Air quality in Cook County, Minnesota, United States of America today

Mr. Duck’s Air Quality Score

Good air today for Cook County, Minnesota, United States of America

⚠️ This website is currently under active development. Some data may be incomplete or temporarily inaccurate. For health-critical decisions, please verify information through official government or environmental sources.

Categories follow US EPA AQI breakpoints for PM (estimate from latest valid measurements; this project does not compute EPA NowCast/24-hour AQI yet).

This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.

Air quality today

The air quality today in Cook County, Minnesota is classified as Good. The primary pollutant identified is PM2.5 (fine particles). Measurements show a PM2.5 concentration of 2.6 µg/m³ based on one valid observation reported through OpenAQ.

Overall conditions are within the Good category, and no additional pollutants have been highlighted for today. This page is informational; for health guidance, use official sources such as EPA AirNow or WHO.

Latest sensor values

PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).

What the data includes

The current station data listed for this city is focused on particulate matter (PM). Only PM2.5 measurements are available, coming from a single monitoring location in Grand Portage. The recorded concentration is 2.6 µg/m³, and because there is just one observation the minimum, median and maximum values are all identical at 2.6 µg/m³. This reading was last updated on 2026-02-10 23:00 UTC, which falls within the “updated within 7 days” freshness category.

With only one row of data, coverage across pollutants is extremely limited; there are no additional stations or other contaminants reported for Cook County, Minnesota. The dataset provides a very recent snapshot but does not capture any variability over time or space, so conditions elsewhere in the county may differ from this single point measurement.

Learn more about sources and filtering: About the data.

Trusted references: WHO (Air pollution) · US EPA AirNow · European Environment Agency (Air)

Latest sensor values (bars)

PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).

Data notes

The data shown reflects a single valid measurement and was refreshed recently, with the latest update recorded on 2026‑02‑10 at 23:00 UTC; it is considered “Updated within 3 days.” This snapshot provides a momentary view of air quality in Cook County, Minnesota, and conditions can differ across neighborhoods and change throughout the day.

OpenAQ station rows