City report · São Paulo, Brazil
Jaú Air quality today
Air quality in Jaú currently reads AQI 65 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 65
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 15.1
- tree cover
- 17.9%
- trees in this area
- 56.2K
- more trees needed
- 38.0K
Measured across a 2 km radius around Centro, Jaú - SP, Brazil (12.57 km²), from a satellite image of Nov 9, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Jaú · AQI 65 (Moderate)
Jaú's tree count comes to 56,235 trees across 12.57 km², 12 points below the 30% tree-cover level considered healthy for this area, so roughly 38,013 more trees would close the gap.
Air quality detail
Air quality in Jaú today: AQI 65, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 13:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 105 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 105 km, e.g. Bauru and Rio Claro
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
15.1
PM10
9.8
NO₂
1.8
O₃
106.0
SO₂
1.5
CO
225.0
- 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 Jaú's daily AQI at 109 on average, from 50 on Nov 9 to an hourly peak of 288 on Nov 6.
Where Jaú stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Jaú: Critically low
17.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
56,235
Target trees
94,248
More trees needed
38,013
CO₂ if planted / yr
836.3 t
Deforestation · 2001–2025
How much forest has Jaú lost?
Since 2001, the area within 10 km of Jaú has lost about 91 hectares of forest (about 130 football pitches): 6.4% of the forest it had in 2000. Most of it (87%) 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
- 91 haabout 130 football pitches
- Share of its forest
- 6.4%of what there was in 2000
- Cleared for good
- 79 hadeforestation: turned into farms, mines or towns
The worst year was 2008, when about 11 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 | 2 ha | under 1 ha | 2 ha |
| 2002 | under 1 ha | under 1 ha | 1 ha |
| 2003 | under 1 ha | under 1 ha | 1 ha |
| 2004 | 7 ha | under 1 ha | 7 ha |
| 2005 | 2 ha | 1 ha | 3 ha |
| 2006 | 5 ha | under 1 ha | 5 ha |
| 2007 | 3 ha | under 1 ha | 4 ha |
| 2008 | 11 ha | under 1 ha | 11 ha |
| 2009 | under 1 ha | under 1 ha | 1 ha |
| 2010 | 2 ha | under 1 ha | 2 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | 2 ha |
| 2013 | under 1 ha | under 1 ha | 2 ha |
| 2014 | 6 ha | under 1 ha | 6 ha |
| 2015 | 10 ha | under 1 ha | 11 ha |
| 2016 | 2 ha | under 1 ha | 2 ha |
| 2017 | 5 ha | 5 ha | 9 ha |
| 2018 | 2 ha | under 1 ha | 2 ha |
| 2019 | 5 ha | under 1 ha | 5 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | 1 ha | under 1 ha | 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | 10 ha | under 1 ha | 11 ha |
| 2024 | 2 ha | under 1 ha | 2 ha |
| 2025 | 1 ha | under 1 ha | 1 ha |
What is causing deforestation around Jaú?
- Farms, pasture and plantationscleared for good77% · 71 ha
- Towns and roadscleared for good9.5% · 9 ha
- Loggingcan grow back6.9% · 6 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
- 2,030 ha
- Forest in 2020
- 2,230 ha
- Overall change
- +198 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Jaú grew from about 2,030 hectares to 2,230 hectares, a net gain of about 198 hectares (+9.7%). New forest grew on about 316 hectares, while 118 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 Jaú
Same 2 km radius, same index — so they compare directly.
- Bauru51.8 km
Brazil
- Tree cover
- 14%
- Air quality
- 69
- Botucatu66.6 km
Brazil
- Tree cover
- 23%
- Air quality
- 80
- Araraquara68.3 km
Brazil
- Tree cover
- 19%
- Air quality
- 62
- São Carlos75.4 km
Brazil
- Tree cover
- 17%
- Air quality
- 64
- Rio Claro103.3 km
Brazil
- Tree cover
- 19%
- Air quality
- 60
- Piracicaba104.8 km
Brazil
- Tree cover
- 16%
- Air quality
- 117
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Frequently asked
Questions about Jaú
What is the air quality (AQI) in Jaú right now?
The latest reading for Jaú shows an AQI of 65 (Moderate), observed Nov 11, 13:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 105 km, 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 Jaú today?
At AQI 65 (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 Jaú been like this week?
Over the last 7 days, the CAMS air-quality model put Jaú's daily AQI at 109 on average, from 50 on Nov 9 to an hourly peak of 288 on Nov 6. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Jaú lost since 2001?
Since 2001, the area within 10 km of Jaú has lost about 91 hectares of forest (about 130 football pitches): 6.4% of the forest it had in 2000. Most of it (87%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Jaú grew from about 2,030 hectares to 2,230 hectares, a net gain of about 198 hectares (+9.7%). New forest grew on about 316 hectares, while 118 hectares were lost.
What is the tree count in Jaú?
Jaú has an estimated 56,235 trees across the 12.57 km² measured — 17.9% tree cover, 12 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Jaú need?
Jaú needs roughly 38,013 more trees to close a 12-point shortfall against its 30% tree-cover target — about 836.3 t of extra CO₂ absorbed per year once grown.
How are Jaú'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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