet today which is sending a high speed solar wind stream towards us which could cause enhanced geomagnetic conditions (and thus aurora!) in the days ahead.

alert

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04:27 UTC - Solar flare

Moderate M1 flare

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04:12 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1)


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