North Down Holywood A2

Last updated: 28/07/2021 10:00


Latest Data
Pollutant Band Concentration Period
PM2.5 particulate matter (Hourly measured) LOW 1 4 µgm-3 (Ref.eq) 24 Hour mean
PM10 particulate matter (Hourly measured) LOW 1 7 µgm-3 (FIDAS) 24 Hour mean
Nitrogen dioxide (NO2) Not available No data hourly mean
Nitric oxide (NO) Not applicable No data hourly mean
Nitrogen oxides as nitrogen dioxide (NOXasNO2) Not applicable No data hourly mean
Graphing
Parameter Parameter Name
NO Nitric Oxide
NO2 Nitrogen dioxide
NOXasNO2 Nitrogen oxides as nitrogen dioxide
SO2 Sulphur dioxide
PM10 Particulates < 10 µm (hourly measured)
PM2.5 Particulates < 2.5 µm (hourly measured)
Statistics
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Site Information
Site Information
Environment Type Roadside
Coordinates (Lat/Long) 54.641963, -5.837939
Altitude m
Kerb Distance Not Available
Site Comments Marine Highway Irish Grid Coords: J396792

Northern Ireland Automatic Urban Network

Parameter Date Started Date Ended
Nitric oxide 01/03/2003 -
Nitrogen dioxide 01/03/2003 -
Nitrogen oxides as nitrogen dioxide 01/03/2003 -
PM10 particulate matter (Hourly measured) 01/03/2003 -
PM2.5 particulate matter (Hourly measured) 16/11/2020 -
Modelled Wind Direction 01/08/2010 -
Modelled Wind Speed 01/08/2010 -
Modelled Temperature 01/08/2010 -
Wind Direction 01/03/2003 -
Wind Speed 01/03/2003 -
Ambient Temperature 01/03/2003 -
Barometric pressure 01/03/2003 -
Enclosure Temperature 01/03/2003 08/03/2006
Site Photos
North Down Holywood A2 site: Site view
Site
North Down Holywood A2 site: North view
North
North Down Holywood A2 site: East view
East
North Down Holywood A2 site: South view
South
North Down Holywood A2 site: West view
West