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
1.7K 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 | Scattered clouds |
| Temperature | 51.8°F |
| Humidity | 85% |
| Wind | 11.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Portugal city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Lisbon, Lisbon | 17 |
(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 | 33 |
(local time)
SEE WORLD AQI RANKING
US AQI
33
live AQI index
Good
Overview
What is the current air quality in Leiria?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 33 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| O3 | 82µg/m³ | |
| NO2 | 0µg/m³ | |
| SO2 | 3µg/m³ | |
Health Recommendations
What is the current air quality in Leiria?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Leiria air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 33 AQI US |  50% | 59° 51.8° |  13.4 mp/h |
| Thursday, May 16 | Good 23 AQI US | 80% | 60.8° 53.6° | 11.2 mp/h |
| Friday, May 17 | Good 19 AQI US | 80% | 60.8° 55.4° | 11.2 mp/h |
| Saturday, May 18 | Good 30 AQI US | 40% | 60.8° 53.6° | 13.4 mp/h |
| Sunday, May 19 | Moderate 75 AQI US  | 20% | 60.8° 55.4° | 13.4 mp/h |
| Monday, May 20 | Moderate 68 AQI US | | 62.6° 55.4° | 13.4 mp/h |
| Tuesday, May 21 | Moderate 69 AQI US |  | 64.4° 55.4° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Leiria?
AQI US, Metric