Site Data

Latest data for Southampton A33

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) 20/10/2026 03:00 1.372 µg/m3 Hourly -
Nitrogen dioxide (NO2) 20/10/2026 03:00 13.770 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 20/10/2026 03:00 15.874 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 20/10/2026 03:00 12.800 µg/m3 (FIDAS) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 20/10/2026 03:00 11.415 µg/m3 (Ref.eq) Hourly -

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