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 Porto
Air quality index (AQI) and PM2.5 air pollution in Porto
7.5K people follow this city
Porto Air Quality Map
Real-time Porto air pollution map
AIR QUALITY DATA CONTRIBUTORS
Agência Portuguesa do Ambiente
See all
Pollen
What is the pollen count in Porto today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Porto?
| Weather | Clear sky |
| Temperature | 73.4°F |
| Humidity | 40% |
| Wind | 16.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Portugal city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Lisbon, Lisbon | 49 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Porto aqi ranking
Real-time Porto air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Sobreiras - Lordelo do Ouro | 33 |
(local time)
SEE WORLD AQI RANKING
US AQI
34
live AQI index
Good
Overview
What is the current air quality in Porto?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 34 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6µg/m³ | |
| O3 | 83µg/m³ | |
| NO2 | 10µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Porto is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Porto?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Porto air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 31 AQI US |  | 69.8° 59° |  20.1 mp/h |
| Thursday, May 30 | Good 40 AQI US |  | 71.6° 60.8° | 17.9 mp/h |
| Friday, May 31 | Good 43 AQI US | | 75.2° 64.4° | 8.9 mp/h |
| Today | Good 34 AQI US | | 75.2° 62.6° | 13.4 mp/h |
| Sunday, Jun 2 | Good 23 AQI US | | 75.2° 60.8° | 15.7 mp/h |
| Monday, Jun 3 | Good 47 AQI US | | 73.4° 64.4° | 11.2 mp/h |
| Tuesday, Jun 4 | Moderate 65 AQI US  | | 69.8° 62.6° | 6.7 mp/h |
| Wednesday, Jun 5 | Moderate 69 AQI US |  | 68° 60.8° | 6.7 mp/h |
| Thursday, Jun 6 | Moderate 75 AQI US | 40% | 64.4° 59° | 8.9 mp/h |
| Friday, Jun 7 | Moderate 80 AQI US | 100% | 68° 62.6° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Porto air quality data attribution
1Contributor
- Agência Portuguesa do Ambiente
1 station
Government Contributor
2 Data sources
Where is the cleanest air quality in Porto?
AQI US, Metric