Solar flares on August 20, 2026
The most powerful solar flare in 24 hours
M1.8 (strong) flare - August 20 at 8:05 AM
Solar activity index
Value as of the end of the day on August 20, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 19, 2026 to August 20, 2026
Time zone — UTC+00
List of solar flares for August 20, 2026
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.8 | 07:31 | 08:05 | 08:17 | 4513 |
| C1.5 | 06:27 | 06:31 | 06:33 | 4507 |
| C3.1 | 04:37 | 04:49 | 04:56 | 4513 |
| C3.3 | 03:59 | 04:08 | 04:10 | 4507 |
| C1.5 | 03:36 | 03:43 | 03:49 | 4513 |
| C2.0 | 01:00 | 01:04 | 01:08 | 4513 |
| C1.7 | 00:41 | 00:49 | 00:57 | 4513 |
Diary
- 20.08.2026 The number of solar flares has risen sharply
- 19.08.2026 Space weather on August 19, 2026
- 18.08.2026 A magnetic storm has begun on Earth quite unexpectedly