Site Data

Latest data for London Hillingdon

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
Ozone (O3) 30/04/2026 20:00 87.611 µg/m3 Hourly -
Nitric oxide (NO) 30/04/2026 20:00 0.624 µg/m3 Hourly -
Nitrogen dioxide (NO2) 30/04/2026 20:00 32.321 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 30/04/2026 20:00 33.278 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 30/04/2026 20:00 43.400 µg/m3 (FIDAS) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 30/04/2026 20:00 15.189 µg/m3 (Ref.eq) Hourly -

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