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 2024

Site Name	Location	X OS Grid Ref (Easting)	Y OS Grid Ref (Northing)	NO₂ Concentrations μg/m³
				Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
MV1	West Street, Dorking	516388	149366	24	20	22	20	19
MV2	Vincent Lane CH, Dorking	516273	148876	18	17	17	18	14
MV3	Lonsdale Road, Dorking	516869	149797	16	13	13	14	11
MV4	A24 Beare Green	517819	143055	25	27	26	25	28
MV5	Osbrooks Lodge, A24 Horsham Road, Capel	517227	138685	11	10	11	10	11
MV6	Surrey County Council Highways Depot	517210	157200	16	24	23	26	19
MV7	A25 Reigate Road, Betchworth	520204	150578	12	12	13	13	12
MV8	8 Russ Hill, Charlwood	523412	140582	15	15	16	14	12
MV9	Withey Meadows, Hookwood	526913	142369	13	11	12	11	No Readings
MV10	Green Lane, Ashstead	517712	156744	21	28	26	22	No Readings
MV11	Green Lane, Ashstead	517804	156751	20	22	23	18	18
MV12	Green Lane (Quarry Gardens)	517674	156840	21	20	20	17	17
MV13	Vincent Lane WS, Dorking	516120	149357	29	31	30	30	22
MV14	Pippbrook Council Offices, Dorking	517035	149805	15	16	16	14	16
MV15	Square About, Bookham	513483	154600	21	24	47	22	19
MV16	Cobham Road, Fetcham	514677	156557	21	24	21	21	17
MV17	Leret Road, Leatherhead	516763	156563	23	21	22	17	20
MV18	Deepdene Roundabout	517241	149847	32	34	33	35	34
MV19	Lowfield Heath Road	524909	140231	15	19	18	18	14

n/d – no data collected

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