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Corner of Devon and Currie St, New Plymouth

The central New Plymouth monitoring site was carried out to provide regional level of inhalable particulates PM10 and carbon monoxide levels for New Plymouth city.

The central New Plymouth monitoring site was on the corner of Devon and Currie Street, on the balcony of the Unichem Pharmacy about 3 m from the ground level. Ambient air quality monitoring was conducted using a Grimm dust monitor over a one month period from March 2000 to April 2000. The equipment recorded one minute average concentration of CO2.

Scientific Indicators
Scientific data for this site

This dashboard shows information on the data collected by the regional councils for air quality scientific indicators:

  • Carbon monoxide
    • Hourly average
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    • Daily average
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    • Monthly average
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    • Annual average
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    What do the dashboard colours mean for carbon monoxide?

    The dashboard colours show how carbon monoxide levels sit in relation to the guideline – from green (less than 10%) to red (over the guideline).  The guideline (100% value) for the hourly average carbon monoxide is 30 mg/m3.  There are no guidelines for daily, monthly or annual data (charcoal colour). 

    Colour Percent of guidelines
    Less than 10% of guideline
    10-33% of guideline
    33-66% of guideline
    66-100% of guideline
    Greater than 100% of guideline
    No guideline

    Carbon monoxide information

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

    Guideline


    Concentration (mg/m3)


    Wind speed (km/h)


    Air temperature (℃)

    What is this graph showing me?

    This graph shows how levels of carbon monoxide change on an hourly, daily, monthly or annual basis for the selected time period. The levels depend on local sources of emissions and what the weather is doing.  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 goes 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.  The carbon monoxide concentrations are shown against the guidelines for air quality (hourly), and where concentrations exceed 100% of the guideline (red line) this can be a cause for concern, especially if this occurs on a frequent basis. 

    For information about allowable exceedances and targets, and the limitations of data shown, see the Factsheet on monitoring air quality in New Zealand