- Resources
- Air Quality
- Components
Air Components: Network Context, Nearby Monitors, and Health Guidance
Read Air Components with source, local context, and limits attached to the reported observation.
Select an available component such as nitrogen dioxide, particulate matter, ozone, or the Dutch air-quality index before interpreting measurements. Read Air Components with unit, time, and station attached to the observation. Open the component you encountered to understand its code, formula, unit, and measurement role, then find stations that represent it. Keep the source, station, component, unit, timestamp, and spatial limits attached to every observation.
The Pollutants Being Measured
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.
LKI
The Dutch Air Quality Index (LKI) gives a simple snapshot of overall air pollution levels. It combines key pollutants into one score to help you quickly understand today’s air quality.
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.
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.
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.
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.
How the Quality Scale Reads
Every reading on these pages is placed on the official five-band Dutch scale. The thresholds differ per pollutant; these are the NO₂ boundaries in µg/m³.
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.
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