Name: M1.1 — Moderate level
Start: 2017-10-20T23:28:00+00:00
End: 2017-10-20T23:30:00+00:00

Solar Flares in 2017
40 flares ↑ MAX: X9.3 ↓ MIN: A0.4

In 2017, more than 40 solar flares were recorded. The most active month was September with 28 solar flares: X9.3 (Sep 6), X8.3 (Sep 10), X1.4 (Sep 7). Compared with 2016, that is 186% more — rising solar flare activity. The strongest solar flare was X9.3 on September 6, 2017 (4 hours 51 minutes straight). The quietest month was August (only 1 solar flare).

Most powerful Solar Flares in 2017

Month	Events	Strongest event	Level	Duration
April	7	M5.8 3 Apr	Moderate level	11 min
July	3	M2.4 14 Jul	Moderate level	2 h 6 min
August	1	M1.2 20 Aug	Moderate level	6 min
September	28	X9.3 6 Sep	High level	4 h 51 min
October	1	M1.1 20 Oct	Moderate level	2 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