What is the air quality in Hillerød today?

The current Air Quality Index (AQI) in Hillerød is 16 (Good). PM2.5 concentration is 3.85 µg/m³.

What is the temperature in Hillerød right now?

The current temperature in Hillerød is 12.1°C (feels like 12.1°C). Humidity is 80.3% and wind speed is 107.6 km/h.

Is it safe to go outside in Hillerød?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Hillerød, Denmark

Drizzle

12.1°C · 80.3% humidity

12.1°

Feels 12.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

20 5am

16 8am

17 11am

17 2pm

17 5pm

18 8pm

18 11pm

18 2am

Station readings

CAMS model adj -7

Air Quality Index Trend

48h · 2 stn

View full history →

Hillerød'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.

80.3%

Humidity

107.6 km/h

Wind WSW

1012.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.85 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Hillerød?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations

PM2.53.85 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

3.85

Median

4.06

Average

3.84

Low

4.28

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +2.0

What is the 7-day forecast for Hillerød?

06-09

16.0° 11.1°

1.31 mm

06-10

18.2° 11.0°

0.63 mm

06-11

18.2° 13.2°

1.69 mm

06-12

14.8° 11.5°

4.69 mm

06-13

17.5° 10.4°

0.5 mm

06-14

17.4° 13.2°

1.06 mm

06-15

17.9° 13.1°

0.25 mm

Both models agree Avg diff: 1.9°C

Where are air quality stations near Hillerød?

denmark-hillerød-birkehaven

2.9 km PM2.5: 3.8 µg/m³ PM10: 5.4 µg/m³

denmark-ballerup-egebjerghuse

20.1 km PM2.5: 4.4 µg/m³ PM10: 10.6 µg/m³

Helsingborg Drottninggatan, Sweden

27.7 km PM2.5: 10.1 µg/m³

What cities are near Hillerød?

16 Lillerød 17 Allerød 19 Birkerød 19 Hørsholm 19 Farum 13 Frederikssund 14 Stenløse 18 Ballerup 20 Helsingør 28 Charlottenlund

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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 2026-06-09T06:36 UTC.