City report · Italy
Cagliari Air quality today
Air quality in Cagliari currently reads AQI 43 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 43
Good
- PM2.5, fine particles (µg/m³)
- 6.6
- tree cover
- 12.7%
- trees in this area
- 39.1K
- more trees needed
- 53.2K
Measured across a 2 km radius around Cagliari, Metropolitan City of Cagliari, Italy (12.57 km²), from a satellite image of Sep 16, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Cagliari · AQI 43 (Good)
Cagliari's tree count comes to 39,060 trees across 12.31 km² of land, 17 points below the 30% tree-cover level considered healthy for this area, so roughly 53,208 more trees would close the gap.
Air quality detail
Air quality in Cagliari today: AQI 43, Good
Main pollutant: PM2.5 · Observed Nov 10, 14:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
6.6
PM10
11.6
NO₂
3.0
O₃
61.0
SO₂
1.1
CO
122.0
- 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 Cagliari's daily AQI at 35 on average, from 28 on Nov 4 to an hourly peak of 57 on Nov 6.
Where Cagliari stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Cagliari: Critically low
12.7% tree cover against a 30% healthy-neighborhood target, across 12.31 km² of land.
Trees in this area
39,060
Target trees
92,268
More trees needed
53,208
CO₂ if planted / yr
1,171 t
Deforestation · 2001–2025
How much forest has Cagliari lost?
Since 2001, the area within 10 km of Cagliari has lost about 3 hectares of forest (about 5 football pitches): 1.3% of the forest it had in 2000. Most of it (63%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 3 haabout 5 football pitches
- Share of its forest
- 1.3%of what there was in 2000
- Cleared for good
- 2 hadeforestation: turned into farms, mines or towns
The worst year was 2015, when about 1 hectare 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 | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | 1 ha | under 1 ha | 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Cagliari?
- Farms, pasture and plantationscleared for good56% · 2 ha
- Towns and roadscleared for good6.3% · under 1 ha
- Unknown causescause unknown37% · 1 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Cagliari
Same 2 km radius, same index — so they compare directly.
- Bizerte227.3 km
Tunisia
- Tree cover
- 4%
- Air quality
- 60
- Sukrah279.7 km
Tunisia
- Tree cover
- 10%
- Air quality
- 74
- Tunis283.4 km
Tunisia
- Tree cover
- 12%
- Air quality
- 69
- Annaba284.9 km
Algeria
- Tree cover
- 11%
- Air quality
- 52
- Sīdī Ḥusayn288.8 km
Tunisia
- Tree cover
- 4%
- Air quality
- 58
- El Mourouj295.7 km
Tunisia
- Tree cover
- 2%
- Air quality
- 69
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Frequently asked
Questions about Cagliari
What is the air quality (AQI) in Cagliari right now?
The latest reading for Cagliari shows an AQI of 43 (Good), observed Nov 10, 14:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Cagliari today?
At AQI 43 (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 Cagliari been like this week?
Over the last 7 days, the CAMS air-quality model put Cagliari's daily AQI at 35 on average, from 28 on Nov 4 to an hourly peak of 57 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Cagliari lost since 2001?
Since 2001, the area within 10 km of Cagliari has lost about 3 hectares of forest (about 5 football pitches): 1.3% of the forest it had in 2000. Most of it (63%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
What is the tree count in Cagliari?
Cagliari has an estimated 39,060 trees across the 12.31 km² of land measured — 12.7% tree cover, 17 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Cagliari need?
Cagliari needs roughly 53,208 more trees to close a 17-point shortfall against its 30% tree-cover target — about 1,171 t of extra CO₂ absorbed per year once grown.
How are Cagliari'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 Cagliari; the tree count is an estimate derived from that cover.
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