Air Quality in Leiden, Netherlands

Rain
8.1°C · 94.1% humidity
8.1°
Feels 4.0°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
64 7pm
66
32
10 10pm
36
36
36 1am
36
36
36 4am
36
36
36 7am
48
36
36 10am
36
36
48 1pm
48
48
48 4pm
61
61
Station readings
64
66
32
10
CAMS model adj +11
37
25
25
25
25
25
25
25
25
25
25
25
25
37
25
25
25
25
37
37
37
37
50
50
AD 728×90

PM2.5 Trend (24h)

26h · 2 stations
94.1%
Humidity
29.8 km/h
Wind NW
1013.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Leiden?

Temperature & Precipitation

PM2.56.43 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (4 stations within 25 km)
6.43
Median
7.07
Average
4.74
Low
10.7
High
PM2.5 µg/m³ · Model: 23.4 · Bias: +17.0

What is the 7-day forecast for Leiden?

04-09
10.1° 8.1°
16.13 mm
04-10
9.8° 5.8°
3.31 mm
04-11
8.8° 7.6°
2.69 mm
04-12
8.9° 6.6°
0.38 mm
04-13
10.7° 6.8°
1.31 mm
04-14
12.4° 6.0°
04-15
12.4° 5.9°
Both models agree Avg diff: 2.6°C

Where are air quality stations near Leiden?

52
Willem de Zwijgerlaan, Leiden
1.4 km
25
Willem de Zwijgerlaan, Leiden
1.4 km
10
netherlands-voorhout-linnaeuslaan
6.8 km 10.4°C 80.1% RH PM2.5: 2.3 µg/m³ PM10: 4.8 µg/m³
9
netherlands-laak-binckhorstlaan
14.8 km 12.6°C 71.5% RH PM2.5: 2.2 µg/m³ PM10: 5.1 µg/m³
34
Vogelaarsdreef, De Zilk
15.4 km
7
Den Haag-Neherkade
16.0 km PM2.5: 1.7 µg/m³ PM10: 17.2 µg/m³
26
Bleriotlaan, Den Haag
16.1 km
37
Rebecquestraat, Den Haag
16.6 km
–
netherlands-hof-van-scheveningen
17.4 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
14
PNH Oude Meer
23.3 km

What cities are near Leiden?

27 Merenwijk 27 Leiderdorp 27 Oegstgeest 36 Voorschoten 29 Wassenaar 27 Sassenheim 27 Katwijk aan Zee 27 Noordwijk-Binnen 43 Benthuizen 43 Zoetermeer

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:46 UTC.