AddAir quality in Siena
Air quality index (AQI⁺) and PM2.5 air pollution in Siena • 9.1K Followers • 20:00, Oct 20 Local time
53*
US AQI⁺Moderate
Main pollutant:
PM2.5
10.4 µg/m³
18°
7 km/h
83 %
Hourly forecast
Siena air quality index (AQI⁺) forecast
Daily forecast
Siena air quality index (AQI⁺) forecast
| Today | 53 |  | 20° 10° |  15 km/h | 78% |
| Wed | 30 | | 19° 12° | 19 km/h | 82% |
| Thu | 21 | | 19° 10° | 16 km/h | 75% |
Air pollutants
What is the current air quality in Siena?
PM2.5 concentration is currently 2.1 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 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 |
Protect yourself from air pollution in Siena
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Filtration for air conditioners
A cut-to-fit filtration for air conditioning systems, LifeShield Lite helps reduce dust in the air conditioner while capturing indoor air pollutants.
Sustainable, smart air purifiers
Elegantly designed using sustainably sourced beech wood, the Atem Earth delivers medical-grade filtration by capturing ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Siena today?
Index
None
 Tree None | 0% |
 Grass None | 0% |
 Weed None | 0% |
Source:
Open-Meteo.comHealth recommendations
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 |
Pollen
What is the pollen count in Siena today?
Index
None
Tree None | 0% |
Grass None | 0% |
Weed None | 0% |
Source:
Open-Meteo.comProtect yourself from air pollution in Siena
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Filtration for air conditioners
A cut-to-fit filtration for air conditioning systems, LifeShield Lite helps reduce dust in the air conditioner while capturing indoor air pollutants.
Sustainable, smart air purifiers
Elegantly designed using sustainably sourced beech wood, the Atem Earth delivers medical-grade filtration by capturing ultrafine particles with HyperHEPA technology.
Most polluted locations near Siena
Worldwide AQI⁺ ranking
Historic air quality near Siena
History
Historic air quality graph for Siena
Historic air quality near Siena
History
Historic air quality graph for Siena
Most polluted locations near Siena
Worldwide AQI⁺ ranking
