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) 09/05/2025 09:00 11.849 µg/m3 Hourly -
Nitrogen dioxide (NO2) 09/05/2025 09:00 19.508 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 09/05/2025 09:00 37.676 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 09/05/2025 09:00 15.459 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 09/05/2025 09:00 10.000 µg/m3 (BAM) Hourly -

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