Air Quality in Sliven, Bulgaria
Overcast
14.4°C · 92.2% humidity
14.4°
Feels 14.4°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Sliven's air quality — share it
AQI Forecast
Calibrated
18
2am
18
20
18
5am
20
18
18
8am
18
18
17
11am
17
17
17
2pm
17
18
18
5pm
18
18
18
8pm
18
18
18
11pm
18
20
Station readings
17
17
17
21
CAMS model
adj -7
25
25
27
27
27
25
25
25
25
24
24
24
24
24
25
25
25
25
25
25
25
25
25
27
Air Quality Index Trend
48h · 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.
92.2%
Humidity
5.4 km/h
Wind WNW
1018.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.33 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Sliven?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.54.33 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
4.33
Median
4.33
Average
4.33
Low
4.33
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +2.2
What is the 7-day forecast for Sliven?
06-09
23.2° 14.4°
0.69 mm
06-10
27.7° 15.9°
18.0 mm
06-11
21.3° 13.1°
0.25 mm
06-12
18.3° 14.6°
0.81 mm
06-13
21.8° 12.5°
7.88 mm
06-14
24.6° 15.7°
0.13 mm
06-15
26.6° 13.8°
8.13 mm
Both models agree
Avg diff: 3.3°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 2026-06-09T02:16 UTC.