What is the air quality in Slagelse today?

The current Air Quality Index (AQI) in Slagelse is 51 (Moderate). PM2.5 concentration is 12.27 µg/m³.

What is the temperature in Slagelse right now?

The current temperature in Slagelse is 12.0°C (feels like 12.0°C). Humidity is 78.8% and wind speed is 124.7 km/h.

Air Quality in Slagelse, Denmark

Windy

12.0°C · 78.8% humidity

12.0°

Feels 12.0°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

30h · 1 stn

View full history →

Slagelse'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.

78.8%

Humidity

124.7 km/h

Wind SW

1016.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.27 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Slagelse?

Temperature & Precipitation

PM2.5 Trend

30h · 1 station

PM2.512.27 µg/m³ ✓ WHO

Moderate

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Slagelse?

10-21

12.0° 7.6°

10-22

16.7° 9.2°

0.62 mm

10-23

10.3° 8.6°

1.81 mm

10-24

11.1° 8.7°

10-25

12.1° 8.2°

0.06 mm

10-26

11.0° 10.3°

2.12 mm

10-27

14.3° 6.5°

7.19 mm

Both models agree Avg diff: 2.0°C

What cities are near Slagelse?

50 Klinteby Frihed 91 Ringsted 50 Næstved 49 Kalundborg 51 Nyborg 80 Holbæk 50 Køge 52 Roskilde 47 Vordingborg 47 Solrød Strand

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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 2026-10-21T10:05 UTC.