Air Quality in Harderwijk, Netherlands
Windy
20.5°C · 38.3% humidity
20.5°
Feels 20.5°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Harderwijk's air quality — share it
AQI Forecast
Calibrated
4
7pm
2
2
27
10pm
20
16
12
1am
10
15
14
4am
6
6
12
7am
12
5
4
10am
4
4
2
1pm
2
2
2
4pm
2
2
Station readings
6h ago
AQI 5
PM2.5 1.1 µg/m³ · 6h ago
CAMS model
adj -23
27
25
25
27
27
27
27
27
34
34
27
27
34
34
27
27
27
27
25
25
25
25
25
25
Air Quality Index Trend
15h · 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.
38.3%
Humidity
73.9 km/h
Wind WNW
1013.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Harderwijk?
Temperature & Precipitation
PM2.5 Trend
15h · 1 stationPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
6.5
Median
6.5
Average
6.0
Low
7.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.2
What is the 7-day forecast for Harderwijk?
07-21
27.7° 14.1°
0.62 mm
07-22
24.6° 11.2°
1.37 mm
07-23
20.7° 14.5°
0.69 mm
07-24
23.6° 14.1°
3.94 mm
07-25
30.7° 8.8°
07-26
33.2° 11.8°
0.06 mm
07-27
26.4° 16.0°
0.06 mm
Both models agree
Avg diff: 3.0°C
Where are air quality stations near Harderwijk?
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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 2026-07-21T20:45 UTC.