Solar Flares in October, 2011
9 flares ↑ MAX: M3.9 ↓ MIN: B3.1
9 flares ↑ MAX: M3.9 ↓ MIN: B3.1
In October 2011, 9 solar flares were recorded; the strongest was M3.9 on October 2, 2011. The longest run of consecutive active days was 3 (20 Oct–22 Oct).
Most powerful Solar Flares in October 2011
| Date | Class | Level | Duration |
|---|---|---|---|
| October 2, 2011 | M3.9 | Moderate level | 16 min |
| October 20, 2011 | M1.6 | Moderate level | 16 min |
| October 2, 2011 | M1.4 | Moderate level | — |
| October 31, 2011 | M1.4 | Moderate level | 30 min |
| October 1, 2011 | M1.3 | Moderate level | 11 min |
| October 21, 2011 | M1.3 | Moderate level | 1 min |
| October 22, 2011 | M1.3 | Moderate level | 15 min |
| October 22, 2011 | M1.2 | Moderate level | 40 min |
| October 31, 2011 | M1.1 | Moderate level | — |
Solar Flares: Full Archive
| Year | Months |
|---|---|
| 2026 | Jan Feb Mar Apr May Jun Jul |
| 2025 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2024 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2023 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2022 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2021 | Apr May Jul Aug Sep Oct Nov Dec |
| 2020 | May Nov |
| 2017 | Apr Jul Aug Sep Oct |
| 2016 | Jan Feb Apr Jul Aug Nov |
| 2015 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2014 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2013 | Jan Feb Mar Apr May Jun Jul Aug Oct Nov Dec |
| 2012 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov |
| 2011 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2010 | Jan Feb May Aug Oct Nov |
| 2008 | Mar |
| 2007 | Jun |
| 2006 | Apr Jul Dec |
| 2005 | Jan Feb May Jun Jul Aug Sep Nov Dec |
| 2004 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2003 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2002 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2001 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |
| 2000 | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec |