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) 27/09/2020 12:00 14.968 µg/m3 Hourly -
Nitrogen dioxide (NO2) 27/09/2020 12:00 23.333 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 27/09/2020 12:00 46.283 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 27/09/2020 12:00 17.392 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 27/09/2020 12:00 11.000 µg/m3 (BAM) Hourly -

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