City report · Tuscany, Italy
Florence Air quality today
Air quality in Florence currently reads AQI 23 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 23
Good
- PM2.5, fine particles (µg/m³)
- 4.1
- tree cover
- 25.8%
- trees in this area
- 79.5K
- more trees needed
- 12.9K
Measured across a 2 km radius around District 1, Florence, Metropolitan City of Florence, Italy (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Florence · AQI 23 (Good)
Florence's tree count comes to 79,513 trees across 12.33 km² of land, 4 points below the 30% tree-cover level considered healthy for this area, so roughly 12,944 more trees would close the gap.
Air quality detail
Air quality in Florence today: AQI 23, Good
Main pollutant: PM2.5 · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · AER10004, 4.9 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.1
PM10
4.9
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · Aernode
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Florence's daily AQI at 51 on average, from 36 on Nov 10 to an hourly peak of 99 on Nov 8.
Where Florence stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Florence: Below target
25.8% tree cover against a 30% healthy-neighborhood target, across 12.33 km² of land.
Trees in this area
79,513
Target trees
92,457
More trees needed
12,944
CO₂ if planted / yr
284.8 t
Deforestation · 2001–2025
How much forest has Florence lost?
Since 2001, the area within 10 km of Florence has lost about 365 hectares of forest (about 510 football pitches): 5.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 58 hectares (16%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 365 haabout 510 football pitches
- Share of its forest
- 5.1%of what there was in 2000
- Cleared for good
- 58 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 45 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | 4 ha | 4 ha |
| 2002 | 1 ha | 1 ha | 2 ha |
| 2003 | under 1 ha | 1 ha | 2 ha |
| 2004 | 2 ha | 4 ha | 6 ha |
| 2005 | 2 ha | 4 ha | 6 ha |
| 2006 | 7 ha | under 1 ha | 7 ha |
| 2007 | 4 ha | 4 ha | 7 ha |
| 2008 | 3 ha | 2 ha | 5 ha |
| 2009 | 4 ha | 5 ha | 9 ha |
| 2010 | 1 ha | 28 ha | 29 ha |
| 2011 | 2 ha | 3 ha | 5 ha |
| 2012 | under 1 ha | 10 ha | 11 ha |
| 2013 | under 1 ha | 11 ha | 12 ha |
| 2014 | 1 ha | 33 ha | 34 ha |
| 2015 | 3 ha | 11 ha | 14 ha |
| 2016 | 3 ha | 15 ha | 18 ha |
| 2017 | 3 ha | 17 ha | 20 ha |
| 2018 | 1 ha | 29 ha | 30 ha |
| 2019 | 3 ha | 21 ha | 24 ha |
| 2020 | 3 ha | 15 ha | 17 ha |
| 2021 | 1 ha | 13 ha | 14 ha |
| 2022 | 3 ha | 14 ha | 17 ha |
| 2023 | 4 ha | 40 ha | 45 ha |
| 2024 | under 1 ha | 11 ha | 12 ha |
| 2025 | 4 ha | 11 ha | 14 ha |
What is causing deforestation around Florence?
- Loggingcan grow back79% · 290 ha
- Towns and roadscleared for good9.5% · 35 ha
- Farms, pasture and plantationscleared for good6.3% · 23 ha
Also: unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 10,000 ha
- Forest in 2020
- 10,200 ha
- Overall change
- +131 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Florence stayed about the same size, at about 10,200 hectares: new forest grew on about 284 hectares, and about 153 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Florence
What is the air quality (AQI) in Florence right now?
The latest reading for Florence shows an AQI of 23 (Good), measured Nov 11, 17:00 local time by the AER10004 ground monitoring station, 4.9 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Florence today?
At AQI 23 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Florence been like this week?
Over the last 7 days, the CAMS air-quality model put Florence's daily AQI at 51 on average, from 36 on Nov 10 to an hourly peak of 99 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Florence lost since 2001?
Since 2001, the area within 10 km of Florence has lost about 365 hectares of forest (about 510 football pitches): 5.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 58 hectares (16%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Florence stayed about the same size, at about 10,200 hectares: new forest grew on about 284 hectares, and about 153 hectares were lost.
What is the tree count in Florence?
Florence has an estimated 79,513 trees across the 12.33 km² of land measured — 25.8% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Florence need?
Florence needs roughly 12,944 more trees to close a 4-point shortfall against its 30% tree-cover target — about 284.8 t of extra CO₂ absorbed per year once grown.
How are Florence's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near District 1, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around District 1; the tree count is an estimate derived from that cover.
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