On Tuesday night, Prime Minister Jacinda Ardern announced there were four new Covid-19 cases in the community.
Auckland moved into level 3 at midday on Wednesday, and the rest of the country into level 2.
Kiwis outside of Auckland can still continue to go to work and school, with physical distancing, and are advised to wear masks in public.
Businesses can open to the public if they are following public health guidance, which includes physical distancing and record keeping.
In terms of gatherings, New Zealanders must not travel to events with more than 100 people. This includes weddings, birthdays, funerals and tangihanga.
The Government advises all Kiwis to practise good hygiene and stay home if sick.
For more information on what the different alert levels mean for you, click here.
At 12 noon today, the Waikato Region moves to Alert Level 2. Our libraries will be open but with restrictions in place.
This will affect our opening hours and our programmes will also be affected. There will be no Toddler Time (Thursday) and no Makerspace in Te Awamutu Library (Thursday).
No events will take place until further notice. Tonight's event in Cambridge (Disaster on Four Small Paws) has been cancelled. There will be no Film Club on Friday night.
Please stay safe, and remember to stay home if you are feeling unwell.
We will be closing our New Zealand care centres to all visitors from 10am on Wednesday August 12 following the re-emergence of COVID-19 in the community in Auckland, and Level 2 Alert level in the remainder of New Zealand.