AURN Monitoring Site Monitoring Data

Swindon Walcot (SWHO, an AURN site)

Latitude: 51.558061
Longitude: -1.765678
Date Started: 01/01/2018
Altitude: 104 metres

Latest Data

This monitoring site data was last updated: 10/08/2022 08:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 10 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 14 µg/m3 (FIDAS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 5 µg/m3 (Ref.eq) 24 Hour mean
Nitric oxide (NO) not applicable 2 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 14 µg/m3 hourly mean

Note: Values are based on provisional data. Data are GMT hour ending.
PM10 is measured as a running 24 hour mean, up to the current hour, and the band/index is calculated accordingly.

Map showing the location of the Swindon Walcot monitoring site