City report · Rio de Janeiro, Brazil
Barra da Tijuca Air quality today
Air quality in Barra da Tijuca currently reads AQI 11 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 11
Good
- PM2.5, fine particles (µg/m³)
- 1.9
- tree cover
- 40.7%
- trees in this area
- 105K
- more trees needed
- 0
Measured across a 2 km radius around Barra da Tijuca, Rio de Janeiro, Brazil (12.57 km²), from a satellite image of Oct 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Barra da Tijuca · AQI 11 (Good)
Barra da Tijuca's tree count comes to 104,848 trees across 10.31 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Barra da Tijuca today: AQI 11, Good
Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Barra da Tijuca, 700 m away · median of 3 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.9
PM10
5.0
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · Rio City Hall, Prefeitura da Cidade do Rio de Janeiro · MonitorAr-Rio
- 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 Barra da Tijuca's daily AQI at 70 on average, from 59 on Nov 7 to an hourly peak of 149 on Nov 6.
Where Barra da Tijuca stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Barra da Tijuca: Healthy tree cover
40.7% tree cover against a 30% healthy-neighborhood target, across 10.31 km² of land.
Trees in this area
104,848
Target trees
104,848
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Barra da Tijuca lost?
Since 2001, the area within 10 km of Barra da Tijuca has lost about 488 hectares of forest (about 680 football pitches): 5.6% of the forest it had in 2000. Most of it (90%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from June 2017 of a 5 × 5 km area about 6 km northeast of the city center.
- Forest lost since 2001
- 488 haabout 680 football pitches
- Share of its forest
- 5.6%of what there was in 2000
- Cleared for good
- 438 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 54 hectares of forest were lost, mostly to wildfires.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 5 ha | under 1 ha | 6 ha |
| 2002 | 26 ha | under 1 ha | 26 ha |
| 2003 | 9 ha | under 1 ha | 10 ha |
| 2004 | 39 ha | 1 ha | 40 ha |
| 2005 | 13 ha | under 1 ha | 13 ha |
| 2006 | 18 ha | under 1 ha | 18 ha |
| 2007 | 22 ha | under 1 ha | 22 ha |
| 2008 | 19 ha | 1 ha | 21 ha |
| 2009 | 38 ha | under 1 ha | 39 ha |
| 2010 | 7 ha | under 1 ha | 8 ha |
| 2011 | 25 ha | 1 ha | 26 ha |
| 2012 | 19 ha | 1 ha | 20 ha |
| 2013 | 11 ha | under 1 ha | 12 ha |
| 2014 | 50 ha | 1 ha | 51 ha |
| 2015 | 19 ha | 1 ha | 20 ha |
| 2016 | 12 ha | 1 ha | 13 ha |
| 2017 | 20 ha | 33 ha | 54 ha |
| 2018 | 8 ha | under 1 ha | 9 ha |
| 2019 | 5 ha | under 1 ha | 5 ha |
| 2020 | 8 ha | under 1 ha | 9 ha |
| 2021 | 3 ha | under 1 ha | 3 ha |
| 2022 | 8 ha | under 1 ha | 8 ha |
| 2023 | 12 ha | under 1 ha | 12 ha |
| 2024 | 17 ha | under 1 ha | 17 ha |
| 2025 | 23 ha | 5 ha | 28 ha |
What is causing deforestation around Barra da Tijuca?
- Towns and roadscleared for good88% · 430 ha
- Wildfirescan grow back7.1% · 35 ha
- Farms, pasture and plantationscleared for good1.7% · 8 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
- 8,080 ha
- Forest in 2020
- 8,320 ha
- Overall change
- +247 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Barra da Tijuca grew from about 8,080 hectares to 8,320 hectares, a net gain of about 247 hectares (+3.1%). New forest grew on about 397 hectares, while 150 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 Barra da Tijuca
Same 2 km radius, same index — so they compare directly.
- Rio de Janeiro21.4 km
Brazil
- Tree cover
- 21%
- Air quality
- 23
- Duque de Caxias24.3 km
Brazil
- Tree cover
- 17%
- Air quality
- 93
- Nova Iguaçu28.0 km
Brazil
- Tree cover
- 33%
- Air quality
- 50
- Niterói29.7 km
Brazil
- Tree cover
- 33%
- Air quality
- 23
- Queimados36.9 km
Brazil
- Tree cover
- 36%
- Air quality
- 37
- São Gonçalo37.2 km
Brazil
- Tree cover
- 30%
- Air quality
- 23
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Frequently asked
Questions about Barra da Tijuca
What is the air quality (AQI) in Barra da Tijuca right now?
The latest reading for Barra da Tijuca shows an AQI of 11 (Good), measured Nov 11, 12:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Barra da Tijuca, 700 m away). The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Barra da Tijuca today?
At AQI 11 (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 Barra da Tijuca been like this week?
Over the last 7 days, the CAMS air-quality model put Barra da Tijuca's daily AQI at 70 on average, from 59 on Nov 7 to an hourly peak of 149 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Barra da Tijuca lost since 2001?
Since 2001, the area within 10 km of Barra da Tijuca has lost about 488 hectares of forest (about 680 football pitches): 5.6% of the forest it had in 2000. Most of it (90%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Barra da Tijuca grew from about 8,080 hectares to 8,320 hectares, a net gain of about 247 hectares (+3.1%). New forest grew on about 397 hectares, while 150 hectares were lost.
What is the tree count in Barra da Tijuca?
Barra da Tijuca has an estimated 104,848 trees across the 10.31 km² of land measured — 40.7% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Barra da Tijuca need?
Barra da Tijuca has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Barra da Tijuca's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Barra da Tijuca, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. 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 Barra da Tijuca; the tree count is an estimate derived from that cover.
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