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 2002

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1

C2.35
Kp4-

2

M2.2
Kp2+

3

X2.19
Kp2-

4

M1.59
Kp3

5

M4.64
Kp4

6

M2.6
Kp4+

7

M1.56
Kp3+
S1

8

M3.34
Kp4
S1

9

M1.48
Kp3

10

C3.93
Kp2+

11

M8.43
Kp3-

12

C3.02
Kp5-

13

M1.63
Kp2

14

C2.17
Kp1-

15

X4.39
Kp2-

16

M1.18
Kp4
S1

17

X1.22
Kp5
S2

18

X2.61
Kp3-
S1

19

C5.7
Kp4
S1

20

X4.74
Kp4+

21

M1.14
Kp5-

22

C4.3
Kp4
S1

23

X6.98
Kp5-
S1

24

M1.85
Kp3-
S1

25

C9.6
Kp4-
S1

26

X1.25
Kp3+
S1

27

M1.68
Kp4
S1

28

M3.41
Kp4-

29

M7
Kp4+

30

C4.95
Kp3

31

M1.85
Kp3
    
       
The maximum X-ray flux of the past two hours is:
M1.6

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Strong M6.17 flare from sunspot region 3981

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Moderate R2 radio blackout in progress (≥M5 - current: M6.1)


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Minor R1 radio blackout in progress (≥M1 - current: M3.66)


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Moderate M1.42 flare

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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/03M1.4
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
February 2025150.5 -4
Last 30 days142.5 +0.6

This day in history*

Solar flares
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22001M3.53
32025M3.1
42025M2.5
52025M1.4
DstG
11992-170G4
21969-161G2
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*since 1994

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