Welcome to Clean Air Hamilton

Clean Air Hamilton is a multi-stakeholder agent of change dedicated to improving air quality in Hamilton’s community. The group is committed to improving citizens’ health and quality of life through communication and promotion of realistic, science-based decision-making and sustainable practices.

Formed in 1998, Clean Air Hamilton works to improve air quality in Hamilton by:

  • Initiating research on air quality;
  • Providing information and advice to all levels of government;
  • Encouraging emission reductions from all sources in Hamilton; and
  • Promoting behavioural changes amongst individuals living and working in Hamilton

Annual Report 2017



The Air Quality Health Index (AQHI) is a health protection tool that is designed to help you make decisions to protect your health by limiting short-term exposure to air pollution and adjusting your activity levels during increased levels of air pollution. To view the current AQHI for Hamilton, Ontario click the AQHI graphic below: