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) 01/07/2025 14:00 19.084 µg/m3 Hourly No Current Data
Nitrogen dioxide (NO2) 01/07/2025 14:00 21.994 µg/m3 Hourly No Current Data
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 01/07/2025 14:00 51.255 µg/m3 Hourly No Current Data
PM10 particulate matter (Hourly measured) (PM10) 01/07/2025 14:00 16.425 µg/m3 (Ref.eq) Hourly No Current Data
PM2.5 particulate matter (Hourly measured) (PM2.5) 01/07/2025 14:00 9.000 µg/m3 (BAM) Hourly No Current Data

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