Site Data

Latest data for Southend-on-Sea

The table below shows the latest data for this monitoring site. Use the links below the table to view the interactive map or perform further site searches.

Pollutant Date Time Measurement Unit Period Comment
Ozone (O3) 30/04/2026 21:00 89.008 µg/m3 Hourly -
Nitric oxide (NO) 30/04/2026 21:00 0.249 µg/m3 Hourly -
Nitrogen dioxide (NO2) 30/04/2026 21:00 17.021 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 30/04/2026 21:00 17.404 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 30/04/2026 21:00 34.300 µg/m3 (FIDAS) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 30/04/2026 21:00 8.868 µg/m3 (Ref.eq) Hourly -

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