Air quality in Siena
Air quality index (AQI⁺) and PM2.5 air pollution in Siena • 8.9K Followers • 23:00, Aug 13 Local time
52*
US AQI⁺Moderate
Main pollutant:
PM2.5
9.9 µg/m³
26°
3 km/h
40 %
Hourly forecast
Siena air quality index (AQI⁺) forecast
Daily forecast
Siena air quality index (AQI⁺) forecast
| Today | 52 | 37° 20° | 14 km/h | 34% | |
| Sat | 55 | 37° 22° | 20 km/h | 29% | |
| Sun | 59 | 36° 21° | 16 km/h | 33% |
Air pollutants
What is the current air quality in Siena?
PM2.5 concentration is currently 2 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 |
Pollen
What is the pollen count in Siena today?
Index
Low
Tree None | 0% |
Grass Low | 25% |
Weed Low | 25% |
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
Low
Tree None | 0% |
Grass Low | 25% |
Weed Low | 25% |
Source:
Open-Meteo.comMost polluted locations near Siena
Worldwide AQI⁺ rankingHistoric air quality near Siena
History
Historic air quality graph for Siena
Historic air quality near Siena
History
Historic air quality graph for Siena












