What is the air quality in Sliven today?

The current Air Quality Index (AQI) in Sliven is 54 (Moderate). PM2.5 concentration is 13.27 µg/m³.

What is the temperature in Sliven right now?

The current temperature in Sliven is 11.0°C (feels like 11.0°C). Humidity is 94.0% and wind speed is 44.5 km/h.

Air Quality in Sliven, Bulgaria

Drizzle

11.0°C · 94.0% humidity

11.0°

Feels 11.0°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

Sliven'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.

94.0%

Humidity

44.5 km/h

Wind ESE

1011.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.27 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Sliven?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.513.27 µg/m³ ✓ WHO

Moderate

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

13.27

Median

14.17

Average

11.0

Low

17.33

High

PM2.5 µg/m³ · Model: 19.2 · Bias: +5.9

What is the 7-day forecast for Sliven?

10-21

15.9° 8.9°

0.5 mm

10-22

10.0° 7.6°

0.31 mm

10-23

18.2° 5.2°

10-24

10.4° 1.6°

0.31 mm

10-25

13.5° 4.1°

0.06 mm

10-26

17.2° 5.5°

2.38 mm

10-27

9.9° 4.0°

Both models agree Avg diff: 3.3°C

Where are air quality stations near Sliven?

Sliven, Bulgaria

1.7 km PM2.5: 11.0 µg/m³

Sliven, Bulgaria

1.7 km PM2.5: 6.0 µg/m³

Sliven, Bulgaria

1.7 km PM2.5: 34.9 µg/m³

Sliven_Lozyata

2.3 km 11.2°C 74.0% RH PM2.5: 14.0 µg/m³ PM10: 18.0 µg/m³

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Yambol

26.2 km 14.3°C 79.0% RH PM2.5: 0.0 µg/m³ PM10: 1.0 µg/m³

What cities are near Sliven?

66 Yambol 52 Nova Zagora 65 Karnobat 68 Stara Zagora 54 Targovishte 25 Gorna Oryahovitsa 25 Veliko Tŭrnovo 50 Popovo 66 Aytos 28 Kazanlak

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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 2026-10-21T06:24 UTC.