Air Quality in Koper, Slovenia
Drizzle
18.2°C · 86.1% humidity
18.2°
Feels 18.2°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Koper's air quality — share it
AQI Forecast
Calibrated
40
11pm
40
40
42
2am
33
33
33
5am
33
33
31
8am
31
31
31
11am
31
31
31
2pm
30
30
30
5pm
30
31
31
8pm
31
31
Station readings
39
39
31
37
42
CAMS model
adj +6
34
34
34
34
27
27
27
27
27
25
25
25
25
25
25
25
24
24
24
24
25
25
25
25
Air Quality Index Trend
9h · 1 stnKoper'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.
86.1%
Humidity
25.9 km/h
Wind ENE
1013.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Koper?
Temperature & Precipitation
PM2.5 Trend
9h · 1 stationPM2.510.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
10.1
Median
10.1
Average
10.1
Low
10.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -3.0
What is the 7-day forecast for Koper?
07-22
27.0° 18.2°
4.31 mm
07-23
28.4° 23.0°
07-24
26.9° 18.5°
0.06 mm
07-25
29.3° 18.3°
0.88 mm
07-26
30.5° 19.6°
1.0 mm
07-27
38.5° 23.8°
07-28
35.3° 18.1°
1.06 mm
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Koper?
What cities are near Koper?
Get AQI alerts for Koper
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T00:55 UTC.