Air Quality in Castelo Branco, Portugal
Windy
17.6°C · 41.4% humidity
17.6°
Feels 17.6°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Castelo Branco's air quality — share it
AQI Forecast
54
3pm
54
54
17
6pm
22
25
28
9pm
30
31
32
12am
32
33
33
3am
33
34
34
6am
34
34
34
9am
34
34
34
12pm
27
27
Air Quality Index Trend
45h · 2 stnCastelo Branco's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
41.4%
Humidity
89.2 km/h
Wind WNW
1014.3 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.1 µg/m³
PM10▲
34.3 µg/m³
050100150200300500
What is the weather forecast for Castelo Branco?
Temperature & Precipitation
PM2.5 Trend
45h · 2 stationsPM2.54.1 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Castelo Branco?
05-30
23.3° 11.8°
0.06 mm
05-31
28.9° 13.2°
06-01
29.9° 15.4°
06-02
21.7° 10.6°
06-03
28.5° 18.1°
11.31 mm
06-04
24.3° 14.5°
06-05
30.1° 15.9°
0.13 mm
Both models agree
Avg diff: 5.3°C
What cities are near Castelo Branco?
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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 2026-05-30T17:23 UTC.