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

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Latest air quality data: Vienna

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

particulate matter (PM2.5) dust - 8 (Good)
particulate matter (PM10) suspended dust - 13 (Good)
ozone (O3) - 45 (Good)
nitrogen dioxide (NO2) - 11 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 185 (Good)

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

AQI 1 Good

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

What is the current level of PM2.5 in Vienna? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 8 (Good) For comparison, the highest level of PM2.5 in Vienna in the last 7 days was: 10 (Wednesday, August 26, 2026) and the lowest: 3 (Saturday, August 22, 2026).

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

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

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

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

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

Current data Thursday, August 27, 2026 at 3:00 AM

PM2,5 8 (Good)

PM10 13 (Good)

O3 45 (Good)

NO2 11 (Good)

SO2 1 (Good)

CO 185 (Good)

Data on air pollution from recent days in Vienna

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	10 Good	8 Good	6 Good	4 Good	3 Good	7 Good	7 Good
pm10	12 Good	14 Good	12 Good	10 Good	6 Good	4 Good	9 Good	10 Good
o3	76 Moderate	74 Moderate	69 Good	65 Good	65 Good	74 Moderate	77 Moderate	82 Moderate
no2	8 Good	9 Good	10 Good	8 Good	5 Good	3 Good	9 Good	9 Good
so2	1 Good	2 Good	4 Good	1 Good	1 Good	0 Good	1 Good	1 Good
co	177 Good	186 Good	173 Good	174 Good	166 Good	158 Good	175 Good	177 Good

data source »

Quality of life in Vienna

Green and Parks in the City

Vienna 84%

Slovenia: 87% Czech Republic: 77% Croatia: 73% Hungary: 59% Liechtenstein: 88%

particulate matter PM2.5

Vienna 14 (Moderate)

Pleasure of spending time in the city

Vienna 88%

Slovenia: 88% Czech Republic: 77% Croatia: 81% Hungary: 65% Liechtenstein: 94%

particulate matter PM10

Vienna 19 (Good)

Air Pollution

Vienna 17%

Slovenia: 26% Czech Republic: 35% Croatia: 29% Hungary: 49% Liechtenstein: 6.3%

Garbage Disposal

Vienna 87%

Slovenia: 87% Czech Republic: 74% Croatia: 58% Hungary: 65% Liechtenstein: 100%

Availability and quality of drinking water

Vienna 95%

Slovenia: 96% Czech Republic: 84% Croatia: 86% Hungary: 80% Liechtenstein: 100%

Cleanliness and tidiness

Vienna 84%

Slovenia: 87% Czech Republic: 65% Croatia: 68% Hungary: 52% Liechtenstein: 94%

Noise and Light pollution

Vienna 31%

Slovenia: 37% Czech Republic: 44% Croatia: 34% Hungary: 45% Liechtenstein: 19%

Water Pollution

Vienna 9.9%

Slovenia: 17% Czech Republic: 28% Croatia: 25% Hungary: 30% Liechtenstein: 0%

Source: Numbeo

Vienna

Thursday, August 27, 2026 at 3:00 AM

PM2,5 7.6 (Good)

particulate matter (PM2.5) dust

PM10 13 (Good)

particulate matter (PM10) suspended dust

O3 45 (Good)

ozone (O3)

NO2 11 (Good)

nitrogen dioxide (NO2)

SO2 1 (Good)

sulfur dioxide (SO2)

CO 185 (Good)

carbon monoxide (CO)

Vienna

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	6.9	6.7	2.9	4.3	6.3	8.1	9.8	7.9
pm10	9.9	8.7	3.9	5.9	9.6	12	14	12
o3	82	77	74	65	65	69	74	76
no2	8.5	9.3	2.9	5.3	7.8	10	8.5	8.4
so2	0.53	0.62	0.44	0.58	0.63	3.7	1.6	1.4
co	177	175	158	166	174	173	186	177

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

🌦️ Weather · 16-day Forecast — Vienna

16-day weather forecast for Vienna: today around 28°C (rain), lows near 16°C. Daily temperature and conditions, updated every day. Strong wind (about 24 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Vienna

The UV index in Vienna today is 5.8 (moderate) — unprotected fair skin can burn in about 35 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Vienna — compare nearby locations.

BratislavaSlovakia 7 µg/m³
Graz 9 µg/m³
Linz 8 µg/m³
Salzburg 5 µg/m³
Innsbruck 5 µg/m³

Frequently asked questions

Is the air safe to breathe in Vienna today?

The current average PM2.5 across Vienna is about 8 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Vienna?

Right now PM2.5 in Vienna averages about 8 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 Vienna?

Over the past week, the highest daily PM2.5 in Vienna was recorded on Wednesday, August 26 (about 10 µg/m³).

What is the UV index in Vienna today?

The UV index in Vienna today is 5.8 (moderate) — unprotected fair skin can burn in about 35 minutes.

Does today's wind help disperse smog in Vienna?

Strong wind (about 24 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.