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) 11/12/2019 12:00 50.017 µg/m3 Hourly -
Nitrogen dioxide (NO2) 11/12/2019 12:00 56.993 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 11/12/2019 12:00 133.684 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 11/12/2019 12:00 13.527 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 11/12/2019 12:00 4.000 µg/m3 (BAM) Hourly -

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