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Air Quality
Juquitiba · updated at 05:43Air Quality Index · US EPA scale
Moderate
Acceptable; unusually sensitive people may notice mild discomfort.
Main pollutantPM2.526.4 µg/m³83
050100150200300+
Temperature16°Humidity91%Wind7 km/h SSEUV 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 AQI41PM2.500:00
41PM2.501:00
42PM2.502:00
43PM2.503:00
41PM2.504:00
36PM2.505:00
36PM2.506:00
40PM2.507:00
52PM2.508:00
53PM2.509:00
56PM2.510:00
84O₃11:00
106O₃12:00
108O₃13:00
99O₃14:00
86O₃15:00
71O₃16:00
60PM2.517:00
63PM2.518:00
69PM2.519:00
77PM2.520:00
84PM2.521:00
89PM2.522:00
94PM2.523:00
Worst at 13:00 108Best at 05:00 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 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
Today27/09
22°14°Unhealthy for sensitive groups114max
Today27/0922°14°
22°14°Unhealthy for sensitive groups
114maxHour by hourAQI · PM2.5 · main
00:0010939µg/m³PM2.5
01:0011340µg/m³PM2.5
02:0011441µg/m³PM2.5
03:0011039µg/m³PM2.5
04:009834µg/m³PM2.5
05:008326µg/m³PM2.5
06:006617µg/m³PM2.5
07:005612µg/m³PM2.5
08:005411µg/m³PM2.5
09:006610µg/m³O₃
10:00699µg/m³O₃
11:00639µg/m³O₃
12:00548µg/m³O₃
13:00498µg/m³O₃
14:00458µg/m³O₃
15:00427µg/m³O₃
16:00397µg/m³PM2.5
17:00387µg/m³PM2.5
18:00407µg/m³PM2.5
19:00438µg/m³PM2.5
20:00438µg/m³PM2.5
21:00428µg/m³PM2.5
22:00417µg/m³PM2.5
23:00417µg/m³PM2.5
Worst at 02:00Best at 17:00
Tomorrow28/09
27°15°Unhealthy for sensitive groups108max
Tomorrow28/0927°15°
27°15°Unhealthy for sensitive groups
108maxHour by hourAQI · PM2.5 · main
00:00417µg/m³PM2.5
01:00417µg/m³PM2.5
02:00428µg/m³PM2.5
03:00438µg/m³PM2.5
04:00417µg/m³PM2.5
05:00366µg/m³PM2.5
06:00367µg/m³PM2.5
07:00407µg/m³PM2.5
08:005210µg/m³PM2.5
09:005310µg/m³PM2.5
10:005612µg/m³PM2.5
11:008413µg/m³O₃
12:0010614µg/m³O₃
13:0010813µg/m³O₃
14:009914µg/m³O₃
15:008614µg/m³O₃
16:007114µg/m³O₃
17:006014µg/m³PM2.5
18:006316µg/m³PM2.5
19:006919µg/m³PM2.5
20:007723µg/m³PM2.5
21:008427µg/m³PM2.5
22:008930µg/m³PM2.5
23:009432µg/m³PM2.5
Worst at 13:00Best at 05:00
Tue29/09
34°15°Very unhealthy244max
Tue29/0934°15°
34°15°Very unhealthy
244maxHour by hourAQI · PM2.5 · main
00:009533µg/m³PM2.5
01:009432µg/m³PM2.5
02:0010236µg/m³PM2.5
03:0011441µg/m³PM2.5
04:0012244µg/m³PM2.5
05:0012947µg/m³PM2.5
06:0013148µg/m³PM2.5
07:0013549µg/m³PM2.5
08:0012646µg/m³PM2.5
09:0017440µg/m³O₃
10:0021237µg/m³O₃
11:0023135µg/m³O₃
12:0024236µg/m³O₃
13:0024436µg/m³O₃
14:0023935µg/m³O₃
15:0022532µg/m³O₃
16:0019229µg/m³O₃
17:008927µg/m³O₃
18:008829µg/m³PM2.5
19:009432µg/m³PM2.5
20:008527µg/m³PM2.5
21:00499µg/m³PM2.5
22:00455µg/m³O₃
23:00403µg/m³O₃
Worst at 13:00Best at 23:00
Wed30/09
31°15°Unhealthy for sensitive groups120max
Wed30/0931°15°
31°15°Unhealthy for sensitive groups
120maxHour by hourAQI · PM2.5 · main
00:00345µg/m³O₃
01:00428µg/m³PM2.5
02:00519µg/m³PM2.5
03:005511µg/m³PM2.5
04:005813µg/m³PM2.5
05:005913µg/m³PM2.5
06:006114µg/m³PM2.5
07:006416µg/m³PM2.5
08:006617µg/m³PM2.5
09:006918µg/m³O₃
10:009916µg/m³O₃
11:0011715µg/m³O₃
12:0012015µg/m³O₃
13:0010215µg/m³O₃
14:006814µg/m³O₃
15:005713µg/m³PM2.5
16:005913µg/m³PM2.5
17:006215µg/m³PM2.5
18:006215µg/m³PM2.5
19:005813µg/m³PM2.5
20:005813µg/m³PM2.5
21:00489µg/m³PM2.5
22:00397µg/m³PM2.5
23:00428µg/m³PM2.5
Worst at 12:00Best at 00:00
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), via WeatherAPI. These are model estimates, not station measurements; for official data check your local environmental agency.
Districts
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Air quality in Barnabés, Juquitiba (SP)
Air quality in the district of Barnabés, Juquitiba (São Paulo): air quality index (AQI), PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide for today, tomorrow and the day after.
