Air quality in Groningen, Groningen, Netherlands today

Mr. Duck’s Air Quality Score

Moderate air today for Groningen, Groningen, Netherlands

⚠️ 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 in Groningen is currently classified as Moderate. The primary pollutant identified is PM2.5 (fine particles). Measurements show a PM2.5 reference value of 18.941 and a PM10 reference value of 19.79, based on ten valid observations collected through OpenAQ.

These figures reflect the present conditions without implying any trend or health implication. 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 dataset for Groningen includes five measured pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter ≤10 µm (PM₁₀) and particulate matter ≤2.5 µg (PM₂.₅). Data come from 11 individual rows collected at two monitoring stations, giving a modest but city‑wide snapshot of air quality.

All observations are recent: the latest update for every pollutant was recorded on 2026-02-10 at 21:00 UTC, and the freshness summary shows that eleven rows were logged within the past seven days, with none older than three days. This means the figures reflect current conditions rather than historic averages.

Across the pollutants the measured values show a fairly narrow spread. NO₂ ranges from a minimum of 17.3 µg/m³ to a maximum of 23.48 µg/m³, with a median of 17.46 µg/m³ and the 10th‑percentile at 17.33 µg/m³, indicating most readings cluster near the lower end of the range. PM₂.₅ values vary between 13.7568 µg/m³ and 18.941 µg/m³, with a median of 18.4706 µg/m³; the 90th‑percentile (18.85 µg/m³) is close to the maximum, suggesting occasional higher concentrations. NO spans from –0.04 µg/m³ up to 11.04 µg/m³, with a median of 5.5 µg/m³ and most readings between about 1.07 and 9.93 µg/m³ (10th‑ and 90th‑percentiles). O₃ is the most tightly grouped, ranging only from 13.36 to 15.34 µg/m³, median 14.35 µg/m³. PM₁₀ has a single reported value of 19.79 µg/m³ at the Europaweg site.

Because the data come from just two stations, spatial variation within Groningen is not fully captured; conditions can differ across neighborhoods and times of day even though the timestamps are all recent.

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 for Groningen are based on ten valid measurements and have been refreshed recently, with the latest update recorded at 2026‑02‑10T21:00:00+00:00 (Updated within 3 days). This snapshot reflects conditions at the time of sampling; air quality can vary across different neighbourhoods and moments throughout the city.

OpenAQ station rows