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Navigation tip: find out about sources of air quality pollutants and seasonal air quality patterns in this town by selecting the town name above. View regional summary results by selecting Air Quality.

Nelson at Green Meadows

Stoke forms the southern residential part of Nelson City lying between the central city and Richmond urban area along a narrow coastal plain. It includes Maitlands, Nayland, Saxton, Langbein, Isel Park, Ngawhatu and part of Enner Glynn areas. It has one PM10 monitoring site which produces daily averages, so no hourly data are available. Daily data can be viewed by selecting Show more information + and a minimum time period of 6 months.

A new PM10 monitoring site was established in 2015 using a gravametric monitor which records 24 hour averages all year (Partisol 2025i). There can be a delay of up to a month in reporting data from this site to enable time for filter delivery and analysis. There is no meteorological equipment at this site. Stoke is comprised of residential areas located on a shallow coastal fan. The main source of PM10 is considered to be domestic heating with a minor contribution from transport and natural soures (marine aerosol). 

Scientific Indicators
Scientific data for this site

This dashboard shows the latest results for air quality indicators collected by regional councils and unitary authorities.  Indicators are shown against the National Environmental Standards for Air Quality (NES-AQ).  Where no national standards exist for the air quality measurements shown, the data are compared against other guidelines (e.g. World Health Organization (WHO) 2021 guidelines, Ambient Air Quality Guidelines (AAQG)).  

Select 'Show more information +' under a dashboard to see the current and historical monitoring data.

 

  • PM10
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    • Exceedance
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    PM10 information

    • Hourly
    • Daily
    • Monthly
    • Annual
    • Exceedances
    • Show wind speed
    • Show temperature
    Months:
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    Showing:

    Guideline

    Concentration (µg/m3)

    Wind speed (km/h)

    Air temperature (℃)

    Guideline

    What is this graph showing me?

    This graph shows how concentrations of PM10 change on an hourly, daily, monthly or annual basis for the selected time period. The number of exceedance days can be viewed over the last 10 years or all years if available.

    The PM10 daily average concentrations and exceedance days are compared to the National Standard (NES-AQ), and the PM10 annual average concentrations are compared to the WHO guideline.  The standard and guideline limits are denoted by the red horizontal line.   There are no guidelines for hourly or monthly average concentrations.  For information about allowable exceedances and targets, and the limitations of data shown, see the factsheet on monitoring air quality in New Zealand. 

    The concentrations depend on local sources of emissions and weather conditions. Emissions from various sources change, depending on whether it's a weekday or the weekend or at different times of the year (e.g. emissions from home heating go up in the cold winter months).  Still conditions often lead to high concentrations, as there is no wind to blow away the pollutants in the air.  At some monitoring sites, the hourly temperature and wind data are available to explore the relationship between local weather conditions and PM10 concentrations.  See this factsheet about why air quality is important and factors that influence air quality. 

     Download data