City report · Bolivia
Quillacollo Air quality today
Air quality in Quillacollo currently reads AQI 8 (Good): Air quality is satisfactory for everyone.
AQI 8
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 1.7
- tree cover
- 11.0%
- trees in this area
- 34.6K
- more trees needed
- 59.7K
Measured across a 2 km radius around Quillacollo, Bolivia (12.57 km²), from a satellite image of Nov 3, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Quillacollo · AQI 8 (Good)
Quillacollo's tree count comes to 34,558 trees across 12.57 km², 19 points below the 30% tree-cover level considered healthy for this area, so roughly 59,690 more trees would close the gap.
Air quality detail
Air quality in Quillacollo today: AQI 8, 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
1.7
PM10
1.8
NO₂
0.8
O₃
82.0
SO₂
1.0
CO
178.0
- 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 Quillacollo's daily AQI at 22 on average, from 9 on Nov 8 to an hourly peak of 69 on Nov 5.
Where Quillacollo stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Quillacollo: Critically low
11.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
34,558
Target trees
94,248
More trees needed
59,690
CO₂ if planted / yr
1,313 t
Deforestation · 2001–2025
How much forest has Quillacollo lost?
Since 2001, the area within 10 km of Quillacollo has lost about 18 hectares of forest (about 25 football pitches): 1.9% of the forest it had in 2000. Most of it (62%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 18 haabout 25 football pitches
- Share of its forest
- 1.9%of what there was in 2000
- Cleared for good
- 11 hadeforestation: turned into farms, mines or towns
The worst year was 2003, when about 2 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 | 1 ha | 2 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | 2 ha | under 1 ha | 2 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | 2 ha |
| 2006 | 1 ha | under 1 ha | 1 ha |
| 2007 | 2 ha | under 1 ha | 2 ha |
| 2008 | under 1 ha | under 1 ha | 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | 1 ha | 1 ha |
| 2011 | under 1 ha | under 1 ha | 1 ha |
| 2012 | 1 ha | under 1 ha | 2 ha |
| 2013 | under 1 ha | under 1 ha | under 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 | 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 Quillacollo?
- Towns and roadscleared for good32% · 6 ha
- Farms, pasture and plantationscleared for good29% · 5 ha
- Loggingcan grow back7.1% · 1 ha
Also: 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
- 623 ha
- Forest in 2020
- 582 ha
- Overall change
- −41 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Quillacollo shrank from about 623 hectares to 582 hectares, a net loss of about 41 hectares (−6.6%). New forest grew on about 34 hectares, but 75 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 Quillacollo
What is the air quality (AQI) in Quillacollo right now?
The latest reading for Quillacollo shows an AQI of 8 (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 Quillacollo today?
At AQI 8 (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 Quillacollo been like this week?
Over the last 7 days, the CAMS air-quality model put Quillacollo's daily AQI at 22 on average, from 9 on Nov 8 to an hourly peak of 69 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Quillacollo lost since 2001?
Since 2001, the area within 10 km of Quillacollo has lost about 18 hectares of forest (about 25 football pitches): 1.9% of the forest it had in 2000. Most of it (62%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Quillacollo shrank from about 623 hectares to 582 hectares, a net loss of about 41 hectares (−6.6%). New forest grew on about 34 hectares, but 75 hectares were lost.
What is the tree count in Quillacollo?
Quillacollo has an estimated 34,558 trees across the 12.57 km² measured — 11.0% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Quillacollo need?
Quillacollo needs roughly 59,690 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,313 t of extra CO₂ absorbed per year once grown.
How are Quillacollo'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 Quillacollo; the tree count is an estimate derived from that cover.
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