City report · Tuscany, Italy
Pisa Air quality today
Air quality in Pisa currently reads AQI 118 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 118
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 47.4
- tree cover
- 19.0%
- trees in this area
- 58.3K
- more trees needed
- 49.1K
Measured across a 2 km radius around Pisa, Province of Pisa, Italy (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Pisa · AQI 118 (Unhealthy for sensitive groups)
Pisa's tree count comes to 58,258 trees across 12.27 km² of land, 16 points below the 35% tree-cover level considered healthy for this area, so roughly 49,059 more trees would close the gap.
Air quality detail
Air quality in Pisa today: AQI 118, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 85 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 85 km, e.g. Prato and Florence
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
47.4
PM10
23.6
NO₂
18.8
O₃
30.0
SO₂
0.7
CO
298.0
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Pisa's daily AQI at 57 on average, from 41 on Nov 10 to an hourly peak of 91 on Nov 8.
Where Pisa stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Pisa: Critically low
19.0% tree cover against a 35% healthy-neighborhood target, across 12.27 km² of land.
Trees in this area
58,258
Target trees
107,317
More trees needed
49,059
CO₂ if planted / yr
1,079 t
Deforestation · 2001–2025
How much forest has Pisa lost?
Since 2001, the area within 10 km of Pisa has lost about 539 hectares of forest (about 750 football pitches): 7.7% of the forest it had in 2000. The biggest cause was logging (49%), after which forest can grow back. About 105 hectares (19%) 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 east of the city center.
- Forest lost since 2001
- 539 haabout 750 football pitches
- Share of its forest
- 7.7%of what there was in 2000
- Cleared for good
- 105 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 93 hectares of forest were lost, mostly to wildfires.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | 3 ha | 3 ha |
| 2002 | under 1 ha | 2 ha | 2 ha |
| 2003 | 3 ha | under 1 ha | 3 ha |
| 2004 | 14 ha | 9 ha | 23 ha |
| 2005 | 5 ha | 4 ha | 9 ha |
| 2006 | 8 ha | 12 ha | 20 ha |
| 2007 | 6 ha | 9 ha | 15 ha |
| 2008 | 9 ha | 22 ha | 31 ha |
| 2009 | 2 ha | 43 ha | 45 ha |
| 2010 | 2 ha | 91 ha | 93 ha |
| 2011 | 2 ha | 22 ha | 24 ha |
| 2012 | 18 ha | 31 ha | 48 ha |
| 2013 | under 1 ha | 21 ha | 22 ha |
| 2014 | under 1 ha | 14 ha | 15 ha |
| 2015 | 8 ha | 4 ha | 12 ha |
| 2016 | 6 ha | 16 ha | 22 ha |
| 2017 | 2 ha | 11 ha | 13 ha |
| 2018 | 2 ha | 30 ha | 32 ha |
| 2019 | 3 ha | 43 ha | 46 ha |
| 2020 | 2 ha | 2 ha | 3 ha |
| 2021 | under 1 ha | 18 ha | 18 ha |
| 2022 | 3 ha | 8 ha | 12 ha |
| 2023 | 2 ha | 6 ha | 8 ha |
| 2024 | 1 ha | 11 ha | 12 ha |
| 2025 | 6 ha | 3 ha | 10 ha |
What is causing deforestation around Pisa?
- Loggingcan grow back49% · 263 ha
- Wildfirescan grow back28% · 152 ha
- Towns and roadscleared for good13% · 69 ha
Also: farms, pasture and plantations, storms, floods and other natural causes, 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
- 7,670 ha
- Forest in 2020
- 7,690 ha
- Overall change
- +15 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Pisa stayed about the same size, at about 7,690 hectares: new forest grew on about 222 hectares, and about 207 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 Pisa
What is the air quality (AQI) in Pisa right now?
The latest reading for Pisa shows an AQI of 118 (Unhealthy for sensitive groups), observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 85 km, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Pisa today?
At AQI 118 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Pisa been like this week?
Over the last 7 days, the CAMS air-quality model put Pisa's daily AQI at 57 on average, from 41 on Nov 10 to an hourly peak of 91 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 Pisa lost since 2001?
Since 2001, the area within 10 km of Pisa has lost about 539 hectares of forest (about 750 football pitches): 7.7% of the forest it had in 2000. The biggest cause was logging (49%), after which forest can grow back. About 105 hectares (19%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Pisa stayed about the same size, at about 7,690 hectares: new forest grew on about 222 hectares, and about 207 hectares were lost.
What is the tree count in Pisa?
Pisa has an estimated 58,258 trees across the 12.27 km² of land measured — 19.0% tree cover, 16 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Pisa need?
Pisa needs roughly 49,059 more trees to close a 16-point shortfall against its 35% tree-cover target — about 1,079 t of extra CO₂ absorbed per year once grown.
How are Pisa's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Pisa; the tree count is an estimate derived from that cover.
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