Page 20 - Swale AQMA Feasibility Study April 2020_

AQMA Feasibility Assessment
A2 – Keycol Hill and Key Street, Swale

R22 London Road 20.8

R23 London Road 20.6

Note: Bold denotes exceedance of the annual mean AQS. Underline denotes indicative
exceedance of the 24 hour AQS.

4.7 The data in Table 4.2 show that annual mean concentrations of PM10 are well
below the annual mean AQS in all modelled scenarios. The highest
-3
concentration of 25.3μg.m was recorded at Receptor R8, 36.7% below the
AQS.

Particulate Matter (PM2.5)

4.8 Modelled results for PM2.5 in (2018)are presented in Table 4.3

Table 4.3: Predicted annual mean concentrations of PM2.5 at the receptor
points (2018)

Annual Mean PM 2.5
Receptor Location
-3
Concentrations (μg.m )

R1 Keycol Hill 11.1

R2 Keycol Hill 12.3

R3 Keycol Hill 12.5

R4 Keycol Hill 12.4

R5 Keycol Hill 11.9

R6 Keycol Hill 11.8

R7 Keycol Hill 12.7

R8 Keycol Hill 16.1

R9 Keycol Hill 12.8

R10 Keycol Hill 12.4

R11 Keycol Hill 12.0

R12 Keycol Hill 14.2

R13 Keycol Hill 13.8

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