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Diffusion Tube Sites - Sproston and Allostock

The tables below show air quality monitoring data for diffusion tube sites in Sproston and Allostock. Readings are in micrograms per cubic metre. The annual objective for nitrogen dioxide (NO2) is 40 micrograms per cubic metre. Results are as recorded at the monitoring site and do not necessarily represent pollution levels at nearby residences.

Allostock

 Site  Type  Pollutant  2016 2017  2018  2019 
 Middlewich Road (a) AP  Roadside  NO2  31.2  28.3  25.3 23.9 
 Middlewich Road (b) AHH  Other  NO2  21.5  17.7  19.4  18.9

Diffusion tube sites can be viewed on the diffusion tube map below.

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