Following their impressive derby win over Tottenham last week, Mikel Arteta’s side were fortunate to come away from the Amex Stadium with a point.
Brighton dominated the majority of the match but lacked the cutting edge in attack.
Arsenal remain unbeaten in four consecutive Premier League matches and move up to ninth place in the table.
Brighton were unaffected by the soaking conditions and managed to dominate and control the game throughout the first half.
Shane Duffy also had an opportunity moments later but his header went past the post.
Arsenal’s evening was compounded when Bukayo Saka limped off with an injury late on.