Overview
Western Conn State Univ is an air monitoring station in Danbury, Connecticut, operated by the Connecticut Department of Environmental Protection. It provides ambient air quality data as part of the US EPA Air Quality System network.
Western Conn State Univ is an air monitoring station located on a parking garage roof at White St and 8th Ave in Danbury, Connecticut. The station is operated by the Connecticut Department of Environmental Protection and is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters across the United States. The station collects ambient air samples to assess local air quality, supporting compliance with the National Ambient Air Quality Standards (NAAQS) established under the Clean Air Act. As a monitoring site in Fairfield County, it contributes to regional air quality assessments and helps track pollution trends in southwestern Connecticut, an area influenced by urban and suburban emissions. Environmental monitoring at this station provides critical data for public health protection and regulatory decision-making. The data supports air quality index reporting, helps identify pollution sources, and informs community exposure assessments. Continuous operation ensures long-term trend analysis and maintains the integrity of the national monitoring network.
Environmental context
Danbury is located in Fairfield County, Connecticut, within the New York metropolitan area. The region experiences a mix of urban, suburban, and industrial emissions, including vehicle traffic, heating, and manufacturing. Air monitoring stations like Western Conn State Univ measure criteria pollutants such as ozone, particulate matter, and nitrogen dioxide to assess compliance with NAAQS. The station's rooftop siting provides representative sampling of local ambient air, contributing to the regional air quality monitoring network.
Frequently asked questions
The station is located on the roof of a parking garage at White Street and 8th Avenue in Danbury, Connecticut, United States.
The station is operated by the Connecticut Department of Environmental Protection (CT DEP).
As part of the US EPA Air Quality System, the station typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, depending on the specific monitoring objectives.
Data from this station helps the Connecticut Department of Environmental Protection assess compliance with National Ambient Air Quality Standards (NAAQS), issue air quality alerts, and develop strategies to reduce pollution in the region.
The AQS is a national database that stores ambient air quality data collected by state, local, and tribal agencies. It supports regulatory compliance, research, and public reporting of air quality conditions across the United States.
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