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) 26/10/2021 08:00 12.224 µg/m3 Hourly -
Nitrogen dioxide (NO2) 26/10/2021 08:00 30.026 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 26/10/2021 08:00 48.769 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 26/10/2021 08:00 10.628 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 26/10/2021 08:00 3.000 µg/m3 (BAM) Hourly -

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