11.0 µg/m³
The available annual series averages 2.2× the WHO annual guideline of 5 µg/m³. The daily average exceeded 15 µg/m³ on 58 days.
The recent period is 4% lower than the preceding period.
Sensorinventaris ophalen…
Zuid-Holland562.839 residents85,3 km²
The citizen sensor network in 's-Gravenhage, Zuid-Holland, contains 142 sensors: an average of 1.7 per km². Projects including Luftdaten and Palmes contribute measurements to this public network.
11.0 µg/m³
The available annual series averages 2.2× the WHO annual guideline of 5 µg/m³. The daily average exceeded 15 µg/m³ on 58 days.
The recent period is 4% lower than the preceding period.
47.8 dB(A) nacht
The noise series is based on 20 sensors. The daytime average exceeded 55 dB on 39 of 309 measured days.
did you know?Particulate matter (PM2.5) is roughly 30× thinner than a human hair. Small enough to reach deep into your lungs.