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) 09/05/2025 06:00 56.279 µg/m3 Hourly -
Nitric oxide (NO) 09/05/2025 06:00 0.374 µg/m3 Hourly -
Nitrogen dioxide (NO2) 09/05/2025 06:00 5.546 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 09/05/2025 06:00 6.120 µg/m3 Hourly -
Sulphur dioxide (SO2) 09/05/2025 06:00 1.197 µg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 09/05/2025 06:00 8.000 µg/m3 (FIDAS) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 09/05/2025 06:00 5.472 µg/m3 (Ref.eq) Hourly -
1,3-butadiene (1,3-butadiene) 09/05/2025 05:00 0.032 µg/m3 Hourly -
benzene (benzene) 09/05/2025 05:00 0.016 µg/m3 Hourly -

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