Air Quality in Heiloo, Netherlands

Drizzle
7.0°C · 91.5% humidity
7.0°
Feels -1.3°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
39 9pm
27
12
5 12am
46
46
46 3am
46
46
46 6am
46
58
58 9am
46
58
58 12pm
58
71
71 3pm
71
71
71 6pm
71
71
Station readings
39
27
12
5
CAMS model adj +21
12
12
25
25
25
25
25
25
25
25
25
37
37
25
37
37
37
50
50
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

26h · 2 stations
91.5%
Humidity
128.4 km/h
Wind E
1013.8 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Heiloo?

Temperature & Precipitation

PM2.57.7 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (1 station within 25 km)
7.7
Median
7.7
Average
7.7
Low
7.7
High
PM2.5 µg/m³ · Model: 23.4 · Bias: +15.7

What is the 7-day forecast for Heiloo?

04-10
9.3° 4.8°
4.37 mm
04-11
8.7° 7.7°
4.94 mm
04-12
8.0° 7.2°
0.44 mm
04-13
8.9° 6.9°
0.56 mm
04-14
9.9° 6.0°
04-15
10.5° 6.3°
04-16
10.3° 6.9°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Heiloo?

30
Wijk aan Zee-Bosweg
13.9 km PM2.5: 7.1 µg/m³ PM10: 19.1 µg/m³
33
PNH IJmuiden
16.6 km
31
Wagenschotpad, Zaandam
19.3 km
27
Zaandam
20.2 km
54
Zaandam
20.2 km
50
Zaandam
20.2 km
43
Zaandam
20.2 km
85
Zaandam
20.2 km
33
Zaandam
20.2 km
22
Zaandam
20.2 km

What cities are near Heiloo?

32 Alkmaar 32 Castricum 32 Bergen 29 Heemskerk 28 Heerhugowaard 26 Beverwijk 26 Assendelft 26 Velsen-Zuid 29 IJmuiden 26 Zaanstad

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:50 UTC.