Air quality · PM2.5fair
16.1 µg/m³
The available annual series averages 3.2× the WHO annual guideline of 5 µg/m³. The daily average exceeded 15 µg/m³ on 134 days.
The recent period is 6% lower than the preceding period.
Amersfoort
Utrecht160.759 residents63,6 km²
230
sensors, 3,6/km²
Public summary
What the measurements in Amersfoort show
The citizen sensor network in Amersfoort, Utrecht, contains 230 sensors: an average of 3.6 per km². Projects including Luftdaten and Meetjestad contribute measurements to this public network.
Noisemerkbaar
40.8 dB(A) nacht
The noise series is based on 3 sensors. The daytime average exceeded 55 dB on 4 of 307 measured days.
Building the report for Amersfoort…
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.
