Air Quality in Hillerød, Denmark
Drizzle
13.6°C · 72.9% humidity
13.6°
Feels 13.6°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Hillerød's air quality — share it
AQI Forecast
Calibrated
5
2pm
6
6
25
5pm
20
16
13
8pm
11
10
9
11pm
8
7
7
2am
16
15
15
5am
15
15
8
8am
8
8
8
11am
8
8
Station readings
6h ago
AQI 0
PM2.5 0.1 µg/m³ · 6h ago
CAMS model
adj -19
24
25
25
25
25
25
25
25
25
25
25
25
25
34
34
34
34
34
27
27
27
27
27
27
Air Quality Index Trend
42h · 1 stnHillerød'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.
72.9%
Humidity
150.7 km/h
Wind W
1020.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Hillerød?
Temperature & Precipitation
PM2.5 Trend
42h · 1 stationPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Hillerød?
09-05
15.4° 12.7°
2.0 mm
09-06
17.6° 10.8°
4.94 mm
09-07
15.7° 10.6°
2.25 mm
09-08
17.7° 12.9°
4.19 mm
09-09
16.7° 11.1°
0.62 mm
09-10
17.2° 13.7°
0.38 mm
09-11
15.1° 9.7°
3.25 mm
Both models agree
Avg diff: 1.9°C
Where are air quality stations near Hillerød?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:05 UTC.