Site Data

Latest data for Swansea Roadside

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
Nitric oxide (NO) 13/01/2026 14:00 1.123 µg/m3 Hourly -
Nitrogen dioxide (NO2) 13/01/2026 14:00 3.825 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 13/01/2026 14:00 5.546 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 13/01/2026 14:00 6.763 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 13/01/2026 14:00 9.000 µg/m3 (BAM) Hourly -

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