Solar flares on March 18, 2026
The most powerful solar flare in 24 hours
M2.7 (strong) flare - March 18 at 11:42 AM
Solar activity index
Value as of the end of the day on March 18, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 17, 2026 to March 18, 2026
Time zone — UTC+03 (Stavropol)
List of solar flares for March 18, 2026
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 19:45 | 19:54 | 19:58 | 4392 |
| C3.6 | 15:53 | 16:11 | 16:21 | 4392 |
| C2.8 | 12:48 | 13:02 | 13:12 | 4392 |
| M2.7 | 11:26 | 11:42 | 11:57 | 4392 |
| C2.7 | 09:44 | 09:59 | 10:09 | 4392 |
| C1.2 | 07:23 | 07:34 | 07:37 | 4397 |
| C1.1 | 06:58 | 07:19 | 07:23 | 4397 |
| C1.0 | 05:42 | 05:51 | 06:09 | 4393 |
| C3.9 | 03:59 | 04:23 | 04:33 | 4392 |
| C1.0 | 01:47 | 01:57 | 02:02 | — |