Solar flares on September 5, 2011
The most powerful solar flare in 24 hours
M5.3 (strong) flare - September 5 at 9:50 PM
Solar activity index
Value as of the end of the day on September 5, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 4, 2011 to September 5, 2011
Time zone — UTC-04 (Kitchener) — summer time
List of solar flares for September 5, 2011
The total number of solar flares of class C and higher — 4 flares
C class — 1 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M5.3 | 21:35 | 21:50 | 22:05 | 1283 |
| M1.2 | 03:27 | 03:58 | 04:06 | 1286 |
| C2.8 | 02:50 | 02:54 | 02:57 | — |
| M1.6 | 00:08 | 00:28 | 00:32 | 1286 |