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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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1

Kp1-

2

Kp1

3

Kp2-

4

Kp1+

5

Kp5-

6

C2.4
Kp4-

7

B1.86
Kp2

8

B1.46
Kp1+

9

Kp1-

10

Kp2+

11

Kp3-

12

Kp3-

13

Kp3-

14

Kp2-

15

B2.18
Kp1+

16

Kp3-

17

Kp3

18

Kp1

19

Kp1

20

Kp2

21

Kp3+

22

Kp1+

23

Kp1

24

Kp4

25

Kp3+

26

Kp1+

27

Kp2-

28

A7.25
Kp2

29

B1.13
Kp1+

30

Kp2

31

Kp2+
     

Number of C-, M- and X-class flares

Combination chart with 4 data series.
The chart has 1 X axis displaying Time. Data ranges from 2018-07-01 00:00:00 to 2018-07-31 00:00:00.
The chart has 2 Y axes displaying Number of flares, and X-ray background flux.
SpaceWeatherLive.com
End of interactive chart.

Kp-index

Combination chart with 2 data series.
According to the finalized Kp-index of GFZ Potsdam
The chart has 1 X axis displaying Time. Data ranges from 2018-07-01 00:00:00 to 2018-07-31 00:00:00.
The chart has 2 Y axes displaying Kp-index, and Ap-index.
SpaceWeatherLive.com
End of interactive chart.
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Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 06:01 UTC
The solar wind speed is currently moderately high (575.65 km/sec.)

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AR4299 M8.1 CME 2025/12/06 52AR4294 / 4296 / 4298 340AR 4299 83Unspecified geomagnetic activity 41Electron event 8
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Latest alerts

07:15 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 05:59 UTC

alert

Saturday, 6 December 2025
22:15 UTC - Type IV Radio Emission

Begin Time: 06/12/2025 20:57 UTC

22:00 UTC - 10cm Radio Burst

Begin Time: 06/12/2025 20:35 UTC Maximum Time: 06/12/2025 20:36 UTC Duration: 4 minutes. Peak flux: 1100 sfu

22:00 UTC - Type II Radio Emission

Begin Time: 06/12/2025 20:40 UTC Estimated Velocity: 1143km/sec.

21:00 UTC - Solar flare

Strong M8.12 flare from sunspot region 4301

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Space weather facts

Last X-flare2025/12/01X1.9
Last M-flare2025/12/06M8.1
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025167.7 +75.9
Last 30 days107.1 +13.7

This day in history*

Solar flares
12024M3.2
22006M2.97
32024M2.3
42013M1.82
51999M1.46
DstG
11982-78G2
22022-63G1
31959-60
41960-60G2
51993-57G1
*since 1994

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