Solar flares on July 18, 2026
The most powerful solar flare in 24 hours
C1.5 (normal) flare - July 18 at 2:52 PM
Solar activity index
Value as of the end of the day on July 18, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 17, 2026 to July 18, 2026
Time zone — UTC-07 (Salem) — summer time
List of solar flares for July 18, 2026
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 14:39 | 14:52 | 15:03 | 4492 |