Air Quality in Castelo, Brazil
Cloudy
15.5°C · 72.7% humidity
15.5°
Feels 15.5°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Castelo's air quality — share it
AQI Forecast
25
3pm
25
27
22
6pm
30
31
32
9pm
53
33
33
12am
34
27
27
3am
27
27
27
6am
27
27
27
9am
34
34
34
12pm
34
34
Castelo's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
72.7%
Humidity
31.8 km/h
Wind N
1022.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.16 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Castelo?
Temperature & Precipitation
PM2.55.16 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Castelo?
07-21
26.3° 16.0°
1.5 mm
07-22
21.4° 13.6°
1.06 mm
07-23
30.6° 14.9°
0.25 mm
07-24
27.1° 13.7°
0.06 mm
07-25
23.4° 15.4°
0.06 mm
07-26
28.4° 17.2°
0.62 mm
07-27
29.1° 15.5°
2.75 mm
Both models agree
Avg diff: 3.3°C
What cities are near Castelo?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:27 UTC.