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: 14/04/2021 13:00
|PM10 particulate matter (Hourly measured)||Low (Index 2)||21 µg/m3 (Ref.eq)||24 Hour mean|
|Nitrogen dioxide (NO2)||No Data||hourly mean|
|PM2.5 particulate matter (Hourly measured)||Low (Index 1)||9 µg/m3 (BAM)||24 Hour mean|
|Nitric oxide (NO)||No Data||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||No Data||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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