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-
   
       
The solar wind speed is currently moderately high (505.2 km/sec.)

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07:27 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 08:15 UTC


07:15 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 07:03 UTC

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06:27 UTC - Coronal mass ejection arrival

CME impact detected - Current Solar Wind Speed 644km/sec - IMF: Bt (strength): 15nT & Bz: 0nT (South).

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/22M1.3
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025121.5 -12.7
Last 30 days114.6 -22.2

This day in history*

Solar flares
12003M4.84
22001M4.48
32001M3.35
42001M3.06
52001M2.7
DstG
12023-213G4
21960-171G3
32012-120G3
41990-106G2
51959-92G1
*since 1994

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