Air Quality in Sliven, Bulgaria
Drizzle
14.4°C · 89.7% humidity
14.4°
Feels 14.4°
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Sliven's air quality — share it
AQI Forecast
Calibrated
7
8pm
7
7
5
11pm
9
9
9
2am
9
9
9
5am
9
9
7
8am
7
7
7
11am
7
7
7
2pm
7
7
7
5pm
7
7
Station readings
4
12
8
8
CAMS model
adj -18
25
25
25
25
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
47h · 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.
89.7%
Humidity
31.1 km/h
Wind N
1017.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
1.16 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Sliven?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.51.16 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
1.16
Median
1.42
Average
0.5
Low
2.33
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +5.1
What is the 7-day forecast for Sliven?
05-29
18.7° 14.1°
0.44 mm
05-30
21.8° 15.8°
2.25 mm
05-31
12.9° 10.8°
1.75 mm
06-01
19.7° 14.4°
5.5 mm
06-02
23.1° 12.9°
0.69 mm
06-03
20.2° 10.7°
0.56 mm
06-04
19.8° 12.2°
Both models agree
Avg diff: 3.7°C
Where are air quality stations near Sliven?
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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 2026-05-29T20:28 UTC.