North Down Holywood A2
Last Updated: 13/02/2025 15:00
Pollutant | Band | Concentration | Period | Last updated |
---|---|---|---|---|
Nitric oxide (NO) | NO DATA (0) | 18 µgm-3 | hourly mean | 13/02/2025 15:00 |
Nitrogen dioxide (NO2) | LOW (1) | 18 µgm-3 | hourly mean | 13/02/2025 15:00 |
Nitrogen oxides as nitrogen dioxide (NOXasNO2) | NO DATA (0) | 46 µgm-3 | hourly mean | 13/02/2025 15:00 |
PM10 particulate matter (Hourly measured) | LOW (2) | 21 µgm-3 (FIDAS) | 24 Hour mean | 13/02/2025 15:00 |
PM2.5 particulate matter (Hourly measured) | LOW (2) | 13 µgm-3 (Ref.eq) | 24 Hour mean | 13/02/2025 15:00 |
Parameter | Parameter Name |
---|---|
NO | Nitric oxide |
NO2 | Nitrogen dioxide |
NOXasNO2 | Nitrogen oxides as nitrogen dioxide |
PM10 | PM10 Particulate Matter |
PM2.5 | PM2.5 Particulate Matter |
M_DIR | Modelled Wind Direction |
M_SPED | Modelled Wind Speed |
M_T | Modelled Temperature |
DIR | Wind Direction |
SPED | Wind Speed |
T | Ambient Temperature |
TMP | Enclosure Temperature |
Site Information | |
---|---|
Altitude | Not Available |
Coordinates (Lat/Long) | 54.641963, -5.837939 |
Environment Type | Roadside: A site sampling between 1m of the kerbside of a busy road and the back of the pavement. Typically this will be within 5m of the road, but could be up to 15m. |
Kerb Distance | 4.6m |
Height | Metres |
Site Comments | Marine Highway |
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 | - |
Enclosure Temperature | 01/03/2003 | 08/03/2006 |