Story: Atmosphere

Emission survey

Emission survey

In Auckland in 2003, scientists monitored pollutants from the exhaust of passing vehicles. Emissions were rated ‘good’, ‘fair’ or ‘poor’, and the ratings were displayed on a sign for drivers to see. A small proportion of cars were responsible for producing most of the pollutants.

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NIWA – National Institute of Water and Atmospheric Research

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How to cite this page:

Bill Allan, Katja Riedel, Richard McKenzie, Sylvia Nichol and Tom Clarkson, 'Atmosphere - Atmospheric pollution', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/photograph/6161/emission-survey (accessed 17 November 2019)

Story by Bill Allan, Katja Riedel, Richard McKenzie, Sylvia Nichol and Tom Clarkson, published 12 Jun 2006