Solar flares on June 18, 2023
The most powerful solar flare in 24 hours
M2.5 (strong) flare - June 18 at 9:53 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-04 (Concord) — summer time
List of solar flares for June 18, 2023
The total number of solar flares of class C and higher — 7 flares
C class — 5 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 23:37 | 23:50 | 23:58 | 3341 |
| C6.0 | 21:46 | 22:08 | 22:38 | 3338 |
| C3.0 | 18:43 | 18:47 | 18:51 | 3336 |
| C2.7 | 18:25 | 18:39 | 18:43 | 3336 |
| M2.5 | 09:25 | 09:53 | 10:14 | 3336 |
| C2.1 | 01:31 | 01:35 | 01:44 | 3335 |
| C2.5 | 00:50 | 01:05 | 01:15 | 3334 |