Horsham District Council Monitoring Data

Cowfold Roadside (SAP007)

Latitude: 50.989063
Longitude: -0.270257
Date Started: 20/09/2010
Inlet Height: 2.0 metres
Environment: Urban Traffic
Site Comments
Data management not undertaken by Ricardo prior to 1st January 2026. For measurements prior to this date please visit www.sussex-air.net

Latest Data

This monitoring site data was last updated: 06/02/2026 21:00

Parameter Pollution Band Concentration Period
PM2.5 particulate matter (Hourly measured) Low (Index 1) 7 µg/m3 (TEOM FDMS) 24 Hour mean
Non-volatile PM2.5 (Hourly measured) not applicable 6 µg/m3 (TEOM FDMS) 24 Hour mean
Volatile PM2.5 (Hourly measured) (Volatile PM2.5) not applicable 1 µg/m3 (TEOM FDMS) 24 Hour 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.

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Map showing the location of the Cowfold Roadside monitoring site