Solar flares on June 18, 2023
The most powerful solar flare in 24 hours
M2.5 (strong) flare - June 18 at 3:53 PM
Solar activity index
Value as of the end of the day on June 18, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 17, 2023 to June 18, 2023
Time zone — UTC+02 (Prague) — summer time
List of solar flares for June 18, 2023
The total number of solar flares of class C and higher — 8 flares
C class — 6 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.5 | 15:25 | 15:53 | 16:14 | 3336 |
| C2.1 | 07:31 | 07:35 | 07:44 | 3335 |
| C2.5 | 06:50 | 07:05 | 07:15 | 3334 |
| C1.7 | 04:04 | 04:08 | 04:13 | 3340 |
| M1.3 | 02:25 | 02:31 | 02:40 | 3336 |
| C2.0 | 02:03 | 02:12 | 02:18 | 3335 |
| C2.1 | 01:46 | 01:54 | 02:03 | 3339 |
| C1.6 | 23:50 | 00:02 | 00:09 | — |