City report · Biobio, Chile
Villa Mercedes Air quality today
Air quality in Villa Mercedes currently reads AQI 29 (Good): Air quality is satisfactory for everyone.
AQI 29
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 4.8
- tree cover
- 32.6%
- trees in this area
- 102K
- more trees needed
- 0
Measured across a 2 km radius around Villa Mercedes, Quilleco, Bio Bio, Chile (12.57 km²), from a satellite image of Mar 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Villa Mercedes · AQI 29 (Good)
Villa Mercedes's tree count comes to 102,416 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 Villa Mercedes today: AQI 29, Good
Main pollutant: PM2.5 · Observed Nov 10, 11:00 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
4.8
PM10
6.1
NO₂
1.9
O₃
51.0
SO₂
4.1
CO
97.0
- 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 Villa Mercedes's daily AQI at 24 on average, from 11 on Nov 8 to an hourly peak of 55 on Nov 10.
Where Villa Mercedes stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Villa Mercedes: Healthy tree cover
32.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
102,416
Target trees
102,416
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Villa Mercedes lost?
Since 2001, the area within 10 km of Villa Mercedes has lost about 9,340 hectares of forest (about 13,000 football pitches): 70% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 147 hectares (1.6%) was deforestation: forest cleared for good for farms, mines or towns.

2017: satellite photo from January 2017 of a 5 × 5 km area about 6 km west of the city center.
- Forest lost since 2001
- 9,340 haabout 13,000 football pitches
- Share of its forest
- 70%of what there was in 2000
- Cleared for good
- 147 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 142 hectares a year in 2021–2025, down from 374 hectares a year in 2016–2020. The worst year was 2014, when about 750 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 | 2 ha | 225 ha | 227 ha |
| 2002 | 4 ha | 507 ha | 511 ha |
| 2003 | under 1 ha | 542 ha | 542 ha |
| 2004 | under 1 ha | 410 ha | 411 ha |
| 2005 | under 1 ha | 307 ha | 307 ha |
| 2006 | under 1 ha | 561 ha | 562 ha |
| 2007 | under 1 ha | 325 ha | 326 ha |
| 2008 | 1 ha | 536 ha | 537 ha |
| 2009 | under 1 ha | 528 ha | 529 ha |
| 2010 | 108 ha | 115 ha | 223 ha |
| 2011 | under 1 ha | 521 ha | 521 ha |
| 2012 | 2 ha | 399 ha | 401 ha |
| 2013 | 3 ha | 621 ha | 624 ha |
| 2014 | under 1 ha | 750 ha | 750 ha |
| 2015 | under 1 ha | 283 ha | 283 ha |
| 2016 | 9 ha | 604 ha | 613 ha |
| 2017 | 3 ha | 391 ha | 393 ha |
| 2018 | under 1 ha | 506 ha | 506 ha |
| 2019 | under 1 ha | 167 ha | 167 ha |
| 2020 | 2 ha | 191 ha | 193 ha |
| 2021 | under 1 ha | 276 ha | 276 ha |
| 2022 | under 1 ha | 125 ha | 125 ha |
| 2023 | 6 ha | 125 ha | 131 ha |
| 2024 | 2 ha | 78 ha | 80 ha |
| 2025 | under 1 ha | 96 ha | 97 ha |
What is causing deforestation around Villa Mercedes?
- Loggingcan grow back98% · 9,180 ha
- Farms, pasture and plantationscleared for good1.6% · 147 ha
Also: wildfires, 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
- 13,100 ha
- Forest in 2020
- 13,600 ha
- Overall change
- +459 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Villa Mercedes grew from about 13,100 hectares to 13,600 hectares, a net gain of about 459 hectares (+3.5%). New forest grew on about 3,900 hectares, while 3,440 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
In the same region
Measured cities near Villa Mercedes
Same 2 km radius, same index — so they compare directly.
- Los Ángeles33.8 km
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- Tree cover
- 15%
- Air quality
- 58
- Chillán89.4 km
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- Tree cover
- 11%
- Air quality
- 55
- Coronel110.7 km
Chile
- Tree cover
- 36%
- Air quality
- 44
- Concepción114.6 km
Chile
- Tree cover
- 28%
- Air quality
- 48
- Talcahuano126.0 km
Chile
- Tree cover
- 19%
- Air quality
- 48
- Temuco157.7 km
Chile
- Tree cover
- 26%
- Air quality
- 48
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Frequently asked
Questions about Villa Mercedes
What is the air quality (AQI) in Villa Mercedes right now?
The latest reading for Villa Mercedes shows an AQI of 29 (Good), observed Nov 10, 11:00 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 Villa Mercedes today?
At AQI 29 (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 Villa Mercedes been like this week?
Over the last 7 days, the CAMS air-quality model put Villa Mercedes's daily AQI at 24 on average, from 11 on Nov 8 to an hourly peak of 55 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Villa Mercedes lost since 2001?
Since 2001, the area within 10 km of Villa Mercedes has lost about 9,340 hectares of forest (about 13,000 football pitches): 70% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 147 hectares (1.6%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 142 hectares a year in 2021–2025, down from 374 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Villa Mercedes grew from about 13,100 hectares to 13,600 hectares, a net gain of about 459 hectares (+3.5%). New forest grew on about 3,900 hectares, while 3,440 hectares were lost.
What is the tree count in Villa Mercedes?
Villa Mercedes has an estimated 102,416 trees across the 12.57 km² measured — 32.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Villa Mercedes need?
Villa Mercedes has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Villa Mercedes'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 Villa Mercedes; the tree count is an estimate derived from that cover.
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