City report · Rondônia, Brazil
Vilhena Air quality today
Air quality in Vilhena currently reads AQI 47 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 47
Good
- PM2.5, fine particles (µg/m³)
- 9.2
- tree cover
- 12.9%
- trees in this area
- 40.5K
- more trees needed
- 53.7K
Measured across a 2 km radius around Centro, Vilhena - RO, 76980-000, Brazil (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Vilhena · AQI 47 (Good)
Vilhena's tree count comes to 40,527 trees across 12.57 km², 17 points below the 30% tree-cover level considered healthy for this area, so roughly 53,721 more trees would close the gap.
Air quality detail
Air quality in Vilhena today: AQI 47, Good
Main pollutant: PM2.5 · Observed Nov 10, 19:00 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
9.2
PM10
9.4
NO₂
4.3
O₃
44.0
SO₂
0.3
CO
275.0
- 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 Vilhena's daily AQI at 48 on average, from 37 on Nov 4 to an hourly peak of 75 on Nov 7.
Where Vilhena stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Vilhena: Critically low
12.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
40,527
Target trees
94,248
More trees needed
53,721
CO₂ if planted / yr
1,182 t
Deforestation · 2001–2025
How much forest has Vilhena lost?
Since 2001, the area within 10 km of Vilhena has lost about 8,530 hectares of forest (about 12,000 football pitches): 54% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from July 2017 of a 5 × 5 km area about 6 km north of the city center.
- Forest lost since 2001
- 8,530 haabout 12,000 football pitches
- Share of its forest
- 54%of what there was in 2000
- Cleared for good
- 7,980 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 197 hectares a year in 2021–2025, against 259 hectares a year in 2016–2020. The worst year was 2010, when about 1,240 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 | 112 ha | 1 ha | 113 ha |
| 2002 | 201 ha | 5 ha | 206 ha |
| 2003 | 252 ha | 1 ha | 253 ha |
| 2004 | 665 ha | 54 ha | 719 ha |
| 2005 | 395 ha | 8 ha | 403 ha |
| 2006 | 240 ha | under 1 ha | 240 ha |
| 2007 | 715 ha | 27 ha | 742 ha |
| 2008 | 927 ha | 12 ha | 939 ha |
| 2009 | 124 ha | 1 ha | 125 ha |
| 2010 | 1,040 ha | 201 ha | 1,240 ha |
| 2011 | 390 ha | 2 ha | 392 ha |
| 2012 | 474 ha | 1 ha | 475 ha |
| 2013 | 62 ha | under 1 ha | 62 ha |
| 2014 | 134 ha | 3 ha | 137 ha |
| 2015 | 191 ha | 12 ha | 203 ha |
| 2016 | 226 ha | 11 ha | 237 ha |
| 2017 | 187 ha | 20 ha | 207 ha |
| 2018 | 258 ha | 6 ha | 264 ha |
| 2019 | 133 ha | 33 ha | 166 ha |
| 2020 | 308 ha | 115 ha | 423 ha |
| 2021 | 233 ha | 18 ha | 251 ha |
| 2022 | 349 ha | 1 ha | 350 ha |
| 2023 | 119 ha | 4 ha | 123 ha |
| 2024 | 139 ha | 10 ha | 149 ha |
| 2025 | 109 ha | 2 ha | 111 ha |
What is causing deforestation around Vilhena?
- Farms, pasture and plantationscleared for good88% · 7,510 ha
- Wildfirescan grow back6.2% · 532 ha
- Towns and roadscleared for good5.6% · 479 ha
Also: logging, 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
- 15,400 ha
- Forest in 2020
- 9,730 ha
- Overall change
- −5,690 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Vilhena shrank from about 15,400 hectares to 9,730 hectares, a net loss of about 5,690 hectares (−37%). New forest grew on about 207 hectares, but 5,890 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 Vilhena
Same 2 km radius, same index — so they compare directly.
- Ji Paraná284.9 km
Brazil
- Tree cover
- 34%
- Air quality
- 65
- Tangará da Serra355.3 km
Brazil
- Tree cover
- 16%
- Air quality
- 54
- Sorriso481.6 km
Brazil
- Tree cover
- 22%
- Air quality
- 49
- Sinop513.8 km
Brazil
- Tree cover
- 12%
- Air quality
- 55
- Cuiabá539.8 km
Brazil
- Tree cover
- 17%
- Air quality
- 56
- Porto Velho603.5 km
Brazil
- Tree cover
- 20%
- Air quality
- 96
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Frequently asked
Questions about Vilhena
What is the air quality (AQI) in Vilhena right now?
The latest reading for Vilhena shows an AQI of 47 (Good), observed Nov 10, 19:00 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 Vilhena today?
At AQI 47 (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 Vilhena been like this week?
Over the last 7 days, the CAMS air-quality model put Vilhena's daily AQI at 48 on average, from 37 on Nov 4 to an hourly peak of 75 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Vilhena lost since 2001?
Since 2001, the area within 10 km of Vilhena has lost about 8,530 hectares of forest (about 12,000 football pitches): 54% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 197 hectares a year in 2021–2025, against 259 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Vilhena shrank from about 15,400 hectares to 9,730 hectares, a net loss of about 5,690 hectares (−37%). New forest grew on about 207 hectares, but 5,890 hectares were lost.
What is the tree count in Vilhena?
Vilhena has an estimated 40,527 trees across the 12.57 km² measured — 12.9% tree cover, 17 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Vilhena need?
Vilhena needs roughly 53,721 more trees to close a 17-point shortfall against its 30% tree-cover target — about 1,182 t of extra CO₂ absorbed per year once grown.
How are Vilhena'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 Centro; the tree count is an estimate derived from that cover.
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