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 Siena
Air quality index (AQI) and PM2.5 air pollution in Siena
1.6K people follow this city
Siena Air Quality Map
Real-time Siena air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Siena today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Siena?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 62% |
| Wind | 8 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Italy city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Piacenza, Emilia-Romagna | 73 |
| 2 | Vicenza, Veneto | 68 |
| 3 | Naples, Campania | 65 |
| 4 | Rome, Latium | 65 |
| 5 | Ravenna, Emilia-Romagna | 59 |
| 6 | Falconara Marittima, The Marches | 53 |
| 7 | Bergamo, Lombardy | 42 |
| 8 | Bolzano-Bozen, Trentino-Alto Adige | 42 |
| 9 | Brescia, Lombardy | 39 |
| 10 | Milano, Lombardy | 30 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
22*
live AQI index
Good
Overview
What is the current air quality in Siena?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 22* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.4*µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Siena is currently 1.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Siena?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Siena air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 22 AQI US |  90% | 57.2° 41° |  8.9 mp/h |
| Saturday, Apr 27 | Good 44 AQI US | 40% | 62.6° 44.6° | 8.9 mp/h |
| Sunday, Apr 28 | Moderate 52 AQI US  | | 69.8° 46.4° | 4.5 mp/h |
| Monday, Apr 29 | Moderate 54 AQI US |  | 73.4° 48.2° | 4.5 mp/h |
| Tuesday, Apr 30 | Moderate 56 AQI US | 80% | 75.2° 51.8° | 6.7 mp/h |
| Wednesday, May 1 | Moderate 57 AQI US | 100% | 55.4° 51.8° | 2.2 mp/h |
| Thursday, May 2 | Moderate 60 AQI US | 100% | 57.2° 50° | 4.5 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Siena?
No locations are available.
AQI US, Metric