Air Quality in Hillerød, Denmark
Windy
19.9°C · 62.6% humidity
19.9°
Feels 19.9°
2
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Hillerød's air quality — share it
AQI Forecast
Calibrated
10
11pm
4
7
2
2am
3
4
5
5am
6
6
6
8am
7
7
7
11am
7
7
7
2pm
5
5
5
5pm
5
5
5
8pm
7
7
Station readings
10
4
5
18
CAMS model
adj -20
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
27
27
Air Quality Index Trend
47h · 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.
62.6%
Humidity
53.5 km/h
Wind W
1012.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
0.55 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Hillerød?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.50.55 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
0.55
Median
0.92
Average
0.53
Low
1.32
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +5.7
What is the 7-day forecast for Hillerød?
08-03
20.1° 16.2°
1.31 mm
08-04
19.3° 14.8°
17.31 mm
08-05
20.6° 14.4°
0.69 mm
08-06
26.7° 17.2°
0.13 mm
08-07
25.8° 16.8°
0.81 mm
08-08
17.6° 14.4°
2.12 mm
08-09
19.0° 14.0°
5.06 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Hillerød?
5
denmark-hillerød-birkehaven
6
denmark-ballerup-egebjerghuse
24
Helsingborg Drottninggatan, Sweden
17
Helsingborg Drottninggatan, Sweden
18
Helsingborg Drottninggatan, Sweden
What cities are near Hillerød?
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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 2026-08-08T00:51 UTC.