Norco Air Monitoring Station | Riverside County, California | SCAQMD Network

Norco is an operational air monitoring station located in Norco, Riverside County, California, United States. It is part of the extensive monitoring network managed by the South Coast Air Quality Management District (SCAQMD), which oversees air quality in the South Coast Air Basin. The station contributes to the US EPA's Air Quality System (AQS) network, providing data essential for regulatory compliance and public health protection. The station measures criteria pollutants such as ozone, particulate matter, nitrogen dioxide, and carbon monoxide, along with meteorological parameters like wind speed and direction. These measurements support the SCAQMD's efforts to attain and maintain National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is December 30, 2021, indicating recent operational activity within the network. As part of California's comprehensive air monitoring infrastructure, Norco plays a vital role in assessing local air quality trends and informing emission reduction strategies. The data collected helps protect public health in a region known for smog and particulate matter challenges, supporting community awareness and regulatory decision-making.

Norco is situated in Riverside County within the South Coast Air Basin, an area with historically high levels of ozone and particulate matter due to urban and industrial emissions, geography, and climate. The station's siting is representative of suburban exposure, capturing pollution from transportation and nearby sources. Its parameter coverage includes criteria pollutants and meteorology, enabling robust air quality assessments. Reporting continuity through the SCAQMD ensures consistent data for trend analysis and regulatory compliance under the Clean Air Act.