Air quality · PM2.5good
9.1 µg/m³
The available annual series averages 1.8× the WHO annual guideline of 5 µg/m³. The daily average exceeded 15 µg/m³ on 39 days.
The recent period is 79% higher than the preceding period.
Heemstede
Noord-Holland27.778 residents9,6 km²
2
sensors, 0,2/km²
Public summary
What the measurements in Heemstede show
The citizen sensor network in Heemstede, Noord-Holland, contains 2 sensors: an average of 0.2 per km². Projects including Luftdaten and Vuurwerk contribute measurements to this public network.
Noisemerkbaar
45.0 dB(A) nacht
The noise series is based on 1 sensor. The daytime average exceeded 55 dB on 12 of 264 measured days.
Building the report for Heemstede…
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.
