City report · Rio Grande do Sul, Brazil
Alvorada Air quality today
Air quality in Alvorada currently reads AQI 56 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 56
Moderate
- PM2.5, fine particles (µg/m³)
- 12.1
- tree cover
- 21.9%
- trees in this area
- 68.8K
- more trees needed
- 25.4K
Measured across a 2 km radius around Bela Vista, Alvorada - RS, Brazil (12.57 km²), from a satellite image of Mar 4, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Alvorada · AQI 56 (Moderate)
Alvorada's tree count comes to 68,801 trees across 12.57 km², 8 points below the 30% tree-cover level considered healthy for this area, so roughly 25,447 more trees would close the gap.
Air quality detail
Air quality in Alvorada today: AQI 56, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 22:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
12.1
PM10
16.4
NO₂
11.0
O₃
39.0
SO₂
3.9
CO
141.0
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Alvorada's daily AQI at 39 on average, from 24 on Nov 6 to an hourly peak of 66 on Nov 4.
Where Alvorada stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Alvorada: Below target
21.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
68,801
Target trees
94,248
More trees needed
25,447
CO₂ if planted / yr
559.8 t
Deforestation · 2001–2025
How much forest has Alvorada lost?
Since 2001, the area within 10 km of Alvorada has lost about 808 hectares of forest (about 1,100 football pitches): 11% of the forest it had in 2000. Most of it (80%) was deforestation, forest cleared for good, mainly for towns and roads.
2018: satellite photo from March 2018 of a 5 × 5 km area about 7 km south of the city center.
- Forest lost since 2001
- 808 haabout 1,100 football pitches
- Share of its forest
- 11%of what there was in 2000
- Cleared for good
- 643 hadeforestation: turned into farms, mines or towns
The worst year was 2024, when about 79 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 | 20 ha | 8 ha | 28 ha |
| 2002 | 19 ha | 2 ha | 21 ha |
| 2003 | 7 ha | 1 ha | 8 ha |
| 2004 | 18 ha | 2 ha | 20 ha |
| 2005 | 25 ha | 3 ha | 27 ha |
| 2006 | 44 ha | 9 ha | 52 ha |
| 2007 | 25 ha | 6 ha | 31 ha |
| 2008 | 32 ha | 2 ha | 34 ha |
| 2009 | 28 ha | 2 ha | 30 ha |
| 2010 | 24 ha | 4 ha | 27 ha |
| 2011 | 6 ha | under 1 ha | 6 ha |
| 2012 | 38 ha | 4 ha | 41 ha |
| 2013 | 55 ha | 6 ha | 61 ha |
| 2014 | 39 ha | 2 ha | 40 ha |
| 2015 | 17 ha | 8 ha | 25 ha |
| 2016 | 27 ha | 6 ha | 34 ha |
| 2017 | 22 ha | 3 ha | 25 ha |
| 2018 | 9 ha | 8 ha | 17 ha |
| 2019 | 17 ha | 3 ha | 20 ha |
| 2020 | 15 ha | 4 ha | 19 ha |
| 2021 | 55 ha | 8 ha | 62 ha |
| 2022 | 30 ha | 18 ha | 48 ha |
| 2023 | 21 ha | 13 ha | 34 ha |
| 2024 | 36 ha | 42 ha | 79 ha |
| 2025 | 15 ha | 4 ha | 19 ha |
What is causing deforestation around Alvorada?
- Towns and roadscleared for good61% · 494 ha
- Loggingcan grow back19% · 150 ha
- Farms, pasture and plantationscleared for good17% · 139 ha
Also: mining and energy, wildfires, 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
- 5,740 ha
- Forest in 2020
- 5,730 ha
- Overall change
- −15 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Alvorada stayed about the same size, at about 5,730 hectares: new forest grew on about 494 hectares, and about 509 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 Alvorada
Same 2 km radius, same index — so they compare directly.
- Canoas13.8 km
Brazil
- Tree cover
- 20%
- Air quality
- 49
- Porto Alegre15.3 km
Brazil
- Tree cover
- 22%
- Air quality
- 44
- São Leopoldo27.5 km
Brazil
- Tree cover
- 32%
- Air quality
- 26
- Novo Hamburgo36.2 km
Brazil
- Tree cover
- 31%
- Air quality
- 28
- Caxias do Sul93.1 km
Brazil
- Tree cover
- 18%
- Air quality
- 25
- Bento Gonçalves101.6 km
Brazil
- Tree cover
- 40%
- Air quality
- 12
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Frequently asked
Questions about Alvorada
What is the air quality (AQI) in Alvorada right now?
The latest reading for Alvorada shows an AQI of 56 (Moderate), observed Nov 10, 22:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Alvorada today?
At AQI 56 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Alvorada been like this week?
Over the last 7 days, the CAMS air-quality model put Alvorada's daily AQI at 39 on average, from 24 on Nov 6 to an hourly peak of 66 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Alvorada lost since 2001?
Since 2001, the area within 10 km of Alvorada has lost about 808 hectares of forest (about 1,100 football pitches): 11% of the forest it had in 2000. Most of it (80%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Alvorada stayed about the same size, at about 5,730 hectares: new forest grew on about 494 hectares, and about 509 hectares were lost.
What is the tree count in Alvorada?
Alvorada has an estimated 68,801 trees across the 12.57 km² measured — 21.9% tree cover, 8 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Alvorada need?
Alvorada needs roughly 25,447 more trees to close a 8-point shortfall against its 30% tree-cover target — about 559.8 t of extra CO₂ absorbed per year once grown.
How are Alvorada'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 Bela Vista; the tree count is an estimate derived from that cover.
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