AURN Monitoring Site Monitoring Data

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Stevenage St Georges Way South (STGW, an AURN site)

Latitude: 51.903112
Longitude: -0.199370
Date Started: 14/04/2026
Environment: Roadside

Latest Data

This monitoring site data was last updated: 07/05/2026 12:00

Parameter Pollution Band Concentration Period
PM2.5 particulate matter (Hourly measured) Low (Index 1) 6 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 Stevenage St Georges Way South monitoring site