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Luftqualität
Vienna · updated at 22:12Air Quality Index · US EPA scale
Mäßig
Acceptable; unusually sensitive people may notice mild discomfort.
Main pollutantPM2.521.4 µg/m³74
050100150200300+
Temperatur16°Luftfeuchte56%Wind8 km/h NNWUV-Index0
Health recommendations
MäßigGeneral population
Outdoor activities are fine. If you get a cough or eye irritation, take it easier.
Sensitive groups
Very sensitive people should watch for symptoms and slow down if needed.
children, older adults, pregnant women and people with asthma, COPD or heart diseaseOutdoor exerciseGo ahead
WindowsOpen is fine
MaskNot needed
Sensitive groupsWatch symptoms
Next 24 hours
hourly AQI45O₃17:00
46PM2.518:00
51PM2.519:00
52PM2.520:00
51PM2.521:00
47PM2.522:00
44PM2.523:00
Morgen42PM2.500:00
36PM2.501:00
36O₃02:00
36O₃03:00
37O₃04:00
38O₃05:00
38O₃06:00
38O₃07:00
41PM2.508:00
52PM2.509:00
54PM2.510:00
56PM2.511:00
55PM2.512:00
47PM2.513:00
38PM2.514:00
39O₃15:00
39O₃16:00
Worst at 11:00 56Best at 01:00 36
Pollutants now
concentration · sub-indexWhat it isPM2.5
Fine particles under 2.5 µm — small enough to reach the lungs and bloodstream. They come from wildfires, diesel engines, industry and smoke, and are the pollutant most linked to heart and lung disease.
WHO 2021 guideline: 15.0 µg/m³ (24-h mean)What it isPM10
Inhalable particles up to 10 µm: road and construction dust, pollen, soot and sea salt. They irritate the nose, throat and airways and worsen asthma and bronchitis.
WHO 2021 guideline: 45.0 µg/m³ (24-h mean)What it isOzon (O₃)
Ground-level ozone forms when sunlight reacts with vehicle and industrial gases. It peaks on hot, sunny afternoons and causes coughing, chest pain and reduced lung function during exercise.
WHO 2021 guideline: 100 µg/m³ (24-h mean)What it isStickstoffdioxid (NO₂)
A gas produced mainly by fuel burning in cars, trucks and power plants. Highest near busy roads. It inflames the airways and increases asthma attacks.
WHO 2021 guideline: 25.0 µg/m³ (24-h mean)What it isSchwefeldioxid (SO₂)
A gas released by burning coal and oil in industry, refineries and ships. It irritates the eyes and airways; people with asthma are especially sensitive.
WHO 2021 guideline: 40.0 µg/m³ (24-h mean)What it isKohlenmonoxid (CO)
A colourless, odourless gas from incomplete combustion — vehicle exhaust, stoves and fires. It reduces the blood's ability to carry oxygen and is dangerous in enclosed spaces.
WHO 2021 guideline: 4000 µg/m³ (24-h mean)Tap a day to see it hour by hour
Heute08/10
25°13°Mäßig75max
Heute08/1025°13°
25°13°Mäßig
75maxStündlichAQI · PM2.5 · main
00:00395µg/m³O₃
01:00385µg/m³O₃
02:00384µg/m³O₃
03:00374µg/m³O₃
04:00374µg/m³O₃
05:00364µg/m³O₃
06:00344µg/m³O₃
07:00334µg/m³O₃
08:005511µg/m³PM2.5
09:005310µg/m³PM2.5
10:005210µg/m³PM2.5
11:00489µg/m³PM2.5
12:00478µg/m³O₃
13:00508µg/m³O₃
14:00538µg/m³O₃
15:00597µg/m³O₃
16:00637µg/m³O₃
17:00597µg/m³O₃
18:00508µg/m³O₃
19:005511µg/m³PM2.5
20:006316µg/m³PM2.5
21:007019µg/m³PM2.5
22:007421µg/m³PM2.5
23:007522µg/m³PM2.5
Worst at 23:00Best at 07:00
Morgen09/10
22°13°Mäßig70max
Morgen09/1022°13°
22°13°Mäßig
70maxStündlichAQI · PM2.5 · main
00:007019µg/m³PM2.5
01:006115µg/m³PM2.5
02:005511µg/m³PM2.5
03:005210µg/m³PM2.5
04:005210µg/m³PM2.5
05:005310µg/m³PM2.5
06:005310µg/m³PM2.5
07:005512µg/m³PM2.5
08:005612µg/m³PM2.5
09:005411µg/m³PM2.5
10:00417µg/m³PM2.5
11:00365µg/m³O₃
12:00424µg/m³O₃
13:00453µg/m³O₃
14:00483µg/m³O₃
15:00494µg/m³O₃
16:00484µg/m³O₃
17:00465µg/m³O₃
18:00426µg/m³O₃
19:00468µg/m³PM2.5
20:005511µg/m³PM2.5
21:005813µg/m³PM2.5
22:006114µg/m³PM2.5
23:006315µg/m³PM2.5
Worst at 00:00Best at 11:00
Sa10/1021°14°Mäßig74max
Sa10/1021°14°
21°14°Mäßig
74maxStündlichAQI · PM2.5 · main
00:006718µg/m³PM2.5
01:007221µg/m³PM2.5
02:007421µg/m³PM2.5
03:007321µg/m³PM2.5
04:007220µg/m³PM2.5
05:007321µg/m³PM2.5
06:007321µg/m³PM2.5
07:007321µg/m³PM2.5
08:006718µg/m³PM2.5
09:005914µg/m³PM2.5
10:005511µg/m³PM2.5
11:005210µg/m³PM2.5
12:00427µg/m³O₃
13:00446µg/m³O₃
14:00456µg/m³O₃
15:00466µg/m³O₃
16:00467µg/m³O₃
17:00457µg/m³O₃
18:00468µg/m³PM2.5
19:00519µg/m³PM2.5
20:005210µg/m³PM2.5
21:00519µg/m³PM2.5
22:00478µg/m³PM2.5
23:00448µg/m³PM2.5
Worst at 02:00Best at 12:00
So11/10
22°18°Mäßig56max
So11/1022°18°
22°18°Mäßig
56maxStündlichAQI · PM2.5 · main
00:00428µg/m³PM2.5
01:00367µg/m³PM2.5
02:00366µg/m³O₃
03:00366µg/m³O₃
04:00376µg/m³O₃
05:00387µg/m³O₃
06:00386µg/m³O₃
07:00387µg/m³O₃
08:00417µg/m³PM2.5
09:005210µg/m³PM2.5
10:005411µg/m³PM2.5
11:005612µg/m³PM2.5
12:005512µg/m³PM2.5
13:00478µg/m³PM2.5
14:00387µg/m³PM2.5
15:00396µg/m³O₃
16:00395µg/m³O₃
17:00405µg/m³O₃
18:00405µg/m³O₃
19:00415µg/m³O₃
20:00395µg/m³O₃
21:00344µg/m³O₃
22:00272µg/m³O₃
23:00221µg/m³O₃
Worst at 11:00Best at 23:00
Index scale
US EPA · 0 to 5000 – 50
GutClean air, no risk for anyone.
51 – 100
MäßigAcceptable; unusually sensitive people may notice mild discomfort.
101 – 150
Ungesund für empfindliche GruppenChildren, older adults and people with heart or lung disease may have symptoms.
151 – 200
UngesundEveryone may feel effects; sensitive groups, more serious ones.
201 – 300
Sehr ungesundHealth alert: increased risk for the whole population.
301 – 500
GefährlichEmergency: the entire population is likely to be affected.
Index computed with the US EPA method from concentrations modelled by CAMS (Copernicus). These are model estimates, not station measurements; for official data check your local environmental agency (e.g. EPA AirNow).
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Luftqualität in Vienna (MD) — 3 Tage
Luftqualität in Vienna (Maryland): Index (AQI), PM2.5, PM10, Ozon (O₃), Stickstoffdioxid (NO₂), Schwefeldioxid (SO₂) und Kohlenmonoxid (CO) für heute, morgen und übermorgen. Erfahren Sie, ob die Luft gut, mäßig, ungesund oder gefährlich ist.
