Air Quality in Heiloo, Netherlands
Drizzle
13.2°C · 71.9% humidity
13.2°
Feels 13.2°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
7
9am
7
5
20
12pm
16
15
13
3pm
11
10
9
6pm
8
8
6
9pm
6
5
5
12am
5
5
5
3am
5
5
5
6am
5
5
Station readings
7h ago
AQI 4
PM2.5 1.0 µg/m³ · 7h ago
CAMS model
adj -20
27
27
25
25
25
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
35h · 1 stnHeiloo'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.
71.9%
Humidity
117.4 km/h
Wind WSW
1013.3 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Heiloo?
Temperature & Precipitation
PM2.5 Trend
35h · 1 stationPM2.54.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (6 stations within 25 km)
4.7
Median
4.58
Average
2.3
Low
6.7
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.2
What is the 7-day forecast for Heiloo?
06-09
14.5° 13.2°
1.31 mm
06-10
19.5° 12.6°
0.06 mm
06-11
15.7° 14.5°
2.06 mm
06-12
13.4° 12.5°
1.75 mm
06-13
17.5° 12.3°
06-14
16.2° 14.2°
0.5 mm
06-15
14.7° 13.4°
0.5 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Heiloo?
13
PNH De Rijp
55
West, PNH Beverwijk
27
PNH Wijk aan Zee
7
Wijk aan Zee-Bosweg
24
Staalstraat, Velsen
65
Wagenschotpad, Zaandam
22
Zaandam
62
Zaandam
93
Zaandam
5
Zaandam
What cities are near Heiloo?
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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 2026-06-09T10:47 UTC.