Solar flares on September 18, 2023
The most powerful solar flare in 24 hours
C2.6 (normal) flare - September 18 at 4:11 PM
Solar activity index
Value as of the end of the day on September 18, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 17, 2023 to September 18, 2023
Time zone — UTC+05:30 (Supaul)
List of solar flares for September 18, 2023
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 23:40 | 23:50 | 23:57 | 3436 |
| C2.0 | 23:05 | 23:13 | 23:23 | 3436 |
| C1.8 | 21:12 | 21:24 | 21:40 | 3436 |
| C2.3 | 20:14 | 20:22 | 20:31 | 3435 |
| C1.5 | 18:50 | 19:08 | 19:29 | — |
| C1.4 | 18:21 | 18:29 | 18:51 | 3429 |
| C2.6 | 16:01 | 16:11 | 16:19 | 3435 |
| C1.6 | 14:57 | 15:05 | 15:13 | 3425 |
| C1.5 | 06:26 | 06:34 | 06:39 | 3430 |