Solar flares on September 30, 2021
The most powerful solar flare in 24 hours
C1.2 (normal) flare - September 30 at 6:49 AM
Solar activity index
Value as of the end of the day on September 30, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2021 to September 30, 2021
Time zone — UTC-06 (Dawson) — summer time
List of solar flares for September 30, 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 |
|---|---|---|---|---|
| C1.2 | 06:43 | 06:49 | 06:55 | 2877 |