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The Impact of the
Clean Air Zone on
Air Quality in
Birmingham
NO
2
(µg/m
3
)
-50%
-40%
-30%
-20%
-10%
0%
10%
20%
Pre Covid Post Covid, Pre CAZ Post CAZ
De-Weathered NO2 Concentrations
St Chad's A4540 Roadside Lower Severn Street Colmore Row Ladywood
Thank you

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