Solar flares on July 18, 2025
The most powerful solar flare in 24 hours
C3.5 (normal) flare - July 18 at 5:13 PM
Solar activity index
Value as of the end of the day on July 18, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 17, 2025 to July 18, 2025
Time zone — UTC+09 (Lensk)
List of solar flares for July 18, 2025
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 21:58 | 22:09 | 22:15 | 4136 |
| C2.1 | 21:42 | 21:51 | 21:58 | 4136 |
| C2.2 | 17:56 | 18:11 | 18:28 | 4136 |
| C3.5 | 17:05 | 17:13 | 17:17 | 4136 |
| C2.2 | 16:00 | 16:14 | 16:23 | 4136 |
| C2.2 | 12:35 | 12:42 | 12:48 | 4136 |
| C2.4 | 04:49 | 04:53 | 04:57 | 4136 |