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Solar flares — May 18, 2023

The strongest solar flare in the day

Flare of M4.5 level (strong) — in 21:05

Solar activity index

Value for May 18, 2023 24:00 (end on the day). The maximum value is 10.0

Solar activity index

Solar flares in 2 days

Chart of solar activity from May 17, 2023 to May 18, 2023

Time zone — UTC+00 (London)

Solar flares in 2 days
This chart in PNG format — high resolution API data: JSON or TXT

List of solar flares for May 18, 2023

Total number of flares of class C and higher13 flares

C type — 6 | M type — 7 | X type — 0

  start maximum end region
M4.5
20:51 21:05 21:16 3311
M3.8
20:12 20:23 20:51 3311
M1.1
17:32 17:51 18:01 3311
C4.0
15:43 15:55 16:03 3311
M1.6
12:39 12:49 12:56 3311
M2.2
11:32 11:47 12:00 3311
C4.2
10:55 11:05 11:19 3311
C5.2
09:47 10:11 10:13 3311
M1.2
06:48 06:55 07:02 3311
M1.0
06:13 06:26 06:38 3311
C2.2
04:51 04:57 05:01
C3.8
04:07 04:12 04:16
C8.6
03:03 03:21 03:39