Staff in this program respond to citizen complaints, inspect sites and facilities, and enforce the environmental ordinances in the Chicago Municipal Code. The CMAQ program supports projects designed to reduce traffic congestion and improve air quality in urban areas that do not meet national air quality standards.The Federal Clean Air Act regulates building operations and equipment at the University of Chicago that contribute to air pollution. The Illinois EPA's vehicle emissions inspection program plays an important role in improving air quality and public health in Illinois. An AQI value under 50 is considered good air quality, meaning that it is safe for everyone to spend time outdoors without posing a risk to their health. Applicants: states, municipalities, air pollution control agencies, tribes, territories, and groups thereof. In the operation of a pollution control facility.