Solar flares on May 19, 2025
The most powerful solar flare in 24 hours
M3.2 (strong) flare - May 19 at 4:21 AM
Solar activity index
Value as of the end of the day on May 19, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 18, 2025 to May 19, 2025
Time zone — UTC-04 (Toronto) — summer time
List of solar flares for May 19, 2025
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 21:16 | 21:26 | 21:32 | 4093 |
| M3.2 | 04:13 | 04:21 | 04:26 | — |
| C1.2 | 01:28 | 01:42 | 01:53 | — |
| C2.3 | 00:19 | 00:32 | 00:39 | — |