Air Quality in Leiria, Portugal
Overcast
17.6°C · 94.7% humidity
17.6°
Feels 17.6°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
AQI Forecast
54
4am
54
54
54
7am
54
54
54
10am
34
34
34
1pm
34
34
34
4pm
34
34
34
7pm
34
34
34
10pm
34
34
34
1am
34
34
Air Quality Index Trend
35h · 1 stnLeiria'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.
94.7%
Humidity
24.6 km/h
Wind NE
1018.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.5 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Leiria?
Temperature & Precipitation
PM2.5 Trend
35h · 1 stationPM2.513.5 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Leiria?
07-22
20.1° 17.6°
0.06 mm
07-23
20.3° 18.5°
1.44 mm
07-24
19.4° 17.7°
07-25
19.8° 18.1°
0.06 mm
07-26
19.7° 16.9°
07-27
20.1° 18.1°
0.13 mm
07-28
21.2° 18.5°
0.13 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Leiria?
What cities are near Leiria?
Get AQI alerts for Leiria
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 2026-07-22T06:43 UTC.