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Air Quality
Amarante · updated at 06:33Air Quality Index · US EPA scale
Moderate
Acceptable; unusually sensitive people may notice mild discomfort.
Main pollutantPM2.514.4 µg/m³61
050100150200300+
Temperature15°Humidity91%Wind4 km/h SEUV index0
Health recommendations
ModerateGeneral 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 AQI61PM2.506:00
61PM2.507:00
60PM2.508:00
59PM2.509:00
58PM2.510:00
60PM2.511:00
58PM2.512:00
53PM2.513:00
52PM2.514:00
53PM2.515:00
53PM2.516:00
53PM2.517:00
56PM2.518:00
57PM2.519:00
59PM2.520:00
59PM2.521:00
58PM2.522:00
82PM2.523:00
Tomorrow97PM2.500:00
96PM2.501:00
82PM2.502:00
70PM2.503:00
65PM2.504:00
61PM2.505:00
Worst at 00:00 97Best at 14:00 52
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 isOzone (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 isNitrogen dioxide (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 isSulfur dioxide (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 isCarbon monoxide (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
Today28/09
24°15°Moderate82max
Today28/0924°15°
24°15°Moderate
82maxHour by hourAQI · PM2.5 · main
00:005813µg/m³PM2.5
01:005813µg/m³PM2.5
02:005913µg/m³PM2.5
03:006014µg/m³PM2.5
04:006114µg/m³PM2.5
05:006114µg/m³PM2.5
06:006114µg/m³PM2.5
07:006114µg/m³PM2.5
08:006014µg/m³PM2.5
09:005914µg/m³PM2.5
10:005813µg/m³PM2.5
11:006014µg/m³PM2.5
12:005813µg/m³PM2.5
13:005310µg/m³PM2.5
14:005210µg/m³PM2.5
15:005310µg/m³PM2.5
16:005310µg/m³PM2.5
17:005310µg/m³PM2.5
18:005612µg/m³PM2.5
19:005712µg/m³PM2.5
20:005914µg/m³PM2.5
21:005914µg/m³PM2.5
22:005813µg/m³PM2.5
23:008226µg/m³PM2.5
Worst at 23:00Best at 14:00
Tomorrow29/09
20°16°Moderate97max
Tomorrow29/0920°16°
20°16°Moderate
97maxHour by hourAQI · PM2.5 · main
00:009734µg/m³PM2.5
01:009633µg/m³PM2.5
02:008226µg/m³PM2.5
03:007019µg/m³PM2.5
04:006516µg/m³PM2.5
05:006114µg/m³PM2.5
06:005612µg/m³PM2.5
07:005310µg/m³PM2.5
08:005310µg/m³PM2.5
09:005210µg/m³PM2.5
10:005310µg/m³PM2.5
11:005612µg/m³PM2.5
12:005712µg/m³PM2.5
13:005612µg/m³PM2.5
14:005511µg/m³PM2.5
15:005411µg/m³PM2.5
16:005310µg/m³PM2.5
17:005310µg/m³PM2.5
18:005411µg/m³PM2.5
19:005511µg/m³PM2.5
20:005210µg/m³PM2.5
21:00499µg/m³PM2.5
22:00367µg/m³PM2.5
23:00316µg/m³PM2.5
Worst at 00:00Best at 23:00
Wed30/0918°12°Moderate56max
Wed30/0918°12°
18°12°Moderate
56maxHour by hourAQI · PM2.5 · main
00:00244µg/m³PM2.5
01:00213µg/m³O₃
02:00223µg/m³O₃
03:00223µg/m³O₃
04:00233µg/m³O₃
05:00214µg/m³O₃
06:00214µg/m³PM2.5
07:00214µg/m³PM2.5
08:00224µg/m³PM2.5
09:00265µg/m³PM2.5
10:00295µg/m³PM2.5
11:00305µg/m³O₃
12:00325µg/m³O₃
13:00355µg/m³O₃
14:00384µg/m³O₃
15:00384µg/m³O₃
16:00384µg/m³O₃
17:00385µg/m³O₃
18:00375µg/m³O₃
19:00355µg/m³O₃
20:00346µg/m³PM2.5
21:00417µg/m³PM2.5
22:00448µg/m³PM2.5
23:005612µg/m³PM2.5
Worst at 23:00Best at 01:00
Thu01/1023°11°Moderate87max
Thu01/1023°11°
23°11°Moderate
87maxHour by hourAQI · PM2.5 · main
00:006316µg/m³PM2.5
01:007421µg/m³PM2.5
02:008729µg/m³PM2.5
03:008628µg/m³PM2.5
04:008528µg/m³PM2.5
05:008125µg/m³PM2.5
06:007623µg/m³PM2.5
07:007321µg/m³PM2.5
08:007120µg/m³PM2.5
09:006316µg/m³PM2.5
10:005712µg/m³PM2.5
11:005511µg/m³PM2.5
12:005310µg/m³PM2.5
13:005411µg/m³PM2.5
14:005612µg/m³PM2.5
15:005813µg/m³PM2.5
16:005913µg/m³PM2.5
17:006014µg/m³PM2.5
18:006014µg/m³PM2.5
19:006316µg/m³PM2.5
20:007019µg/m³PM2.5
21:007522µg/m³PM2.5
22:008025µg/m³PM2.5
23:008628µg/m³PM2.5
Worst at 02:00Best at 12:00
Index scale
US EPA · 0 to 5000 – 50
GoodClean air, no risk for anyone.
51 – 100
ModerateAcceptable; unusually sensitive people may notice mild discomfort.
101 – 150
Unhealthy for sensitive groupsChildren, older adults and people with heart or lung disease may have symptoms.
151 – 200
UnhealthyEveryone may feel effects; sensitive groups, more serious ones.
201 – 300
Very unhealthyHealth alert: increased risk for the whole population.
301 – 500
HazardousEmergency: 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.
Parishes
AmaranteNearby cities
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Air quality in Lomba, Amarante (PO)
Air quality in the parish of Lomba, Amarante (Porto): air quality index (AQI), PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide for today, tomorrow and the day after.
