Sibiu: 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: Sibiu

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 Sibiu. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Sibiu:

particulate matter (PM2.5) dust - 10 (Good)
particulate matter (PM10) suspended dust - 13 (Good)
ozone (O3) - 50 (Good)
nitrogen dioxide (NO2) - 5 (Good)
sulfur dioxide (SO2) - 0 (Good)
carbon monoxide (CO) - 168 (Good)

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

AQI 1 Good

What is the air quality in Sibiu today? Is the air polluted in Sibiu?. 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 Sibiu.

What is the current level of PM2.5 in Sibiu? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 10 (Good) For comparison, the highest level of PM2.5 in Sibiu in the last 7 days was: 9 (Wednesday, August 26, 2026) and the lowest: 4 (Sunday, August 23, 2026).

What is the level of PM10 today in Sibiu? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Sibiu is: 13 (Good)

How is the O3 level today in Sibiu? (ozone (O3))
50 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
5 (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 10 (Good)

PM10 13 (Good)

O3 50 (Good)

NO2 5 (Good)

SO2 0 (Good)

CO 168 (Good)

Data on air pollution from recent days in Sibiu

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	8 Good	9 Good	7 Good	5 Good	4 Good	7 Good	9 Good	7 Good
pm10	9 Good	11 Good	9 Good	6 Good	5 Good	11 Good	12 Good	9 Good
o3	67 Good	77 Moderate	72 Moderate	69 Good	69 Good	81 Moderate	88 Moderate	71 Moderate
no2	5 Good	3 Good	3 Good	3 Good	2 Good	2 Good	3 Good	4 Good
so2	0 Good	2 Good	1 Good	0 Good	0 Good	1 Good	2 Good	1 Good
co	167 Good	157 Good	152 Good	148 Good	142 Good	141 Good	168 Good	160 Good

data source »

Quality of life in Sibiu

Green and Parks in the City

Sibiu 74%

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

particulate matter PM2.5

Sibiu 13 (Moderate)

Pleasure of spending time in the city

Sibiu 83%

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

particulate matter PM10

Sibiu 22 (Moderate)

Air Pollution

Sibiu 24%

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

Garbage Disposal

Sibiu 66%

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

Availability and quality of drinking water

Sibiu 93%

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

Cleanliness and tidiness

Sibiu 66%

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

Noise and Light pollution

Sibiu 30%

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

Water Pollution

Sibiu 18%

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

Source: Numbeo

Sibiu

Thursday, August 27, 2026 at 4:00 AM

PM2,5 9.8 (Good)

particulate matter (PM2.5) dust

PM10 13 (Good)

particulate matter (PM10) suspended dust

O3 50 (Good)

ozone (O3)

NO2 5 (Good)

nitrogen dioxide (NO2)

SO2 0.4 (Good)

sulfur dioxide (SO2)

CO 168 (Good)

carbon monoxide (CO)

Sibiu

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	6.7	9.3	7.1	3.8	4.8	7	9.4	8.2
pm10	8.9	12	11	5.1	6.2	9	11	9.4
o3	71	88	81	69	69	72	77	67
no2	4	3	1.7	2	3	3.2	3.5	4.7
so2	1.2	1.9	0.95	0.3	0.49	0.74	1.7	0.49
co	160	168	141	142	148	152	157	167

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

🌦️ Weather · 16-day Forecast — Sibiu

16-day weather forecast for Sibiu: today around 32°C (rain), lows near 15°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 — Sibiu

The UV index in Sibiu today is 6.1 (high) — unprotected fair skin can burn in about 35 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Sibiu — compare nearby locations.

Brașov 11 µg/m³
Piteşti 8 µg/m³
Craiova 9 µg/m³
Ploieşti 7 µg/m³
Bucharest 7 µg/m³
Iași 5 µg/m³
Cluj-Napoca 8 µg/m³
Timișoara 9 µg/m³

Frequently asked questions

Is the air safe to breathe in Sibiu today?

The current average PM2.5 across Sibiu is about 10 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Sibiu?

Right now PM2.5 in Sibiu averages about 10 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 Sibiu?

Over the past week, the highest daily PM2.5 in Sibiu was recorded on Wednesday, August 26 (about 9 µg/m³).

What is the UV index in Sibiu today?

The UV index in Sibiu today is 6.1 (high) — unprotected fair skin can burn in about 35 minutes.

Does today's wind help disperse smog in Sibiu?

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.