Solar flares on September 18, 2022
The most powerful solar flare in 24 hours
C3.8 (normal) flare - September 18 at 4:41 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+01 (London) — summer time
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 | 22:40 | 23:13 | 23:30 | 3102 |
| C1.8 | 21:35 | 21:41 | 21:51 | — |
| C3.5 | 18:23 | 19:16 | 20:10 | 3100 |
| C3.7 | 17:08 | 17:14 | 17:18 | 3102 |
| C3.8 | 16:18 | 16:41 | 17:08 | 3102 |
| C3.6 | 13:59 | 14:04 | 14:11 | 3102 |
| C1.5 | 12:24 | 12:30 | 12:36 | 3102 |
| C1.2 | 11:45 | 11:54 | 11:58 | 3102 |
| C1.5 | 05:14 | 05:20 | 05:27 | — |
| C1.6 | 00:13 | 00:19 | 00:25 | 3100 |