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Cluj Napoca Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Cluj

Last Updated: 2025-10-05 01:40:31 AM (Local Time)

location image
Live AQI
60(AQI-US)
Air Quality is
Moderate
pm10 :  21 µg/m³
PM2.5 :  14 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Cluj Napoca
overcast

9 °C

Overcast
Humidity
Humidity93 %
Wind Speed
Wind Speed4 km/h
UV Index
UV Index0
Last Updated: 2025-10-05 01:40:31 AM (Local Time)
Map

Cluj Napoca

Major Air Pollutants

Cluj Napoca

PM2.5's Icon

Particulate Matter(PM2.5)

14µg/m³

PM10's Icon

Particulate Matter(PM10)

21µg/m³

CO's Icon

Carbon Monoxide(CO)

300ppb

SO2's Icon

Sulfur Dioxide(SO2)

2ppb

NO2's Icon

Nitrogen Dioxide(NO2)

23ppb

O3's Icon

Ozone(O3)

41ppb

Trending in Romania

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AQI Graph

Historical Air Quality Data

Cluj Napoca

24 Hours
AQI
Cluj Napoca
AQI
.
04-10-2025Time05-10-2025
47
Min.at 4:04 PM on 4th Oct
61
Max.at 4:04 AM on 4th Oct

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Cluj Napoca, Cluj, Romania

AQI
Year
.
AQI

Annual AQI Trends

2020
11AQI
2021
26AQI
136%
Rise
2022
33AQI
27%
Rise
2023
49AQI
48%
Rise
2024
45AQI
-8%
Fall
2025
42AQI
-7%
Fall
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
39%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedDecember, 202282AQI
Least PollutedJune, 20206AQI

* This data analysis is from year 2020 - 2025

Cluj Napoca's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Good
33
6
28
14
89
Moderate
64
16
20
11
100
Moderate
56
12
24
13
76
Moderate
55
11
23
11
85
Moderate
58
13
22
11
100
Moderate
66
17
23
10
96
Moderate
62
15
17
9
100
Moderate
60
14
19
10
100
Moderate
58
13
18
10
100
Moderate
62
15
19
8
92
Moderate
64
16
18
8
88
Moderate
68
18
22
9
82
Moderate
58
13
19
10
99
Moderate
62
15
19
9
100
Moderate
60
14
17
9
100
Moderate
60
14
20
10
99
Moderate
66
17
20
10
100
Moderate
58
13
19
11
100
Moderate
64
16
23
9
93

Romania's Metro Cities

Air Quality Index

Bucharest City AQI

Bucharest

54

temp.9°C
hum.87%
Cluj Napoca City AQI

Cluj Napoca

62

temp.9°C
hum.93%
Constanta City AQI

Constanta

52

temp.8°C
hum.87%
Craiova City AQI

Craiova

73

temp.6°C
hum.87%
Iasi City AQI

Iasi

74

temp.9°C
hum.100%
Timisoara City AQI

Timisoara

115

temp.5°C
hum.100%

Air Quality Calendar 2025

Cluj Napoca

2025
AQI
January
1 Jan
62
2 Jan
65
3 Jan
61
4 Jan
59
5 Jan
59
6 Jan
57
7 Jan
58
8 Jan
59
9 Jan
58
10 Jan
56
11 Jan
55
12 Jan
53
13 Jan
52
14 Jan
54
15 Jan
57
16 Jan
57
17 Jan
58
18 Jan
60
19 Jan
59
20 Jan
60
21 Jan
61
22 Jan
61
23 Jan
62
24 Jan
61
25 Jan
60
26 Jan
60
27 Jan
60
28 Jan
59
29 Jan
59
30 Jan
59
31 Jan
61
February
1 Feb
60
2 Feb
61
3 Feb
60
4 Feb
60
5 Feb
60
6 Feb
60
7 Feb
60
8 Feb
60
9 Feb
60
10 Feb
61
11 Feb
61
12 Feb
61
13 Feb
61
14 Feb
62
15 Feb
62
16 Feb
61
17 Feb
62
18 Feb
62
19 Feb
62
20 Feb
61
21 Feb
61
22 Feb
61
23 Feb
60
24 Feb
61
25 Feb
61
26 Feb
62
27 Feb
61
28 Feb
61
March
1 Mar
61
2 Mar
60
3 Mar
60
4 Mar
59
5 Mar
59
6 Mar
59
7 Mar
58
8 Mar
58
9 Mar
59
10 Mar
60
11 Mar
60
12 Mar
58
13 Mar
56
14 Mar
55
15 Mar
54
16 Mar
51
17 Mar
50
18 Mar
47
19 Mar
47
20 Mar
48
21 Mar
49
22 Mar
52
23 Mar
53
24 Mar
54
25 Mar
54
26 Mar
53
27 Mar
53
28 Mar
52
29 Mar
52
30 Mar
51
31 Mar
50
April
1 Apr
50
2 Apr
49
3 Apr
49
4 Apr
48
5 Apr
47
6 Apr
45
7 Apr
43
8 Apr
42
9 Apr
41
10 Apr
40
11 Apr
40
12 Apr
39
13 Apr
39
14 Apr
37
15 Apr
36
16 Apr
36
17 Apr
36
18 Apr
36
19 Apr
34
20 Apr
34
21 Apr
31
22 Apr
30
23 Apr
29
24 Apr
29
25 Apr
29
26 Apr
29
27 Apr
28
28 Apr
29
29 Apr
29
30 Apr
29
May
1 May
30
2 May
33
3 May
37
4 May
42
5 May
43
6 May
42
7 May
40
8 May
39
9 May
41
10 May
38
11 May
30
12 May
41
13 May
40
14 May
37
15 May
39
16 May
33
17 May
32
18 May
32
19 May
31
20 May
35
21 May
36
22 May
43
23 May
44
24 May
33
25 May
30
26 May
26
27 May
31
28 May
26
29 May
32
30 May
31
31 May
32
June
1 Jun
34
2 Jun
34
3 Jun
36
4 Jun
36
5 Jun
43
6 Jun
52
7 Jun
54
8 Jun
54
9 Jun
47
10 Jun
50
11 Jun
58
12 Jun
46
13 Jun
40
14 Jun
36
15 Jun
38
16 Jun
38
17 Jun
44
18 Jun
43
19 Jun
48
20 Jun
43
21 Jun
34
22 Jun
32
23 Jun
35
24 Jun
37
25 Jun
35
26 Jun
33
27 Jun
34
28 Jun
33
29 Jun
30
30 Jun
30
July
1 Jul
27
2 Jul
25
3 Jul
25
4 Jul
28
5 Jul
32
6 Jul
29
7 Jul
37
8 Jul
41
9 Jul
36
10 Jul
28
11 Jul
28
12 Jul
29
13 Jul
31
14 Jul
37
15 Jul
40
16 Jul
38
17 Jul
34
18 Jul
26
19 Jul
25
20 Jul
24
21 Jul
34
22 Jul
36
23 Jul
30
24 Jul
25
25 Jul
28
26 Jul
31
27 Jul
30
28 Jul
25
29 Jul
22
30 Jul
22
31 Jul
25
August
1 Aug
25
2 Aug
27
3 Aug
29
4 Aug
28
5 Aug
28
6 Aug
28
7 Aug
26
8 Aug
25
9 Aug
25
10 Aug
26
11 Aug
29
12 Aug
31
13 Aug
32
14 Aug
32
15 Aug
32
16 Aug
34
17 Aug
34
18 Aug
33
19 Aug
33
20 Aug
34
21 Aug
34
22 Aug
34
23 Aug
33
24 Aug
31
25 Aug
29
26 Aug
28
27 Aug
29
28 Aug
31
29 Aug
29
30 Aug
30
31 Aug
30
September
1 Sep
31
2 Sep
32
3 Sep
33
4 Sep
36
5 Sep
33
6 Sep
33
7 Sep
33
8 Sep
34
9 Sep
34
10 Sep
35
11 Sep
34
12 Sep
33
13 Sep
33
14 Sep
33
15 Sep
29
16 Sep
27
17 Sep
23
18 Sep
19
19 Sep
22
20 Sep
33
21 Sep
34
22 Sep
28
23 Sep
27
24 Sep
31
25 Sep
28
26 Sep
24
27 Sep
23
28 Sep
35
29 Sep
42
30 Sep
41
October
1 Oct
50
2 Oct
57
3 Oct
54
4 Oct
-
5 Oct
-
6 Oct
-
7 Oct
-
8 Oct
-
9 Oct
-
10 Oct
-
11 Oct
-
12 Oct
-
13 Oct
-
14 Oct
-
15 Oct
-
16 Oct
-
17 Oct
-
18 Oct
-
19 Oct
-
20 Oct
-
21 Oct
-
22 Oct
-
23 Oct
-
24 Oct
-
25 Oct
-
26 Oct
-
27 Oct
-
28 Oct
-
29 Oct
-
30 Oct
-
31 Oct
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Cluj Napoca

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Cluj Napoca

  • asthma due to air pollution in Cluj NapocaAsthma
  • heart due to air pollution in Cluj NapocaHeart Issues
  • allergy due to air pollution in Cluj NapocaAllergies
  • sinus due to air pollution in Cluj NapocaSinus
  • flu due to air pollution in Cluj NapocaCold/Flu
  • copd due to air pollution in Cluj NapocaChronic (COPD)
asthma due to air pollution in Cluj Napoca

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

Romania

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Giurgiu, Romania

138
Poor
9xabove Standard

2.

Moldova Noua, Romania

117
Poor
8xabove Standard

3.

Drobeta Turnu Severin, Romania

116
Poor
8xabove Standard

4.

Timisoara, Romania

115
Poor
8xabove Standard

5.

Timisoara, Romania

99
Moderate
7xabove Standard

6.

Alexandria, Romania

94
Moderate
6xabove Standard

7.

Botosani, Romania

92
Moderate
6xabove Standard

8.

Draganesti Olt, Romania

88
Moderate
6xabove Standard

9.

Nadlac, Romania

88
Moderate
6xabove Standard

10.

Bacau, Romania

85
Moderate
6xabove Standard

Last Updated: 04 Oct 2025, 10:46 PM

AQI City Rankings

Air Quality Solutions For Cluj Napoca

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
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Air Quality Solutions For Hotels

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Air Quality Solutions for Parking Lot

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Air Quality Solutions For Construction Sites

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Air Quality Solutions For Hospitals

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Air Quality Solutions For Washroom | Bathroom

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Air Quality Solutions for Banks

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air quality solutions for cinema for Cluj Napoca

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

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Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Cluj Napoca's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Cluj Napoca
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Cluj Napoca

Frequently Asked Questions About Air Quality

What is the current AQI level in Cluj Napoca?

The current real-time AQI level in Cluj Napoca is 60 (Moderate). This was last updated 2025-10-05 01:40:31 AM (Local Time).

When was the best AQI level in Cluj Napoca in the last 24 hours?

The best AQI level was 47 (Good) at 4:04 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Cluj Napoca in the last 24 hours?

The worst AQI level was 61 (Moderate) at 4:04 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Cluj Napoca during last 24 hours?

The AQI levels in Cluj Napoca have been fluctuating throughout the last 24 hours. The levels have increased by highest 61 at 4:04 AM (Local Time), lowest 47 at 4:04 PM (Local Time).

What actions are recommended as per the current AQI level in Cluj Napoca?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

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