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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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October 1997

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1

C1.1
Kp7

2

C1.43
Kp3-

3

B4.9
Kp3-

4

B1.71
Kp2

5

B5.04
Kp1

6

Kp2

7

B2.81
Kp4-

8

B5
Kp4

9

C1.21
Kp4+

10

B4.97
Kp6+

11

B8.46
Kp6+

12

B3.03
Kp3-

13

C1.41
Kp3-

14

B3.4
Kp2-

15

B7.71
Kp2-

16

B3.17
Kp2-

17

B4.29
Kp2+

18

B2.14
Kp2

19

B2.14
Kp1

20

B7.29
Kp2+

21

C4.43
Kp1+

22

Kp2

23

Kp4-

24

Kp5+

25

B2.2
Kp5

26

B2.41
Kp5-

27

B2.59
Kp5-

28

C7.9
Kp4

29

B2.16
Kp3

30

B8.87
Kp3-

31

B5.74
Kp2
  
       
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Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202685.2 +7
Last 30 days85.2 +8.6

This day in history*

Solar flares
12001X2.45
22014X1.45
32023X1.2
42024M3.2
52001M3.13
DstG
11959-154G3
21979-129G3
31989-125G3
41957-121G4
51984-86G2
*since 1994

Aurora on this day in history

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