AURN Monitoring Site Monitoring Data

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Darlington Firthmoor (DARF, an AURN site)

Latitude: 54.516956
Longitude: -1.534525
Date Started: 01/04/2026
Altitude: 42 metres
Inlet Height: 2 metres
Environment: Urban Background

Latest Data

This monitoring site data was last updated: 07/05/2026 13:00

Parameter Pollution Band Concentration Period
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

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 Darlington Firthmoor monitoring site