City report · Andorra
Andorra la Vella Air quality today
Air quality in Andorra la Vella currently reads AQI 23 (Good): Air quality is satisfactory for everyone.
AQI 23
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 3.8
- tree cover
- 74.4%
- trees in this area
- 234K
- more trees needed
- 0
Measured across a 2 km radius around AD500 Andorra la Vella, Andorra (12.57 km²), from a satellite image of Sep 15, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Andorra la Vella · AQI 23 (Good)
Andorra la Vella's tree count comes to 233,734 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Andorra la Vella today: AQI 23, Good
Main pollutant: Ozone · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Escaldes-Engordany, 1.5 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.8
PM10
9.7
NO₂
13.7
O₃
51.0
SO₂
2.1
CO
600.0
Data: OpenAQ · EEA
- 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 Andorra la Vella's daily AQI at 13 on average, from 4 on Nov 11 to an hourly peak of 24 on Nov 6.
Where Andorra la Vella stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Andorra la Vella: Healthy tree cover
74.4% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
233,734
Target trees
233,734
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Andorra la Vella lost?
Since 2001, the area within 10 km of Andorra la Vella has lost about 181 hectares of forest (about 250 football pitches): 1% of the forest it had in 2000. The biggest cause was logging (46%), after which forest can grow back. About 53 hectares (29%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from September 2017 of a 5 × 5 km area about 7 km south of the city center.
- Forest lost since 2001
- 181 haabout 250 football pitches
- Share of its forest
- 1%of what there was in 2000
- Cleared for good
- 53 hadeforestation: turned into farms, mines or towns
The worst year was 2024, when about 31 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 | 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 6 ha | 10 ha | 16 ha |
| 2005 | under 1 ha | 1 ha | 2 ha |
| 2006 | 6 ha | 1 ha | 7 ha |
| 2007 | 1 ha | under 1 ha | 2 ha |
| 2008 | 2 ha | 4 ha | 6 ha |
| 2009 | under 1 ha | 3 ha | 3 ha |
| 2010 | under 1 ha | under 1 ha | 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | 2 ha | 4 ha | 5 ha |
| 2013 | under 1 ha | 1 ha | 2 ha |
| 2014 | under 1 ha | under 1 ha | 1 ha |
| 2015 | under 1 ha | 1 ha | 2 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | 2 ha | 1 ha | 3 ha |
| 2018 | 8 ha | 4 ha | 12 ha |
| 2019 | under 1 ha | 1 ha | 2 ha |
| 2020 | 7 ha | 22 ha | 29 ha |
| 2021 | 1 ha | under 1 ha | 2 ha |
| 2022 | 3 ha | 8 ha | 11 ha |
| 2023 | 3 ha | 12 ha | 15 ha |
| 2024 | 5 ha | 26 ha | 31 ha |
| 2025 | 1 ha | 25 ha | 26 ha |
What is causing deforestation around Andorra la Vella?
- Loggingcan grow back46% · 83 ha
- Towns and roadscleared for good29% · 52 ha
- Storms, floods and other natural causescan grow back14% · 25 ha
Also: wildfires, farms, pasture and plantations, 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
- 20,600 ha
- Forest in 2020
- 20,700 ha
- Overall change
- +62 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Andorra la Vella stayed about the same size, at about 20,700 hectares: new forest grew on about 119 hectares, and about 58 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 Andorra la Vella
What is the air quality (AQI) in Andorra la Vella right now?
The latest reading for Andorra la Vella shows an AQI of 23 (Good), measured Nov 11, 17:00 local time by the Escaldes-Engordany ground monitoring station, 1.5 km away, via OpenAQ. The main pollutant is Ozone. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Andorra la Vella 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 Andorra la Vella been like this week?
Over the last 7 days, the CAMS air-quality model put Andorra la Vella's daily AQI at 13 on average, from 4 on Nov 11 to an hourly peak of 24 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 Andorra la Vella lost since 2001?
Since 2001, the area within 10 km of Andorra la Vella has lost about 181 hectares of forest (about 250 football pitches): 1% of the forest it had in 2000. The biggest cause was logging (46%), after which forest can grow back. About 53 hectares (29%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Andorra la Vella stayed about the same size, at about 20,700 hectares: new forest grew on about 119 hectares, and about 58 hectares were lost.
What is the tree count in Andorra la Vella?
Andorra la Vella has an estimated 233,734 trees across the 12.57 km² measured — 74.4% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Andorra la Vella need?
Andorra la Vella has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Andorra la Vella's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near AD500 Andorra la Vella, 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 AD500 Andorra la Vella; the tree count is an estimate derived from that cover.
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