Solar flares on June 20, 2023
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - June 20 at 1:09 PM
Solar activity index
Value as of the end of the day on June 20, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 19, 2023 to June 20, 2023
Time zone — UTC-04 (Saint Catharines ) — summer time
List of solar flares for June 20, 2023
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 23:00 | 23:15 | 23:28 | 3342 |
| C2.5 | 20:40 | 20:47 | 20:54 | 3342 |
| X1.1 | 12:42 | 13:09 | 13:26 | 3341 |
| M1.1 | 12:27 | 12:33 | 12:42 | 3342 |
| C7.1 | 11:37 | 11:42 | 11:44 | 3341 |
| C6.9 | 11:23 | 11:34 | 11:37 | 3341 |
| C4.9 | 10:36 | 10:41 | 10:47 | 3339 |
| C7.8 | 10:00 | 10:07 | 10:12 | 3342 |
| C3.2 | 09:42 | 09:46 | 09:49 | 3342 |
| C5.7 | 09:00 | 09:09 | 09:13 | 3342 |
| C7.8 | 08:11 | 08:20 | 08:28 | 3342 |
| C8.6 | 06:47 | 07:06 | 07:09 | 3341 |
| C5.9 | 00:47 | 00:54 | 01:05 | 3342 |