City report · Buenos Aires, Argentina
Quilmes Air quality today
Air quality in Quilmes currently reads AQI 14 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 14
Good
- PM2.5, fine particles (µg/m³)
- 2.5
- tree cover
- 21.3%
- trees in this area
- 65.8K
- more trees needed
- 26.9K
Measured across a 2 km radius around Quilmes, Buenos Aires Province, Argentina (12.57 km²), from a satellite image of Mar 8, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Quilmes · AQI 14 (Good)
Quilmes's tree count comes to 65,778 trees across 12.36 km² of land, 9 points below the 30% tree-cover level considered healthy for this area, so roughly 26,867 more trees would close the gap.
Air quality detail
Air quality in Quilmes today: AQI 14, Good
Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Avenida Raul Scalabrini Ortiz 1355, Palermo, Buenos Aires, Argentina, 21.3 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.5
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Luca
- 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 Quilmes's daily AQI at 42 on average, from 26 on Nov 7 to an hourly peak of 73 on Nov 8.
Where Quilmes stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Quilmes: Below target
21.3% tree cover against a 30% healthy-neighborhood target, across 12.36 km² of land.
Trees in this area
65,778
Target trees
92,645
More trees needed
26,867
CO₂ if planted / yr
591.1 t
Deforestation · 2001–2025
How much forest has Quilmes lost?
Since 2001, the area within 10 km of Quilmes has lost about 26 hectares of forest (about 37 football pitches): 22% of the forest it had in 2000. Most of it (59%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from March 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 26 haabout 37 football pitches
- Share of its forest
- 22%of what there was in 2000
- Cleared for good
- 16 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 8 hectares of forest were lost, mostly to wildfires.
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 | 1 ha | under 1 ha | 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | 5 ha | under 1 ha | 5 ha |
| 2010 | 2 ha | under 1 ha | 2 ha |
| 2011 | 5 ha | under 1 ha | 5 ha |
| 2012 | under 1 ha | under 1 ha | 1 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 | 8 ha | 8 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 Quilmes?
- Towns and roadscleared for good59% · 16 ha
- Wildfirescan grow back30% · 8 ha
- Storms, floods and other natural causescan grow back1.9% · under 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
- 136 ha
- Forest in 2020
- 207 ha
- Overall change
- +71 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Quilmes grew from about 136 hectares to 207 hectares, a net gain of about 71 hectares (+52%). New forest grew on about 78 hectares, while 7 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 Quilmes
Same 2 km radius, same index — so they compare directly.
- Lanús12.6 km
Argentina
- Tree cover
- 10%
- Air quality
- 14
- Buenos Aires16.4 km
Argentina
- Tree cover
- 13%
- Air quality
- 14
- Ezeiza28.8 km
Argentina
- Tree cover
- 26%
- Air quality
- 11
- Laferrere30.3 km
Argentina
- Tree cover
- 16%
- Air quality
- 14
- La Plata35.3 km
Argentina
- Tree cover
- 24%
- Air quality
- 13
- Castelar36.1 km
Argentina
- Tree cover
- 21%
- Air quality
- 14
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Frequently asked
Questions about Quilmes
What is the air quality (AQI) in Quilmes right now?
The latest reading for Quilmes shows an AQI of 14 (Good), measured Nov 11, 12:00 local time by the Avenida Raul Scalabrini Ortiz 1355, Palermo, Buenos Aires, Argentina ground monitoring station, 21.3 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Quilmes today?
At AQI 14 (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 Quilmes been like this week?
Over the last 7 days, the CAMS air-quality model put Quilmes's daily AQI at 42 on average, from 26 on Nov 7 to an hourly peak of 73 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Quilmes lost since 2001?
Since 2001, the area within 10 km of Quilmes has lost about 26 hectares of forest (about 37 football pitches): 22% of the forest it had in 2000. Most of it (59%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Quilmes grew from about 136 hectares to 207 hectares, a net gain of about 71 hectares (+52%). New forest grew on about 78 hectares, while 7 hectares were lost.
What is the tree count in Quilmes?
Quilmes has an estimated 65,778 trees across the 12.36 km² of land measured — 21.3% tree cover, 9 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Quilmes need?
Quilmes needs roughly 26,867 more trees to close a 9-point shortfall against its 30% tree-cover target — about 591.1 t of extra CO₂ absorbed per year once grown.
How are Quilmes's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Quilmes, 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 Quilmes; the tree count is an estimate derived from that cover.
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