Tehran: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Tehran

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

particulate matter (PM2.5) dust - 27 (Moderate)
particulate matter (PM10) suspended dust - 30 (Moderate)
ozone (O3) - 0 (Good)
nitrogen dioxide (NO2) - 94 (Moderate)
sulfur dioxide (SO2) - 19 (Good)
carbon monoxide (CO) - 788 (Good)

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

AQI 2 Moderate

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

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

What is the current level of PM2.5 in Tehran? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 27 (Moderate) For comparison, the highest level of PM2.5 in Tehran in the last 7 days was: 26 (Monday, August 24, 2026) and the lowest: 20 (Thursday, August 27, 2026).

What is the level of PM10 today in Tehran? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Tehran is: 30 (Moderate)

How is the O3 level today in Tehran? (ozone (O3))
0 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
94 (Moderate)

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

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

Current data Thursday, August 27, 2026 at 4:30 AM

PM2,5 27 (Moderate)

PM10 30 (Moderate)

O3 0 (Good)

NO2 94 (Moderate)

SO2 19 (Good)

CO 788 (Good)

Data on air pollution from recent days in Tehran

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	20 Moderate	22 Moderate	21 Moderate	26 Moderate	22 Moderate	25 Moderate	26 Moderate	23 Moderate
pm10	28 Moderate	28 Moderate	25 Moderate	35 Moderate	40 Moderate	40 Moderate	52 Unhealthy for Sensitive Groups	52 Unhealthy for Sensitive Groups
o3	65 Good	68 Good	70 Moderate	82 Moderate	65 Good	53 Good	63 Good	80 Moderate
no2	54 Moderate	57 Moderate	50 Moderate	53 Moderate	46 Moderate	47 Moderate	36 Good	33 Good
so2	14 Good	19 Good	19 Good	20 Good	19 Good	21 Good	15 Good	11 Good
co	1061 Good	1522 Good	1142 Good	1225 Good	725 Good	972 Good	874 Good	651 Good

data source »

Quality of life in Tehran

Green and Parks in the City

Tehran 48%

Bahrain: 34% Kuwait: 45% Qatar: 52% Iraq: 40% United Arab Emirates: 58%

Pleasure of spending time in the city

Tehran 40%

Bahrain: 36% Kuwait: 46% Qatar: 51% Iraq: 43% United Arab Emirates: 62%

Air Pollution

Tehran 65%

Bahrain: 74% Kuwait: 69% Qatar: 63% Iraq: 66% United Arab Emirates: 49%

Garbage Disposal

Tehran 34%

Bahrain: 49% Kuwait: 43% Qatar: 67% Iraq: 32% United Arab Emirates: 68%

Availability and quality of drinking water

Tehran 48%

Bahrain: 66% Kuwait: 61% Qatar: 63% Iraq: 45% United Arab Emirates: 67%

Cleanliness and tidiness

Tehran 37%

Bahrain: 53% Kuwait: 42% Qatar: 67% Iraq: 39% United Arab Emirates: 74%

Noise and Light pollution

Tehran 59%

Bahrain: 55% Qatar: 56% Iraq: 52% United Arab Emirates: 51%

Water Pollution

Tehran 69%

Bahrain: 51% Kuwait: 52% Qatar: 45% Iraq: 63% United Arab Emirates: 39%

Source: Numbeo

Tehran

Thursday, August 27, 2026 at 4:30 AM

PM2,5 27 (Moderate)

particulate matter (PM2.5) dust

PM10 30 (Moderate)

particulate matter (PM10) suspended dust

O3 0 (Good)

ozone (O3)

NO2 94 (Moderate)

nitrogen dioxide (NO2)

SO2 19 (Good)

sulfur dioxide (SO2)

CO 788 (Good)

carbon monoxide (CO)

Tehran

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	23	26	25	22	26	21	22	20
pm10	52	52	40	40	35	25	28	28
o3	80	63	53	65	82	70	68	65
no2	33	36	47	46	53	50	57	54
so2	11	15	21	19	20	19	19	14
co	651	874	972	725	1225	1142	1522	1061

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

🌦️ Weather · 16-day Forecast — Tehran

16-day weather forecast for Tehran: today around 37°C (clear sky), lows near 26°C. Daily temperature and conditions, updated every day. A moderate breeze (about 17 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Tehran

The UV index in Tehran today is 7.8 (high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Tehran — compare nearby locations.

Karaj 15 µg/m³
Qom 8 µg/m³
Arak 7 µg/m³
Rasht 21 µg/m³
Hamadan 13 µg/m³
Eşfahān 24 µg/m³
Ardabīl 17 µg/m³
Kahrīz 18 µg/m³

Frequently asked questions

Is the air safe to breathe in Tehran today?

The current average PM2.5 across Tehran is about 27 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Tehran?

Right now PM2.5 in Tehran averages about 27 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Tehran?

Over the past week, the highest daily PM2.5 in Tehran was recorded on Monday, August 24 (about 26 µg/m³).

What is the UV index in Tehran today?

The UV index in Tehran today is 7.8 (high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Tehran?

A moderate breeze (about 17 km/h) is partially dispersing pollutants today.

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.