Air Quality in Alkmaar, Netherlands

Windy
11.9°C · 67.6% humidity
11.9°
Feels 11.9°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
72 6pm
92
92
52 9pm
63
71
77 12am
81
84
87 3am
68
69
70 6am
71
71
71 9am
71
72
72 12pm
72
72
72 3pm
72
72
Station readings
77
82
74
35
CAMS model adj +38
34
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

31h · 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.

67.6%
Humidity
83.3 km/h
Wind NNE
1023.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.6 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Alkmaar?

Temperature & Precipitation

PM2.5 Trend

31h · 1 station
PM2.512.6 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
12.6
Median
12.91
Average
5.3
Low
31.6
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +0.9

What is the 7-day forecast for Alkmaar?

05-29
14.9° 11.9°
0.06 mm
05-30
13.6° 11.6°
9.56 mm
05-31
19.5° 9.8°
1.31 mm
06-01
16.8° 10.9°
06-02
21.6° 15.1°
4.19 mm
06-03
15.3° 11.4°
1.5 mm
06-04
28.3° 18.4°
0.69 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Alkmaar?

13
PNH De Rijp
10.8 km PM2.5: 3.1 µg/m³
34
West, PNH Beverwijk
17.4 km PM2.5: 8.2 µg/m³
38
PNH Wijk aan Zee
18.2 km PM2.5: 9.1 µg/m³
37
Wijk aan Zee-Bosweg
18.7 km PM2.5: 8.9 µg/m³ PM10: 16.4 µg/m³
38
Staalstraat, Velsen
19.1 km PM2.5: 9.1 µg/m³
58
Wagenschotpad, Zaandam
20.9 km PM2.5: 15.4 µg/m³
18
Zaandam
21.8 km PM2.5: 4.3 µg/m³
7
Zaandam
21.8 km PM2.5: 1.7 µg/m³
36
Zaandam
21.8 km PM2.5: 8.6 µg/m³
92
Zaandam
21.8 km PM2.5: 31.6 µg/m³

What cities are near Alkmaar?

49 Bergen 48 Heiloo 54 Heerhugowaard 46 Castricum 45 Heemskerk 44 Beverwijk 58 Schagen 50 Assendelft 55 Purmerend 46 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 2026-05-29T19:24 UTC.