Rehrig (Exide) Air Monitoring Station, Vernon, California | Environmental Monitoring

Rehrig (Exide) is an air monitoring station located at 4010 E. 26th Street in Vernon, California, within Los Angeles County. Operated by the South Coast Air Quality Management District (SCAQMD), this station is part of the broader US EPA Air Quality System (AQS) network, which monitors ambient air quality across the United States. The station's last reported sample date is September 28, 2021, indicating ongoing data collection. As an air monitoring station, Rehrig (Exide) measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen oxides, in accordance with the National Ambient Air Quality Standards (NAAQS). The SCAQMD is responsible for air quality management in the South Coast Air Basin, which includes Los Angeles and surrounding areas. The station's siting follows EPA guidelines to ensure representativeness of local air quality, particularly in an industrial and urban setting. The Vernon area is a major industrial hub, with manufacturing, warehousing, and transportation activities contributing to local emissions. The Rehrig (Exide) station provides critical data for regulatory compliance, public health advisories, and air quality trend analysis. Its location near the former Exide battery recycling facility adds historical context, as past contamination issues have heightened community awareness of air quality. The station supports SCAQMD's efforts to reduce pollution and protect public health in the region.

The Vernon area is characterized by heavy industrial activity and proximity to major transportation corridors, leading to elevated levels of criteria pollutants such as PM2.5 and ozone. The South Coast Air Basin faces persistent air quality challenges due to geography and emissions, requiring dense monitoring networks. Rehrig (Exide) contributes to understanding local pollution gradients and supports regulatory actions under the Clean Air Act.