City report · Federal District, Brazil
Samambaia Air quality today
Air quality in Samambaia currently reads AQI 28 (Good): Air quality is satisfactory for everyone.
AQI 28
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 4.6
- tree cover
- 7.4%
- trees in this area
- 23.2K
- more trees needed
- 71.0K
Measured across a 2 km radius around Samambaia, Brasilia, Distrito Federal, Brazil (12.57 km²), from a satellite image of Nov 2, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Samambaia · AQI 28 (Good)
Samambaia's tree count comes to 23,248 trees across 12.57 km², 23 points below the 30% tree-cover level considered healthy for this area, so roughly 71,000 more trees would close the gap.
Air quality detail
Air quality in Samambaia today: AQI 28, Good
Main pollutant: PM2.5 · Observed Nov 10, 07:00 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
4.6
PM10
4.6
NO₂
10.8
O₃
56.0
SO₂
2.4
CO
197.0
- 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 Samambaia's daily AQI at 48 on average, from 27 on Nov 10 to an hourly peak of 99 on Nov 5.
Where Samambaia stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Samambaia: Critically low
7.4% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
23,248
Target trees
94,248
More trees needed
71,000
CO₂ if planted / yr
1,562 t
Deforestation · 2001–2025
How much forest has Samambaia lost?
Since 2001, the area within 10 km of Samambaia has lost about 80 hectares of forest (about 110 football pitches): 4.8% of the forest it had in 2000. Most of it (59%) was deforestation, forest cleared for good, mainly for towns and roads.
2018: satellite photo from August 2018 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 80 haabout 110 football pitches
- Share of its forest
- 4.8%of what there was in 2000
- Cleared for good
- 48 hadeforestation: turned into farms, mines or towns
The worst year was 2003, when about 10 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 | 1 ha |
| 2002 | 2 ha | under 1 ha | 2 ha |
| 2003 | 7 ha | 3 ha | 10 ha |
| 2004 | under 1 ha | 3 ha | 3 ha |
| 2005 | 4 ha | 3 ha | 7 ha |
| 2006 | under 1 ha | 2 ha | 2 ha |
| 2007 | 2 ha | 4 ha | 5 ha |
| 2008 | 1 ha | 1 ha | 3 ha |
| 2009 | 6 ha | under 1 ha | 6 ha |
| 2010 | 6 ha | 4 ha | 10 ha |
| 2011 | under 1 ha | 2 ha | 3 ha |
| 2012 | under 1 ha | 2 ha | 2 ha |
| 2013 | under 1 ha | under 1 ha | 1 ha |
| 2014 | 8 ha | under 1 ha | 8 ha |
| 2015 | 1 ha | under 1 ha | 2 ha |
| 2016 | 2 ha | under 1 ha | 3 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 | 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | 1 ha | under 1 ha | 2 ha |
| 2023 | 2 ha | under 1 ha | 2 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | 3 ha | 4 ha |
What is causing deforestation around Samambaia?
- Towns and roadscleared for good30% · 24 ha
- Loggingcan grow back29% · 23 ha
- Farms, pasture and plantationscleared for good22% · 18 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
- 2,610 ha
- Forest in 2020
- 2,760 ha
- Overall change
- +143 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Samambaia grew from about 2,610 hectares to 2,760 hectares, a net gain of about 143 hectares (+5.5%). New forest grew on about 229 hectares, while 86 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 Samambaia
Same 2 km radius, same index — so they compare directly.
- Gama16.3 km
Brazil
- Tree cover
- 27%
- Air quality
- 27
- Brasília21.9 km
Brazil
- Tree cover
- 27%
- Air quality
- 10
- Águas Lindas de Goiás23.2 km
Brazil
- Tree cover
- 22%
- Air quality
- 14
- Valparaíso de Goiás24.4 km
Brazil
- Tree cover
- 16%
- Air quality
- 24
- Luziânia44.3 km
Brazil
- Tree cover
- 15%
- Air quality
- 21
- Planaltina56.9 km
Brazil
- Tree cover
- 17%
- Air quality
- 13
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Frequently asked
Questions about Samambaia
What is the air quality (AQI) in Samambaia right now?
The latest reading for Samambaia shows an AQI of 28 (Good), observed Nov 10, 07:00 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 Samambaia today?
At AQI 28 (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 Samambaia been like this week?
Over the last 7 days, the CAMS air-quality model put Samambaia's daily AQI at 48 on average, from 27 on Nov 10 to an hourly peak of 99 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 Samambaia lost since 2001?
Since 2001, the area within 10 km of Samambaia has lost about 80 hectares of forest (about 110 football pitches): 4.8% 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 Samambaia grew from about 2,610 hectares to 2,760 hectares, a net gain of about 143 hectares (+5.5%). New forest grew on about 229 hectares, while 86 hectares were lost.
What is the tree count in Samambaia?
Samambaia has an estimated 23,248 trees across the 12.57 km² measured — 7.4% tree cover, 23 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Samambaia need?
Samambaia needs roughly 71,000 more trees to close a 23-point shortfall against its 30% tree-cover target — about 1,562 t of extra CO₂ absorbed per year once grown.
How are Samambaia'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 Samambaia; the tree count is an estimate derived from that cover.
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