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Istanbul Air Quality Index (AQI) | Air Pollution

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

Last Updated: 11 Nov 2025, 01:10am (Local Time)

Live AQI

124(AQI-US)

Air Quality is

Poor

pm10 : 53 µg/m³

PM2.5 : 45 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

15 °C

Last Updated: 11 Nov 2025, 01:10am (Local Time)

Map

Istanbul

Major Air Pollutants
Istanbul

Particulate Matter(PM2.5)

45µg/m³

Particulate Matter(PM10)

53µg/m³

Carbon Monoxide(CO)

252ppb

Sulfur Dioxide(SO2)

6ppb

Nitrogen Dioxide(NO2)

29ppb

Ozone(O3)

4ppb

AQI Graph

Historical Air Quality Data
Istanbul

24 Hours

AQI

Istanbul

AQI

10-11-2025Time11-11-2025

Time	Istanbul
02 AM	151
03 AM	134
04 AM	114
05 AM	108
06 AM	107
07 AM	105
08 AM	103
09 AM	102
10 AM	104
11 AM	95
12 PM	84
01 PM	82
02 PM	84
03 PM	85
04 PM	89
05 PM	96
06 PM	94
07 PM	96
08 PM	96
09 PM	83
10 PM	80
11 PM	90
12 AM	110
01 AM	123

Min.at 10:04 PM on 10th Nov

151

Max.at 2:10 AM on 10th Nov

Want air quality data?

AQI Trends - Annual Air Quality Changes
Istanbul, Cayirova, Kocaeli, Turkey

AQI

Year

AQI

AQI	AQI
Mar 2020	26
Apr 2020	33
May 2020	19
Jun 2020	19
Jul 2020	44
Aug 2020	17
Sep 2020	19
Oct 2020	17
Nov 2020	46
Dec 2020	27
Jan 2021	20
Feb 2021	31
Mar 2021	13
Apr 2021	12
May 2021	21
Jun 2021	78
Jul 2021	80
Aug 2021	77
Sep 2021	70
Oct 2021	66
Nov 2021	71
Dec 2021	58
Jan 2022	61
Feb 2022	71
Mar 2022	69
Apr 2022	76
May 2022	72
Jun 2022	71
Jul 2022	54
Aug 2022	56
Sep 2022	54
Oct 2022	57
Nov 2022	65
Dec 2022	60
Jan 2023	77
Feb 2023	58
Mar 2023	57
Apr 2023	58
May 2023	62
Jun 2023	73
Jul 2023	76
Aug 2023	88
Sep 2023	71
Oct 2023	80
Nov 2023	72
Dec 2023	68
Jan 2024	68
Feb 2024	68
Mar 2024	94
Apr 2024	69
May 2024	59
Jun 2024	56
Jul 2024	55
Aug 2024	56
Sep 2024	71
Oct 2024	55
Nov 2024	64
Dec 2024	68
Jan 2025	81
Feb 2025	62
Mar 2025	71
Apr 2025	51
May 2025	39
Jun 2025	39
Jul 2025	57
Aug 2025	51
Sep 2025	52
Oct 2025	63
Nov 2025	97

Annual AQI Trends

2020

25AQI

2021

50AQI

100%

Rise

2022

65AQI

30%

Rise

2023

69AQI

Rise

2024

64AQI

-7%

Fall

2025

58AQI

-9%

Fall

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

24%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedNovember, 202597AQI

Least PollutedApril, 202112AQI

* This data analysis is from year 2020 - 2025

Turkey's Metro Cities
Air Quality Index

Ankara

109

Antalya

Bursa

Gaziantep

108

temp.10°C

hum.54%

Istanbul

154

Izmir

Trabzon

Air Quality Calendar 2025
Istanbul

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 86	2 Jan 84	3 Jan 85	4 Jan 68
5 Jan 50	6 Jan 65	7 Jan 87	8 Jan 72	9 Jan 72	10 Jan 89	11 Jan 85
12 Jan 47	13 Jan 37	14 Jan 28	15 Jan 30	16 Jan 32	17 Jan 62	18 Jan 93
19 Jan 117	20 Jan 108	21 Jan 79	22 Jan 115	23 Jan 130	24 Jan 135	25 Jan 99
26 Jan 69	27 Jan 99	28 Jan 124	29 Jan 89	30 Jan 83	31 Jan 103	1 Feb 130

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 69	27 Jan 99	28 Jan 124	29 Jan 89	30 Jan 83	31 Jan 103	1 Feb 130
2 Feb 116	3 Feb 107	4 Feb 107	5 Feb 48	6 Feb 51	7 Feb 49	8 Feb 46
9 Feb 45	10 Feb 44	11 Feb 51	12 Feb 59	13 Feb 58	14 Feb 57	15 Feb 56
16 Feb 59	17 Feb 55	18 Feb 52	19 Feb 46	20 Feb 42	21 Feb 47	22 Feb 47
23 Feb 48	24 Feb 46	25 Feb 46	26 Feb 68	27 Feb 71	28 Feb 79	1 Mar 76

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 48	24 Feb 46	25 Feb 46	26 Feb 68	27 Feb 71	28 Feb 79	1 Mar 76
2 Mar 71	3 Mar 65	4 Mar 53	5 Mar 54	6 Mar 59	7 Mar 59	8 Mar 74
9 Mar 86	10 Mar 87	11 Mar 97	12 Mar 85	13 Mar 68	14 Mar 67	15 Mar 63
16 Mar 63	17 Mar 63	18 Mar 52	19 Mar 54	20 Mar 73	21 Mar 75	22 Mar 75
23 Mar 79	24 Mar 76	25 Mar 74	26 Mar 74	27 Mar 65	28 Mar 90	29 Mar 91
30 Mar 85	31 Mar 59	1 Apr 63	2 Apr 61	3 Apr 57	4 Apr 62	5 Apr 61

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 85	31 Mar 59	1 Apr 63	2 Apr 61	3 Apr 57	4 Apr 62	5 Apr 61
6 Apr 43	7 Apr 36	8 Apr 36	9 Apr 39	10 Apr 43	11 Apr 50	12 Apr 44
13 Apr 54	14 Apr 52	15 Apr 46	16 Apr 57	17 Apr 50	18 Apr 52	19 Apr 66
20 Apr 46	21 Apr 66	22 Apr 81	23 Apr 54	24 Apr 40	25 Apr 52	26 Apr 41
27 Apr 45	28 Apr 50	29 Apr 46	30 Apr 45	1 May 45	2 May 45	3 May 52

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 45	28 Apr 50	29 Apr 46	30 Apr 45	1 May 45	2 May 45	3 May 52
4 May 34	5 May 42	6 May 50	7 May 55	8 May 66	9 May 51	10 May 49
11 May 42	12 May 42	13 May 34	14 May 35	15 May 31	16 May 34	17 May 38
18 May 35	19 May 31	20 May 28	21 May 28	22 May 29	23 May 30	24 May 34
25 May 35	26 May 33	27 May 37	28 May 37	29 May 32	30 May 36	31 May 34

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 30	2 Jun 29	3 Jun 32	4 Jun 33	5 Jun 44	6 Jun 43	7 Jun 40
8 Jun 41	9 Jun 44	10 Jun 42	11 Jun 46	12 Jun 47	13 Jun 49	14 Jun 43
15 Jun 39	16 Jun 35	17 Jun 38	18 Jun 47	19 Jun 47	20 Jun 46	21 Jun 43
22 Jun 41	23 Jun 32	24 Jun 33	25 Jun 34	26 Jun 33	27 Jun 32	28 Jun 41
29 Jun 40	30 Jun 34	1 Jul 49	2 Jul 50	3 Jul 36	4 Jul 51	5 Jul 46

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 40	30 Jun 34	1 Jul 49	2 Jul 50	3 Jul 36	4 Jul 51	5 Jul 46
6 Jul 53	7 Jul 58	8 Jul 53	9 Jul 53	10 Jul 62	11 Jul 54	12 Jul 53
13 Jul 53	14 Jul 56	15 Jul 61	16 Jul 64	17 Jul 60	18 Jul 62	19 Jul 58
20 Jul 46	21 Jul 50	22 Jul 51	23 Jul 62	24 Jul 63	25 Jul 61	26 Jul 56
27 Jul 53	28 Jul 71	29 Jul 72	30 Jul 74	31 Jul 66	1 Aug 52	2 Aug 43

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 53	28 Jul 71	29 Jul 72	30 Jul 74	31 Jul 66	1 Aug 52	2 Aug 43
3 Aug 38	4 Aug 35	5 Aug 35	6 Aug 39	7 Aug 45	8 Aug 64	9 Aug 64
10 Aug 63	11 Aug 61	12 Aug 60	13 Aug 63	14 Aug 53	15 Aug 56	16 Aug 61
17 Aug 52	18 Aug 57	19 Aug 60	20 Aug 53	21 Aug 51	22 Aug 56	23 Aug 67
24 Aug 55	25 Aug 49	26 Aug 37	27 Aug 33	28 Aug 29	29 Aug 43	30 Aug 55
31 Aug 64	1 Sep 58	2 Sep 53	3 Sep 66	4 Sep 67	5 Sep 58	6 Sep 59

September

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
31 Aug 64	1 Sep 58	2 Sep 53	3 Sep 66	4 Sep 67	5 Sep 58	6 Sep 59
7 Sep 57	8 Sep 54	9 Sep 55	10 Sep 63	11 Sep 61	12 Sep 58	13 Sep 53
14 Sep 46	15 Sep 42	16 Sep 44	17 Sep 51	18 Sep 54	19 Sep 43	20 Sep 39
21 Sep 39	22 Sep 40	23 Sep 52	24 Sep 55	25 Sep 54	26 Sep 62	27 Sep 47
28 Sep 42	29 Sep 43	30 Sep 56	1 Oct 53	2 Oct 54	3 Oct 74	4 Oct 58

October

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
28 Sep 42	29 Sep 43	30 Sep 56	1 Oct 53	2 Oct 54	3 Oct 74	4 Oct 58
5 Oct 51	6 Oct 61	7 Oct 70	8 Oct 70	9 Oct 44	10 Oct 46	11 Oct 52
12 Oct 57	13 Oct 66	14 Oct 81	15 Oct 59	16 Oct 59	17 Oct 65	18 Oct 95
19 Oct 61	20 Oct 64	21 Oct 70	22 Oct 81	23 Oct 71	24 Oct 51	25 Oct 55
26 Oct 67	27 Oct 39	28 Oct 71	29 Oct 49	30 Oct 86	31 Oct 70	1 Nov 124

November

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Oct 67	27 Oct 39	28 Oct 71	29 Oct 49	30 Oct 86	31 Oct 70	1 Nov 124
2 Nov 94	3 Nov 115	4 Nov 119	5 Nov 67	6 Nov 67	7 Nov 78	8 Nov 103
9 Nov 90	10 Nov 116	11 Nov -	12 Nov -	13 Nov -	14 Nov -	15 Nov -
16 Nov -	17 Nov -	18 Nov -	19 Nov -	20 Nov -	21 Nov -	22 Nov -
23 Nov -	24 Nov -	25 Nov -	26 Nov -	27 Nov -	28 Nov -	29 Nov -
30 Nov -	1 Dec -	2 Dec -	3 Dec -	4 Dec -	5 Dec -	6 Dec -

Health Advice For People Living In
Istanbul

1.6Cigarettes per day

Weekly 11.2 Cigarettes

Monthly 48 Cigarettes

Breathing the air in this location is as harmful as smoking 1.6 cigarettes a day.

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 PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Istanbul

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Poor (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
Turkey

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

Karabuk, Turkey

Istanbul, Turkey

Kirikkale, Turkey

Sanliurfa, Turkey

Diyarbakir, Turkey

Izmit, Turkey

Iskenderun, Turkey

Kocaeli, Turkey

Kahramanmaras, Turkey

Poor

8xabove Standard

10.

Igdir, Turkey

Poor

8xabove Standard

Last Updated: 10 Nov 2025, 10:10 PM

AQI City Rankings

Air Quality Solutions For Istanbul
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

air quality solutions for offices for Istanbul

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 institutes for Istanbul

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.

air quality solutions for airport for Istanbul

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 bathroom for Istanbul

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.

Istanbul's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

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.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Istanbul

Frequently Asked Questions About Air Quality

What is the current AQI level in Istanbul?

The current real-time AQI level in Istanbul is 124 (Poor). This was last updated 11 Nov 2025, 01:10am (Local Time).

When was the best AQI level in Istanbul in the last 24 hours?

The best AQI level was 80 (Moderate) at 10:04 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Istanbul in the last 24 hours?

The worst AQI level was 151 (Unhealthy) at 2:10 AM (Local Time) during the last 24 hours.

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

The AQI levels in Istanbul have been fluctuating throughout the last 24 hours. The levels have increased by highest 151 at 2:10 AM (Local Time), lowest 80 at 10:04 PM (Local Time).

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

Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.