Air Quality in Castelo do Piauí, Brazil
Clear
36.9°C · 21.1% humidity
36.9°
Feels 36.9°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Castelo do Piauí's air quality — share it
AQI Forecast
25
11pm
25
25
25
2am
27
27
27
5am
27
27
27
8am
27
27
27
11am
27
27
25
2pm
25
25
25
5pm
25
25
25
8pm
25
25
Castelo do Piauí's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
21.1%
Humidity
39.7 km/h
Wind ESE
1008.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Castelo do Piauí?
Temperature & Precipitation
PM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Castelo do Piauí?
08-03
36.9° 25.0°
0.25 mm
08-04
35.5° 21.9°
08-05
37.3° 26.0°
08-06
36.0° 21.5°
0.44 mm
08-07
37.2° 23.9°
08-08
37.3° 23.9°
08-09
35.1° 24.2°
Both models agree
Avg diff: 1.1°C
What cities are near Castelo do Piauí?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T05:46 UTC.