Horsham District Council Monitoring Data

Horsham Park Way Roadside (SAP008)

Latitude: 51.062593
Longitude: -0.324818
Date Started: 03/12/2004
Inlet Height: 3.0 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 22:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 16 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 9 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 7 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 27 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.

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Map showing the location of the Horsham Park Way Roadside monitoring site