Site Data

Latest data for Chilbolton Observatory

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) 16/05/2026 12:00 84.219 µg/m3 Hourly -
Nitric oxide (NO) 16/05/2026 12:00 0.374 µg/m3 Hourly -
Nitrogen dioxide (NO2) 16/05/2026 12:00 3.634 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 16/05/2026 12:00 4.208 µg/m3 Hourly -
Sulphur dioxide (SO2) 16/05/2026 12:00 1.197 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 16/05/2026 12:00 4.700 µg/m3 (FIDAS) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 16/05/2026 12:00 2.642 µg/m3 (Ref.eq) Hourly -
1,3-butadiene (1,3-butadiene) 16/05/2026 11:00 0.043 µg/m3 Hourly -
benzene (benzene) 16/05/2026 11:00 0.076 µg/m3 Hourly -

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