Air Quality in Piraí, Brazil
Clear
37.1°C · 15.0% humidity
37.1°
Feels 37.1°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Piraí's air quality — share it
AQI Forecast
66
9am
66
66
60
12pm
62
63
64
3pm
52
53
53
6pm
53
34
34
9pm
34
27
27
12am
27
27
27
3am
27
27
25
6am
25
25
Piraí's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons. Current PM2.5 concentration in Piraí is 1.1× the WHO 24-hour guideline of 15 µg/m³.
15.0%
Humidity
36.5 km/h
Wind NNE
1007.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.35 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Piraí?
Temperature & Precipitation
PM2.516.35 µg/m³
×1.1 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX19.9
Extreme
What is the 7-day forecast for Piraí?
09-05
37.1° 16.9°
9.88 mm
09-06
30.2° 18.3°
5.75 mm
09-07
23.0° 15.4°
0.06 mm
09-08
30.3° 13.7°
9.75 mm
09-09
24.6° 11.4°
5.31 mm
09-10
28.3° 18.1°
0.94 mm
09-11
18.7° 18.6°
1.44 mm
Both models agree
Avg diff: 5.1°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:50 UTC.