LAQN Monitoring Statistics
Redbridge - South Woodford - (Site closed)
Haringey - Priory Park - (Site closed)
Haringey - Priory Park South - (Site closed)
Redbridge - Gardner Close (Exceeded)
Waltham Forest - Mobile - (Site closed)
Waltham Forest - Dawlish Road - (Site closed)
Islington - Foxham Gardens - (Site closed)
Hackney - Clapton - (Site closed)
Islington - Arsenal (Achieved)
Waltham Forest - Leyton - (Site closed)
Islington - Holloway Road (Exceeded)
Tower Hamlets - Victoria Park - (Site closed)
Islington - Upper Street - (Site closed)
Newham - Cam Road (Exceeded)
Islington - Duncan Terrace - (Site closed)
Tower Hamlets - Bethnal Green - (Site closed)
Camden - Euston Road (Exceeded)
Hackney - Old Street (Exceeded)
Westminster - Marylebone Road FDMS (No Data)
Tower Hamlets - Mile End Road (Exceeded)
Marylebone Road - WIBS - (Site closed)
Westminster - Marylebone Road (Exceeded)
Camden - Bloomsbury (Exceeded)
City of London - Beech Street (Exceeded)
Camden - St Martins College (NOX 2) - (Site closed)
Camden - St Martins College (NOX 1) - (Site closed)
Newham - Tant Avenue - (Site closed)
Tower Hamlets - Blackwall (Exceeded)
Newham - Wren Close (Exceeded)
Camden - Shaftesbury Avenue (Exceeded)
City of London - Farringdon Street (No Data)
City of London - Sir John Cass School (Exceeded)
Westminster - Oxford Street (No Data)
Westminster - Covent Garden - (Site closed)
City of London - Senator House (No Data)
Tower Hamlets - Poplar (Exceeded)
City of London - Walbrook Wharf (Exceeded)
Westminster - Charing Cross Library - (Site closed)
City of London - Upper Thames Street (Exceeded)


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What are the AQS Objectives
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Your selected monitoring site » Hackney - Old Street
The table below shows whether pollution levels recorded at the site you have selected remained within the Government's Air Quality Strategy Objectives in 2012. For further basic statistics click on the button below, or for more precise statistics, use the Statistics Calculator.
Pollutant Objective Was it achieved? Value
PM10 Particulate 40 ug/m3 as an annual mean YES 28
PM10 Particulate 50 ug/m3 as a 24 hour mean, not to be exceeded more than 35 times a year YES 17
PM10 (redundant method) 40 ug/m3 as an annual mean YES 30
PM10 (redundant method) 50 ug/m3 as a 24 hour mean, not to be exceeded more than 35 times a year YES 18
Ozone 100 ug/m3 as an 8 hour mean, not to be exceeded more than 10 times a year YES 3
Nitrogen Dioxide 200 ug/m3 as a 1 hour mean, not to be exceeded more than 18 times a year YES 0
Nitrogen Dioxide 40 ug/m3 as an annual mean NO 63
* Note that results are excluded where analysers have not returned valid data for at least 90% of the year, unless a short-term objective was exceeded.
* Note - all results from TEOM PM10 analysers from 2004 onward are now converted to reference equiavlence using the volatile correction method. Results using the old 'TEOM*1.3' method are also shown for comparison where relevant. More information.
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