Solar flares on March 20, 2025
The most powerful solar flare in 24 hours
C4.4 (normal) flare - March 20 at 11:10 AM
Solar activity index
Value as of the end of the day on March 20, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 19, 2025 to March 20, 2025
Time zone — UTC-06 (Lethbridge) — summer time
List of solar flares for March 20, 2025
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 |
|---|---|---|---|---|
| C4.4 | 10:49 | 11:10 | 11:50 | 4025 |
| C2.5 | 01:16 | 01:27 | 01:38 | 4022 |