AURN Monitoring Site Monitoring Data
Chilbolton Observatory (CHBO, an AURN site)
Date Started: 11/01/2016
Inlet Height: 7 metres
This monitoring site data was last updated: Sorry, no current data available. The last data date time is: 30/11/2023 23:00
|Ozone (O3)||Low (Index 1)||27 µg/m3||8 Hour mean|
|Nitrogen dioxide (NO2)||Low (Index 1)||7 µg/m3||hourly mean|
|Sulphur dioxide (SO2)||Low (Index 1)||2 µg/m3||15 Minute mean|
|PM10 particulate matter (Hourly measured)||Low (Index 1)||13 µg/m3 (FIDAS)||24 Hour mean|
|PM2.5 particulate matter (Hourly measured)||Low (Index 1)||10 µg/m3 (Ref.eq)||24 Hour mean|
|Nitric oxide (NO)||not applicable||0 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||7 µg/m3||hourly mean|
Note: Values are based on provisional data. Data are GMT hour ending.
PM10 is measured as a running 24 hour mean, up to the current hour, and the band/index is calculated accordingly.
Other monitoring sites
Use the dropdown below to switch to another monitoring site within this local authority.