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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.

Winton at Essex Street

The monitoring site at Centennial Park in Winton is a survey site, established to assess ambient air quality in the town.

The Winton at Essex Street monitoring site was first established in 2006 (High Vol), with PM10 monitoring continuing until 2010. The site was reinstated in 2013, when a continuous sampler (BAM-Thermo FH62) was installed to provide a better understanding of the diurnal variations in the town. In 2019, the continuous sampler was upgraded and the site now monitors PM2.5 concentrations (BAM-Thermo 5014i).

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.

 

  • PM2.5
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    • Exceedance
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    PM2.5 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 PM2.5 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 PM2.5 concentrations and exceedance days are compared to the WHO guidelines.  The 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 PM2.5 concentrations.  See this factsheet about why air quality is important and factors that influence air quality. 

     Download data