Salmon - Charles St. Air Monitoring Station, Salmon, Idaho | Environmental Monitoring

Salmon - Charles St. is an air monitoring station located at 618 North Saint Charles Street in Salmon, Idaho, United States. Operated by the Idaho Department of Health and Welfare-Environment Division, this station is part of the state's ambient air quality monitoring network. It serves the small community of Salmon and the surrounding Lemhi County area. The station operates under the regulatory framework of the U.S. Environmental Protection Agency's Air Quality System (AQS). As a state-operated monitoring site, it typically measures criteria pollutants such as ozone, particulate matter, or nitrogen dioxide, in accordance with EPA monitoring requirements. The station's last reported sample date is June 30, 2025, indicating ongoing data collection. Environmental monitoring in this rural Idaho location is important for assessing air quality impacts from local sources such as wood burning, agricultural activities, and transportation. The data collected supports public health protection and compliance with National Ambient Air Quality Standards (NAAQS). This station contributes to the broader network that informs air quality management decisions in the region.

The Salmon - Charles St. station is situated in a rural valley in central Idaho, where air quality can be influenced by seasonal wood burning for heating, agricultural burning, and occasional wildfire smoke. The monitoring site provides representative data for the local population and helps track compliance with EPA's NAAQS. Parameter coverage typically includes criteria pollutants, with siting designed to capture community-scale exposures.