Air Quality in Castelo Branco, Portugal
Windy
34.8°C · 18.4% humidity
34.8°
Feels 34.8°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Castelo Branco's air quality — share it
AQI Forecast
27
3am
27
27
13
6am
17
20
22
9am
23
51
52
12pm
65
65
65
3pm
66
54
54
6pm
54
34
27
9pm
27
27
25
12am
25
25
Air Quality Index Trend
32h · 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.
18.4%
Humidity
64.1 km/h
Wind SW
1011.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Castelo Branco?
Temperature & Precipitation
PM2.5 Trend
32h · 2 stationsPM2.53.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Castelo Branco?
08-03
38.2° 13.5°
08-04
34.9° 14.1°
08-05
37.0° 19.9°
08-06
37.4° 14.0°
08-07
34.8° 13.0°
08-08
35.3° 17.2°
08-09
32.1° 18.3°
Both models agree
Avg diff: 3.5°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 2026-08-08T05:07 UTC.