Solar flares on June 18, 2023
The most powerful solar flare in 24 hours
M2.5 (strong) flare - June 18 at 7:53 AM
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-06 (Cheyenne) — summer time
List of solar flares for June 18, 2023
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 22:08 | 22:14 | 22:26 | 3335 |
| M1.4 | 21:37 | 21:50 | 21:58 | 3341 |
| C6.0 | 19:46 | 20:08 | 20:38 | 3338 |
| C3.0 | 16:43 | 16:47 | 16:51 | 3336 |
| C2.7 | 16:25 | 16:39 | 16:43 | 3336 |
| M2.5 | 07:25 | 07:53 | 08:14 | 3336 |