What is the air quality in Castricum today?

The current Air Quality Index (AQI) in Castricum is 31 (Good). PM2.5 concentration is 7.41 µg/m³.

What is the temperature in Castricum right now?

The current temperature in Castricum is 13.5°C (feels like 13.5°C). Humidity is 76.8% and wind speed is 86.2 km/h.

Is it safe to go outside in Castricum?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Castricum, Netherlands

Windy

13.5°C · 76.8% humidity

13.5°

Feels 13.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

16 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

14 5am

31 8am

20 11am

18 2pm

17 5pm

14 8pm

14 11pm

14 2am

Station readings 32h ago

AQI 23

PM2.5 5.5 µg/m³ · 32h ago

Air Quality Index Trend

48h · 10 stn

View full history →

Castricum'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.

76.8%

Humidity

86.2 km/h

Wind WNW

1019.7 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.41 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Castricum?

Temperature & Precipitation

PM2.5 Trend

48h · 10 stations

PM2.57.41 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (16 stations within 25 km)

7.41

Median

6.69

Average

2.2

Low

16.4

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -1.5

Both models agree Avg diff: 2.3°C

Where are air quality stations near Castricum?

West, PNH Beverwijk

6.8 km PM2.5: 6.2 µg/m³

PNH Wijk aan Zee

7.6 km PM2.5: 12.0 µg/m³

–

Wijk aan Zee-Bosweg

8.0 km PM2.5: -1.9 µg/m³ PM10: 9.2 µg/m³

Staalstraat, Velsen

8.5 km PM2.5: 6.5 µg/m³

PNH De Rijp

13.1 km PM2.5: 2.6 µg/m³

Wagenschotpad, Zaandam

15.0 km PM2.5: 13.5 µg/m³

Zaandam

16.0 km PM2.5: 8.6 µg/m³

Zaandam

16.0 km PM2.5: 17.3 µg/m³

Zaandam

16.0 km PM2.5: 5.3 µg/m³

Zaandam

16.0 km PM2.5: 32.1 µg/m³

What cities are near Castricum?

32 Heemskerk 35 Heiloo 38 Beverwijk 36 Velsen-Zuid 27 Assendelft 21 IJmuiden 42 Alkmaar 28 Velserbroek 43 Bergen 25 Zaanstad

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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 2026-06-09T06:49 UTC.