Diffusion Tube Results

The results below show raw data, they are provisional and have not yet been annualised, bias adjusted or distance corrected.

The raw data should be used for indicative purposes only, for adjusted results view the Air Quality Annual Status Report (ASR). The ASR is available upon request, please contact Environmental Health at env.health@molevalley.gov.uk or 01306 879143.

All periods of exposure are across four to five weeks, in accordance with DEFRA recommendations.

Monthly 2023

Site NameLocationX OS Grid Ref (Easting)Y OS Grid Ref (Northing)NO2 Concentrations μg/m3
 JanFebMarAprMayJunJulAugSepOctNovDec
MV1West Street, Dorking51638814936623262325232519162231
MV2Vincent Lane CH, Dorking5162731488762424192019221512n/dn/d
MV3Lonsdale Road, Dorking5168691497971718151410181081413
MV4A24 Beare Green51781914305532302835233531213845
MV5Osbrooks Lodge, A24 Horsham Road, Capel5172271386851212101211111071112
MV6Surrey County Council Highways Depot51721015720033332638262919162127
MV7A25 Reigate Road, Betchworth52020415057814141215141511101413
MV88 Russ Hill, Charlwood52341214058217161518131712101516
MV9Withey Meadows, Hookwood526913142369121312109121181410
MV10Green Lane, Ashstead51771215674423283326182727233027
MV11Green Lane, Ashstead51780415675126272422152321172726
MV12Green Lane (Quarry Gardens)51767415684021272323152215192221
MV13Vincent Lane WS, Dorking51612014935729332940122921203233
MV14Pippbrook Council Offices, Dorking5170351498051818161515161591317
MV15Square About, Bookham513483154600263027272129321922n/d
MV16Cobham Road, Fetcham51467715655722262621242619142826
MV17Leret Road, Leatherhead51676315656332261723232317151825
MV18Deepdene Roundabout51724114984732383849344331244933
MV19Lowfield Heath Road52490914023116211823242217162019

n/d – no data collected