Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Leiria
Air quality index (AQI) and PM2.5 air pollution in Leiria
1.6K people follow this city
Leiria Air Quality Map
Real-time Leiria air pollution map
Pollen
What is the pollen count in Leiria today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Leiria?
| Weather | Broken clouds |
| Temperature | 46.4°F |
| Humidity | 94% |
| Wind | 18.6 mp/h |
| Pressure | 29.5 Hg |
live aqi city ranking
Real-time Portugal city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lisbon, Lisbon | 41 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Leiria aqi ranking
Real-time Leiria air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Ervedeira | 85 |
(local time)
SEE WORLD AQI RANKING
US AQI
87*
live AQI index
Moderate
Overview
What is the current air quality in Leiria?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 87* US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.6*µg/m³ | |
| O3 | 212*µg/m³ | |
| NO2 | 0*µg/m³ | |
| SO2 | 2.1*µg/m³ | |
✓
PM2.5 concentration in Leiria air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Leiria?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Leiria air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 87 AQI US |  100% | 57.2° 46.4° |  20.1 mp/h |
| Sunday, Apr 28 | Good 13 AQI US  | 60% | 57.2° 48.2° | 15.7 mp/h |
| Monday, Apr 29 | Good 18 AQI US | | 57.2° 50° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 14 AQI US | 100% | 59° 53.6° | 13.4 mp/h |
| Wednesday, May 1 | Good 6 AQI US | 90% | 55.4° 51.8° | 15.7 mp/h |
| Thursday, May 2 | Good 5 AQI US | 90% | 59° 50° | 15.7 mp/h |
| Friday, May 3 | Good 12 AQI US | 100% | 57.2° 53.6° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Leiria?
AQI US, Metric