Hertfordshire and Bedfordshire Monitoring Data
Sandy Roadside (SDY, an AURN site)
Date Started: 28/07/2008
Inlet Height: 3 metres
This monitoring site data was last updated: 18/01/2021 16:00
|PM2.5 particulate matter (Hourly measured)||No Data||24 Hour mean|
|Nitrogen dioxide (NO2)||Low (Index 1)||35 µg/m3||hourly mean|
|PM10 particulate matter (Hourly measured)||No Data||24 Hour mean|
|Nitric oxide (NO)||not applicable||24 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||72 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.
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