Site Data

Latest data for Horley

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) 16/01/2026 01:00 0.249 µg/m3 Hourly -
Nitrogen dioxide (NO2) 16/01/2026 01:00 5.738 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 16/01/2026 01:00 6.120 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 16/01/2026 01:00 5.100 µg/m3 (FIDAS) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 16/01/2026 01:00 3.585 µg/m3 (Ref.eq) Hourly -

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