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) 22/10/2024 07:00 14.593 µg/m3 Hourly -
Nitrogen dioxide (NO2) 22/10/2024 07:00 31.365 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 22/10/2024 07:00 53.741 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 22/10/2024 07:00 16.425 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 22/10/2024 07:00 2.000 µg/m3 (BAM) Hourly -

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