Air Quality in Katwijk aan Zee, Netherlands

Partly Cloudy
15.2°C · 56.2% humidity
15.2°
Feels 15.2°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 6pm
17
5
19 9pm
17
15
14 12am
13
13
5 3am
5
5
11 6am
11
11
11 9am
11
11
4 12pm
4
4
31 3pm
11
11
Station readings
13
17
5
30
CAMS model adj -23
34
54
54
34
34
34
34
34
34
27
27
27
34
34
34
34
34
34
27
27
27
54
34
34
AD 728×90

Air Quality Index Trend

47h · 3 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.

56.2%
Humidity
38.6 km/h
Wind NNW
1029.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
19
4.52 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Katwijk aan Zee?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.54.52 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (10 stations within 25 km)
4.52
Median
5.3
Average
0.1
Low
8.69
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +2.5

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

09-05
16.8° 14.4°
0.63 mm
09-06
19.1° 16.4°
1.56 mm
09-07
17.3° 14.6°
4.75 mm
09-08
20.4° 15.9°
13.69 mm
09-09
18.1° 13.2°
6.31 mm
09-10
18.9° 12.0°
0.25 mm
09-11
14.8° 11.7°
2.13 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Katwijk aan Zee?

3
netherlands-voorhout-linnaeuslaan
6.0 km 18.5°C 66.2% RH PM2.5: 0.7 µg/m³ PM10: 3.4 µg/m³
30
Willem de Zwijgerlaan, Leiden
8.4 km PM2.5: 7.2 µg/m³
8
Binnen
9.1 km 26.0°C 47.0% RH PM2.5: 1.9 µg/m³ PM10: 2.4 µg/m³
–
Buiten
9.1 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
30
Vogelaarsdreef, De Zilk
12.9 km PM2.5: 7.2 µg/m³
34
Amsterdamse Veerkade, Den Haag
15.3 km PM2.5: 8.2 µg/m³
28
Amsterdamse Veerkade, Den Haag
15.3 km PM2.5: 6.7 µg/m³
–
netherlands-hof-van-scheveningen
15.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
6
netherlands-laak-binckhorstlaan
15.9 km 19.5°C 64.3% RH PM2.5: 1.4 µg/m³ PM10: 1.8 µg/m³
22
Den Haag-Neherkade
16.6 km PM2.5: 5.3 µg/m³ PM10: 12.3 µg/m³

What cities are near Katwijk aan Zee?

12 Noordwijk-Binnen 25 Oegstgeest 24 Wassenaar 30 Merenwijk 34 Leiden 12 Sassenheim 27 Voorschoten 32 Leiderdorp 25 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 2026-09-05T19:36 UTC.