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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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July 2003

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1

C3.37
Kp2+

2

M4.29
Kp4
S1

3

C5.45
Kp5

4

M1.02
Kp4+

5

C6.38
Kp4

6

M3.34
Kp3+

7

C3.29
Kp4-

8

C7.46
Kp2-

9

M2.96
Kp2-

10

M5.23
Kp3-

11

C4.16
Kp6

12

M2.11
Kp7-

13

C4.23
Kp3+

14

M1.24
Kp4

15

C2.88
Kp5

16

C4.22
Kp6

17

M1.41
Kp5-

18

C7.77
Kp5-

19

C4.91
Kp6-

20

C8.08
Kp4+

21

C4.78
Kp4-

22

C7.47
Kp2+

23

C5.63
Kp3+

24

C2.36
Kp4-

25

C1.69
Kp4-

26

C1.02
Kp6

27

C1.16
Kp5

28

C1.75
Kp5+

29

M1.89
Kp5+

30

M3.67
Kp4+

31

C2.75
Kp6-
   
       
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Last X-flare2026/03/30X1.5
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
April 2026130 +51.8
Last 30 days91.6 +20.3

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

Aurora on this day in history

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