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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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March 2018

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Sun.
   

1

B1.43
Kp3-

2

C2.78
Kp3-

3

B6.81
Kp3-

4

B1.37
Kp3-

5

Kp1+

6

Kp2

7

Kp3-

8

Kp2-

9

Kp4+

10

Kp4

11

Kp2+

12

A1.57
Kp1

13

Kp1

14

Kp4

15

Kp4

16

Kp4+

17

Kp4+

18

Kp6

19

Kp4+

20

Kp3

21

Kp2

22

Kp3

23

Kp4

24

Kp3-

25

A1.57
Kp4

26

Kp3

27

Kp3

28

Kp1-

29

B1.17
Kp2-

30

C6.62
Kp2+

31

C1.01
Kp3-
 
       

Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 01:33 UTC

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
Reykjavik

S1 - Minor solar radiation storm

Minor impacts on HF radio through polar regions

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Latest alerts

01:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC

alert


Tuesday, 1 April 2025
22:51 UTC - Solar flare

Moderate M2.5 flare

alert


22:30 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.45)


07:15 UTC - 10cm Radio Burst

Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu


07:06 UTC - Solar flare

Strong M5.61 flare

alert


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days128.1 -22.5

This day in history*

Solar flares
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32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
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*since 1994

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