Overview
Vacaville-Ulatis Drive is an operational air monitoring station in Vacaville, California, operated under the California Air Resources Board. It provides ambient air quality data for Solano County.
Vacaville-Ulatis Drive is an air monitoring station located at 2012 Ulatis Drive in Vacaville, California. Operated under the California Air Resources Board (CARB), this station is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters to ensure compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is September 30, 2025, indicating ongoing data collection. As a fixed-site monitor, it contributes to the spatial representativeness of air quality measurements in the region. CARB's network includes stations that measure pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and carbon monoxide, though specific parameters for this site are not detailed. Vacaville-Ulis Drive serves the community by providing essential data for public health advisories and regulatory compliance. Its location in Solano County, part of the Sacramento Valley air basin, helps track pollution transport from nearby urban and agricultural sources. The station supports local and state efforts to improve air quality and protect residents.
Environmental context
Vacaville is situated in Solano County within the Sacramento Valley air basin, which experiences elevated ozone levels during summer due to photochemical reactions. The region also faces particulate matter challenges from wildfires and agricultural activities. Air monitoring stations like Vacaville-Ulatis Drive are critical for tracking these pollutants, informing health advisories, and supporting state implementation plans for NAAQS compliance. The California Air Resources Board operates a dense network to meet EPA requirements and provide real-time data to the public.
Frequently asked questions
The station is located at 2012 Ulatis Drive in Vacaville, California, within Solano County.
The station is operated by the California Air Resources Board (CARB), a state agency responsible for air quality management.
Typical CARB stations monitor criteria pollutants such as ozone, particulate matter (PM2.5, PM10), nitrogen dioxide, and carbon monoxide, as part of the EPA AQS network.
The station provides data used by CARB and EPA to assess compliance with National Ambient Air Quality Standards (NAAQS) and to inform public health advisories.
Air monitoring in the US is governed by the Clean Air Act, with the EPA setting NAAQS and requiring state networks like CARB's to monitor criteria pollutants. Data is reported through the Air Quality System (AQS).
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