Standard Sport knows that a £52 million agreement has been finalized, and that a physical will take place shortly.
Madueke, 23, is likely to sign a five-year deal after moving from west London to north London.
Despite playing a key role for Chelsea last season, when they qualified for the Champions League and won the Conference League, competition in attack has intensified with the acquisitions of Joao Pedro and Jamie Gittens.
After the Blues defeated Palmeiras to get to the Club World Cup semi-finals last week, Enzo Maresca voiced his thoughts on Madueke’s potential exit.
“Noni has been really essential to us this season. “He was important today,” remarked Chelsea’s head coach.
“But my message to the players and the club is that I only want players who are happy to be with us.”
“Those who are not happy are free to leave. It’s not just for Noni, but for all of our gamers.
“But again, Noni has been very good during the season and very good tonight.”
The England international will become Arsenal’s fourth acquisition of an already busy summer window, following the arrivals of Christian Norgaard, Martin Zubimendi, and former Chelsea teammate Kepa Arrizabalaga.