LKI Air Quality

LKI Air Quality: Reported Unit, Observation Time, and Station Setting

Read LKI Air Quality with calibration, sensor type, and weather context attached to the reported observation.

LKI represents the Dutch air-quality index in the supported air-quality data and is reported using an index value. Read LKI air quality with recency, source, and local context attached to the observation. Read every value together with its station, timestamp, source, unit, and status; concentrations and composite indices answer different questions and should not be treated as interchangeable.

Open the live map All pollutants

3cities covered

3measuring stations

Understanding LKI in air quality

The LKI translates complex air measurements into a simple snapshot of overall air quality. It aggregates key pollutants commonly tracked in the Netherlands—such as nitrogen dioxide (NO₂), particulate matter (PM10 and PM2.5), and ozone (O₃)—to provide a single, intuitive indicator. The index helps residents quickly understand whether conditions are generally good, moderate, or poor, and whether sensitive groups should take precautions. Because it reflects fresh readings from official monitoring stations, the LKI can change throughout the day as weather patterns, traffic, and regional transport of pollutants shift. It’s a practical starting point for decisions about commuting, exercise, or outdoor activities, and it links directly to detailed station and component views for those who want deeper insight.

Where does LKI come from?

The LKI is derived from real-time measurements collected by official air monitoring stations across the Netherlands. These readings include multiple pollutants such as nitrogen dioxide, particulate matter, and ozone, which are combined through a standardized calculation method to produce one unified score. By translating complex scientific data into a clear index, the LKI allows citizens and policymakers to easily compare air quality across regions and over time.

Health effects of LKI

Health implications depend on the current LKI category. Higher categories can irritate the airways, trigger asthma symptoms, and increase risk for people with heart or lung conditions, children, and older adults.

- Irritated eyes, nose, throat

- Coughing or shortness of breath

- Worsening of asthma symptoms

- Reduced exercise tolerance

- Increased risk for sensitive groups

Environmental effects of LKI

While the LKI itself is an indicator, the pollutants behind it can reduce visibility, stress plants, and degrade ecosystems. Persistently elevated levels are linked to smog episodes and broader environmental damage.

- Smog and haze formation

- Reduced visibility

- Stress on vegetation

- Soil and water acidification risk

- Ecosystem imbalance

Where LKI Is Measured

Every Dutch city with stations tracking LKI, ranked by coverage. Open a city for its live readings and history.

#1Bernheze1 station #2Rotterdam1 station #3Schouwen-Duiveland1 station

Other Pollutants

What NO₂, ozone and fine dust actually are, where they come from, and at what concentration each one moves from good to bad on the official Dutch scale.

NO₂

Nitrogen dioxide

Nitrogen dioxide (NO₂) is a traffic-related gas that often spikes in busy urban areas. It’s a major contributor to smog and can affect both lungs and overall health.

Learn about NO2

PM₁₀

Particulate matter

PM10 particles are coarse dust and soot small enough to be inhaled into the upper airways. They often come from traffic, construction, and natural sources like dust storms.

Learn about PM10

PM₂.₅

Fine particles

PM2.5 particles are fine pollutants that penetrate deep into the lungs and bloodstream. They are among the most harmful pollutants, mainly from combustion and chemical reactions in the air.

Learn about PM2.5

O₃

Ozone

Ground-level ozone (O₃) is a secondary pollutant formed on sunny days from traffic and industrial gases. It irritates the lungs and damages plants, making it a key driver of summer smog.

Learn about O3

Dutch and EU Air Quality Context

All air quality information on Luntero comes from Luchtmeetnet, the official Dutch air monitoring network operated under national and EU standards. This ensures that every measurement—whether for NO₂, PM, O₃, or the LKI index—is consistent, transparent, and comparable across the Netherlands and other European countries.

View Luchtmeetnet data source

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