Air Quality in Leiden, Netherlands

Windy
19.8°C · 61.5% humidity
19.8°
Feels 19.8°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
14 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
33 5am
38
48
29 8am
33
33
13 11am
13
13
13 2pm
33
33
33 5pm
33
33
33 8pm
33
33
33 11pm
33
33
33 2am
33
33
Station readings
33
38
48
25
CAMS model adj -21
54
54
54
54
54
54
34
34
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

46h · 7 stn

Leiden's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

61.5%
Humidity
80.9 km/h
Wind SW
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
6.9 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Leiden?

Temperature & Precipitation

PM2.5 Trend

46h · 7 stations
PM2.56.9 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (14 stations within 25 km)
6.9
Median
6.13
Average
0.55
Low
8.9
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +2.8

What is the 7-day forecast for Leiden?

08-03
22.6° 17.6°
08-04
18.4° 17.0°
1.13 mm
08-05
20.2° 16.8°
08-06
22.8° 18.4°
2.19 mm
08-07
29.9° 17.4°
3.19 mm
08-08
19.2° 14.4°
9.06 mm
08-09
19.4° 16.1°
0.81 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Leiden?

46
netherlands-voorhout-linnaeuslaan
6.8 km 16.1°C 77.7% RH PM2.5: 11.0 µg/m³ PM10: 12.1 µg/m³
60
netherlands-laak-binckhorstlaan
14.8 km 16.6°C 73.9% RH PM2.5: 16.4 µg/m³ PM10: 16.4 µg/m³
19
Amsterdamse Veerkade, Den Haag
15.2 km PM2.5: 4.6 µg/m³
37
Den Haag-Neherkade
16.0 km PM2.5: 8.8 µg/m³ PM10: 15.3 µg/m³
32
Rebecquestraat, Den Haag
16.6 km PM2.5: 7.7 µg/m³
32
netherlands-hof-van-scheveningen
17.4 km PM2.5: 7.7 µg/m³ PM10: 7.7 µg/m³
12
Oude Meije, Zegveld
23.7 km PM2.5: 2.9 µg/m³
16
PNH Hoofddorp
24.1 km PM2.5: 3.8 µg/m³
32
Oost Sidelinge A13, Rotterdam
24.8 km PM2.5: 7.7 µg/m³
12
Schipholweg, Haarlem
25.7 km PM2.5: 2.9 µg/m³

What cities are near Leiden?

29 Merenwijk 28 Leiderdorp 24 Oegstgeest 24 Voorschoten 23 Wassenaar 15 Sassenheim 20 Katwijk aan Zee 15 Noordwijk-Binnen 25 Benthuizen 24 Zoetermeer
Get AQI alerts for Leiden

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T06:23 UTC.