Local Authority Details

CSV data files for Harwell monitoring site

Listed below are links to CSV data files for Harwell. These files contain one year's automatic monitoring data and are updated daily. There are two formats to the files, firstly a file containing all pollutants measured at the site for each year followed by pollutant specific data files grouped by monitoring network.

To get the very latest data for Harwell use the Data Selector.

All Hourly Pollutant Data for site Harwell (Column Format)
2025 (CSV)	2024 (CSV)	2023 (CSV)	2022 (CSV)	2021 (CSV)	2020 (CSV)	2019 (CSV)	2018 (CSV)
2017 (CSV)	2016 (CSV)	2015 (CSV)	2014 (CSV)	2013 (CSV)	2012 (CSV)	2011 (CSV)	2010 (CSV)
2009 (CSV)	2008 (CSV)	2007 (CSV)	2006 (CSV)	2005 (CSV)	2004 (CSV)	2003 (CSV)	2002 (CSV)
2001 (CSV)	2000 (CSV)	1999 (CSV)	1998 (CSV)	1997 (CSV)	1996 (CSV)	1995 (CSV)	1994 (CSV)
1993 (CSV)	1992 (CSV)	1991 (CSV)	1990 (CSV)	1989 (CSV)	1988 (CSV)	1987 (CSV)	1986 (CSV)
1985 (CSV)	1984 (CSV)	1983 (CSV)	1982 (CSV)	1981 (CSV)	1980 (CSV)	1979 (CSV)	1978 (CSV)
1977 (CSV)	1976 (CSV)

15 minute SO₂ data for site Harwell
2015 (Column format) (CSV) 2015 (Table format) (CSV)	2014 (Column format) (CSV) 2014 (Table format) (CSV)	2013 (Column format) (CSV) 2013 (Table format) (CSV)	2012 (Column format) (CSV) 2012 (Table format) (CSV)
2011 (Column format) (CSV) 2011 (Table format) (CSV)	2010 (Column format) (CSV) 2010 (Table format) (CSV)	2009 (Column format) (CSV) 2009 (Table format) (CSV)	2008 (Column format) (CSV) 2008 (Table format) (CSV)
2007 (Column format) (CSV) 2007 (Table format) (CSV)	2006 (Column format) (CSV) 2006 (Table format) (CSV)	2005 (Column format) (CSV) 2005 (Table format) (CSV)	2004 (Column format) (CSV) 2004 (Table format) (CSV)
2003 (Column format) (CSV) 2003 (Table format) (CSV)	2002 (Column format) (CSV) 2002 (Table format) (CSV)	2001 (Column format) (CSV) 2001 (Table format) (CSV)	2000 (Column format) (CSV) 2000 (Table format) (CSV)
1999 (Column format) (CSV) 1999 (Table format) (CSV)	1998 (Column format) (CSV) 1998 (Table format) (CSV)	1997 (Column format) (CSV) 1997 (Table format) (CSV)	1996 (Column format) (CSV) 1996 (Table format) (CSV)
1995 (Column format) (CSV) 1995 (Table format) (CSV)

Hourly Pollutant Files for Site Harwell in Automatic Rural Monitoring Network (in 24x365 Table Format)
Ozone	Nitric oxide	Nitrogen dioxide	Nitrogen oxides as nitrogen dioxide	Sulphur dioxide	PM₁₀ particulate matter (Hourly measured)	Non-volatile PM₁₀ (Hourly measured)	Volatile PM₁₀ (Hourly measured)	PM_2.5 particulate matter (Hourly measured)	Non-volatile PM_2.5 (Hourly measured)	Volatile PM_2.5 (Hourly measured)
2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)
2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)
2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)
2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)
2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)
2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)
2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)
2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)			2008 (CSV)
2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)			2007 (CSV)
2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)			2006 (CSV)
2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)			2005 (CSV)
2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)			2004 (CSV)
2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)			2003 (CSV)
2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)			2002 (CSV)
2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)			2001 (CSV)
2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)			2000 (CSV)
1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)			1999 (CSV)
1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)			1998 (CSV)
1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)
1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)
1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)
1994 (CSV)
1993 (CSV)
1992 (CSV)
1991 (CSV)
1990 (CSV)
1989 (CSV)
1988 (CSV)
1987 (CSV)
1986 (CSV)
1985 (CSV)
1984 (CSV)
1983 (CSV)
1982 (CSV)
1981 (CSV)
1980 (CSV)
1979 (CSV)
1978 (CSV)
1977 (CSV)
1976 (CSV)

Hourly Pollutant Files for Site Harwell in Automatic Hydrocarbon Monitoring Network (in 24x365 Table Format)
ethane	ethene	ethyne	propane	propene	iso-butane	n-butane	1-butene	trans-2-butene	cis-2-butene	iso-pentane	n-pentane	1,3-butadiene	trans-2-pentene	1-pentene	cis-2-pentene (VOC-AIR only)	2-methylpentane	2+3-methylpentane (VOC-AIR only)	isoprene	n-hexane	n-heptane	iso-octane	n-octane	benzene	toluene	ethylbenzene	m+p-xylene	o-xylene	1,2,3-trimethylbenzene	1,2,4-trimethylbenzene	1,3,5-trimethylbenzene
2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)		2015 (CSV)		2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)
2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)		2014 (CSV)		2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)
2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)		2013 (CSV)		2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)
2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)		2012 (CSV)		2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)
2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)		2011 (CSV)		2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)
2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)		2010 (CSV)		2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)
2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)		2009 (CSV)		2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)
2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)		2008 (CSV)		2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)	2008 (CSV)
2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)		2007 (CSV)		2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)	2007 (CSV)
2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)					2006 (CSV)	2006 (CSV)	2006 (CSV)			2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)	2006 (CSV)
2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)					2005 (CSV)	2005 (CSV)	2005 (CSV)			2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)	2005 (CSV)
2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)					2004 (CSV)	2004 (CSV)	2004 (CSV)			2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)	2004 (CSV)
2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)					2003 (CSV)	2003 (CSV)	2003 (CSV)			2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)	2003 (CSV)
2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)					2002 (CSV)	2002 (CSV)	2002 (CSV)			2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)	2002 (CSV)
2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)		2001 (CSV)		2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)			2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)	2001 (CSV)
2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)		2000 (CSV)		2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)			2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)	2000 (CSV)
1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)		1999 (CSV)		1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)			1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)	1999 (CSV)
1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)		1998 (CSV)		1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)			1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)	1998 (CSV)
1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)		1997 (CSV)		1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)			1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)	1997 (CSV)
1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)		1996 (CSV)		1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)			1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)	1996 (CSV)
1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)		1995 (CSV)		1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)			1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)	1995 (CSV)

Hourly Pollutant Files for Site Harwell in UK Black Carbon Network (in 24x365 Table Format)
Black Carbon (880nm)	UV Particulate Matter (UV-BC)
2015 (CSV)	2015 (CSV)
2014 (CSV)	2014 (CSV)
2013 (CSV)	2013 (CSV)
2012 (CSV)	2012 (CSV)
2011 (CSV)	2011 (CSV)
2010 (CSV)	2010 (CSV)
2009 (CSV)	2009 (CSV)

Hourly Pollutant Files for Site Harwell in MARGA network (in 24x365 Table Format)
calcium in PM10	chloride in PM10	potassium in PM10	magnesium in PM10	sodium in PM10	ammonium in PM10	nitrate in PM10	sulphate in PM10	calcium in PM2.5	chloride in PM2.5	potassium in PM2.5	magnesium in PM2.5	sodium in PM2.5	ammonium in PM2.5	nitrate in PM2.5	sulphate in PM2.5	gaseous hydrochloric acid	gaseous nitrous acid	gaseous nitric acid	gaseous ammonia	gaseous sulphur dioxide
2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)	2015 (CSV)
2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)	2014 (CSV)
2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)	2013 (CSV)
2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)	2012 (CSV)
2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)	2011 (CSV)
2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)	2010 (CSV)
2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)	2009 (CSV)

Local Authority Details

CSV data files for Harwell monitoring site

Data Archive