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) 20/04/2024 13:00 12.972 µg/m3 Hourly -
Nitrogen dioxide (NO2) 20/04/2024 13:00 21.611 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 20/04/2024 13:00 41.501 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 20/04/2024 13:00 10.628 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 20/04/2024 13:00 7.000 µg/m3 (BAM) Hourly -

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