City report · Friuli Venezia Giulia, Italy
Udine Air quality today
Air quality in Udine currently reads AQI 99 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 99
Moderate
- PM2.5, fine particles (µg/m³)
- 34.6
- tree cover
- 23.6%
- trees in this area
- 74.1K
- more trees needed
- 20.1K
Measured across a 2 km radius around 33100 Udine, Province of Udine, Italy (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Udine · AQI 99 (Moderate)
Udine's tree count comes to 74,142 trees across 12.57 km², 6 points below the 30% tree-cover level considered healthy for this area, so roughly 20,106 more trees would close the gap.
Air quality detail
Air quality in Udine today: AQI 99, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Moruzzo- Via dal Pascut, 9.8 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
34.6
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Andre Lavoie
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Udine's daily AQI at 57 on average, from 46 on Nov 7 to an hourly peak of 96 on Nov 9.
Where Udine stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Udine: Below target
23.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
74,142
Target trees
94,248
More trees needed
20,106
CO₂ if planted / yr
442.3 t
Deforestation · 2001–2025
How much forest has Udine lost?
Since 2001, the area within 10 km of Udine has lost about 20 hectares of forest (about 28 football pitches): 1.7% of the forest it had in 2000. Most of it (52%) 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
- 20 haabout 28 football pitches
- Share of its forest
- 1.7%of what there was in 2000
- Cleared for good
- 10 hadeforestation: turned into farms, mines or towns
The worst year was 2018, when about 4 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 | 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 | 1 ha | 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | 1 ha | 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 | 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | 2 ha | under 1 ha | 2 ha |
| 2018 | 4 ha | under 1 ha | 4 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | 3 ha | under 1 ha | 3 ha |
| 2021 | under 1 ha | under 1 ha | 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 | 1 ha | 1 ha |
What is causing deforestation around Udine?
- Farms, pasture and plantationscleared for good38% · 8 ha
- Loggingcan grow back18% · 4 ha
- Towns and roadscleared for good14% · 3 ha
Also: mining and energy, 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
- 1,930 ha
- Forest in 2020
- 2,210 ha
- Overall change
- +279 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Udine grew from about 1,930 hectares to 2,210 hectares, a net gain of about 279 hectares (+14%). New forest grew on about 306 hectares, while 27 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 Udine
What is the air quality (AQI) in Udine right now?
The latest reading for Udine shows an AQI of 99 (Moderate), measured Nov 11, 17:00 local time by the Moruzzo- Via dal Pascut ground monitoring station, 9.8 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Udine today?
At AQI 99 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Udine been like this week?
Over the last 7 days, the CAMS air-quality model put Udine's daily AQI at 57 on average, from 46 on Nov 7 to an hourly peak of 96 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Udine lost since 2001?
Since 2001, the area within 10 km of Udine has lost about 20 hectares of forest (about 28 football pitches): 1.7% of the forest it had in 2000. Most of it (52%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Udine grew from about 1,930 hectares to 2,210 hectares, a net gain of about 279 hectares (+14%). New forest grew on about 306 hectares, while 27 hectares were lost.
What is the tree count in Udine?
Udine has an estimated 74,142 trees across the 12.57 km² measured — 23.6% tree cover, 6 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Udine need?
Udine needs roughly 20,106 more trees to close a 6-point shortfall against its 30% tree-cover target — about 442.3 t of extra CO₂ absorbed per year once grown.
How are Udine's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near 33100 Udine, 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 33100 Udine; the tree count is an estimate derived from that cover.
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