Overview
Humboldt Avenue is an air monitoring station in Minneapolis, Minnesota, operated by the Minnesota Pollution Control Agency. It provides ambient air quality data as part of the US EPA Air Quality System network.
Humboldt Avenue is an air monitoring station located at 4646 North Humboldt in Minneapolis, Hennepin County, Minnesota, United States. The station is part of the national ambient air quality monitoring network and is operated by the Minnesota Pollution Control Agency, Division of Air Quality. It contributes to the US EPA Air Quality System (AQS), which collects data on criteria pollutants and other parameters to assess compliance with National Ambient Air Quality Standards (NAAQS). The station is operational and reported a last sample date of June 30, 2025, indicating recent data collection. As an air monitoring station, it typically measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, though specific parameters measured at this site are not detailed. The station supports regulatory air quality management in the Minneapolis metropolitan area, which has a mix of urban, industrial, and transportation sources. Humboldt Avenue plays a role in the broader Minnesota air monitoring network, which includes stations in urban, suburban, and rural settings. Data from this station helps inform public health advisories, air quality index (AQI) reporting, and state implementation plans for meeting federal air quality standards. The station's location in a residential area provides representative sampling for population exposure assessment.
Environmental context
The Minneapolis metropolitan area experiences air quality challenges from vehicle emissions, industrial activities, and regional transport of pollutants. The Humboldt Avenue station is situated in a mixed residential and commercial area, providing representative data for urban background conditions. Monitoring in this region focuses on criteria pollutants like PM2.5 and ozone, which are influenced by seasonal weather patterns and local emission sources. The station's data supports the Minnesota Pollution Control Agency's efforts to maintain compliance with EPA standards and to track long-term air quality trends.
Frequently asked questions
The Humboldt Avenue air monitoring station is located at 4646 North Humboldt in Minneapolis, Hennepin County, Minnesota, United States.
The station is operated by the Minnesota Pollution Control Agency, Division of Air Quality, which is responsible for ambient air quality monitoring in the state.
The station provides data used to assess compliance with National Ambient Air Quality Standards (NAAQS), inform public health advisories, and support state implementation plans for air quality improvement.
Air monitoring in the US is governed by the Clean Air Act and implemented through the EPA Air Quality System (AQS) network, which sets standards for monitoring methods, quality assurance, and data reporting.
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