What is the air quality in Tienen today?

The current Air Quality Index (AQI) in Tienen is 21 (Good). PM2.5 concentration is 5.01 µg/m³.

What is the temperature in Tienen right now?

The current temperature in Tienen is 15.6°C (feels like 15.6°C). Humidity is 47.0% and wind speed is 64.0 km/h.

Is it safe to go outside in Tienen?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Tienen, Belgium

Windy

15.6°C · 47.0% humidity

15.6°

Feels 15.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 44h ago

AQI 42

PM2.5 10.0 µg/m³ · 44h ago

Air Quality Index Trend

45h · 28 stn

View full history →

Tienen'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.

47.0%

Humidity

64.0 km/h

Wind SW

1021.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.01 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Tienen?

Temperature & Precipitation

PM2.5 Trend

45h · 28 stations

PM2.55.01 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

5.01

Median

5.4

Average

3.8

Low

7.0

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +1.5

What is the 7-day forecast for Tienen?

10-21

15.6° 7.6°

0.44 mm

10-22

19.6° 6.2°

10-23

10.0° 7.1°

3.5 mm

10-24

12.7° 6.4°

0.13 mm

10-25

15.5° 6.4°

0.06 mm

10-26

12.1° 6.9°

4.25 mm

10-27

18.8° 5.3°

0.44 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Tienen?

Walshoutem, Belgium

15.8 km PM2.5: 7.0 µg/m³

Aarschot, Belgium

20.2 km PM2.5: 7.9 µg/m³

What cities are near Tienen?

33 Kessel-Lo 33 Blauwput 22 Sint-Truiden 32 Heverlee 32 Leuven 30 Aarschot 38 Diest 34 Herent 38 Rotselaar 28 Wavre

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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 2026-10-21T10:06 UTC.