Air Quality in Castelo do Piauí, Brazil

Drizzle
28.1°C · 51.1% humidity
28.1°
Feels 30.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
— 7pm
—
—
— 10pm
—
—
— 1am
—
—
— 4am
—
—
— 7am
—
—
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
View AQI history for Castelo do Piauí →

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.

51.1%
Humidity
25.5 km/h
Wind NNE
1008.7 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.0 µg/m³
PM10
13
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 INDEX0.0
Low

What is the 7-day forecast for Castelo do Piauí?

10-22
39.8° 21.6°
0.56 mm
10-23
39.2° 24.6°
10-24
39.5° 21.6°
10-25
40.7° 23.9°
10-26
35.9° 23.0°
0.06 mm
10-27
38.5° 23.3°
10-28
40.5° 23.4°
Both models agree Avg diff: 2.3°C

What cities are near Castelo do Piauí?

27 São Miguel do Tapuio 25 Campo Maior 27 Novo Oriente 27 Crateús 25 Pedro II 25 Altos 27 Quiterianópolis 25 Piripiri 25 Valença do Piauí 25 Croatá
Get AQI alerts for Castelo do Piauí

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-22T01:11 UTC.