AQI PM2.5 PM10 CO SO2 NO2 O3

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Siena Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Tuscany

Last Updated: 2025-06-06 01:24:46 AM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 13 µg/m³

PM2.5 : 6 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

20 °C

Last Updated: 2025-06-06 01:24:46 AM (Local Time)

Map

Siena

Major Air Pollutants
Siena

Particulate Matter(PM2.5)

6µg/m³

Particulate Matter(PM10)

13µg/m³

Carbon Monoxide(CO)

43ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

7ppb

Ozone(O3)

24ppb

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AQI Graph

Historical Air Quality Data
Siena

24 Hours

AQI

Siena

Want air quality data?

AQI Trends - Annual Air Quality Changes
Siena, Tuscany, Italy

AQI

Year

AQI

Annual AQI Trends

2020

39AQI

2021

40AQI

Rise

2022

46AQI

15%

Rise

2023

50AQI

Rise

2024

41AQI

-18%

Fall

2025

45AQI

10%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedFebruary, 202566AQI

Least PollutedMay, 202125AQI

* This data analysis is from year 2020 - 2025

Siena's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Poggibonsi

Good

Ussr

Good

Italy's Metro Cities
Air Quality Index

Bologna

Florence

Genoa

Milan

Naples

Rome

Turin

Air Quality Calendar 2025
Siena

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 90	2 Jan 69	3 Jan 76	4 Jan 81
5 Jan 82	6 Jan 69	7 Jan 63	8 Jan 79	9 Jan 60	10 Jan 47	11 Jan 45
12 Jan 39	13 Jan 41	14 Jan 44	15 Jan 48	16 Jan 45	17 Jan 48	18 Jan 58
19 Jan 54	20 Jan 52	21 Jan 54	22 Jan 60	23 Jan 59	24 Jan 55	25 Jan 55
26 Jan 49	27 Jan 48	28 Jan 42	29 Jan 38	30 Jan 33	31 Jan 38	1 Feb 40

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 49	27 Jan 48	28 Jan 42	29 Jan 38	30 Jan 33	31 Jan 38	1 Feb 40
2 Feb 43	3 Feb 50	4 Feb 49	5 Feb 51	6 Feb 53	7 Feb 52	8 Feb 50
9 Feb 49	10 Feb 57	11 Feb 55	12 Feb 56	13 Feb 53	14 Feb 50	15 Feb 55
16 Feb 54	17 Feb 56	18 Feb 58	19 Feb 57	20 Feb 56	21 Feb 57	22 Feb 63
23 Feb 84	24 Feb 116	25 Feb 142	26 Feb 146	27 Feb 117	28 Feb 66	1 Mar 43

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 84	24 Feb 116	25 Feb 142	26 Feb 146	27 Feb 117	28 Feb 66	1 Mar 43
2 Mar 41	3 Mar 44	4 Mar 47	5 Mar 49	6 Mar 51	7 Mar 56	8 Mar 54
9 Mar 54	10 Mar 53	11 Mar 51	12 Mar 43	13 Mar 41	14 Mar 46	15 Mar 45
16 Mar 39	17 Mar 40	18 Mar 39	19 Mar 36	20 Mar 42	21 Mar 48	22 Mar 51
23 Mar 45	24 Mar 37	25 Mar 39	26 Mar 40	27 Mar 37	28 Mar 38	29 Mar 41
30 Mar 31	31 Mar 32	1 Apr 31	2 Apr 32	3 Apr 36	4 Apr 41	5 Apr 39

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 31	31 Mar 32	1 Apr 31	2 Apr 32	3 Apr 36	4 Apr 41	5 Apr 39
6 Apr 39	7 Apr 38	8 Apr 40	9 Apr 39	10 Apr 45	11 Apr 46	12 Apr 43
13 Apr 44	14 Apr 38	15 Apr 34	16 Apr 37	17 Apr 33	18 Apr 27	19 Apr 25
20 Apr 26	21 Apr 24	22 Apr 32	23 Apr 34	24 Apr 28	25 Apr 28	26 Apr 27
27 Apr 25	28 Apr 28	29 Apr 33	30 Apr 34	1 May 38	2 May 42	3 May 43

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 25	28 Apr 28	29 Apr 33	30 Apr 34	1 May 38	2 May 42	3 May 43
4 May 40	5 May 31	6 May 24	7 May 25	8 May 25	9 May 26	10 May 28
11 May 29	12 May 30	13 May 30	14 May 29	15 May 32	16 May 26	17 May 25
18 May 29	19 May 30	20 May 32	21 May 34	22 May 27	23 May 24	24 May 26
25 May 27	26 May 32	27 May 34	28 May 32	29 May 26	30 May 25	31 May 28

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 31	2 Jun 32	3 Jun 32	4 Jun 34	5 Jun -	6 Jun -	7 Jun -
8 Jun -	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Siena

0Cigarettes per day

Weekly 0 Cigarettes

Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Prevent Health Problems: Understand Your Risks

Siena

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

Keep track of air quality to plan outdoor activities safely.
Drink water to keep airways moist and reduce irritation.
Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

Skip medications that is prescribed by your doctor.
Engage in outdoor activities in early morning during high pollen hours.

Most Polluted Cities 2025
Italy

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Sesto San Giovanni, Italy

Napoli, Italy

Novara, Italy

Genoa, Italy

Benevento, Italy

Udine, Italy

Florence, Italy

Turin, Italy

Naples, Italy

10.

Ravenna, Italy

Good

3xabove Standard

Last Updated: 05 Jun 2025, 11:32 PM

AQI City Rankings

Air Quality Solutions For Siena
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Siena

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Siena

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Siena

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Siena

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Siena's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Siena

Frequently Asked Questions About Air Quality

What is the current AQI level in Siena?

The current real-time AQI level in Siena is 34 (Good). This was last updated 2025-06-06 01:24:46 AM (Local Time).

When was the best AQI level in Siena in the last 24 hours?

The best AQI level was 31 (Good) at 3:09 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Siena in the last 24 hours?

The worst AQI level was 43 (Good) at 7:09 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Siena during last 24 hours?

The AQI levels in Siena have been fluctuating throughout the last 24 hours. The levels have increased by highest 43 at 7:09 AM (Local Time), lowest 31 at 3:09 PM (Local Time).

What actions are recommended as per the current AQI level in Siena?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.