Air Quality in Castelo Branco, Portugal
Clear
26.9°C · 21.3% humidity
26.9°
Feels 26.9°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Castelo Branco's air quality — share it
AQI Forecast
54
1pm
54
54
35
4pm
40
44
47
7pm
49
50
51
10pm
52
53
53
1am
53
54
54
4am
54
54
54
7am
54
54
54
10am
66
54
Air Quality Index Trend
45h · 1 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.
21.3%
Humidity
13.0 km/h
Wind W
1013.1 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
8.51 µg/m³
PM10▲
48.05 µg/m³
050100150200300500
What is the weather forecast for Castelo Branco?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.58.51 µg/m³
✓ WHO
Good
PM1048.05 µg/m³
Good
UV INDEX7.9
Very High
What is the 7-day forecast for Castelo Branco?
09-05
32.1° 17.4°
2.69 mm
09-06
30.8° 18.9°
09-07
32.5° 12.6°
09-08
31.9° 19.9°
5.63 mm
09-09
34.5° 13.2°
09-10
34.3° 23.4°
0.06 mm
09-11
29.6° 18.1°
0.13 mm
Both models agree
Avg diff: 5.4°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 2026-09-05T15:06 UTC.