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Cluj Napoca Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-09-26 02:01 (Local Time)

Live AQI

56AQI (US)

Air Quality is

Moderate

PM2.5 : 15 µg/m³

pm10 : 18 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

11 °C

Last Updated: 2026-09-26 02:01 (Local Time)

Rank746^th

Currently, Cluj Napoca ranks 746^th among the cities with the highest AQI levels in the world.

Map

Cluj Napoca

Major Air Pollutants
Cluj Napoca

Particulate Matter(PM₂.₅)

15µg/m³

Particulate Matter(PM₁₀)

18µg/m³

Carbon Monoxide(CO)

288ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

8ppb

Ozone(O₃)

21ppb

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AQI Graph

Historical Air Quality Data
Cluj Napoca

24 Hours

AQI (US)

Cluj Napoca

AQI (US)

25-09-2026Time26-09-2026

Time	Cluj Napoca
2:01am	54
2:31am	52
3:01am	45
3:31am	46
4:01am	42
4:31am	43
5:01am	42
5:31am	42
6:01am	38
6:31am	38
7:01am	29
7:31am	26
8:01am	28
8:31am	36
9:01am	26
9:31am	27
10:01am	42
10:31am	37
11:01am	32
11:31am	28
12:01pm	26
12:31pm	27
1:01pm	38
1:31pm	39
2:01pm	39
2:31pm	38
3:01pm	34
3:31pm	35
4:01pm	23
4:31pm	24
5:01pm	24
5:31pm	23
6:01pm	24
6:31pm	24
7:01pm	24
7:31pm	25
8:01pm	36
8:31pm	40
9:01pm	51
9:31pm	51
10:01pm	58
10:31pm	57
11:01pm	51
11:31pm	51
12:01am	52
12:31am	52
1:01am	54
1:31am	54
2:01am	56

Min. AQI (US)4:01pm

Max. AQI (US)10:01pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Cluj Napoca, Cluj, Romania

AQI (US)

Cluj Napoca's Locations
Real-time Air Pollution Level

locations

Status

AQI (US)

PM₂.₅(µg/m³)

PM₁₀(µg/m³)

Temp.(°C)

Humi.(%)

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Strada Corneliu Coposu

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Strada Observatorului

Moderate

Strada Plevnei

Moderate

Strada Rakoczi Ferenc II

Moderate

Strada Trifoiului

Moderate

Strada Zefirului

Moderate

Strada stefan Mora

Moderate

Romania's Metro Cities
Air Quality Index

Bucharest

Cluj Napoca

Constanta

Craiova

Iasi

Timisoara

Air Quality Calendar 2026
Cluj Napoca

2026

AQI (US)

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 (US)

Air PurifierTurn On

Car FilterMust

N95 MaskMust

Stay IndoorMust

Prevent Health Problems: Understand Your Risks

Cluj Napoca

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

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 2026
Romania

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

Most Polluted Cities Live Ranking 2026

World's Most PollutedCity Rankings (2025)

World's Most PollutedCountry Rankings(2025)

RankCityAQI Status

Standard Value

Drobeta Turnu Severin, Mehedinti

Moderate

2xabove Standard

Timisoara, Timis

Moderate

1xabove Standard

Zarnesti, Brasov

Moderate

1xabove Standard

Arad, Arad

Moderate

1xabove Standard

Iasi, Iasi

Moderate

1xabove Standard

Cluj Napoca, Cluj

Moderate

1xequal Standard

Cluj Napoca, Cluj County

Moderate

1xbelow Standard

Tulcea, Tulcea

Moderate

1xbelow Standard

Bistrita, Bistrita Nasaud

Moderate

1xbelow Standard

10.

Bragadiru, Ilfov

Moderate

1xbelow Standard

Last Updated: 25 Sept 2026, 11:14 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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

Prana Air offers the solutions of air quality monitoring and clean air machine for Cluj Napoca

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

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.

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 App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Cluj Napoca

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Cluj Napoca?

The current real-time AQI (US) level in Cluj Napoca is 56 (Moderate). This was last updated 2026-09-26 02:01 (Local Time).

2. When was the best AQI (US) level in Cluj Napoca in the last 24 hours?

The best AQI (US) level was 23 (Good) at 4:01 PM (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Cluj Napoca in the last 24 hours?

The worst AQI (US) level was 58 (Moderate) at 10:01 PM (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Cluj Napoca during last 24 hours?

The AQI (US) levels in Cluj Napoca have been fluctuating throughout the last 24 hours. The levels have increased by highest 58 at 10:01 PM (Local Time), lowest 23 at 4:01 PM (Local Time).

5. What actions are recommended as per the current AQI (US) level in Cluj Napoca?

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