From April 4 at 11.59pm, My Vaccine pass will no longer be required. However businesses can still use the system if they would still like to. 

Some vaccine mandates will also be dropped. 

But mask wearing remains important despite these changes, Prime Minister Jacinda Ardern previously said. 

When Ardern announced these changes on March 23, she said the Red traffic light setting means “indoor gathering limits and masks, Orange means masks, and Green means guidance”. 

 On March 23, face masks were no longer required to be worn outdoors at all traffic light settings. 

This includes venues, and outdoor arrival and departure points such as bus stops, or train stations. 

Ardern said she knew that masks were new for New Zealanders and most people disliked them. 

"But they are so critical, and one of the ways we can show care and respect for one another, including our immunocompromised community."

According to the Unite Against Covid-19 website, everyone must wear a mask that is attached to the face by loops around the ears or head. 

This means people can no longer use scarves, bandannas or t-shirts as face coverings.

We asked Dr Joel Rindelaub - air quality researcher at Auckland University - to rank the most effective masks on the market. How does yours stack up?

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