Site Data

Latest data for Chepstow A48

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) 26/07/2024 24:00 12.847 µg/m3 Hourly -
Nitrogen dioxide (NO2) 26/07/2024 24:00 23.524 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 26/07/2024 24:00 43.223 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 27/07/2024 01:00 15.459 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 27/07/2024 01:00 7.000 µg/m3 (BAM) Hourly -

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