What is the air quality in Allerød today?

The current Air Quality Index (AQI) in Allerød is 91 (Moderate). PM2.5 concentration is 30.87 µg/m³.

What is the temperature in Allerød right now?

The current temperature in Allerød is 11.0°C (feels like 11.0°C). Humidity is 88.1% and wind speed is 82.8 km/h.

Air Quality in Allerød, Denmark

Windy

11.0°C · 88.1% humidity

11.0°

Feels 11.0°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

3 stations

Nearby Monitoring Stations

AQI Forecast

85 7am

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Station readings

Air Quality Index Trend

47h · 2 stn

View full history →

Allerød'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. Current PM2.5 concentration in Allerød is 2.1× the WHO 24-hour guideline of 15 µg/m³.

88.1%

Humidity

82.8 km/h

Wind E

1019.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

30.87 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Allerød?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.530.87 µg/m³ ×2.1 WHO

Moderate

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

30.87

Median

27.25

Average

22.95

Low

34.8

High

PM2.5 µg/m³ · Model: 13.5 · Bias: -17.4

What is the 7-day forecast for Allerød?

10-21

12.6° 7.8°

0.06 mm

10-22

16.3° 6.8°

0.13 mm

10-23

9.3° 6.2°

3.31 mm

10-24

12.0° 7.1°

10-25

13.3° 4.4°

0.13 mm

10-26

10.6° 6.5°

0.94 mm

10-27

16.8° 2.6°

1.12 mm

Both models agree Avg diff: 2.6°C

Where are air quality stations near Allerød?

105

denmark-hillerød-birkehaven

8.3 km PM2.5: 37.0 µg/m³ PM10: 45.5 µg/m³

denmark-ballerup-egebjerghuse

13.2 km PM2.5: 29.4 µg/m³ PM10: 66.8 µg/m³

Risø, Denmark

24.9 km PM2.5: 2.9 µg/m³

Risø, Denmark

24.9 km PM2.5: 24.0 µg/m³

H.C.Andersens Boulevard, Copenhagen, Denmark

25.4 km PM2.5: 25.4 µg/m³

H.C.Andersens Boulevard, Copenhagen, Denmark

25.4 km PM2.5: 7.7 µg/m³

What cities are near Allerød?

92 Lillerød 84 Birkerød 77 Farum 97 Hillerød 88 Hørsholm 75 Stenløse 74 Ballerup 80 Frederikssund 77 Charlottenlund 74 Rødovre

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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 2026-10-21T08:27 UTC.