City report · São Paulo, Brazil
Santa Bárbara d'Oeste Air quality today
Air quality in Santa Bárbara d'Oeste currently reads AQI 40 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 40
Good
- PM2.5, fine particles (µg/m³)
- 7.2
- tree cover
- 25.3%
- trees in this area
- 79.5K
- more trees needed
- 14.8K
Measured across a 2 km radius around Vila Macnight, Santa Bárbara d'Oeste - SP, Brazil (12.57 km²), from a satellite image of Nov 4, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Santa Bárbara d'Oeste · AQI 40 (Good)
Santa Bárbara d'Oeste's tree count comes to 79,482 trees across 12.57 km², 5 points below the 30% tree-cover level considered healthy for this area, so roughly 14,765 more trees would close the gap.
Air quality detail
Air quality in Santa Bárbara d'Oeste today: AQI 40, Good
Main pollutant: PM2.5 · Observed Nov 11, 11:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Limeira, São Paulo, Brazil, 21.1 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.2
PM10
30.2
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, CETESB - Companhia Ambiental do Estado de São Paulo
- 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 Santa Bárbara d'Oeste's daily AQI at 106 on average, from 55 on Nov 9 to an hourly peak of 202 on Nov 7.
Where Santa Bárbara d'Oeste stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Santa Bárbara d'Oeste: Below target
25.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
79,482
Target trees
94,247
More trees needed
14,765
CO₂ if planted / yr
324.8 t
Deforestation · 2001–2025
How much forest has Santa Bárbara d'Oeste lost?
Since 2001, the area within 10 km of Santa Bárbara d'Oeste has lost about 294 hectares of forest (about 410 football pitches): 11% of the forest it had in 2000. Most of it (77%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from September 2017 of a 5 × 5 km area about 7 km northwest of the city center.
- Forest lost since 2001
- 294 haabout 410 football pitches
- Share of its forest
- 11%of what there was in 2000
- Cleared for good
- 227 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 44 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 | 3 ha | 31 ha |
| 2002 | 5 ha | under 1 ha | 6 ha |
| 2003 | 5 ha | under 1 ha | 6 ha |
| 2004 | 2 ha | under 1 ha | 3 ha |
| 2005 | 5 ha | under 1 ha | 5 ha |
| 2006 | 13 ha | 2 ha | 15 ha |
| 2007 | 16 ha | 2 ha | 18 ha |
| 2008 | 5 ha | 1 ha | 6 ha |
| 2009 | 10 ha | 2 ha | 12 ha |
| 2010 | 17 ha | 3 ha | 19 ha |
| 2011 | 2 ha | 1 ha | 4 ha |
| 2012 | 28 ha | 9 ha | 37 ha |
| 2013 | 9 ha | 1 ha | 10 ha |
| 2014 | 9 ha | under 1 ha | 9 ha |
| 2015 | 2 ha | under 1 ha | 2 ha |
| 2016 | 5 ha | 2 ha | 7 ha |
| 2017 | 24 ha | 20 ha | 44 ha |
| 2018 | 4 ha | under 1 ha | 4 ha |
| 2019 | 6 ha | 5 ha | 11 ha |
| 2020 | 8 ha | under 1 ha | 9 ha |
| 2021 | 10 ha | 2 ha | 12 ha |
| 2022 | 3 ha | 10 ha | 13 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | 10 ha | 1 ha | 11 ha |
What is causing deforestation around Santa Bárbara d'Oeste?
- Farms, pasture and plantationscleared for good67% · 196 ha
- Loggingcan grow back16% · 48 ha
- Towns and roadscleared for good11% · 31 ha
Also: 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
- 3,340 ha
- Forest in 2020
- 3,570 ha
- Overall change
- +234 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Santa Bárbara d'Oeste grew from about 3,340 hectares to 3,570 hectares, a net gain of about 234 hectares (+7%). New forest grew on about 419 hectares, while 185 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
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Frequently asked
Questions about Santa Bárbara d'Oeste
What is the air quality (AQI) in Santa Bárbara d'Oeste right now?
The latest reading for Santa Bárbara d'Oeste shows an AQI of 40 (Good), measured Nov 11, 11:00 local time by the Limeira, São Paulo, Brazil ground monitoring station, 21.1 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Santa Bárbara d'Oeste today?
At AQI 40 (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 Santa Bárbara d'Oeste been like this week?
Over the last 7 days, the CAMS air-quality model put Santa Bárbara d'Oeste's daily AQI at 106 on average, from 55 on Nov 9 to an hourly peak of 202 on Nov 7. On 4 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Santa Bárbara d'Oeste lost since 2001?
Since 2001, the area within 10 km of Santa Bárbara d'Oeste has lost about 294 hectares of forest (about 410 football pitches): 11% of the forest it had in 2000. Most of it (77%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Santa Bárbara d'Oeste grew from about 3,340 hectares to 3,570 hectares, a net gain of about 234 hectares (+7%). New forest grew on about 419 hectares, while 185 hectares were lost.
What is the tree count in Santa Bárbara d'Oeste?
Santa Bárbara d'Oeste has an estimated 79,482 trees across the 12.57 km² measured — 25.3% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Santa Bárbara d'Oeste need?
Santa Bárbara d'Oeste needs roughly 14,765 more trees to close a 5-point shortfall against its 30% tree-cover target — about 324.8 t of extra CO₂ absorbed per year once grown.
How are Santa Bárbara d'Oeste's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Vila Macnight, 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 Vila Macnight; the tree count is an estimate derived from that cover.
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