Muslim community leaders say NZ's anti-Muslim climate is now worse than before the 2019 Christchurch mosque attacks

Muslim community leaders are warning that New Zealand is facing the most dangerous environment with the worst anti-Muslim extremism in two decades.

Terror threats have surged, along with online radicalisation and hate-fuelled crime now eclipsing even the climate before the March 15 Christchurch mosque attacks.

Federation of Islamic Associations chairperson Abdur Razzaq said community leaders were preparing to urgently seek a meeting with the prime minister amid what he described as an "unprecedented" escalation in threats against mosques and Muslim communities nationwide.

"What we are seeing now is a level of threat - really tangible, incredible threats against mosques and Muslims in New Zealand - which we have never seen before," Razzaq said.