Air Quality in Barreiro, Portugal

Windy
17.4°C · 59.3% humidity
17.4°
Feels 17.4°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 3pm
54
54
30 6pm
37
42
25 9pm
21
22
24 12am
25
25
26 3am
26
26
27 6am
27
27
34 9am
34
34
34 12pm
34
54
AD 728×90

Air Quality Index Trend

48h · 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.

59.3%
Humidity
107.0 km/h
Wind NW
1018.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
30
7.24 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.57.24 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
7.24
Median
6.85
Average
6.0
Low
7.7
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +6.3
05-30
19.4° 16.2°
0.06 mm
05-31
21.3° 16.3°
06-01
22.9° 16.2°
06-02
19.3° 14.9°
0.5 mm
06-03
23.9° 18.1°
0.75 mm
06-04
21.5° 17.0°
06-05
25.7° 17.2°
Get AQI alerts for Barreiro

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

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.