Solar flares on May 1, 2003
The most powerful solar flare in 24 hours
M1.0 (strong) flare - May 1 at 11:08 PM
Solar activity index
Value as of the end of the day on May 1, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 30, 2003 to May 1, 2003
Time zone — UTC-04 (Providence) — summer time
List of solar flares for May 1, 2003
The total number of solar flares of class C and higher — 14 flares
C class — 13 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 22:47 | 23:08 | 23:44 | 345 |
| C1.4 | 19:00 | 19:03 | 19:07 | — |
| C2.2 | 17:53 | 18:06 | 18:15 | 349 |
| C4.9 | 15:15 | 15:22 | 15:30 | 349 |
| C1.8 | 14:43 | 14:47 | 14:49 | 349 |
| C3.5 | 10:05 | 10:12 | 10:19 | 349 |
| C1.1 | 09:56 | 10:01 | 10:04 | 349 |
| C1.7 | 09:28 | 09:33 | 09:40 | 337 |
| C1.2 | 08:34 | 08:38 | 08:40 | 349 |
| C5.3 | 07:32 | 07:43 | 07:53 | 349 |
| C1.5 | 06:41 | 06:44 | 06:49 | 349 |
| C1.7 | 05:29 | 05:44 | 06:17 | — |
| C1.8 | 03:16 | 04:17 | 05:02 | — |
| C1.3 | 23:57 | 00:06 | 00:11 | 349 |