Site Data

Latest data for Port Talbot Margam

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) 14/03/2026 20:00 38.916 µg/m3 Hourly -
Nitric oxide (NO) 14/03/2026 20:00 1.871 µg/m3 Hourly -
Nitrogen dioxide (NO2) 14/03/2026 20:00 34.425 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 14/03/2026 20:00 37.294 µg/m3 Hourly -
Sulphur dioxide (SO2) 14/03/2026 20:00 0.798 µg/m3 Hourly -
Carbon monoxide (CO) 14/03/2026 20:00 0.163 mg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 14/03/2026 20:00 25.121 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 14/03/2026 20:00 10.000 µg/m3 (BAM) Hourly -

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