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LAQN Monitoring Sites
Broxbourne (Roadside) (Level 3)
Hertsmere - Borehamwood (Level 2)
Watford (Roadside) (Level 7)
Watford - Watford Town Hall (Level 3)
Enfield - Church Street (Level 3)
Hertsmere Bwood 1 (Background) (closed)
Enfield - Bushhill Park (Level 1)
Enfield - Salisbury School (Level 7)
Three Rivers - Rickmansworth (Level 2)
Brentwood - Brentwood Town Hall (Level 1)
Waltham Forest - Chingford (Level 3)
Enfield - Derby Road (Level 3)
Harrow - Stanmore (Level 2)
Barnet - Tally Ho Corner (Level 3)
Enfield - Bowes Primary School (Level 3)
Havering - Harold Hill (closed)
Haringey - Bounds Green (closed)
Waltham Forest - Crooked Billet (closed)
Barnet - Strawberry Vale  (closed)
Haringey - Haringey Town Hall (Level 3)
Redbridge - South Woodford (Level 3)
Redbridge - Fullwell Cross (Level 3)
Barnet - Finchley (Level 3)
Brent - Kingsbury (Level 7)
Harrow - Pinner Road (Level 2)
Haringey - Priory Park (Level 7)
Redbridge - Gardner Close (Level 3)
Havering - Romford (Level 2)
Redbridge - Perth Terrace (Level 7)
Barking and Dagenham - Rush Green (no data)
Waltham Forest - Mobile (closed)
Waltham Forest - Dawlish Road (Level 3)
Redbridge - Ilford Broadway (closed)
Islington - Foxham Gardens (Level 3)
Hackney - Clapton (Level 2)
Islington - Arsenal (closed)
Waltham Forest - Leyton (closed)
Brent - Ikea Car Park (closed)
Islington - Holloway Road (Level 3)
Brent - Ikea (Level 4)
Brent - Neasden Lane (Level 10)
Hillingdon - South Ruislip (Level 3)
Camden - Swiss Cottage (Level 3)
Barking and Dagenham - North Street (closed)
Ealing - Greenford (closed)
Islington - Upper Street (Level 3)
Newham - Cam Road (Level 8)
Brent - John Keble Primary School (closed)
Brent - Harlesden (Level 3)
Brent - St Marys Primary School (closed)
Barking and Dagenham - Scrattons Farm (Level 3)
Islington - Duncan Terrace (closed)
Hammersmith and Fulham - Scrubs Lane (closed)
Ealing - Hanger Lane Gyratory (Level 3)
Tower Hamlets - Bethnal Green (Level 3)
Marylebone Rd - Baker St Kerbside (no data)
Hackney - Old Street (Level 6)
Havering - Rainham (Level 1)
Westminster - Marylebone Road FDMS (no data)
Tower Hamlets - Mile End Road (closed)
Tower Hamlets - Mile End Road (Level 2)
Westminster - Marylebone Road (Level 5)
Camden - Bloomsbury (Level 6)
Hillingdon - Hillingdon Hospital (Level 3)
Ealing - Western Avenue (closed)
Ealing - Court Way (closed)
Camden - St Martins College (NOX 2) (closed)
City of London - Beech Street (Level 5)
Kensington and Chelsea - North Ken (Level 7)
Kensington and Chelsea - North Ken FDMS (Level 2)
Camden - St Martins College (NOX 1) (closed)
Tower Hamlets - Blackwall (closed)
Newham - Tant Avenue (closed)
Newham - Wren Close (Level 7)
Ealing - Horn Lane (Level 10)
Camden - Shaftesbury Avenue (Level 3)
City of London - Farringdon Street (Level 4)
City of London - Sir John Cass School (Level 3)
Bexley - Thamesmead (no data)
Westminster - Covent Garden (closed)
City of London - Senator House (Level 7)
City of London - Walbrook Wharf (closed)
Tower Hamlets - Poplar (Level 7)
Ealing - Ealing Town Hall (Level 6)
Westminster - Charing Cross Library (closed)
City of London - Upper Thames Street (closed)
Ealing - Southall (Level 1)
Ealing - Acton Town Hall (Level 4)
Ealing - Acton Town Hall FDMS (Level 3)
Westminster - Victoria Street (closed)
Hammersmith and Fulham - Brook Green (Level 3)
Kensington and Chelsea - Knightsbridge (Level 3)
Kensington and Chelsea - Cromwell Road (Level 3)
Westminster - Horseferry Road (Level 6)
Greenwich - Millennium Village (Level 2)
Bexley - Belvedere FDMS (no data)
Bexley - Belvedere (Level 3)
Kensington and Chelsea - Pembroke Road (Level 2)
Westminster - Bridge Place (closed)
Greenwich - A206 Burrage Grove (Level 3)
Hillingdon - Sipson Road (Level 7)
Hounslow - Brentford (closed)
Hounslow - Chiswick High Road (Level 3)
Southwark - Larcom Street (Level 3)
Greenwich - Plumstead High Street (Level 7)
Hammersmith and Fulham - Broadway (Level 3)
Kensington and Chelsea - Earls Court Rd (Level 3)
Greenwich - Woolwich Flyover (Level 7)
Lambeth - Vauxhall Cross (closed)
Lambeth - Bondway Interchange (Level 6)
Kensington and Chelsea - Kings Road (Level 3)
Greenwich - Trafalgar Road (Level 3)
Thurrock - Purfleet (Level 2)
Hillingdon - Harlington (Level 7)
Hounslow - Brentford (Level 3)
Bexley - Manor Road West Gravimetric (no data)
Bexley - Manor Road East Gravimetric (closed)
Thurrock - London Road (Grays) (Level 7)
Hounslow - Brentford (closed)
Southwark - Old Kent Road (closed)
Lewisham - Mercury Way (closed)
Bexley - Bedonwell  (closed)
Bexley - Erith (Level 9)
Thurrock - London Road (Purfleet) (closed)
Richmond - Castelnau (Level 3)
Hounslow - Cranford (Level 6)
Hillingdon - Oxford Avenue (Level 3)
Lewisham - New Cross (Level 2)
Hounslow - Heston Road (Level 3)
Heathrow Airport (Level 6)
Greenwich - Blackheath (Level 3)
Richmond - Barnes Wetlands (Level 6)
Bexley - Slade Green FDMS (closed)
Bexley - Slade Green (Level 7)
Bexley - Thames Road North FDMS (Level 4)
Bexley - Thames Road North (Level 6)
Lambeth - Brixton Road (Level 5)
Lambeth - Loughborough Junct (Level 3)
Wandsworth - Putney High Street Facade (closed)
Wandsworth - Putney High Street (closed)
Greenwich and Bexley - Falconwood FDMS (closed)
Greenwich and Bexley - Falconwood (Level 5)
Bexley - Thames Road South (Level 6)
Hounslow - Hatton Cross (Level 3)
Wandsworth - Town Hall (Level 6)
Greenwich - Westhorne Avenue (no data)
Greenwich - Eltham (Level 6)
Dartford Roadside 1 - St Clements (Level 3)
Wandsworth - Roehampton (closed)
Wandsworth - High Street (Level 3)
Wandsworth - Garratt Lane (no data)
Dartford Roadside 2 - Town Centre (Level 3)
Lewisham - Catford (Level 5)
Hounslow - Feltham (closed)
Lambeth - Christchurch Road (Level 2)
Dartford Roadside 3 - Bean Interchange (Level 4)
Lambeth - Streatham Green (closed)
Crystal Palace - Crystal Palace Parade (Level 3)
Wandsworth - Tooting (closed)
Richmond - National Physical Laboratory (Level 7)
Bromley - Rent Office (closed)
Kingston - Town Centre (closed)
Croydon - Norbury (Level 3)
Bromley - Harwood Avenue (Level 3)
Croydon - Thornton Heath (Level 7)
Richmond - Hampton Court Road  (closed)
Bromley - Tweedy Rd (closed)
Merton - Morden Civic Centre (closed)
Elmbridge - Hampton Court Parade (no data)
Sevenoaks 1 (closed)
Sutton - Beddington Lane (Level 4)
Sutton - Therapia Lane (closed)
Elmbridge - Walton High Street (no data)
Croydon - Euston Road (Level 1)
Sutton - Worcester Park (closed)
Sutton - North Cheam (closed)
Croydon - George Street (Level 3)
Kingston - Kingston Bypass A3 (Level 3)
Elmbridge - Bell Farm Hersham (no data)
Elmbridge - Esher High Street (Level 2)
Sutton - Robin Hood School (closed)
Sutton - Carshalton (Level 7)
Croydon - Purley Way (Level 2)
Sutton - Wallington (Level 3)
Kingston - Chessington (Level 7)
Bromley - Biggin Hill (Level 7)
Mole Valley - Lower Ashtead (closed)
Mole Valley - Leatherhead (closed)
Sevenoaks - Greatness Park (Level 7)
Sevenoaks - Bat and Ball (Level 3)

Peak air pollution levels recorded during episode

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How the bands are calculated
Episode ozone Mid July 2006
Location London
Pollutant(s) Ozone, some SO2
Dates 15/07/2006 to 22/07/2006
This map shows the peak readings recorded across the region during the episode you have selected. Note that you can see each daily bulletin using the archive on the bulletin tab, and can also see animations and text explanations (if available) by selecting a different map view.
Your selected monitoring site » Ealing - Western Avenue
Site opened on 19 Mar 2010: View the Government's health advice for this level of air pollution