Air Quality

Understanding urban air through community-based monitoring programmes and measuring atmospheric air pollution.

  • Community air: Air quality issues in NZ towns

    Research Project
    Community Air is a family of research studies, community projects and commercial services that empower local communities to engage with, assess and tackle local air quality issues.
  • Auckland motorway

    Traffic emissions mapping - black carbon and nitrogen dioxide

    Research Project
    Black carbon, commonly known as soot, is made of microscopic particles generated by incomplete combustion. Download our latest maps of long-term average concentrations of black carbon from road traffic. Equivalent maps for nitrogen dioxide (NO2) are coming soon.
  • Air aware: air quality lessons for teachers and experiments for curious kids

    Air Aware is a collection of air quality lessons for schools, made up of theory, videos, activities and quizzes. Air Aware is supported by MBIE’s Unlocking Curious Minds contestable fund.
  • Assessing post-cyclone air quality across Tairāwhiti and Hawke’s Bay

    Assessing post-cyclone air quality across Tairāwhiti and Hawke’s Bay

    The vast quantities of silt deposited by flooding have resulted in high levels of silt dust in the air across Tairāwhiti and Hawke’s Bay.
  • Some homes contain 3 times more air pollution, NIWA finds

    Media release
    A new study from NIWA has mapped outdoor air quality for Invercargill and Alexandra in more detail than ever before.
  • Air Action: enabling householders and building managers to trial air quality solutions

    Air Action

    Enabling householders and building managers to trial air quality solutions
  • Colin Anderson - Volunteer air watcher from Invercargill

    Air Watch

    Empowering the public to monitor air quality
  • 2020_08_MASTERTON_AIR_QUALITY_beamish_5063-web

    Air Aware: Learning experiences to build awareness about air quality

    Learning experiences to build awareness about air quality
  • Air quality project with Alexandra primary school

    Air quality in Arrowtown - 2019 Arrowtown School project

    NIWA worked with Year 8 students at Arrowtown School to analyse, visualise and communicate air quality data.
  • Arrowtown, NZ

    Air quality in Arrowtown - 2019 results

    Read a summary of results and download our full report on 2019 outdoor air quality.
  • Reducing COVID-19 transmission through increased ventilation

    Research Project
    Funded by the Ministry of Health, NIWA air quality researchers are carrying out research to understand ventilation behaviour and examine how well spaces used by our most vulnerable populations are, and could be, ventilated.
  • Opening windows and doors “one of the best ways” to remove Covid-19 from classroom air

    Media release
    One of the best ways to reduce the likelihood of Covid-19 being transmitted in Aotearoa New Zealand classrooms is simply by opening doors and windows to create natural ventilation, say NIWA air quality experts.