Air Quality in Alkmaar, Netherlands

Windy
10.5°C · 85.7% humidity
10.5°
Feels 10.5°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 1am
0
0
24 4am
19
13
10 7am
7
5
4 10am
3
2
1 1pm
1
1
0 4pm
0
0
0 7pm
0
0
0 10pm
0
0
Station readings 4h ago
AQI 11
PM2.5 2.7 µg/m³ · 4h ago
CAMS model adj -27
27
27
25
25
25
25
25
27
27
27
25
25
25
27
27
27
27
27
27
27
25
25
25
25
AD 728×90

Air Quality Index Trend

39h · 1 stn

Alkmaar'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.

85.7%
Humidity
41.8 km/h
Wind WSW
1017.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.81 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Alkmaar?

Temperature & Precipitation

PM2.5 Trend

39h · 1 station
PM2.55.81 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
5.81
Median
5.87
Average
4.3
Low
7.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.2

What is the 7-day forecast for Alkmaar?

06-09
15.2° 10.5°
0.81 mm
06-10
22.5° 10.1°
0.06 mm
06-11
20.5° 14.7°
1.44 mm
06-12
14.9° 11.6°
1.63 mm
06-13
20.8° 9.3°
0.13 mm
06-14
17.3° 12.4°
0.19 mm
06-15
14.8° 13.2°
0.44 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Alkmaar?

25
PNH De Rijp
10.8 km PM2.5: 6.0 µg/m³
34
West, PNH Beverwijk
17.4 km PM2.5: 8.2 µg/m³
53
PNH Wijk aan Zee
18.2 km PM2.5: 13.1 µg/m³
–
Wijk aan Zee-Bosweg
18.7 km PM2.5: -2.2 µg/m³ PM10: 1.9 µg/m³
15
Staalstraat, Velsen
19.1 km PM2.5: 3.6 µg/m³
24
Wagenschotpad, Zaandam
20.9 km PM2.5: 5.8 µg/m³
22
Zaandam
21.8 km PM2.5: 5.3 µg/m³
62
Zaandam
21.8 km PM2.5: 17.3 µg/m³
30
Zaandam
21.8 km PM2.5: 7.2 µg/m³
5
Zaandam
21.8 km PM2.5: 1.2 µg/m³

What cities are near Alkmaar?

23 Bergen 23 Heiloo 25 Heerhugowaard 23 Castricum 23 Heemskerk 25 Beverwijk 25 Schagen 24 Assendelft 24 Purmerend 25 Velsen-Zuid
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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 2026-06-09T02:11 UTC.