Solar flares on September 18, 2022
The most powerful solar flare in 24 hours
C3.8 (normal) flare - September 18 at 3:41 PM
Solar activity index
Value as of the end of the day on September 18, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 17, 2022 to September 18, 2022
Time zone — UTC+00
List of solar flares for September 18, 2022
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 23:24 | 23:39 | 00:00 | — |
| C3.0 | 21:40 | 22:13 | 22:30 | 3102 |
| C1.8 | 20:35 | 20:41 | 20:51 | — |
| C3.5 | 17:23 | 18:16 | 19:10 | 3100 |
| C3.7 | 16:08 | 16:14 | 16:18 | 3102 |
| C3.8 | 15:18 | 15:41 | 16:08 | 3102 |
| C3.6 | 12:59 | 13:04 | 13:11 | 3102 |
| C1.5 | 11:24 | 11:30 | 11:36 | 3102 |
| C1.2 | 10:45 | 10:54 | 10:58 | 3102 |
| C1.5 | 04:14 | 04:20 | 04:27 | — |