Air Quality in Troyan, Bulgaria
Cloudy
15.8°C · 89.9% humidity
15.8°
Feels 15.8°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Troyan's air quality — share it
AQI Forecast
Calibrated
53
2am
38
38
40
5am
42
43
44
8am
43
44
44
11am
44
45
45
2pm
45
45
45
5pm
45
45
45
8pm
45
45
46
11pm
46
46
Station readings
53
38
38
46
CAMS model
adj +21
24
24
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
Air Quality Index Trend
48h · 2 stnTroyan'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.
89.9%
Humidity
30.9 km/h
Wind SSW
1017.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.66 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Troyan?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.59.66 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
9.66
Median
7.0
Average
4.33
Low
9.67
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -3.8
What is the 7-day forecast for Troyan?
06-09
23.9° 15.8°
4.13 mm
06-10
28.0° 16.0°
13.13 mm
06-11
22.1° 15.6°
0.06 mm
06-12
20.1° 16.3°
7.25 mm
06-13
23.4° 15.3°
2.31 mm
06-14
25.3° 16.3°
0.06 mm
06-15
28.3° 12.5°
1.63 mm
Both models agree
Avg diff: 4.5°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 2026-06-09T02:19 UTC.