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

2 weather warnings in effect for Romania ⚠️ Other hazard⛈️ Thunderstorms

Latest air quality data: Iași

Locations: Bucharest » Iași Cluj-Napoca » Timișoara » Craiova » Constanța » Galați » Brașov » Ploieşti » Brăila » Oradea » Bacău » Arad » Piteşti » Sibiu » Târgu Mureş » Baia Mare » Buzău » Botoșani » Satu Mare »

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

particulate matter (PM2.5) dust - 5 (Good)
particulate matter (PM10) suspended dust - 6 (Good)
ozone (O3) - 45 (Good)
nitrogen dioxide (NO2) - 3 (Good)
sulfur dioxide (SO2) - 0 (Good)
carbon monoxide (CO) - 168 (Good)

Real-time Air Quality Index (AQI) for Iași, Thursday, August 27, 2026: 1.

AQI 1 Good

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

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Iași.

What is the current level of PM2.5 in Iași? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in Iași in the last 7 days was: 7 (Tuesday, August 25, 2026) and the lowest: 4 (Sunday, August 23, 2026).

What is the level of PM10 today in Iași? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Iași is: 6 (Good)

How is the O3 level today in Iași? (ozone (O3))
45 (Good)

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

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

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

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

PM2,5 5 (Good)

PM10 6 (Good)

O3 45 (Good)

NO2 3 (Good)

SO2 0 (Good)

CO 168 (Good)

Data on air pollution from recent days in Iași

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	6 Good	6 Good	7 Good	5 Good	4 Good	6 Good	7 Good	5 Good
pm10	7 Good	8 Good	10 Good	7 Good	6 Good	9 Good	10 Good	8 Good
o3	60 Good	69 Good	66 Good	64 Good	76 Moderate	82 Moderate	84 Moderate	73 Moderate
no2	4 Good	4 Good	5 Good	4 Good	2 Good	2 Good	3 Good	4 Good
so2	1 Good	1 Good	1 Good	1 Good	0 Good	1 Good	1 Good	1 Good
co	181 Good	170 Good	168 Good	155 Good	151 Good	153 Good	159 Good	167 Good

data source »

Quality of life in Iași

Green and Parks in the City

Iași 52%

Moldova: 67% Bulgaria: 66% Serbia: 55% Hungary: 59% Slovakia: 58%

particulate matter PM2.5

Iași 20 (Moderate)

Pleasure of spending time in the city

Iași 52%

Moldova: 56% Bulgaria: 50% Serbia: 53% Hungary: 65% Slovakia: 73%

particulate matter PM10

Iași 29 (Moderate)

Air Pollution

Iași 60%

Moldova: 53% Bulgaria: 68% Serbia: 65% Hungary: 49% Slovakia: 35%

Garbage Disposal

Iași 47%

Moldova: 35% Bulgaria: 44% Serbia: 39% Hungary: 65% Slovakia: 65%

Availability and quality of drinking water

Iași 65%

Moldova: 46% Bulgaria: 70% Serbia: 64% Hungary: 80% Slovakia: 87%

Cleanliness and tidiness

Iași 55%

Moldova: 35% Bulgaria: 42% Serbia: 37% Hungary: 52% Slovakia: 57%

Noise and Light pollution

Iași 37%

Moldova: 53% Bulgaria: 51% Serbia: 51% Hungary: 45% Slovakia: 41%

Water Pollution

Iași 42%

Moldova: 63% Bulgaria: 41% Serbia: 52% Hungary: 30% Slovakia: 27%

Source: Numbeo

Iași

Thursday, August 27, 2026 at 4:00 AM

PM2,5 4.6 (Good)

particulate matter (PM2.5) dust

PM10 6 (Good)

particulate matter (PM10) suspended dust

O3 45 (Good)

ozone (O3)

NO2 3.2 (Good)

nitrogen dioxide (NO2)

SO2 0.3 (Good)

sulfur dioxide (SO2)

CO 168 (Good)

carbon monoxide (CO)

Iași

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	5.4	6.6	5.8	4.4	4.7	6.8	5.5	5.9
pm10	8	9.8	9	6	7.5	10	7.7	7.3
o3	73	84	82	76	64	66	69	60
no2	4.1	2.7	2.1	1.8	3.9	5.1	4.5	3.8
so2	0.55	1	0.64	0.49	0.81	1.1	0.64	0.64
co	167	159	153	151	155	168	170	181

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

🌦️ Weather · 16-day Forecast — Iași

16-day weather forecast for Iași: today around 33°C (rain), lows near 17°C. Daily temperature and conditions, updated every day. A moderate breeze (about 13 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Iași

The UV index in Iași today is 2.5 (low).

📍 Air quality in nearby cities

Live PM2.5 around Iași — compare nearby locations.

BălţiMoldova 6 µg/m³
Bacău 5 µg/m³
Botoșani 7 µg/m³
ChișinăuMoldova 5 µg/m³
Bucharest 7 µg/m³
Cluj-Napoca 8 µg/m³
Timișoara 9 µg/m³
Craiova 9 µg/m³

Frequently asked questions

Is the air safe to breathe in Iași today?

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

What is the current PM2.5 level in Iași?

Right now PM2.5 in Iași averages about 5 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 Iași?

Over the past week, the highest daily PM2.5 in Iași was recorded on Tuesday, August 25 (about 7 µg/m³).

What is the UV index in Iași today?

The UV index in Iași today is 2.5 (low).

Does today's wind help disperse smog in Iași?

A moderate breeze (about 13 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.