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) 28/05/2022 22:00 3.991 µg/m3 Hourly -
Nitrogen dioxide (NO2) 28/05/2022 22:00 13.005 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 28/05/2022 22:00 19.125 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 28/05/2022 22:00 10.628 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 28/05/2022 22:00 9.000 µg/m3 (BAM) Hourly -

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