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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.

Riccarton Road

This site was established in mid-2006 to provide information about air quality at roadside. Nitrogen dioxide and carbon monoxide have been monitored since 2006 and have not exceeded their guidelines. PM10 has been monitored occasionally. There have been exceedances of the daily guideline, mainly driven by high evening concentrations. but less often than at other sites in Christchurch.  

Sulphur dioxide was monitored from late 2007 to early 2008, and concentrations were well below the guidelines. Benzene has been monitored since 2001 and annual average concentrations have been falling steadily over this time, from above guideline to their current levels at around one third of the annual guideline.

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.

 

  • Nitrogen dioxide Data verified to 18/04/2024
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    • Exceedance
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    Nitrogen dioxide information

    • Hourly
    • Daily
    • Monthly
    • Annual
    • Exceedances
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    • Show temperature
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    Concentration (µg/m3)


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    Air temperature (℃)


    Guideline

    What is this graph showing me?

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

    The nitrogen dioxide hourly average concentrations and exceedances are compared to the National Standard (NES-AQ). The nitrogen dioxide daily and annual average concentrations are compared to the WHO guidelines.  The standard and guideline limits are denoted by the red horizontal line. There is no guideline for 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.  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 nitrogen dioxide concentrations.  See this factsheet about why air quality is important and factors that influence air quality. 

  • Carbon monoxide Data verified to 18/04/2024
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    Carbon monoxide information

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

    Guideline


    Concentration (mg/m3)


    Wind speed (km/h)


    Air temperature (℃)


    Guideline

    What is this graph showing me?

    This graph shows how concentrations of carbon monoxide change on an hourly, daily, monthly or annual basis for the selected time period. 

    The carbon monoxide hourly and daily concentrations are compared to WHO guidelines. The guideline limits are denoted by the red horizontal line.  There are no guidelines for monthly or annual average data. The NES-AQ is for an eight-hour average carbon monoxide concentration of 10 mg/m3, not shown here.  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 what the weather is.  Emissions from various sources change, depending on whether it’s a weekday or the weekend or at different times of the year. 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 carbon monoxide concentrations.  See this factsheet about why air quality is important and factors that influence air quality. 

  • Benzene
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    Benzene information

    • Hourly
    • Daily
    • Monthly
    • Annual
    • 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?

    The annual graph shows how concentrations of benzene change from year to year. Benzene is not usually measured continuously. Four samples over three months each combine to give an annual average.

    The annual average is shown against the National Ambient Air Quality Guideline (AAQG).  The limit is denoted by a red horizontal line.  For information about allowable exceedances and targets, and the limitations of data shown, see the factsheet on monitoring air quality in New Zealand.