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) 20/10/2026 03:00 22.751 µg/m3 Hourly -
Nitric oxide (NO) 20/10/2026 03:00 0.249 µg/m3 Hourly -
Nitrogen dioxide (NO2) 20/10/2026 03:00 13.196 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 20/10/2026 03:00 13.579 µg/m3 Hourly -
Sulphur dioxide (SO2) 20/10/2026 03:00 1.064 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 20/10/2026 03:00 13.900 µg/m3 (FIDAS) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 20/10/2026 03:00 12.547 µg/m3 (Ref.eq) Hourly -
1,3-butadiene (1,3-butadiene) 16/10/2026 12:00 0.011 µg/m3 Hourly No Current Data
benzene (benzene) 16/10/2026 11:00 0.636 µg/m3 Hourly No Current Data

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