Solar flares on June 1, 2025
The most powerful solar flare in 24 hours
C8.9 (normal) flare - June 1 at 3:43 PM
Solar activity index
Value as of the end of the day on June 1, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 31, 2025 to June 1, 2025
Time zone — UTC+01 (London) — summer time
List of solar flares for June 1, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.8 | 17:13 | 17:22 | 17:26 | 4100 |
| C8.9 | 15:34 | 15:43 | 15:49 | 4100 |
| C1.3 | 08:17 | 08:25 | 08:28 | 4100 |
| C1.8 | 06:40 | 06:45 | 06:47 | 4100 |
| C1.8 | 05:19 | 05:30 | 05:37 | 4100 |
| C1.5 | 03:56 | 04:04 | 04:06 | 4099 |
| C1.6 | 02:19 | 02:25 | 02:29 | 4099 |
| C1.7 | 01:29 | 01:35 | 01:41 | 4099 |
| C4.0 | 01:12 | 01:18 | 01:21 | 4099 |