The solar wind speed is currently moderately high (640.9 km/sec.)
The maximum X-ray flux of the past two hours is:
C6.72

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Latest alerts

11:09 UTC - Solar flare

Moderate M1.35 flare

alert


10:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.03)


Monday, 21 April 2025
20:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:33 UTC

alert


18:57 UTC - Solar flare

Moderate M1.99 flare

alert


18:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.93)


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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 2025120 -14.2
Last 30 days111.9 -31

This day in history*

Solar flares
12001M4.66
22022M3.4
32024M2.81
42011M2.64
52004M1.78
DstG
11970-137G3
21988-109G1
32001-102G2
41979-99G2
51997-93G1
*since 1994

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