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Luftqualität
Lexington · updated at 08:31Air Quality Index · US EPA scale
Gut
Clean air, no risk for anyone.
Main pollutantPM2.54.8 µg/m³27
050100150200300+
Temperatur12°Luftfeuchte79%Wind6 km/h NWUV-Index0
Health recommendations
GutGeneral population
Great day for outdoor activities. A good time to air out the house.
Sensitive groups
No restrictions.
children, older adults, pregnant women and people with asthma, COPD or heart diseaseOutdoor exerciseGo ahead
WindowsOpen is fine
MaskNot needed
Sensitive groupsNo restrictions
Next 24 hours
hourly AQI36O₃11:00
38O₃12:00
38O₃13:00
38O₃14:00
38O₃15:00
38O₃16:00
37O₃17:00
34O₃18:00
30O₃19:00
26O₃20:00
25O₃21:00
27PM2.522:00
24PM2.523:00
Morgen23O₃00:00
22O₃01:00
20O₃02:00
20PM2.503:00
21PM2.504:00
23PM2.505:00
25PM2.506:00
28PM2.507:00
35PM2.508:00
20PM2.509:00
29O₃10:00
Worst at 12:00 38Best at 02:00 20
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
Heute28/09
20°12°Gut38max
Heute28/0920°12°
20°12°Gut
38maxStündlichAQI · PM2.5 · main
00:00364µg/m³O₃
01:00344µg/m³O₃
02:00324µg/m³O₃
03:00294µg/m³O₃
04:00264µg/m³O₃
05:00244µg/m³O₃
06:00224µg/m³PM2.5
07:00234µg/m³PM2.5
08:00275µg/m³PM2.5
09:00234µg/m³O₃
10:00313µg/m³O₃
11:00363µg/m³O₃
12:00383µg/m³O₃
13:00382µg/m³O₃
14:00382µg/m³O₃
15:00382µg/m³O₃
16:00382µg/m³O₃
17:00372µg/m³O₃
18:00342µg/m³O₃
19:00302µg/m³O₃
20:00263µg/m³O₃
21:00253µg/m³O₃
22:00275µg/m³PM2.5
23:00244µg/m³PM2.5
Worst at 12:00Best at 06:00
Morgen29/0924°15°Gut39max
Morgen29/0924°15°
24°15°Gut
39maxStündlichAQI · PM2.5 · main
00:00234µg/m³O₃
01:00224µg/m³O₃
02:00204µg/m³O₃
03:00204µg/m³PM2.5
04:00214µg/m³PM2.5
05:00234µg/m³PM2.5
06:00255µg/m³PM2.5
07:00285µg/m³PM2.5
08:00356µg/m³PM2.5
09:00204µg/m³PM2.5
10:00293µg/m³O₃
11:00353µg/m³O₃
12:00384µg/m³O₃
13:00383µg/m³O₃
14:00383µg/m³O₃
15:00393µg/m³O₃
16:00393µg/m³O₃
17:00393µg/m³O₃
18:00363µg/m³O₃
19:00344µg/m³O₃
20:00305µg/m³O₃
21:00346µg/m³PM2.5
22:00377µg/m³PM2.5
23:00397µg/m³PM2.5
Worst at 15:00Best at 02:00
Mi30/09
27°14°Mäßig73max
Mi30/0927°14°
27°14°Mäßig
73maxStündlichAQI · PM2.5 · main
00:00397µg/m³PM2.5
01:00407µg/m³PM2.5
02:00407µg/m³PM2.5
03:00438µg/m³PM2.5
04:00448µg/m³PM2.5
05:00468µg/m³PM2.5
06:00499µg/m³PM2.5
07:005210µg/m³PM2.5
08:005411µg/m³PM2.5
09:00438µg/m³PM2.5
10:00366µg/m³O₃
11:00476µg/m³O₃
12:00546µg/m³O₃
13:00595µg/m³O₃
14:00635µg/m³O₃
15:00685µg/m³O₃
16:00735µg/m³O₃
17:00695µg/m³O₃
18:00565µg/m³O₃
19:00475µg/m³O₃
20:00426µg/m³O₃
21:00406µg/m³O₃
22:00386µg/m³O₃
23:00376µg/m³O₃
Worst at 16:00Best at 10:00
Do01/1029°15°Mäßig93max
Do01/1029°15°
29°15°Mäßig
93maxStündlichAQI · PM2.5 · main
00:00366µg/m³O₃
01:00367µg/m³PM2.5
02:00387µg/m³PM2.5
03:00407µg/m³PM2.5
04:00438µg/m³PM2.5
05:00468µg/m³PM2.5
06:00489µg/m³PM2.5
07:00519µg/m³PM2.5
08:005310µg/m³PM2.5
09:005210µg/m³PM2.5
10:00549µg/m³O₃
11:00868µg/m³O₃
12:00938µg/m³O₃
13:00866µg/m³O₃
14:00796µg/m³O₃
15:00786µg/m³O₃
16:00766µg/m³O₃
17:00716µg/m³O₃
18:00586µg/m³O₃
19:00486µg/m³O₃
20:00436µg/m³O₃
21:00426µg/m³O₃
22:00416µg/m³O₃
23:00416µg/m³O₃
Worst at 12:00Best at 00:00
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.
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Luftqualität in Lexington (VA) — 3 Tage
Luftqualität in Lexington (Virginia): 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.
