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

Latest air quality data: Zanjān

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

particulate matter (PM2.5) dust - 11 (Good)
particulate matter (PM10) suspended dust - 18 (Good)
ozone (O3) - 78 (Moderate)
nitrogen dioxide (NO2) - 8 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 171 (Good)

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

AQI 2 Moderate

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

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

What is the current level of PM2.5 in Zanjān? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 11 (Good) For comparison, the highest level of PM2.5 in Zanjān in the last 7 days was: 19 (Thursday, August 20, 2026) and the lowest: 10 (Thursday, August 27, 2026).

What is the level of PM10 today in Zanjān? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Zanjān is: 18 (Good)

How is the O3 level today in Zanjān? (ozone (O3))
78 (Moderate)

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

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

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

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

PM2,5 11 (Good)

PM10 18 (Good)

O3 78 (Moderate)

NO2 8 (Good)

SO2 2 (Good)

CO 171 (Good)

Data on air pollution from recent days in Zanjān

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	10 Good	13 Moderate	16 Moderate	15 Moderate	15 Moderate	13 Moderate	13 Moderate	19 Moderate
pm10	19 Good	22 Moderate	28 Moderate	28 Moderate	32 Moderate	35 Moderate	33 Moderate	39 Moderate
o3	100 Moderate	126 Unhealthy for Sensitive Groups	113 Moderate	126 Unhealthy for Sensitive Groups	113 Moderate	90 Moderate	90 Moderate	82 Moderate
no2	10 Good	8 Good	7 Good	7 Good	8 Good	7 Good	4 Good	11 Good
so2	2 Good	3 Good	3 Good	3 Good	3 Good	3 Good	2 Good	3 Good
co	210 Good	198 Good	189 Good	173 Good	159 Good	219 Good	139 Good	216 Good

data source »

Quality of life in Zanjān

Green and Parks in the City

Zanjān 50%

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

particulate matter PM2.5

Zanjān 16 (Moderate)

Pleasure of spending time in the city

Zanjān 61%

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

particulate matter PM10

Zanjān 36 (Moderate)

Air Pollution

Zanjān 41%

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

Garbage Disposal

Zanjān 69%

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

Availability and quality of drinking water

Zanjān 60%

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

Cleanliness and tidiness

Zanjān 70%

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

Noise and Light pollution

Zanjān 0%

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

Water Pollution

Zanjān 44%

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

Source: Numbeo

Zanjān

Thursday, August 27, 2026 at 4:30 AM

PM2,5 11 (Good)

particulate matter (PM2.5) dust

PM10 18 (Good)

particulate matter (PM10) suspended dust

O3 78 (Moderate)

ozone (O3)

NO2 7.6 (Good)

nitrogen dioxide (NO2)

SO2 2 (Good)

sulfur dioxide (SO2)

CO 171 (Good)

carbon monoxide (CO)

Zanjān

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	19	13	13	15	15	16	13	9.9
pm10	39	33	35	32	28	28	22	19
o3	82	90	90	113	126	113	126	100
no2	11	3.6	6.8	7.9	7.3	7	7.9	9.8
so2	2.7	2.4	2.5	3.2	3	2.8	3.1	2.1
co	216	139	219	159	173	189	198	210

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

🌦️ Weather · 16-day Forecast — Iran

16-day weather forecast for Iran: today around 35°C (clear sky), lows near 22°C. Daily temperature and conditions, updated every day. Strong wind (about 28 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Iran

The UV index in Iran today is 7.7 (high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Zanjān — compare nearby locations.

Tehran 27 µg/m³
Mashhad 27 µg/m³
Eşfahān 24 µg/m³
Karaj 15 µg/m³
Tabriz 19 µg/m³
Shiraz 29 µg/m³
Qom 8 µg/m³
Ahvāz 56 µg/m³

Frequently asked questions

Is the air safe to breathe in Zanjān today?

The current average PM2.5 across Zanjān is about 11 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Zanjān?

Right now PM2.5 in Zanjān averages about 11 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 Zanjān?

Over the past week, the highest daily PM2.5 in Zanjān was recorded on Thursday, August 20 (about 19 µg/m³).

What is the UV index in Zanjān today?

The UV index in Zanjān today is 7.7 (high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Zanjān?

Strong wind (about 28 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.