AURN Monitoring Site

Horley (HORE, an AURN site)

Latitude: 51.165865
Longitude: -0.167734
Date Started: 21/11/2007
Altitude: 40 metres
Inlet Height: 3.2 metres
Environment: Urban Background

Latest Data

This monitoring site data was last updated: 12/12/2018 09:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 30 µg/m3 hourly mean
Nitric oxide (NO) not applicable 2 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 34 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 Horley monitoring site