Air quality · PM2.5fair
10.3 µg/m³
The available annual series averages 2.1× the WHO annual guideline of 5 µg/m³. The daily average exceeded 15 µg/m³ on 71 days.
The recent period is 16% lower than the preceding period.
Purmerend
Noord-Holland93.992 residents96,2 km²
15
sensors, 0,2/km²
Public summary
What the measurements in Purmerend show
The citizen sensor network in Purmerend, Noord-Holland, contains 15 sensors: an average of 0.2 per km². Projects including Luftdaten and Scapeler contribute measurements to this public network.
Noise
Purmerend does not yet have a reliable municipality-wide noise series. MedeMeter is designed to make local noise patterns near homes visible.
Building the report for Purmerend…
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.
