Air Quality in Heemskerk, Netherlands

Windy
18.3°C · 60.1% humidity
18.3°
Feels 18.3°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
15 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 7pm
28
28
15 10pm
19
21
23 1am
25
26
33 4am
34
34
34 7am
35
35
28 10am
28
28
28 1pm
28
28
28 4pm
28
28
Station readings 23h ago
AQI 25
PM2.5 5.9 µg/m³ · 23h ago
CAMS model adj +1
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

6h · 6 stn

Heemskerk'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.

60.1%
Humidity
90.1 km/h
Wind WNW
1014.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.68 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Heemskerk?

Temperature & Precipitation

PM2.5 Trend

6h · 6 stations
PM2.53.68 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (15 stations within 25 km)
3.68
Median
5.63
Average
1.2
Low
8.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.6

What is the 7-day forecast for Heemskerk?

07-21
18.6° 16.2°
2.06 mm
07-22
18.6° 16.2°
2.06 mm
07-23
17.3° 16.3°
2.75 mm
07-24
18.6° 16.4°
2.69 mm
07-25
19.2° 15.7°
07-26
24.7° 16.7°
0.75 mm
07-27
19.1° 18.2°
1.0 mm
Both models agree Avg diff: 1.5°C

Where are air quality stations near Heemskerk?

23
West, PNH Beverwijk
3.2 km PM2.5: 5.5 µg/m³
23
Staalstraat, Velsen
4.9 km PM2.5: 5.5 µg/m³
57
PNH Wijk aan Zee
5.1 km PM2.5: 15.0 µg/m³
–
Wijk aan Zee-Bosweg
5.4 km PM2.5: -1.0 µg/m³ PM10: 2.2 µg/m³
26
Wagenschotpad, Zaandam
12.1 km PM2.5: 6.2 µg/m³
40
Zaandam
13.1 km PM2.5: 9.6 µg/m³
27
Zaandam
13.1 km PM2.5: 6.5 µg/m³
45
Zaandam
13.1 km PM2.5: 10.8 µg/m³
9
Zaandam
13.1 km PM2.5: 2.2 µg/m³
38
Zaandam
13.1 km PM2.5: 9.1 µg/m³

What cities are near Heemskerk?

15 Beverwijk 16 Castricum 17 Velsen-Zuid 24 Assendelft 15 IJmuiden 19 Velserbroek 15 Heiloo 29 Zaanstad 30 Zaandam 18 Alkmaar
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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 2026-07-21T20:03 UTC.