Air quality · PM2.5fair
11.4 µg/m³
The available annual series averages 2.3× the WHO annual guideline of 5 µg/m³. The daily average exceeded 15 µg/m³ on 68 days.
The recent period is 3% lower than the preceding period.
Utrecht
Utrecht367.947 residents98,8 km²
372
sensors, 3,8/km²
Public summary
What the measurements in Utrecht show
The citizen sensor network in Utrecht, Utrecht, contains 372 sensors: an average of 3.8 per km². Projects including Luftdaten and Palmes contribute measurements to this public network.
Noisemerkbaar
50.1 dB(A) nacht
The noise series is based on 5 sensors. The daytime average exceeded 55 dB on 40 of 307 measured days.
Building the report for Utrecht…
We're reading the citizen sensors and making sense of the figures.
did you know?Particulate matter (PM2.5) is roughly 30× thinner than a human hair. Small enough to reach deep into your lungs.
