Air Quality in Katwijk aan Zee, Netherlands

Drizzle
13.9°C · 72.3% humidity
13.9°
Feels 13.9°
6
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
2 3am
6
7
6 6am
5
5
5 9am
3
3
3 12pm
5
5
5 3pm
5
5
5 6pm
5
5
5 9pm
3
3
3 12am
3
3
Station readings
2
6
7
CAMS model adj -22
25
25
27
27
27
27
27
25
25
25
27
27
27
27
27
27
27
27
27
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 2 stn

Katwijk aan Zee'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.

72.3%
Humidity
61.9 km/h
Wind WNW
1020.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
6
1.48 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Katwijk aan Zee?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.51.48 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
1.48
Median
1.12
Average
0.63
Low
1.61
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +4.7

What is the 7-day forecast for Katwijk aan Zee?

06-09
17.2° 13.1°
1.62 mm
06-10
21.1° 13.0°
1.0 mm
06-11
17.9° 15.4°
0.56 mm
06-12
14.7° 12.4°
0.44 mm
06-13
18.6° 12.0°
0.38 mm
06-14
18.9° 14.4°
0.31 mm
06-15
15.8° 13.6°
2.38 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Katwijk aan Zee?

8
netherlands-voorhout-linnaeuslaan
6.0 km 13.7°C 81.8% RH PM2.5: 1.8 µg/m³ PM10: 3.0 µg/m³
12
Willem de Zwijgerlaan, Leiden
8.4 km PM2.5: 2.9 µg/m³
–
netherlands-hof-van-scheveningen
15.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
35
Rebecquestraat, Den Haag
15.9 km PM2.5: 8.4 µg/m³
1
netherlands-laak-binckhorstlaan
15.9 km 14.0°C 80.2% RH PM2.5: 0.2 µg/m³ PM10: 0.5 µg/m³
–
Den Haag-Neherkade
16.6 km PM2.5: -0.7 µg/m³ PM10: 3.2 µg/m³
39
Schipholweg, Haarlem
24.9 km PM2.5: 9.4 µg/m³
24
Schipholweg, Haarlem
24.9 km PM2.5: 5.8 µg/m³
61
PNH Hoofddorp
25.6 km PM2.5: 16.9 µg/m³

What cities are near Katwijk aan Zee?

7 Noordwijk-Binnen 6 Oegstgeest 8 Wassenaar 6 Merenwijk 7 Leiden 7 Sassenheim 8 Voorschoten 6 Leiderdorp 12 Lisse 9 Scheveningen
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T04:12 UTC.