AURN Monitoring Site Monitoring Data

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Exeter Roadside (EX, an AURN site)

Latitude: 50.725083
Longitude: -3.532465
Date Started: 02/07/1996
Altitude: 43 metres
Inlet Height: 2 metres
Environment: Roadside

Latest Data

This monitoring site data was last updated: 04/04/2025 15:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 14 µg/m3 hourly mean
Ozone (O3) Low (Index 1) 33 µg/m3 8 Hour mean
Nitric oxide (NO) not applicable 3 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 19 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 Exeter Roadside monitoring site