Historical Data By Year

Data by Year

• 2024 Air Quality Data Tables (PDF, 228kb)

• 2023 Air Quality Data Tables (PDF, 457kb)

• 2022 Air Quality Data Tables (PDF, 230kb)

• 2021 Air Quality Data Tables (PDF, 434kb) 

• 2020 Air Quality Data Tables (PDF, 236kb) 

• 2019 Air Quality Data Tables (PDF, 325kb) 

• 2018 Air Quality Data Tables (PDF, 433kb)

• 2017 Air Quality Data Tables (PDF, 412kb)

• 2016 Air Quality Data Tables (PDF, 160kb)

• 2015 Air Quality Data Tables (PDF, 140kb)

• 2014 Air Quality Data Tables (PDF, 35kb)

• 2013 Air Quality Data Tables (PDF, 124kb)

• 2012 Air Quality Data Tables (PDF, 82kb)

• 2011 Air Quality Data Tables (PDF, 155kb)

• 2010 Air Quality Data Tables (PDF, 161kb)

• 2009 Air Quality Data Tables (PDF, 133kb)

• 2008 Air Quality Data Tables (PDF, 143kb)

• 2007 Air Quality Data Tables (PDF, 85kb)

• 2006 Air Quality Data Tables (PDF, 73kb)

• 2006 Air Quality and Trends (PDF, 689kb)

• 2005 Air Quality Data Tables (PDF, 74kb)

• 2004 Air Quality Data Tables (PDF, 73kb)

• 2003 Air Quality Data Tables (PDF, 75kb)

• 2002 Air Quality Data Tables (PDF, 71kb)

• 2002 Air Quality and Trends (PDF, 1.34MB)

• 2001 Air Quality Data Tables (PDF, 900kb)

• 2001 Air Quality and Trends (PDF, 1MB)

• 2000 Air Quality Data Tables (PDF, 41kb)

• 2000 Air Quality and Trends (PDF, 2.54MB)

• Map of Monitoring Areas (PDF, 365kb)