City report · Rio de Janeiro, Brazil
São Pedro da Aldeia Air quality today
Air quality in São Pedro da Aldeia currently reads AQI 14 (Good): Air quality is satisfactory for everyone.
AQI 14
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 2.3
- tree cover
- 28.4%
- trees in this area
- 49.7K
- more trees needed
- 2.8K
Measured across a 2 km radius around Centro, São Pedro da Aldeia - RJ, 28940-000, Brazil (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
São Pedro da Aldeia · AQI 14 (Good)
São Pedro da Aldeia's tree count comes to 49,696 trees across 7 km² of land, 2 points below the 30% tree-cover level considered healthy for this area, so roughly 2,800 more trees would close the gap.
Air quality detail
Air quality in São Pedro da Aldeia today: AQI 14, Good
Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 4 station cities within 125 km, e.g. São Gonçalo and Niterói
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.3
PM10
15.8
NO₂
0.8
O₃
58.0
SO₂
0.3
CO
74.0
- 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 São Pedro da Aldeia's daily AQI at 58 on average, from 48 on Nov 8 to an hourly peak of 77 on Nov 5.
Where São Pedro da Aldeia stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in São Pedro da Aldeia: Below target
28.4% tree cover against a 30% healthy-neighborhood target, across 7 km² of land.
Trees in this area
49,696
Target trees
52,496
More trees needed
2,800
CO₂ if planted / yr
61.6 t
Deforestation · 2001–2025
How much forest has São Pedro da Aldeia lost?
Since 2001, the area within 10 km of São Pedro da Aldeia has lost about 1,260 hectares of forest (about 1,800 football pitches): 23% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 225 hectares (18%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from June 2017 of a 5 × 5 km area about 7 km north of the city center.
- Forest lost since 2001
- 1,260 haabout 1,800 football pitches
- Share of its forest
- 23%of what there was in 2000
- Cleared for good
- 225 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 16 hectares a year in 2021–2025, down from 62 hectares a year in 2016–2020. The worst year was 2011, when about 287 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 | 8 ha | 15 ha | 23 ha |
| 2002 | under 1 ha | 4 ha | 4 ha |
| 2003 | 4 ha | 38 ha | 41 ha |
| 2004 | 17 ha | 11 ha | 27 ha |
| 2005 | 21 ha | 5 ha | 25 ha |
| 2006 | 7 ha | 11 ha | 17 ha |
| 2007 | 6 ha | 28 ha | 34 ha |
| 2008 | 3 ha | 5 ha | 8 ha |
| 2009 | 5 ha | 108 ha | 113 ha |
| 2010 | 9 ha | 83 ha | 92 ha |
| 2011 | 15 ha | 272 ha | 287 ha |
| 2012 | under 1 ha | 34 ha | 35 ha |
| 2013 | 13 ha | 25 ha | 38 ha |
| 2014 | 9 ha | 70 ha | 78 ha |
| 2015 | 11 ha | 37 ha | 48 ha |
| 2016 | 4 ha | 28 ha | 32 ha |
| 2017 | 29 ha | 129 ha | 158 ha |
| 2018 | 5 ha | 23 ha | 28 ha |
| 2019 | 5 ha | 29 ha | 34 ha |
| 2020 | 22 ha | 35 ha | 56 ha |
| 2021 | 13 ha | 21 ha | 33 ha |
| 2022 | 12 ha | 13 ha | 25 ha |
| 2023 | 4 ha | 10 ha | 15 ha |
| 2024 | 2 ha | 2 ha | 4 ha |
| 2025 | 3 ha | 1 ha | 4 ha |
What is causing deforestation around São Pedro da Aldeia?
- Loggingcan grow back81% · 1,020 ha
- Farms, pasture and plantationscleared for good9% · 114 ha
- Towns and roadscleared for good8.6% · 108 ha
Also: storms, floods and other natural causes, 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
- 4,260 ha
- Forest in 2020
- 4,000 ha
- Overall change
- −262 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around São Pedro da Aldeia shrank from about 4,260 hectares to 4,000 hectares, a net loss of about 262 hectares (−6.1%). New forest grew on about 181 hectares, but 443 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 São Pedro da Aldeia
Same 2 km radius, same index — so they compare directly.
- Araruama24.9 km
Brazil
- Tree cover
- 31%
- Air quality
- 17
- Rio das Ostras38.3 km
Brazil
- Tree cover
- 28%
- Air quality
- 20
- Macaé60.2 km
Brazil
- Tree cover
- 21%
- Air quality
- 16
- Maricá73.9 km
Brazil
- Tree cover
- 48%
- Air quality
- 14
- Nova Friburgo76.0 km
Brazil
- Tree cover
- 63%
- Air quality
- 9
- Itaboraí78.3 km
Brazil
- Tree cover
- 45%
- Air quality
- 12
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Frequently asked
Questions about São Pedro da Aldeia
What is the air quality (AQI) in São Pedro da Aldeia right now?
The latest reading for São Pedro da Aldeia shows an AQI of 14 (Good), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 125 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in São Pedro da Aldeia 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 São Pedro da Aldeia been like this week?
Over the last 7 days, the CAMS air-quality model put São Pedro da Aldeia's daily AQI at 58 on average, from 48 on Nov 8 to an hourly peak of 77 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 São Pedro da Aldeia lost since 2001?
Since 2001, the area within 10 km of São Pedro da Aldeia has lost about 1,260 hectares of forest (about 1,800 football pitches): 23% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 225 hectares (18%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 16 hectares a year in 2021–2025, down from 62 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around São Pedro da Aldeia shrank from about 4,260 hectares to 4,000 hectares, a net loss of about 262 hectares (−6.1%). New forest grew on about 181 hectares, but 443 hectares were lost.
What is the tree count in São Pedro da Aldeia?
São Pedro da Aldeia has an estimated 49,696 trees across the 7 km² of land measured — 28.4% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.
How many more trees does São Pedro da Aldeia need?
São Pedro da Aldeia needs roughly 2,800 more trees to close a 2-point shortfall against its 30% tree-cover target — about 61.6 t of extra CO₂ absorbed per year once grown.
How are São Pedro da Aldeia'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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