Pollution Episodes

Details of major pollution episodes including peak values recorded across Ealing Council.

Please select an episode to view from the list below:

Guy Fawkes night 2020 Moderate and High PM10 PM2.5 Nov 2020 Moderate O3, PM10 and PM2.5 September 2020 O3 and PM10 August 2020 O3 Mod and High August 2020 Ozone and PM10 Mid August 2020 Mod High O3 and Mod PM10 August 2020 Widespread O3 mod high June 2020 O3 Moderate early May 2020 Moderate PM10, PM2.5 and O3 mid-April 2020 PM2.5 and O3 Moderate late March 2020 PM10 and PM2.5 Mod Jan 2020 New Year Fireworks 2019 PM10 and NO2 Dec 2019 Diwali Fireworks 2019 Moderate Ozone 24th to 27th Aug 2019 Moderate Ozone July 2019 Mod High PM10 PM2.5 April 25 2019 Mod High PM10 and PM2.5 15th - 22nd April 2019 Moderate PM10 and PM2.5 7th April 2019 Moderate PM10 and PM2.5 March 2019 Moderate PM10 and PM2.5 Particulate Feb 2019 Moderate PM10 and PM2.5 Jan 2019 PM10 and PM2.5 End November 2018 High ozone, June and July 2018 Prolonged Ozone episode summary 2018 Moderate PM10 PM25 early May 2018 Moderate and high particle pollution March 2018 PM10 and PM2.5 Moderate late February 2018 Guy Fawkes 2017 PM10, PM25 end September 2017 High ozone middle June 2017 Moderate Ozone June 2017 Moderate PM10 and PM2.5 April 2017 Moderate 27th and 28th March 2017 PM10 and PM25 moderate middle Feb17 PM10 mid January 2017 Moderate PM10, PM2.5, NO2 late Dec 2016 PM10 and NO2 end November 2016 Moderate PM10 and PM25 Oct 2016 Moderate PM10 end October 2016 Ozone Episode Mid September 2016 Ozone episode end August 2016 Ozone end July 2016 Ozone, PM10 and PM2.5 early May 2016 PM10 end March 2016 PM10, PM2.5 Middle March 2016 Winter Smog Jan 2016 PM10 end December 2015 PM10 mid December 2015 High PM10 and PM25 Oct - Nov 2015 Moderate Nitrogen Dioxide late October 2015 Moderate Nitrogen Dioxide October 2015 Moderate PM10, PM2.5 Early October 2015 Moderate Ozone Early August 2015 Widespread Moderate Ozone 2015 PM10, PM25 Early April 2015 PM10 and PM2.5 middle of March 2015 PM10, PM25 middle February 2015 PM10, PM2.5 end January 2015 PM10, PM2.5 end November 2014 Moderate particulate late November 2014 PM10 particulate late October 2014 PM10 and PM2.5 Mid September 2014 PM10 and PM2.5 Early September 2014 Moderate Ozone Early May 2014 Moderate O3, NO2, PM10 Late April 2014 Widespread Moderate PM10 April 2014 High PM10 and PM2.5 Early April 2014 PM10 and PM2.5 Late March 2014 PM10 and PM2.5 mid March 2014 PM10 and PM2.5 early March 2014 Moderate PM10 and NO2 January 2014 PM10, PM2.5 mid December 2013 High Particulates Late Sept 2013 Moderate O3, PM10 and NO2 Sept 2013 Moderate Ozone and PM10, late Aug 2013 High ozone July 2013 Ozone episode July 2013 PM10 and PM2.5 early April 2013 Ozone episode Easter 2013 PM10, PM2.5 late March 2013 PM10 and PM2.5 Early March 2013 PM10, PM2.5 end of February 2013 PM10 and PM2.5 15-18 Feb 2013 PM10 and PM2.5 Mid February 2013 PM10, PM2.5 and NO2 mid January 2013 Wintertime Smog Mid December 2012 PM10, PM2.5 Mid November 2012 High PM10 and PM2.5 late October 2012 Ozone early August 2012 High Ozone 24th July 2012 PM10 and Ozone Mid May 2012 PM10, PM2.5 Late March 2012 PM10, PM2.5 Mid March 2012 PM10, PM2.5 Early March 2012 PM10, PM2.5 Early February 2012 PM10, PM2.5 Late January 2012 Winter smog mid January 2012 Wintertime smog November 2011 PM10 Nov 2011 (local and transboundary) PM10 Nov 2011 (Guy Fawkes) PM10 Diwali October 2011 October 2011 - Ozone sets new record Smog Mid April 2011 PM10 End March 2011 PM10 late March 2011 PM10 mid March 2011 PM10 Early March 2011 PM10 late February 2011 PM10 and NO2 mid November 2010 Guy Fawkes and Diwali events 2010 PM10 October 2010 PM10 February 2010 PM10 and NO2 January 2010 Large Fire in Peckham 26th Nov 2009 PM10 Nov 2009 (Guy Fawkes) Moderate Ozone Late June and July 2009 PM10 particulate and NO2 Jan 2009 Calm Weather Smog Early Jan 2009 Diwali and Guy Fawkes Oct 2008 Nitrogen dioxide and PM10 Oct 2008 Widespread moderate ozone April 2008 Calm Weather Smog Feb 2008 Moderate PM10 and NO2 Mid Feb 2008 Saharan Dust January 2008 NO2 and PM10 late December 2007 NO2 and PM10 early December 2007 PM10 and NO2 November 2007 PM10 Nov 2007 (Bonfire Night) PM10 March 2007 Dust from road gritting February 2007 PM10 on Bonfire weekend 2006 PM10 mid October 2006 PM10 mid September 2006 Ozone, PM10 and NO2, late July 2006 ozone Mid July 2006 Two large fires in London 2006 Ozone Early July 2006 Ozone Mid June 2006 Ozone Early June 2006 Ozone Early May 2006 Calm Weather Smog March 2006 Calm Weather Smog Mid Feb 2006 Calm Weather Smog Early Feb 2006 Calm Weather Smog Jan 2006 Buncefield Oil Fire, Dec 2005 Calm Weather Smog late November 2005 PM10 Nov 2005 (Bonfire Night) PM10 and SO2 October 2005 Smog June 2005 Ozone May 2005 Calm Weather Smog Feb 2005 Calm Weather Smog Early December 2004 Calm Weather Smog Late Nov 2004 PM10 Nov 2004 (Bonfire Night) PM10 Nov 2003 (Bonfire Night) Ozone PM10 and SO2 Aug 2003 Ozone, PM10 and SO2 Jul 2003 Easter Weekend Smog Apr 2003 Prolonged Smog Late Mar 2003 Calm weather smog Late Feb 2003 Calm weather smog Early Feb 2003 PM10 Nov 2002 (Bonfire Night) PM10 Oct 2002 Ozone July 2002 Weekend PM10 May 2002

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