Air Quality in Cluj-Napoca, Romania

Clear
24.2°C · 30.2% humidity
24.2°
Feels 24.2°
86
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
75 2am
90
71
86 5am
82
79
75 8am
73
72
71 11am
70
70
70 2pm
70
69
68 5pm
68
68
69 8pm
69
69
69 11pm
69
69
Station readings
75
90
20
CAMS model adj +44
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
24
24
24
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

Cluj-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. Current PM2.5 concentration in Cluj-Napoca is 1.9× the WHO 24-hour guideline of 15 µg/m³.

30.2%
Humidity
28.2 km/h
Wind SSW
1016.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
86
28.76 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Cluj-Napoca?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.528.76 µg/m³ ×1.9 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
28.76
Median
23.89
Average
19.0
Low
28.86
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -20.6

What is the 7-day forecast for Cluj-Napoca?

08-03
33.3° 20.7°
0.19 mm
08-04
35.4° 24.8°
0.44 mm
08-05
38.3° 17.8°
2.38 mm
08-06
36.8° 20.0°
0.06 mm
08-07
38.7° 21.8°
0.19 mm
08-08
41.3° 22.5°
08-09
34.8° 17.8°
2.44 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Cluj-Napoca?

90
Bd. 21 Decembrie 1989
0.8 km PM2.5: 30.7 µg/m³ PM10: 31.7 µg/m³
43
Cluj Napoca 2
1.4 km PM2.5: 10.3 µg/m³
21
Str. Aurel Vlaicu, Cluj-Napoca, Romania
2.5 km PM2.5: 5.0 µg/m³
20
Str. Aurel Vlaicu, Cluj-Napoca, Romania
2.5 km PM2.5: 4.8 µg/m³
20
Str. Aurel Vlaicu, Cluj-Napoca, Romania
2.5 km PM2.5: 4.8 µg/m³
32
Cluj Napoca
3.8 km PM2.5: 7.8 µg/m³
66
romania-sânnicoară
9.3 km 20.1°C PM2.5: 19.0 µg/m³ PM10: 21.0 µg/m³
59
Suceagu 354M
9.6 km PM2.5: 16.0 µg/m³ PM10: 22.1 µg/m³

What cities are near Cluj-Napoca?

66 Turda 51 Câmpia Turzii 38 Gherla 44 Ocna Mureş 35 Dej 25 Luduş 42 Aiud 38 Zalău 20 Blaj 25 Târnăveni
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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 2026-08-08T02:10 UTC.