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Description
The Air Quality System (AQS) is a comprehensive database maintained by the U.S. Environmental Protection Agency (EPA) that contains ambient air pollution data collected from thousands of monitoring stations across the United States. It includes measurements of criteria pollutants, hazardous air pollutants, and meteorological data, supporting regulatory compliance, air quality research, and public health assessments.
Surveys (45)
Air Quality Index (AQI) 2024
New
Air Quality Index (AQI) 2023
Air Quality Index (AQI) 2022
Air Quality Index (AQI) 2021
Air Quality Index (AQI) 2020
Air Quality Index (AQI) 2019
Air Quality Index (AQI) 2018
Air Quality Index (AQI) 2017
Air Quality Index (AQI) 2016
Air Quality Index (AQI) 2015
Air Quality Index (AQI) 2014
Air Quality Index (AQI) 2013
Air Quality Index (AQI) 2012
Air Quality Index (AQI) 2011
Air Quality Index (AQI) 2010
Air Quality Index (AQI) 2009
Air Quality Index (AQI) 2008
Air Quality Index (AQI) 2007
Air Quality Index (AQI) 2006
Air Quality Index (AQI) 2005
Air Quality Index (AQI) 2004
Air Quality Index (AQI) 2003
Air Quality Index (AQI) 2002
Air Quality Index (AQI) 2001
Air Quality Index (AQI) 2000
Air Quality Index (AQI) 1999
Air Quality Index (AQI) 1998
Air Quality Index (AQI) 1997
Air Quality Index (AQI) 1996
Air Quality Index (AQI) 1995
Air Quality Index (AQI) 1994
Air Quality Index (AQI) 1993
Air Quality Index (AQI) 1992
Air Quality Index (AQI) 1991
Air Quality Index (AQI) 1990
Air Quality Index (AQI) 1989
Air Quality Index (AQI) 1988
Air Quality Index (AQI) 1987
Air Quality Index (AQI) 1986
Air Quality Index (AQI) 1985
Air Quality Index (AQI) 1984
Air Quality Index (AQI) 1983
Air Quality Index (AQI) 1982
Air Quality Index (AQI) 1981
Air Quality Index (AQI) 1980