What is the air quality in Hillerød today?

The current Air Quality Index (AQI) in Hillerød is 18 (Good). PM2.5 concentration is 4.36 µg/m³.

What is the temperature in Hillerød right now?

The current temperature in Hillerød is 11.1°C (feels like 11.1°C). Humidity is 81.2% and wind speed is 98.5 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

11.1°C · 81.2% humidity

11.1°

Feels 11.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

20 1am

18 4am

17 7am

17 10am

17 1pm

17 4pm

18 7pm

18 10pm

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.

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 stations

PM2.54.36 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?

denmark-hillerød-birkehaven

2.9 km PM2.5: 4.9 µg/m³ PM10: 6.5 µg/m³

denmark-ballerup-egebjerghuse

20.1 km PM2.5: 2.2 µg/m³ PM10: 5.5 µg/m³

Helsingborg Drottninggatan, Sweden

27.7 km PM2.5: 7.2 µg/m³

What cities are near Hillerød?

16 Lillerød 16 Allerød 13 Birkerød 15 Hørsholm 10 Farum 12 Frederikssund 10 Stenløse 9 Ballerup 18 Helsingør 9 Charlottenlund

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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.