Air Quality in Kyustendil, Bulgaria
Clear
21.7°C · 26.4% humidity
21.7°
Feels 21.7°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
42
3am
44
49
43
6am
45
46
27
9am
27
28
28
12pm
28
29
29
3pm
22
22
22
6pm
22
22
22
9pm
22
29
29
12am
22
22
Station readings
42
44
CAMS model
adj -5
54
54
54
54
54
54
34
34
34
34
34
34
34
27
27
27
27
27
27
27
34
34
27
27
Air Quality Index Trend
46h · 5 stnKyustendil'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.
26.4%
Humidity
0.7 km/h
Wind ENE
1017.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.31 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Kyustendil?
Temperature & Precipitation
PM2.5 Trend
46h · 5 stationsPM2.510.31 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (5 stations within 25 km)
10.31
Median
10.5
Average
7.0
Low
18.5
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +0.5
What is the 7-day forecast for Kyustendil?
08-03
35.0° 18.4°
0.31 mm
08-04
37.3° 20.9°
08-05
37.4° 17.5°
08-06
36.2° 18.1°
5.44 mm
08-07
33.2° 18.0°
08-08
40.2° 19.9°
0.25 mm
08-09
33.9° 20.7°
0.06 mm
Both models agree
Avg diff: 5.3°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 2026-08-08T03:01 UTC.