Solar flares on May 7, 2021
The most powerful solar flare in 24 hours
M3.9 (strong) flare - May 7 at 7:04 PM
Solar activity index
Value as of the end of the day on May 7, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 6, 2021 to May 7, 2021
Time zone — UTC+00
List of solar flares for May 7, 2021
The total number of solar flares of class C and higher — 1 flare
C class — 0 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.9 | 18:43 | 19:04 | 19:19 | 2822 |