Southend Borough Council

Southend-on-Sea (SEND, an AURN site)

Latitude: 51.544206
Longitude: 0.678408
Date Started: 24/07/2000
Altitude: 37 metres
Environment: Urban Background

Latest Data

This monitoring site data was last updated: 24/07/2019 02:00

Parameter Pollution Band Concentration Period
Ozone (O3) Moderate (Index 5) 131 µg/m3 8 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 2) 14 µg/m3 (TEOM FDMS) 24 Hour mean
Nitrogen dioxide (NO2) Low (Index 1) 37 µg/m3 hourly mean
Nitric oxide (NO) not applicable 1 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 39 µg/m3 hourly mean
Non-volatile PM2.5 (Hourly measured) not applicable 11 µg/m3 (TEOM FDMS) 24 Hour mean
Volatile PM2.5 (Hourly measured) not applicable 3 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.

Map showing the location of the Southend-on-Sea monitoring site