RUS

Solar flares — December 21, 2021

December 21, 2021

Today

UTC+00
Home Solar flares December 21, 2021

Solar flares on December 21, 2021

The most powerful solar flare in 24 hours

M1.4 (strong) flare - December 21 at 11:44 AM

Solar activity index

Value as of the end of the day on December 21, 2021

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from December 20, 2021 to December 21, 2021

Time zone — UTC+00

Solar flares
PNG API: JSON | TXT

List of solar flares for December 21, 2021

The total number of solar flares of class C and higher — 13 flares

C class — 11 | M class — 2 | X class — 0

Class begin max end region
C4.9 22:29 22:37 23:08
C3.9 20:36 20:48 21:00
C4.9 19:02 19:23 19:53 2909
C4.9 17:35 17:50 18:04 2908
C2.0 15:44 15:53 15:58 2916
C1.0 13:45 13:52 14:00 2908
M1.4 11:31 11:44 11:49 2916
M1.1 07:43 07:50 07:57 2916
C4.9 07:06 07:22 07:34 2908
C4.0 05:58 06:10 06:19 2908
C3.3 04:48 05:00 05:09 2908
C2.8 03:40 03:44 03:52 2908
C5.5 01:44 01:57 02:12 2907