Air Quality in Harderwijk, Netherlands
Windy
15.2°C · 58.8% humidity
15.2°
Feels 15.2°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Harderwijk's air quality — share it
AQI Forecast
Calibrated
71
5pm
64
64
47
8pm
52
55
65
11pm
67
68
89
2am
89
90
70
5am
70
64
64
8am
64
64
64
11am
64
64
64
2pm
64
64
Station readings
7
95
89
64
CAMS model
adj +37
34
27
27
27
27
27
34
34
34
54
54
54
34
34
27
27
27
27
27
27
27
27
27
27
Air Quality Index Trend
17h · 1 stnHarderwijk'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.
58.8%
Humidity
73.9 km/h
Wind NNE
1022.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.35 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Harderwijk?
Temperature & Precipitation
PM2.5 Trend
17h · 1 stationPM2.511.35 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
11.35
Median
18.02
Average
8.9
Low
27.13
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +1.5
What is the 7-day forecast for Harderwijk?
05-29
18.0° 13.6°
05-30
14.5° 12.1°
10.94 mm
05-31
22.7° 9.7°
1.37 mm
06-01
22.5° 11.7°
0.06 mm
06-02
26.5° 16.6°
4.63 mm
06-03
16.6° 11.3°
2.5 mm
06-04
29.3° 19.6°
1.31 mm
Both models agree
Avg diff: 4.1°C
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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 2026-05-29T18:30 UTC.