Solar flares on August 20, 2021
The most powerful solar flare in 24 hours
C1.7 (normal) flare - August 20 at 3:48 PM
Solar activity index
Value as of the end of the day on August 20, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 19, 2021 to August 20, 2021
Time zone — UTC+00 (Reykjavik)
List of solar flares for August 20, 2021
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 15:45 | 15:48 | 15:50 | 2859 |