What is the air quality in Leiria today?

The current Air Quality Index (AQI) in Leiria is 43 (Good). PM2.5 concentration is 10.29 µg/m³.

What is the temperature in Leiria right now?

The current temperature in Leiria is 15.7°C (feels like 15.7°C). Humidity is 64.9% and wind speed is 84.0 km/h.

Is it safe to go outside in Leiria?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 5.9 (High).

Air Quality in Leiria, Portugal

Windy

15.7°C · 64.9% humidity

15.7°

Feels 15.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

54 4pm

43 7pm

23 10pm

26 1am

26 4am

27 7am

27 10am

34 1pm

Air Quality Index Trend

37h · 1 stn

View full history →

Leiria'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.

64.9%

Humidity

84.0 km/h

Wind NNW

1018.6 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.29 µg/m³

PM10

34.3 µg/m³

050100150200300500

What is the weather forecast for Leiria?

Temperature & Precipitation

PM2.5 Trend

37h · 1 station

PM2.510.29 µg/m³ ✓ WHO

Good

PM1034.3 µg/m³

Good

UV INDEX5.9

High

Both models agree Avg diff: 1.8°C

Where are air quality stations near Leiria?

Ervedeira, Leiria

21.4 km PM2.5: 7.0 µg/m³ PM10: 25.0 µg/m³

What cities are near Leiria?

40 Marinha Grande 52 Pombal 35 Alcobaça 36 Monsanto 36 Torres Novas 35 Tomar 36 Entroncamento 61 Figueira da Foz 29 Caldas da Rainha 59 Condeixa-a-Nova

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-05-30T18:11 UTC.