Willem de Zwijgerlaan, Leiden

Monitoring Station · Merenwijk, Netherlands
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 2am
33
33
33 5am
33
33
45 8am
45
45
45 11am
45
33
33 2pm
33
33
5pm
8pm
11pm
Station readings
20
CAMS model adj -21
54
54
54
54
54
54
66
66
66
66
66
54
54
54
54
PM2.54.8 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T05:56 UTC.