Air Quality in Piraí, Brazil
Cloudy
17.1°C · 77.5% humidity
17.1°
Feels 17.1°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Piraí's air quality — share it
AQI Forecast
54
3pm
54
54
54
6pm
54
54
54
9pm
54
54
54
12am
54
34
27
3am
27
27
25
6am
27
27
27
9am
34
34
34
12pm
34
34
Piraí's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
77.5%
Humidity
9.2 km/h
Wind NW
1019.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.5 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Piraí?
Temperature & Precipitation
PM2.513.5 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Piraí?
07-21
27.0° 14.9°
0.44 mm
07-22
26.2° 14.4°
07-23
23.7° 14.4°
0.75 mm
07-24
29.6° 14.7°
07-25
24.7° 15.2°
07-26
27.7° 16.2°
0.06 mm
07-27
28.8° 14.5°
0.19 mm
Both models agree
Avg diff: 2.8°C
What cities are near Piraí?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:38 UTC.