Air Quality in the US: getting better? worse? staying the same?
The Clean Air Act mandates ongoing efforts to enhance air quality standards, requiring states to gather data from both urban and rural areas. It empowers the EPA to establish National Ambient Air Quality Standards aimed at safeguarding public health and welfare.
authorizes the EPA to establish the National Ambient Air Quality Standards (NAAQS) to protect public health and welfare
constant renewal of the process of standard of air quality
states submit information collected by monitors in both urban and rural settings
Air Quality in the US: getting better? worse? staying the same?
SO2-coal burning power plants
NO,NO2 combustion engines
CO2, H20- Clean combustion....Cars
Potentially getting worse
A link to opinion piece in the New York Times
A link to the EPA website talking about enforcement
EPA
monitoring systems
contingency measures
air quality monitoring
require certain large industrial facilities to install state-of-the-art air pollution regulators when they build new facilities.
emissions inventories: the accounting of the amount of pollutants in the atmosphere collected by many different state local and tribal air agency sources.