City report · São Paulo, Brazil
Leme Air quality today
Air quality in Leme currently reads AQI 54 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 54
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 9.2
- tree cover
- 11.3%
- trees in this area
- 35.5K
- more trees needed
- 58.7K
Measured across a 2 km radius around Centro, Leme - SP, Brazil (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Leme · AQI 54 (Moderate)
Leme's tree count comes to 35,500 trees across 12.57 km², 19 points below the 30% tree-cover level considered healthy for this area, so roughly 58,748 more trees would close the gap.
Air quality detail
Air quality in Leme today: AQI 54, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 35 ground-station cities within 205 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 35 station cities within 205 km, e.g. Araras and Rio Claro
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.2
PM10
10.4
NO₂
9.2
O₃
33.0
SO₂
3.2
CO
983.0
- 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 Leme's daily AQI at 87 on average, from 49 on Nov 9 to an hourly peak of 189 on Nov 7.
Where Leme stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Leme: Critically low
11.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
35,500
Target trees
94,248
More trees needed
58,748
CO₂ if planted / yr
1,292 t
Deforestation · 2001–2025
How much forest has Leme lost?
Since 2001, the area within 10 km of Leme has lost about 1,260 hectares of forest (about 1,800 football pitches): 26% of the forest it had in 2000. Most of it (67%) 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 southwest of the city center.
- Forest lost since 2001
- 1,260 haabout 1,800 football pitches
- Share of its forest
- 26%of what there was in 2000
- Cleared for good
- 839 hadeforestation: turned into farms, mines or towns
The worst year was 2014, when about 149 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 | 45 ha | 43 ha | 88 ha |
| 2002 | 44 ha | 14 ha | 58 ha |
| 2003 | 5 ha | 1 ha | 6 ha |
| 2004 | 62 ha | 5 ha | 66 ha |
| 2005 | 10 ha | 2 ha | 12 ha |
| 2006 | 36 ha | 10 ha | 46 ha |
| 2007 | 7 ha | 10 ha | 16 ha |
| 2008 | 49 ha | 46 ha | 95 ha |
| 2009 | 2 ha | under 1 ha | 2 ha |
| 2010 | 123 ha | 8 ha | 131 ha |
| 2011 | 19 ha | 4 ha | 23 ha |
| 2012 | 68 ha | 11 ha | 79 ha |
| 2013 | 98 ha | 4 ha | 102 ha |
| 2014 | 47 ha | 102 ha | 149 ha |
| 2015 | 28 ha | 14 ha | 42 ha |
| 2016 | 46 ha | 1 ha | 47 ha |
| 2017 | 34 ha | 10 ha | 44 ha |
| 2018 | 25 ha | 4 ha | 29 ha |
| 2019 | 8 ha | 8 ha | 15 ha |
| 2020 | 4 ha | 7 ha | 11 ha |
| 2021 | 6 ha | 1 ha | 7 ha |
| 2022 | 3 ha | 39 ha | 42 ha |
| 2023 | 40 ha | 12 ha | 52 ha |
| 2024 | 11 ha | 60 ha | 71 ha |
| 2025 | 22 ha | under 1 ha | 23 ha |
What is causing deforestation around Leme?
- Farms, pasture and plantationscleared for good66% · 834 ha
- Loggingcan grow back27% · 339 ha
- Wildfirescan grow back5.6% · 70 ha
Also: towns and roads, 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
- 5,320 ha
- Forest in 2020
- 5,140 ha
- Overall change
- −182 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Leme shrank from about 5,320 hectares to 5,140 hectares, a net loss of about 182 hectares (−3.4%). New forest grew on about 628 hectares, but 811 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 Leme
Same 2 km radius, same index — so they compare directly.
- Araras19.1 km
Brazil
- Tree cover
- 25%
- Air quality
- 57
- Rio Claro30.7 km
Brazil
- Tree cover
- 19%
- Air quality
- 60
- Limeira42.2 km
Brazil
- Tree cover
- 16%
- Air quality
- 55
- Mogi Guaçu50.0 km
Brazil
- Tree cover
- 21%
- Air quality
- 19
- São Carlos54.8 km
Brazil
- Tree cover
- 17%
- Air quality
- 64
- Americana61.9 km
Brazil
- Tree cover
- 23%
- Air quality
- 37
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Frequently asked
Questions about Leme
What is the air quality (AQI) in Leme right now?
The latest reading for Leme shows an AQI of 54 (Moderate), observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 35 ground-station cities within 205 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 Leme today?
At AQI 54 (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 Leme been like this week?
Over the last 7 days, the CAMS air-quality model put Leme's daily AQI at 87 on average, from 49 on Nov 9 to an hourly peak of 189 on Nov 7. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Leme lost since 2001?
Since 2001, the area within 10 km of Leme has lost about 1,260 hectares of forest (about 1,800 football pitches): 26% of the forest it had in 2000. Most of it (67%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Leme shrank from about 5,320 hectares to 5,140 hectares, a net loss of about 182 hectares (−3.4%). New forest grew on about 628 hectares, but 811 hectares were lost.
What is the tree count in Leme?
Leme has an estimated 35,500 trees across the 12.57 km² measured — 11.3% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Leme need?
Leme needs roughly 58,748 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,292 t of extra CO₂ absorbed per year once grown.
How are Leme'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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