Green Valley Air Monitoring Station, Henderson, Nevada | US EPA AQS Network

Green Valley is an air monitoring station located at 298 Arroyo Grande in Henderson, Nevada, within Clark County. It is part of the US EPA Air Quality System (AQS) network, which supports compliance with the Clean Air Act and National Ambient Air Quality Standards (NAAQS). The station is operated by Clark County, NV DES, and its last reported sample date was September 30, 2023. The station operates under the regulatory framework of the US EPA, which mandates monitoring of criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. As part of the Clark County network, Green Valley likely provides data for urban air quality assessment in the Las Vegas Valley, a region with significant traffic and industrial emissions. The station's siting follows EPA guidelines for representativeness, ensuring data reflects population exposure. Environmental monitoring in Henderson supports public health by tracking pollutant levels and informing regulatory actions. The station's data contributes to regional air quality trends, helping to identify exceedances and guide emission reduction strategies. This facility plays a role in the broader Nevada air monitoring network, which is essential for maintaining compliance with federal standards and protecting community health.

Henderson, Nevada, is part of the Las Vegas Valley, a rapidly urbanizing area with challenges from vehicle emissions, dust, and occasional wildfire smoke. Air monitoring stations like Green Valley are critical for tracking criteria pollutants under the US EPA AQS network. The station's location in a residential area provides representative data for population exposure, supporting regulatory compliance and public health advisories.