Air Quality - IAPSCiapsc.org.uk/assets/document/0612_D_Kennett.pdf · 2018. 11. 27. · 450 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 Date) 2011 results (provisional)

Annual average NO2 levels in Putney October 2006 - September 2008

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2007/08

Roadside Background

Diffusion tube data 2007/08

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Air Pollution monitoring

Hourly nitrogen dioxide concentrations in Putney High Street (kerbside) 2010

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Hourly nitrogen dioxide concentrations in Putney High Street (facade) for year commencing 1

May 2010

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2011 results (provisional)

• Kerbside: 2755 exceedences of 1 hour mean

NO2 objective

• Roadside (vodafone): 1676 exceedences

• Background: 3 exceedences

• Fine particles - objectives are being met

(annual mean & daily mean)

Diffusion tube data 2011

128

115

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Putney High Street Kerbside, Sunday 14th August (Day of London-Surrey Cycle Classic pre-

Olympic race) compared with average for all Sundays

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Hour of day

Me

an N

O2

ug

m-3

Wandsworth 7 mean for all Sundays

Sunday 14th Aug

TRL Report, Emissions per vehicle

ANPR Camera locations

Methodology

• ANPR data formatted & matched to DVLA database

• Taxis, cars, LGVs, TfL buses, coaches & HGVs

• EURO class estimated on year of 1st reg.

• EFT used to determine NOx & PM emission rate for every vehicle passing cameras (based on Euro Class & recorded speed)

Actions

• January 2012 - Discussions with TfL

• March 2012 - Air Quality summit

• Tfl Response

– 2012 to 2013

– 2014

Actions

• GLA/ TfL/ WBC officer working group

– Reducing congestion

– Smoothing traffic flow

– Reducing NOx from non-traffic sources

Actions

• King’s College London, ERG research

project

– Long term ANPR

– Monitoring data

– Analysis before & after specific improvements

Conclusion

• Work in progress

• Will we meet the hourly objective???

• Working hard to achieve this

Contact details

David Kennett BSc (Hons) MSc

Team Leader (Environmental Initiatives)

Wandsworth Council

[email protected]