The case rate in the city has now fallen for 20 consecutive days - and for 26 out of 28 days.
The rate in the city now stands at 519.2 cases per 100,000 people - the lowest rate recorded since December 12 2021. The rate remains above the UK rate, which stands at 477.5.
In the seven days up to February 17, there were 1,052 recorded cases in the city - 684 fewer than the previous seven days.
Of the 22 areas of the city, only two saw a small rise, with all the others seeing a fall. Every area in the city had seen a reduction in the previous two weeks.
While restrictions are being relaxed, Peterborough residents are still being urged to take precautions, including working from home, getting vaccinated and testing regularly.