AURN Monitoring Site

Leeds Centre (LEED, an AURN site)

Latitude: 53.803780
Longitude: -1.546472
Date Started: 04/01/1993
Altitude: 78 metres
Environment: Urban Centre

Latest Data

This monitoring site data was last updated: 12/12/2018 10:00

Parameter Pollution Band Concentration Period
PM10 particulate matter (Hourly measured) Low (Index 3) 39 µg/m3 (TEOM FDMS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 3) 31 µg/m3 (TEOM FDMS) 24 Hour mean
Sulphur dioxide (SO2) Low (Index 1) 4 µg/m3 15 Minute mean
Nitrogen dioxide (NO2) Low (Index 1) 55 µg/m3 hourly mean
Ozone (O3) Low (Index 1) 4 µg/m3 8 Hour mean
Nitric oxide (NO) not applicable 43 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 121 µg/m3 hourly mean
Carbon monoxide (CO) not applicable 0.4 mg/m3 8 Hour mean
Non-volatile PM10 (Hourly measured) not applicable 30 µg/m3 (TEOM FDMS) 24 Hour mean
Volatile PM10 (Hourly measured) not applicable 9 µg/m3 (TEOM FDMS) 24 Hour mean
Non-volatile PM2.5 (Hourly measured) not applicable 22 µg/m3 (TEOM FDMS) 24 Hour mean
Volatile PM2.5 (Hourly measured) not applicable 8 µg/m3 (TEOM FDMS) 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.

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Map showing the location of the Leeds Centre monitoring site