Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Santo Tirso
Air quality index (AQI) and PM2.5 air pollution in Santo Tirso
239 people follow this city
Santo Tirso Air Quality Map
Real-time Santo Tirso air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Santo Tirso today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Santo Tirso?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 51% |
| Wind | 6 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Portugal city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lisbon, Lisbon | 46 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in Santo Tirso?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.6*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Santo Tirso is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Santo Tirso?
 | 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
Santo Tirso air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 54 AQI US | | 73.4° 48.2° |  4.5 mp/h |
| Wednesday, May 8 | Good 33 AQI US  | | 78.8° 57.2° | 8.9 mp/h |
| Thursday, May 9 | Good 34 AQI US | | 78.8° 59° | 4.5 mp/h |
| Friday, May 10 | Moderate 58 AQI US |  40% | 80.6° 59° | 6.7 mp/h |
| Saturday, May 11 | Moderate 60 AQI US | 70% | 77° 59° | 8.9 mp/h |
| Sunday, May 12 | Moderate 65 AQI US | | 71.6° 55.4° | 8.9 mp/h |
| Monday, May 13 | Good 46 AQI US | 100% | 59° 51.8° | 13.4 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 Santo Tirso?
No locations are available.
AQI US, Metric