AURN Monitoring Site
Horley (HORE, an AURN site)
Latitude: 51.165865
Longitude: -0.167734
Date Started: 21/11/2007
Longitude: -0.167734
Date Started: 21/11/2007
Altitude: 40 metres
Inlet Height: 3.2 metres
Environment: Urban Background
Inlet Height: 3.2 metres
Environment: Urban Background
Latest Data
This monitoring site data was last updated: 13/10/2019 22:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| Nitrogen dioxide (NO2) | Low (Index 1) | 44 µg/m3 | hourly mean |
| Nitric oxide (NO) | not applicable | 19 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 74 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.
