AURN Monitoring Site Monitoring Data

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Wirral Tranmere (TRAN, an AURN site)

Latitude: 53.372870
Longitude: -3.022722
Date Started: 14/05/2000
Altitude: 38 metres
Environment: Urban Background

Latest Data

This monitoring site data was last updated: 24/12/2025 10:00

Parameter Pollution Band Concentration Period
Ozone (O3) Low (Index 2) 59 µg/m3 8 Hour mean
Nitrogen dioxide (NO2) Low (Index 1) 9 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 14 µg/m3 (FIDAS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 10 µg/m3 (Ref.eq) 24 Hour mean
Nitric oxide (NO) not applicable 1 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 10 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 Wirral Tranmere monitoring site