Air Quality Alerts are available for most geographic areas in New England. Note that those areas in New England not covered by Air Quality Alerts do not generally experience unhealthy air quality.
Definition of disease. 1  1 obsolete : trouble. 2  2 : a condition of the living animal or plant body or of one of its parts that impairs normal functioning and is typically manifested by distinguishing signs and symptoms : sickness, malady infectious diseases a rare genetic disease heart disease.
Infectious disease: a disease caused by a pathogen that can be transmitted from one host organism to another. Non-infectious disease: a disease with a cause other than a pathogen, including genetic disorders (such as sickle cell anaemia) and lung cancer (linked to smoking and other environmental factors).