Solar Flares in April, 2015
9 flares ↑ MAX: M4 ↓ MIN: B2.1
9 flares ↑ MAX: M4 ↓ MIN: B2.1
In April 2015, 9 solar flares were recorded; the strongest was M4 on April 21, 2015. The longest run of consecutive active days was 3 (21 Apr–23 Apr).
Most powerful Solar Flares in April 2015
| Date | Class | Level | Duration |
|---|---|---|---|
| April 21, 2015 | M4 | Moderate level | 11 min |
| April 21, 2015 | M2.3 | Moderate level | 6 min |
| April 21, 2015 | M2.2 | Moderate level | 31 min |
| April 21, 2015 | M2 | Moderate level | 11 min |
| April 21, 2015 | M1.8 | Moderate level | 17 min |
| April 8, 2015 | M1.4 | Moderate level | 2 min |
| April 12, 2015 | M1.2 | Moderate level | 21 min |
| April 22, 2015 | M1.1 | Moderate level | — |
| April 23, 2015 | M1.1 | Moderate level | 36 min |
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 |