What is the air quality in Viljandi today?

The current Air Quality Index (AQI) in Viljandi is 6 (Good). PM2.5 concentration is 1.35 µg/m³.

What is the temperature in Viljandi right now?

The current temperature in Viljandi is 4.2°C (feels like -1.5°C). Humidity is 71.1% and wind speed is 34.8 km/h.

Is it safe to go outside in Viljandi?

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

Air Quality in Viljandi, Estonia

Cloudy

4.2°C · 71.1% humidity

4.2°

Feels -1.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

Viljandi'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.

71.1%

Humidity

34.8 km/h

Wind S

1024.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

1.35 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Viljandi?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.51.35 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

1.35

Median

1.35

Average

1.35

Low

1.35

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +4.4

What is the 7-day forecast for Viljandi?

10-21

11.2° 3.2°

1.06 mm

10-22

14.8° 4.2°

0.19 mm

10-23

8.9° 3.3°

10-24

7.7° 5.7°

0.06 mm

10-25

7.7° 2.3°

3.94 mm

10-26

8.1° 2.8°

4.0 mm

10-27

10.9° -0.3°

Both models agree Avg diff: 3.3°C

Where are air quality stations near Viljandi?

estonia-viljandi-lille

0.6 km PM2.5: 1.2 µg/m³ PM10: 2.1 µg/m³

What cities are near Viljandi?

12 Pärnu 12 Tartu 1 Valmiera 12 Cēsis 8 Nõmme 11 Maardu 12 Tallinn 14 Kohtla-Järve 36 Slantsy 25 Pskov

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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 2026-10-21T02:27 UTC.