What is the air quality in Katwijk aan Zee today?

The current Air Quality Index (AQI) in Katwijk aan Zee is 43 (Good). PM2.5 concentration is 10.35 µg/m³.

What is the temperature in Katwijk aan Zee right now?

The current temperature in Katwijk aan Zee is 14.4°C (feels like 14.4°C). Humidity is 79.4% and wind speed is 86.9 km/h.

Is it safe to go outside in Katwijk aan Zee?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Katwijk aan Zee, Netherlands

Windy

14.4°C · 79.4% humidity

14.4°

Feels 14.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

9 stations

Nearby Monitoring Stations

AQI Forecast

60 10am

43 1pm

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Station readings

Air Quality Index Trend

48h · 3 stn

View full history →

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.

79.4%

Humidity

86.9 km/h

Wind SW

1019.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.35 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Katwijk aan Zee?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations

PM2.510.35 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (9 stations within 25 km)

10.35

Median

9.73

Average

2.9

Low

20.36

High

PM2.5 µg/m³ · Model: 19.2 · Bias: +8.9

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

10-21

14.4° 8.6°

1.13 mm

10-22

17.6° 10.5°

3.81 mm

10-23

12.3° 9.4°

4.5 mm

10-24

13.5° 9.2°

0.13 mm

10-25

13.0° 8.9°

0.81 mm

10-26

14.2° 9.1°

3.38 mm

10-27

15.9° 7.3°

1.63 mm

Both models agree Avg diff: 2.4°C

Where are air quality stations near Katwijk aan Zee?

netherlands-voorhout-linnaeuslaan

6.0 km 13.0°C 78.7% RH PM2.5: 7.9 µg/m³ PM10: 7.9 µg/m³

Willem de Zwijgerlaan, Leiden

8.4 km PM2.5: 3.1 µg/m³

Binnen

9.1 km 23.0°C 48.0% RH PM2.5: 0.9 µg/m³ PM10: 1.8 µg/m³

111

Buiten

9.1 km PM2.5: 39.7 µg/m³ PM10: 46.4 µg/m³

Amsterdamse Veerkade, Den Haag

15.3 km PM2.5: 2.9 µg/m³

Amsterdamse Veerkade, Den Haag

15.3 km PM2.5: 3.8 µg/m³

netherlands-hof-van-scheveningen

15.5 km PM2.5: 18.3 µg/m³ PM10: 18.3 µg/m³

netherlands-laak-binckhorstlaan

15.9 km 12.2°C 80.3% RH PM2.5: 11.8 µg/m³ PM10: 12.0 µg/m³

Den Haag-Neherkade

16.6 km PM2.5: 8.7 µg/m³ PM10: 14.9 µg/m³

Bleriotlaan, Den Haag

18.5 km PM2.5: 4.1 µg/m³

What cities are near Katwijk aan Zee?

46 Noordwijk-Binnen 41 Oegstgeest 39 Wassenaar 38 Merenwijk 38 Leiden 46 Sassenheim 38 Voorschoten 38 Leiderdorp 40 Lisse 58 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 2026-10-21T11:50 UTC.