Before revision: Air quality and emissions production 564x564px|Comparison of Growth Areas and Emissions 1980-2015, US The six main pollutants monitored by the EPA that can have serious health consequences are particulate matter, ground-level ozone, lead, carbon monoxide, sulfur dioxide , and nitrogen dioxide.
After revision: Air quality and emissions production 564x564px|Comparison of Growth Areas and Emissions 1980-2015 US The six main pollutants monitored by the EPA that can have serious health consequences are particulate matter, ground-level ozone, lead, carbon monoxide, sulfur dioxide , and nitrogen dioxide.