What is the air quality in Castricum today?

The current Air Quality Index (AQI) in Castricum is 13 (Good). PM2.5 concentration is 3.22 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 0.7 (Low).

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.

6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

0 2am

13 5am

7 8am

3 11am

1 2pm

0 5pm

0 8pm

0 11pm

Station readings 29h ago

AQI 23

PM2.5 5.5 µg/m³ · 29h ago

Air Quality Index Trend

48h · 6 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

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.22 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Castricum?

Temperature & Precipitation

PM2.5 Trend

48h · 6 stations

PM2.53.22 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (6 stations within 25 km)

3.22

Median

5.2

Average

1.0

Low

7.7

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +2.7

What is the 7-day forecast for Castricum?

06-09

15.3° 13.3°

1.87 mm

06-10

18.5° 13.0°

0.19 mm

06-11

15.7° 14.6°

1.81 mm

06-12

13.7° 12.8°

1.31 mm

06-13

17.6° 12.7°

0.13 mm

06-14

17.0° 14.2°

0.62 mm

06-15

15.1° 13.5°

1.06 mm

Both models agree Avg diff: 2.3°C

Where are air quality stations near Castricum?

West, PNH Beverwijk

6.8 km PM2.5: 29.2 µg/m³

PNH Wijk aan Zee

7.6 km PM2.5: 5.8 µg/m³

Wijk aan Zee-Bosweg

8.0 km PM2.5: 1.5 µg/m³ PM10: 3.9 µg/m³

Staalstraat, Velsen

8.5 km PM2.5: 3.1 µg/m³

PNH De Rijp

13.1 km PM2.5: 5.8 µg/m³

Wagenschotpad, Zaandam

15.0 km PM2.5: 4.8 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?

13 Heemskerk 12 Heiloo 11 Beverwijk 13 Velsen-Zuid 22 Assendelft 9 IJmuiden 11 Alkmaar 18 Velserbroek 3 Bergen 27 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 2026-06-09T03:51 UTC.