Solar flares on July 18, 2025
The most powerful solar flare in 24 hours
C3.5 (normal) flare - July 18 at 1:43 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+05:30 (Chakapara)
List of solar flares for July 18, 2025
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 21:55 | 22:09 | 22:29 | 4136 |
| C2.4 | 18:28 | 18:39 | 18:45 | 4136 |
| C2.1 | 18:12 | 18:21 | 18:28 | 4136 |
| C2.2 | 14:26 | 14:41 | 14:58 | 4136 |
| C3.5 | 13:35 | 13:43 | 13:47 | 4136 |
| C2.2 | 12:30 | 12:44 | 12:53 | 4136 |
| C2.2 | 09:05 | 09:12 | 09:18 | 4136 |
| C2.4 | 01:19 | 01:23 | 01:27 | 4136 |