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) 09/07/2025 07:00 19.707 µg/m3 Hourly -
Nitrogen dioxide (NO2) 09/07/2025 07:00 14.918 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 09/07/2025 07:00 45.135 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 09/07/2025 07:00 7.730 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 09/07/2025 07:00 5.000 µg/m3 (BAM) Hourly -

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