City report · São Paulo, Brazil
Sumaré Air quality today
Air quality in Sumaré currently reads AQI 16 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 16
Good
- PM2.5, fine particles (µg/m³)
- 2.2
- tree cover
- 24.0%
- trees in this area
- 75.4K
- more trees needed
- 18.9K
Measured across a 2 km radius around Centro, Sumaré - 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.
Sumaré · AQI 16 (Good)
Sumaré's tree count comes to 75,398 trees across 12.57 km², 6 points below the 30% tree-cover level considered healthy for this area, so roughly 18,850 more trees would close the gap.
Air quality detail
Air quality in Sumaré today: AQI 16, Good
Main pollutant: PM10 · Observed Nov 11, 10:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Paulínia-Sul, São Paulo, Brazil, 13.9 km away · median of 3 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.2
PM10
17.8
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 Sumaré's daily AQI at 78 on average, from 43 on Nov 9 to an hourly peak of 161 on Nov 5.
Where Sumaré stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Sumaré: Below target
24.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
75,398
Target trees
94,248
More trees needed
18,850
CO₂ if planted / yr
414.7 t
Deforestation · 2001–2025
How much forest has Sumaré lost?
Since 2001, the area within 10 km of Sumaré has lost about 178 hectares of forest (about 250 football pitches): 9.9% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 178 haabout 250 football pitches
- Share of its forest
- 9.9%of what there was in 2000
- Cleared for good
- 159 hadeforestation: turned into farms, mines or towns
The worst year was 2007, when about 24 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 | 15 ha | under 1 ha | 15 ha |
| 2002 | 3 ha | 2 ha | 5 ha |
| 2003 | 4 ha | under 1 ha | 5 ha |
| 2004 | 5 ha | under 1 ha | 6 ha |
| 2005 | 7 ha | under 1 ha | 8 ha |
| 2006 | 18 ha | under 1 ha | 18 ha |
| 2007 | 22 ha | 1 ha | 24 ha |
| 2008 | 12 ha | 1 ha | 13 ha |
| 2009 | 16 ha | 2 ha | 18 ha |
| 2010 | 5 ha | 1 ha | 6 ha |
| 2011 | 3 ha | under 1 ha | 4 ha |
| 2012 | 8 ha | 2 ha | 10 ha |
| 2013 | 1 ha | under 1 ha | 2 ha |
| 2014 | 13 ha | under 1 ha | 14 ha |
| 2015 | 4 ha | under 1 ha | 5 ha |
| 2016 | 1 ha | under 1 ha | 2 ha |
| 2017 | 5 ha | 1 ha | 6 ha |
| 2018 | 1 ha | under 1 ha | 2 ha |
| 2019 | under 1 ha | under 1 ha | 2 ha |
| 2020 | 7 ha | under 1 ha | 7 ha |
| 2021 | 3 ha | under 1 ha | 4 ha |
| 2022 | 2 ha | under 1 ha | 3 ha |
| 2023 | 2 ha | under 1 ha | 2 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | 2 ha |
What is causing deforestation around Sumaré?
- Farms, pasture and plantationscleared for good53% · 95 ha
- Towns and roadscleared for good33% · 60 ha
- Loggingcan grow back5.3% · 10 ha
Also: 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
- 2,590 ha
- Forest in 2020
- 2,750 ha
- Overall change
- +164 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Sumaré grew from about 2,590 hectares to 2,750 hectares, a net gain of about 164 hectares (+6.3%). New forest grew on about 383 hectares, while 220 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 Sumaré
Same 2 km radius, same index — so they compare directly.
- Paulínia13.4 km
Brazil
- Tree cover
- 34%
- Air quality
- 22
- Santa Bárbara d'Oeste16.8 km
Brazil
- Tree cover
- 25%
- Air quality
- 17
- Campinas23.1 km
Brazil
- Tree cover
- 15%
- Air quality
- 15
- Indaiatuba30.2 km
Brazil
- Tree cover
- 16%
- Air quality
- 12
- Limeira31.8 km
Brazil
- Tree cover
- 16%
- Air quality
- 17
- Valinhos32.3 km
Brazil
- Tree cover
- 27%
- Air quality
- 15
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Frequently asked
Questions about Sumaré
What is the air quality (AQI) in Sumaré right now?
The latest reading for Sumaré shows an AQI of 16 (Good), measured Nov 11, 10:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Paulínia-Sul, São Paulo, Brazil, 13.9 km away). The main pollutant is PM10. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Sumaré today?
At AQI 16 (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 Sumaré been like this week?
Over the last 7 days, the CAMS air-quality model put Sumaré's daily AQI at 78 on average, from 43 on Nov 9 to an hourly peak of 161 on Nov 5. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Sumaré lost since 2001?
Since 2001, the area within 10 km of Sumaré has lost about 178 hectares of forest (about 250 football pitches): 9.9% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Sumaré grew from about 2,590 hectares to 2,750 hectares, a net gain of about 164 hectares (+6.3%). New forest grew on about 383 hectares, while 220 hectares were lost.
What is the tree count in Sumaré?
Sumaré has an estimated 75,398 trees across the 12.57 km² measured — 24.0% tree cover, 6 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Sumaré need?
Sumaré needs roughly 18,850 more trees to close a 6-point shortfall against its 30% tree-cover target — about 414.7 t of extra CO₂ absorbed per year once grown.
How are Sumaré's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Centro, 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 Centro; the tree count is an estimate derived from that cover.
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