Solar flares on September 7, 2021
The most powerful solar flare in 24 hours
C2.3 (normal) flare - September 7 at 6:09 PM
Solar activity index
Value as of the end of the day on September 7, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 6, 2021 to September 7, 2021
Time zone — UTC-06 (Cheyenne) — summer time
List of solar flares for September 7, 2021
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 21:04 | 21:14 | 21:19 | 2868 |
| C2.3 | 17:42 | 18:09 | 18:33 | 2864 |