Florence: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Florence
Pollution and air quality forecast for Florence. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Florence:
  1. particulate matter (PM2.5) dust - 9 (Good)
  2. particulate matter (PM10) suspended dust - 14 (Good)
  3. ozone (O3) - 47 (Good)
  4. nitrogen dioxide (NO2) - 8 (Good)
  5. sulfur dioxide (SO2) - 0 (Good)
  6. carbon monoxide (CO) - 149 (Good)
Real-time Air Quality Index (AQI) for Florence, Thursday, August 27, 2026: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Florence today? Is the air polluted in Florence?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Florence.


What is the current level of PM2.5 in Florence? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 9 (Good) For comparison, the highest level of PM2.5 in Florence in the last 7 days was: 12 (Thursday, August 27, 2026) and the lowest: 5 (Sunday, August 23, 2026).

What is the level of PM10 today in Florence? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Florence is: 14 (Good)

How is the O3 level today in Florence? (ozone (O3))
47 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
8 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
0 (Good)

How high is the CO level? (carbon monoxide (CO))
149 (Good)



Current data Thursday, August 27, 2026 at 3:00 AM

PM2,5 9 (Good)

PM10 14 (Good)

O3 47 (Good)

NO2 8 (Good)

SO2 0 (Good)

CO 149 (Good)

Data on air pollution from recent days in Florence

index 2026-08-27 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20
pm25 12
Good
8
Good
7
Good
7
Good
5
Good
5
Good
8
Good
9
Good
pm10 25
Moderate
14
Good
11
Good
11
Good
10
Good
10
Good
11
Good
15
Good
o3 73
Moderate
67
Good
72
Moderate
74
Moderate
70
Moderate
73
Moderate
66
Good
77
Moderate
no2 7
Good
7
Good
5
Good
6
Good
6
Good
4
Good
5
Good
4
Good
so2 0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
co 145
Good
135
Good
138
Good
158
Good
161
Good
142
Good
136
Good
152
Good
data source »

Quality of life in Florence

Green and Parks in the City

Florence 70%

San Marino: 75% Croatia: 73% Bosnia and Herzegovina: 54% Slovenia: 87% Albania: 37%

particulate matter PM2.5

Florence 15 (Moderate)

Pleasure of spending time in the city

Florence 65%

San Marino: 100% Croatia: 81% Bosnia and Herzegovina: 53% Slovenia: 88% Albania: 40%

particulate matter PM10

Florence 22 (Moderate)

Air Pollution

Florence 47%

San Marino: 6.8% Croatia: 29% Bosnia and Herzegovina: 62% Slovenia: 26% Albania: 69%

Garbage Disposal

Florence 56%

Croatia: 58% Bosnia and Herzegovina: 49% Slovenia: 87% Albania: 33%

Availability and quality of drinking water

Florence 73%

San Marino: 100% Croatia: 86% Bosnia and Herzegovina: 71% Slovenia: 96% Albania: 33%

Cleanliness and tidiness

Florence 58%

San Marino: 75% Croatia: 68% Bosnia and Herzegovina: 50% Slovenia: 87% Albania: 36%

Noise and Light pollution

Florence 46%

San Marino: 75% Croatia: 34% Bosnia and Herzegovina: 38% Slovenia: 37% Albania: 53%

Water Pollution

Florence 37%

San Marino: 0% Croatia: 25% Bosnia and Herzegovina: 45% Slovenia: 17% Albania: 68%
Source: Numbeo


Florence

Thursday, August 27, 2026 at 3:00 AM

PM2,5 9 (Good)

particulate matter (PM2.5) dust

PM10 14 (Good)

particulate matter (PM10) suspended dust

O3 47 (Good)

ozone (O3)

NO2 7.9 (Good)

nitrogen dioxide (NO2)

SO2 0.4 (Good)

sulfur dioxide (SO2)

CO 149 (Good)

carbon monoxide (CO)

Florence

index 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26 2026-08-27
pm25 9.3 7.8 4.9 5.1 7.2 7.4 8.2 12
pm10 15 11 10 9.7 11 11 14 25
o3 77 66 73 70 74 72 67 73
no2 3.8 5.5 3.6 6.3 5.5 4.7 6.7 7
so2 0.28 0.27 0.33 0.39 0.37 0.36 0.41 0.5
co 152 136 142 161 158 138 135 145

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Italy

🌦️ WEATHER · 16-DAY FORECASTItaly☀️32°Clear skyToday · ↑33° ↓24°💨 5 km/h · 💧 26%Mon24.08☀️33°24°Tue25.08🌧️32°26°Wed26.08☁️34°24°Thu27.08☁️36°23°Fri28.08🌤️40°26°Sat29.08☁️35°26°Sun30.08🌤️35°25°Mon31.08☀️35°26°Tue1.09☀️37°24°Wed2.09☁️32°25°Thu3.09🌤️35°24°Fri4.09☀️34°24°Sat5.09☀️33°23°Sun6.09☀️33°22°Mon7.09🌤️34°23°Tue8.09☁️33°23°pollution-alert.com · August 27, 2026

16-day weather forecast for Italy: today around 33°C (clear sky), lows near 24°C. Daily temperature and conditions, updated every day. Strong wind (about 18 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Italy

☀️ UV INDEX · 16-DAY FORECASTItaly03681111+7.1UV HIGHtoday, day maxSPF 30-50, hat and sunglasses are a must. Better tostay in the shade 11:00-15:00.⏱ Unprotected fair skin can burn in about 30 min7Wed26.087Thu27.087Fri28.087Sat29.087Sun30.087Mon31.087Tue1.096Wed2.097Thu3.097Fri4.097Sat5.097Sun6.097Mon7.097Tue8.096Wed9.096Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Italy today is 7.1 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Florence — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Florence today?
The current average PM2.5 across Florence is about 9 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Florence?
Right now PM2.5 in Florence averages about 9 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Florence?
Over the past week, the highest daily PM2.5 in Florence was recorded on Thursday, August 27 (about 12 µg/m³).
What is the UV index in Florence today?
The UV index in Florence today is 7.1 (high) — unprotected fair skin can burn in about 30 minutes.
Does today's wind help disperse smog in Florence?
Strong wind (about 18 km/h) is actively clearing smog and dust away.
How is air quality measured?
Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.