Smog in Istanbul — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: Istanbul

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Pollution and air quality forecast for Istanbul. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Istanbul:

particulate matter (PM2.5) dust - 12 (Good)
particulate matter (PM10) suspended dust - 23 (Moderate)
ozone (O3) - 89 (Moderate)
nitrogen dioxide (NO2) - 15 (Good)
sulfur dioxide (SO2) - 3 (Good)
carbon monoxide (CO) - 191 (Good)

Real-time Air Quality Index (AQI) for Istanbul, Thursday, August 27, 2026: 2.

AQI 2 Moderate

What is the air quality in Istanbul today? Is the air polluted in Istanbul?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderate in Istanbul. Some pollutants in Istanbul may slightly affect very few hypersensitive individuals. Air pollutants in Istanbul may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Istanbul? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 12 (Good) For comparison, the highest level of PM2.5 in Istanbul in the last 7 days was: 12 (Sunday, August 23, 2026) and the lowest: 8 (Tuesday, August 25, 2026).

What is the level of PM10 today in Istanbul? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Istanbul is: 23 (Moderate) The highest PM10 values usually occur in month: 152 (February 2017). The lowest value of particulate matter PM10 pollution in Istanbul is usually recorded in: January (17).

How is the O3 level today in Istanbul? (ozone (O3))
89 (Moderate)

How high is the level of NO2? (nitrogen dioxide (NO2))
15 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
3 (Good)

How high is the CO level? (carbon monoxide (CO))
191 (Good)

Current data Thursday, August 27, 2026 at 4:00 AM

PM2,5 12 (Good)

PM10 23 (Moderate)

O3 89 (Moderate)

NO2 15 (Good)

SO2 3 (Good)

CO 191 (Good)

Data on air pollution from recent days in Istanbul

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	11 Good	11 Good	8 Good	9 Good	12 Good	10 Good	9 Good	10 Good
pm10	19 Good	21 Moderate	16 Good	15 Good	18 Good	17 Good	15 Good	14 Good
o3	92 Moderate	91 Moderate	89 Moderate	82 Moderate	81 Moderate	83 Moderate	83 Moderate	81 Moderate
no2	14 Good	14 Good	10 Good	12 Good	18 Good	13 Good	11 Good	14 Good
so2	4 Good	4 Good	3 Good	3 Good	4 Good	3 Good	3 Good	4 Good
co	187 Good	189 Good	170 Good	170 Good	189 Good	177 Good	164 Good	174 Good

data source »

Air pollution in Istanbul from August 2018 to October 2018

index	2018-10	2018-09	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2018-08
pm10	29 (Moderate)	29 (Moderate)	37 (Moderate)	33 (Moderate)	40 (Moderate)	44 (Moderate)	32 (Moderate)	40 (Moderate)	29 (Moderate)	21 (Moderate)	50 (Moderate)	43 (Moderate)	34 (Moderate)	30 (Moderate)	35 (Moderate)	38 (Moderate)	45 (Moderate)	46 (Moderate)	152 (Very bad Hazardous)	17 (Good)	27 (Moderate)	32 (Moderate)
so2	7.5 (Good)	7.5 (Good)	5.8 (Good)	5 (Good)	5.5 (Good)	4.4 (Good)	6.9 (Good)	8.2 (Good)	12 (Good)	5.5 (Good)	5.5 (Good)	6.7 (Good)	6.5 (Good)	8.5 (Good)	7.8 (Good)	8.4 (Good)	12 (Good)	11 (Good)	12 (Good)	12 (Good)	9.4 (Good)	5 (Good)
no2	83 (Moderate)	83 (Moderate)	83 (Moderate)	72 (Moderate)	92 (Moderate)	86 (Moderate)	71 (Moderate)	76 (Moderate)	66 (Moderate)	75 (Moderate)	80 (Moderate)	87 (Moderate)	69 (Moderate)	64 (Moderate)	89 (Moderate)	92 (Moderate)	126 (Unhealthy for Sensitive Groups)	106 (Unhealthy for Sensitive Groups)	93 (Moderate)	72 (Moderate)	62 (Moderate)	- (Good)
o3	8.5 (Good)	8.5 (Good)	13 (Good)	13 (Good)	8.6 (Good)	8.4 (Good)	9.6 (Good)	6.7 (Good)	8 (Good)	7.4 (Good)	7.5 (Good)	11 (Good)	13 (Good)	11 (Good)	7.6 (Good)	9.1 (Good)	4.7 (Good)	6.7 (Good)	9.1 (Good)	14 (Good)	12 (Good)	- (Good)
co	304 (Good)	304 (Good)	273 (Good)	283 (Good)	356 (Good)	379 (Good)	311 (Good)	373 (Good)	505 (Good)	559 (Good)	409 (Good)	329 (Good)	254 (Good)	305 (Good)	242 (Good)	274 (Good)	351 (Good)	378 (Good)	416 (Good)	782 (Good)	373 (Good)	- (Good)

data source »

Istanbul

Thursday, August 27, 2026 at 4:00 AM

PM2,5 12 (Good)

particulate matter (PM2.5) dust

PM10 23 (Moderate)

particulate matter (PM10) suspended dust

O3 89 (Moderate)

ozone (O3)

NO2 15 (Good)

nitrogen dioxide (NO2)

SO2 3 (Good)

sulfur dioxide (SO2)

CO 191 (Good)

carbon monoxide (CO)

Istanbul

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	9.5	9.4	9.9	12	9.4	8.4	11	11
pm10	14	15	17	18	15	16	21	19
o3	81	83	83	81	82	89	91	92
no2	14	11	13	18	12	9.6	14	14
so2	3.6	3.1	3.2	4.4	2.7	2.8	4	3.6
co	174	164	177	189	170	170	189	187

Aksaray

index	2018-10	2018-09	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
pm10	36	36	45	52	60	65	48	62	39	3	79	62	52	51	57	62	70	64	407	37	37
so2	10	10	5.8	4.5	4.2	4.1	4	4.2	4.2	4.8	5.7	9	9.5	12	8.2	6.5	7.8	8.3	10	10	9.1
no2	83	83	83	78	98	99	84	91	73	85	82	77	80	76	79	77	122	100	72	57	50
o3	5	5	5.6	4.2	4	4.3	4.1	4.2	6.3	6.1	4.6	1.4	3	4.2	4	3.9	3.6	5.7	7.4	11	9.5
co	606	606	545	564	710	756	621	745	583	864	817	656	506	609	482	545	700	755	831	694	744

Sarıyer

index	2018-10	2018-09	2018-08	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
pm10	32	32	32	23	28	34	23	28	26	29	32	27	21	17	22	23	27	31	35	11	20
so2	5	5	5	5.5	6.8	4.8	9.8	12	20	6.1	5.2	4.4	3.4	5.2	7.3	10	16	14	14	14	9.8

Çatladıkapı

index	2018-10	2018-09	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
o3	12	12	20	22	13	13	15	9.2	9.8	8.7	10	20	24	18	11	14	5.7	7.7	11	17	14
co	1	1	1	2	2	2	1	1	426	253	1	1	1	1	1	2	1	1	1	869	2
pm10	20	20	28	26	31	34	25	29	21	30	39	39	28	23	27	30	39	42	14	4.6	23
no2	-	-	-	65	86	72	57	60	58	64	78	97	59	53	98	106	130	112	114	87	74

* Pollution data source: https://openaq.org (Turkey) The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Istanbul

16-day weather forecast for Istanbul: today around 30°C (clear sky), lows near 24°C. Daily temperature and conditions, updated every day. Strong wind (about 31 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Istanbul

The UV index in Istanbul today is 6.7 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Istanbul — compare nearby locations.

Ümraniye 9 µg/m³
Sultangazi 9 µg/m³
Bursa 28 µg/m³
Eskişehir 16 µg/m³
Ankara 20 µg/m³
İzmir 15 µg/m³
Adana 21 µg/m³
Gaziantep 14 µg/m³

Frequently asked questions

Is the air safe to breathe in Istanbul today?

The current average PM2.5 across Istanbul is about 12 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Istanbul?

Right now PM2.5 in Istanbul averages about 12 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Istanbul?

Over the past week, the highest daily PM2.5 in Istanbul was recorded on Sunday, August 23 (about 12 µg/m³).

What is the UV index in Istanbul today?

The UV index in Istanbul today is 6.7 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Istanbul?

Strong wind (about 31 km/h) is actively clearing smog and dust away.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.