Labour leader David Cunliffe is in Tauranga today for a number of civic engagements beginning with a meet and greet at Tauranga Boys' College.

He will then move down to Greerton for a street walk, before opening a new playground at Merivale School.

Labour leader David Cunliffe at Tauranga Boys' College.

David Cunliffe with Tauranga Boys' College principal Robert Mangan.

With a month to go until the General Election on September 20 the campaign trail is heating up.

3News latest Reid Research poll puts Labour on 29 per cent with David Cunliffe at 9.9 per cent for preferred Prime Minister.

The poll, of 1000 Kiwis undertaken over a week ending August 13, puts National on 47.5 per cent with John Key at 44 per cent as preferred Prime Minister.

The Greens polled 11 per cent with NZ First at five per cent, NZ Herald reports.