Air Quality in Cluj-Napoca, Romania
Windy
21.5°C · 31.2% humidity
21.5°
Feels 21.5°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Cluj-Napoca's air quality — share it
AQI Forecast
Calibrated
7
12pm
19
19
11
3pm
13
15
16
6pm
17
17
18
9pm
18
18
18
12am
18
18
18
3am
18
18
18
6am
18
18
19
9am
19
19
Station readings
7
4
16
CAMS model
adj -6
25
25
25
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
25
25
25
Air Quality Index Trend
47h · 1 stnCluj-Napoca'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.
31.2%
Humidity
118.7 km/h
Wind WNW
1014.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.74 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Cluj-Napoca?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.52.74 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (2 stations within 25 km)
2.74
Median
1.88
Average
1.0
Low
2.75
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +3.3
What is the 7-day forecast for Cluj-Napoca?
09-05
21.5° 14.5°
09-06
23.8° 13.4°
1.94 mm
09-07
28.6° 12.4°
1.25 mm
09-08
20.0° 9.8°
1.0 mm
09-09
21.2° 12.5°
09-10
31.9° 9.7°
0.25 mm
09-11
21.6° 12.3°
0.19 mm
Both models agree
Avg diff: 5.8°C
Where are air quality stations near Cluj-Napoca?
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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 2026-09-05T12:48 UTC.