AURN Monitoring Site Monitoring Data

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Bristol Temple Way (BR11, an AURN site)

Latitude: 51.457968
Longitude: -2.583975
Date Started: 01/04/2017
Altitude: 13 metres
Inlet Height: 1.9 metres
Environment: Rural

Latest Data

This monitoring site data was last updated: 29/10/2025 23:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 28 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 7 µg/m3 (FIDAS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 3 µg/m3 (Ref.eq) 24 Hour mean
Nitric oxide (NO) not applicable 6 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 38 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 Bristol Temple Way monitoring site