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Solar activity
Auroral activity
CME arrival, G3 storm watch

A coronal mass ejection has arrived at our planet. This is the first of possibly two coronal mass ejections that were expected to arrive from filament eruptions on April 12 and 13. The minor G1 geomagnetic storm threshold has already been reached and the NOAA SWPC has a strong G3 geomagnetic storm watch in place for tomorrow, 16 April. Keep an eye on the data here on this website in the hours ahead. There is more action to come!

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Space weather facts

Last X-flare2026/06/03X1.0
Last M-flare2026/06/21M6.9
Last geomagnetic storm2026/06/11Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
May 2026101.4 +22.1
June 202698.3 -3.1
Last 30 days108.1 +9.3

This day in history*

Solar flares
12001X1.8
22024M9.36
32001M8.02
42000M4.36
52013M4.2
DstG
12015-198G4
22005-85G3
31991-68G2
41982-64G1
51961-46
*since 1994

Aurora on this day in history

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