City report · Santa Catarina, Brazil
Chapecó Air quality today
Air quality in Chapecó currently reads AQI 43 (Good): Air quality is satisfactory for everyone.
AQI 43
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 5.7
- tree cover
- 15.3%
- trees in this area
- 48.1K
- more trees needed
- 46.2K
Measured across a 2 km radius around Centro, Chapecó - SC, Brazil (12.57 km²), from a satellite image of Nov 9, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Chapecó · AQI 43 (Good)
Chapecó's tree count comes to 48,066 trees across 12.57 km², 15 points below the 30% tree-cover level considered healthy for this area, so roughly 46,181 more trees would close the gap.
Air quality detail
Air quality in Chapecó today: AQI 43, Good
Main pollutant: PM2.5 · Observed Nov 11, 02:00 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
5.7
PM10
6.5
NO₂
5.0
O₃
42.0
SO₂
0.9
CO
115.0
- 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 Chapecó's daily AQI at 44 on average, from 27 on Nov 8 to an hourly peak of 83 on Nov 5.
Where Chapecó stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Chapecó: Critically low
15.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
48,066
Target trees
94,247
More trees needed
46,181
CO₂ if planted / yr
1,016 t
Deforestation · 2001–2025
How much forest has Chapecó lost?
Since 2001, the area within 10 km of Chapecó has lost about 1,650 hectares of forest (about 2,300 football pitches): 12% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 419 hectares (25%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from March 2017 of a 5 × 5 km area about 7 km southwest of the city center.
- Forest lost since 2001
- 1,650 haabout 2,300 football pitches
- Share of its forest
- 12%of what there was in 2000
- Cleared for good
- 419 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 61 hectares a year in 2021–2025, down from 117 hectares a year in 2016–2020. The worst year was 2017, when about 143 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 | 28 ha | 72 ha | 99 ha |
| 2002 | 6 ha | 4 ha | 10 ha |
| 2003 | 7 ha | 51 ha | 58 ha |
| 2004 | 11 ha | 20 ha | 31 ha |
| 2005 | 18 ha | 20 ha | 38 ha |
| 2006 | 24 ha | 30 ha | 54 ha |
| 2007 | 4 ha | 29 ha | 33 ha |
| 2008 | 12 ha | 21 ha | 33 ha |
| 2009 | 17 ha | 19 ha | 35 ha |
| 2010 | 24 ha | 37 ha | 61 ha |
| 2011 | 11 ha | 22 ha | 33 ha |
| 2012 | 25 ha | 41 ha | 66 ha |
| 2013 | 26 ha | 45 ha | 72 ha |
| 2014 | 22 ha | 78 ha | 100 ha |
| 2015 | 11 ha | 25 ha | 36 ha |
| 2016 | 23 ha | 113 ha | 136 ha |
| 2017 | 41 ha | 102 ha | 143 ha |
| 2018 | 23 ha | 95 ha | 118 ha |
| 2019 | 20 ha | 90 ha | 110 ha |
| 2020 | 26 ha | 53 ha | 79 ha |
| 2021 | 14 ha | 73 ha | 87 ha |
| 2022 | 8 ha | 58 ha | 66 ha |
| 2023 | 10 ha | 68 ha | 78 ha |
| 2024 | 5 ha | 35 ha | 40 ha |
| 2025 | 4 ha | 29 ha | 33 ha |
What is causing deforestation around Chapecó?
- Loggingcan grow back74% · 1,220 ha
- Farms, pasture and plantationscleared for good22% · 359 ha
- Towns and roadscleared for good3.7% · 60 ha
Also: storms, floods and other natural causes, 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
- 13,300 ha
- Forest in 2020
- 12,600 ha
- Overall change
- −634 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Chapecó shrank from about 13,300 hectares to 12,600 hectares, a net loss of about 634 hectares (−4.8%). New forest grew on about 674 hectares, but 1,310 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 Chapecó
Same 2 km radius, same index — so they compare directly.
- Francisco Beltrão121.0 km
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- Tree cover
- 32%
- Air quality
- 13
- Passo Fundo131.4 km
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- 26%
- Air quality
- 31
- Guarapuava221.8 km
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- Tree cover
- 21%
- Air quality
- 21
- Lages239.9 km
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- Tree cover
- 14%
- Air quality
- 9
- Cascavel252.3 km
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- Tree cover
- 26%
- Air quality
- 16
- Bento Gonçalves254.7 km
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- Tree cover
- 40%
- Air quality
- 12
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Frequently asked
Questions about Chapecó
What is the air quality (AQI) in Chapecó right now?
The latest reading for Chapecó shows an AQI of 43 (Good), observed Nov 11, 02:00 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 Chapecó today?
At AQI 43 (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 Chapecó been like this week?
Over the last 7 days, the CAMS air-quality model put Chapecó's daily AQI at 44 on average, from 27 on Nov 8 to an hourly peak of 83 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 Chapecó lost since 2001?
Since 2001, the area within 10 km of Chapecó has lost about 1,650 hectares of forest (about 2,300 football pitches): 12% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 419 hectares (25%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 61 hectares a year in 2021–2025, down from 117 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Chapecó shrank from about 13,300 hectares to 12,600 hectares, a net loss of about 634 hectares (−4.8%). New forest grew on about 674 hectares, but 1,310 hectares were lost.
What is the tree count in Chapecó?
Chapecó has an estimated 48,066 trees across the 12.57 km² measured — 15.3% tree cover, 15 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Chapecó need?
Chapecó needs roughly 46,181 more trees to close a 15-point shortfall against its 30% tree-cover target — about 1,016 t of extra CO₂ absorbed per year once grown.
How are Chapecó'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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