Air Quality in Barreiro, Portugal

Windy
21.3°C · 55.9% humidity
21.3°
Feels 21.3°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated
35 1pm
35
35
54 4pm
49
45
42 7pm
40
39
38 10pm
17
16
16 1am
16
15
15 4am
15
15
15 7am
15
15
15 10am
15
15
Station readings 23h ago
AQI 15
PM2.5 3.6 µg/m³ · 23h ago
AD 728×90

Air Quality Index Trend

45h · 2 stn

Barreiro'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.

55.9%
Humidity
111.1 km/h
Wind NNW
1016.1 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.5 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Barreiro?

Temperature & Precipitation

PM2.5 Trend

45h · 2 stations
PM2.513.5 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250

What is the 7-day forecast for Barreiro?

09-05
26.0° 19.7°
09-06
25.1° 18.6°
09-07
26.6° 17.9°
09-08
24.7° 19.4°
1.69 mm
09-09
28.0° 18.1°
09-10
25.8° 20.1°
0.81 mm
09-11
23.5° 19.2°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Barreiro?

24
Laranjeiro, Almada, Portugal
7.4 km PM2.5: 5.8 µg/m³
19
Olivais, Lisboa, Portugal
12.2 km PM2.5: 4.6 µg/m³
35
Olivais, Lisboa, Portugal
12.2 km PM2.5: 8.4 µg/m³
27
Olivais, Lisboa, Portugal
12.2 km PM2.5: 6.5 µg/m³

What cities are near Barreiro?

54 Lavradio 45 Arrentela 45 Amora 63 Laranjeiro 54 Moita 45 Corroios 63 Piedade 63 Almada 63 Marvila 63 São Jorge de Arroios
Get AQI alerts for Barreiro

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 2026-09-05T15:06 UTC.