Air Quality in Hillerød, Denmark
Drizzle
11.1°C · 81.2% humidity
11.1°
Feels 11.1°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
20
1am
18
17
18
4am
17
17
17
7am
17
17
17
10am
17
17
17
1pm
17
17
17
4pm
17
18
18
7pm
18
18
18
10pm
18
18
Station readings
20
18
17
20
CAMS model
adj -7
27
27
25
25
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
25
25
25
Air Quality Index Trend
48h · 2 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.
81.2%
Humidity
98.5 km/h
Wind WSW
1011.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.36 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Hillerød?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.54.36 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
4.36
Median
3.28
Average
2.14
Low
4.41
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.6
Both models agree
Avg diff: 1.9°C
Where are air quality stations near Hillerød?
20
denmark-hillerød-birkehaven
9
denmark-ballerup-egebjerghuse
30
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 2026-06-09T02:15 UTC.