Solar flares on September 18, 2024
The most powerful solar flare in 24 hours
C4.1 (normal) flare - September 18 at 6:44 AM
Solar activity index
Value as of the end of the day on September 18, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 17, 2024 to September 18, 2024
Time zone — UTC+03 (Moscow)
List of solar flares for September 18, 2024
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 19:35 | 19:43 | 19:50 | 3825 |
| C2.1 | 18:59 | 19:05 | 19:09 | 3824 |
| C2.9 | 15:52 | 16:14 | 16:39 | — |
| C4.1 | 06:33 | 06:44 | 06:54 | 3828 |