Overview
Red Hills is an operational air monitoring station in San Luis Obispo County, California, operated by the San Luis Obispo County APCD. It provides ambient air quality data as part of the US EPA Air Quality System network.
Red Hills is an air monitoring station located at 3601 Gillis Canyon Road in San Luis Obispo County, California, United States. Operated by the San Luis Obispo County Air Pollution Control District (APCD), this station contributes to the national ambient air quality monitoring network. As a fixed-site monitor, it plays a role in assessing regional air quality and compliance with federal standards. The station operates under the regulatory framework of the US EPA Air Quality System (AQS), which governs criteria pollutant monitoring across the country. Typical air monitoring stations in California measure pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and carbon monoxide. The station's last reported sample date is September 30, 2025, indicating ongoing data collection. The specific parameters measured at this site are not detailed, but the station is part of a network designed to characterize air quality in the region. Located in a rural area of San Luis Obispo County, Red Hills provides valuable data on background air quality and potential impacts from local sources such as agriculture and transportation. The station supports public health protection and regulatory compliance by supplying continuous air quality information to the community and state agencies. Its operation contributes to the broader understanding of air quality trends in California's Central Coast region.
Environmental context
The Red Hills air monitoring station is situated in a rural area of San Luis Obispo County, where air quality can be influenced by agricultural activities, wildfires, and long-range transport of pollutants. The station's siting is representative of regional background conditions, providing data that helps distinguish local sources from broader regional patterns. Monitoring in this area supports the California Air Resources Board and local APCD in assessing compliance with state and federal air quality standards, particularly for ozone and particulate matter.
Frequently asked questions
The Red Hills air monitoring station is located at 3601 Gillis Canyon Road in San Luis Obispo County, California, United States.
The Red Hills air monitoring station is operated by the San Luis Obispo County Air Pollution Control District (APCD).
While specific parameters are not detailed, typical air monitoring stations in California measure criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and carbon monoxide as part of the US EPA Air Quality System.
Air monitoring stations in the United States operate under the US EPA Air Quality System (AQS), which sets standards for criteria pollutants and ensures data quality and consistency across the national network.
Air monitoring in San Luis Obispo County helps track regional air quality, assess compliance with health-based standards, and inform public health advisories, especially given potential influences from agriculture, wildfires, and transportation.
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