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Air quality in Siena
Air quality index (AQI) and PM2.5 air pollution in Siena
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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 | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Siena?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 89% |
| Wind | 3.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Italy city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Naples, Campania | 88 |
| 2 | Falconara Marittima, The Marches | 68 |
| 3 | Rome, Latium | 68 |
| 4 | Milano, Lombardy | 57 |
| 5 | Vicenza, Veneto | 57 |
| 6 | Bergamo, Lombardy | 51 |
| 7 | Bolzano-Bozen, Trentino-Alto Adige | 45 |
| 8 | Padova, Veneto | 45 |
| 9 | Pavia, Lombardy | 36 |
| 10 | Pignataro Maggiore, Campania | 35 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
47*
live AQI index
Good
Overview
What is the current air quality in Siena?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 47* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.5*µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Siena is currently 2.3 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 |
|---|---|---|---|---|
| Thursday, May 2 | Good 41 AQI US |  100% | 62.6° 51.8° |  13.4 mp/h |
| Friday, May 3 | Good 19 AQI US | 100% | 53.6° 44.6° | 11.2 mp/h |
| Saturday, May 4 | Good 9 AQI US | 90% | 57.2° 44.6° | 8.9 mp/h |
| Sunday, May 5 | Good 12 AQI US | | 62.6° 44.6° | 8.9 mp/h |
| Monday, May 6 | Good 13 AQI US | 20% | 62.6° 44.6° | 6.7 mp/h |
| Tuesday, May 7 | Good 16 AQI US | 30% | 68° 46.4° | 8.9 mp/h |
| Wednesday, May 8 | Good 16 AQI US | 90% | 68° 50° | 6.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Siena?
No locations are available.
AQI US, Metric