Solar Flares in 2003
174 flares ↑ MAX: X18.4 ↓ MIN: A6.4
174 flares ↑ MAX: X18.4 ↓ MIN: A6.4
In 2003, more than 170 solar flares were recorded. The most active month was October with 45 solar flares: X18.4 (Oct 28), X10.8 (Oct 29), X5.7 (Oct 23). Compared with 2002, that is 28% less — falling solar flare activity. The strongest solar flare was X18.4 on October 28, 2003 (7 hours 32 minutes straight). The quietest month was September (only 2 solar flares).
Most powerful Solar Flares in 2003
| Month | Events | Strongest event | Level | Duration |
|---|---|---|---|---|
| January | 9 | M5 7 Jan | Moderate level | 27 min |
| February | 3 | M1.4 14 Feb | Moderate level | 2 min |
| March | 9 | X1.7 17 Mar | High level | 36 min |
| April | 13 | M7 26 Apr | Moderate level | 3 min |
| May | 11 | X3.9 28 May | High level | 2 h 12 min |
| June | 36 | X1.8 11 Jun | High level | 2 h 41 min |
| July | 8 | M3.9 10 Jul | Moderate level | 21 min |
| August | 4 | M3 19 Aug | Moderate level | 36 min |
| September | 2 | M1.4 16 Sep | Moderate level | 15 min |
| October | 45 | X18.4 28 Oct | High level | 7 h 32 min |
| November | 28 | X18.4 4 Nov | High level | 4 h 21 min |
| December | 6 | M2.3 6 Dec | Moderate level | 6 min |