Air Quality in Sliven, Bulgaria
Clear
24.9°C · 30.4% humidity
24.9°
Feels 24.9°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Sliven's air quality — share it
AQI Forecast
Calibrated
14
3pm
12
12
10
6pm
12
12
12
9pm
12
14
14
12am
14
14
14
3am
14
14
14
6am
12
12
12
9am
12
12
12
12pm
12
12
Station readings
8
12
CAMS model
adj -13
27
25
25
25
25
25
25
25
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
Air Quality Index Trend
46h · 1 stnSliven'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.
30.4%
Humidity
11.5 km/h
Wind NE
1016.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.5 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Sliven?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.52.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (1 station within 25 km)
2.5
Median
2.5
Average
2.5
Low
2.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +3.8
What is the 7-day forecast for Sliven?
09-05
25.2° 15.2°
09-06
26.0° 16.8°
0.13 mm
09-07
27.0° 13.3°
09-08
23.0° 13.2°
09-09
20.2° 14.5°
09-10
30.7° 14.0°
09-11
28.5° 13.3°
Both models agree
Avg diff: 3.4°C
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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 2026-09-05T15:06 UTC.