City report · Guanajuato, Mexico
León de los Aldama Air quality today
Air quality in León de los Aldama currently reads AQI 95 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 95
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 34.3
- tree cover
- 4.4%
- trees in this area
- 13.8K
- more trees needed
- 80.4K
Measured across a 2 km radius around Centro, León de los Aldama, Gto., Mexico (12.57 km²), from a satellite image of Sep 5, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
León de los Aldama · AQI 95 (Moderate)
León de los Aldama's tree count comes to 13,823 trees across 12.57 km², 26 points below the 30% tree-cover level considered healthy for this area, so roughly 80,425 more trees would close the gap.
Air quality detail
Air quality in León de los Aldama today: AQI 95, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 18:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 185 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 4 station cities within 185 km, e.g. Aguascalientes and Santiago de Querétaro
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
34.3
PM10
16.9
NO₂
12.3
O₃
100.0
SO₂
4.6
CO
330.0
- 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 León de los Aldama's daily AQI at 48 on average, from 30 on Nov 6 to an hourly peak of 82 on Nov 8.
Where León de los Aldama stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in León de los Aldama: Critically low
4.4% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
13,823
Target trees
94,248
More trees needed
80,425
CO₂ if planted / yr
1,769 t
Deforestation · 2001–2025
How much forest has León de los Aldama lost?
Since 2001, the area within 10 km of León de los Aldama has lost about 13 hectares of forest (about 18 football pitches): 9.1% of the forest it had in 2000. Most of it (80%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 13 haabout 18 football pitches
- Share of its forest
- 9.1%of what there was in 2000
- Cleared for good
- 11 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 6 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 | 5 ha | 1 ha | 6 ha |
| 2002 | 1 ha | under 1 ha | 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 1 ha | under 1 ha | 2 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | 2 ha | under 1 ha | 2 ha |
| 2008 | 1 ha | under 1 ha | 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around León de los Aldama?
- Towns and roadscleared for good44% · 6 ha
- Farms, pasture and plantationscleared for good36% · 5 ha
- Unknown causescause unknown19% · 3 ha
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
- 454 ha
- Forest in 2020
- 465 ha
- Overall change
- +11 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around León de los Aldama grew from about 454 hectares to 465 hectares, a net gain of about 11 hectares (+2.4%). New forest grew on about 27 hectares, while 15 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 León de los Aldama
Same 2 km radius, same index — so they compare directly.
- Irapuato60.5 km
Mexico
- Tree cover
- 5%
- Air quality
- 105
- Salamanca79.4 km
Mexico
- Tree cover
- 11%
- Air quality
- 117
- San Miguel de Allende100.1 km
Mexico
- Tree cover
- 18%
- Air quality
- 59
- Aguascalientes105.0 km
Mexico
- Tree cover
- 7%
- Air quality
- 92
- Celaya112.2 km
Mexico
- Tree cover
- 7%
- Air quality
- 58
Also compared:León de los Aldama vs Mexico CityLeón de los Aldama vs TijuanaLeón de los Aldama vs PueblaLeón de los Aldama vs Santiago de Querétaro
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Frequently asked
Questions about León de los Aldama
What is the air quality (AQI) in León de los Aldama right now?
The latest reading for León de los Aldama shows an AQI of 95 (Moderate), observed Nov 10, 18:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 185 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 León de los Aldama today?
At AQI 95 (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 León de los Aldama been like this week?
Over the last 7 days, the CAMS air-quality model put León de los Aldama's daily AQI at 48 on average, from 30 on Nov 6 to an hourly peak of 82 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around León de los Aldama lost since 2001?
Since 2001, the area within 10 km of León de los Aldama has lost about 13 hectares of forest (about 18 football pitches): 9.1% of the forest it had in 2000. Most of it (80%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around León de los Aldama grew from about 454 hectares to 465 hectares, a net gain of about 11 hectares (+2.4%). New forest grew on about 27 hectares, while 15 hectares were lost.
What is the tree count in León de los Aldama?
León de los Aldama has an estimated 13,823 trees across the 12.57 km² measured — 4.4% tree cover, 26 percentage points short of the 30% tree-cover target set for this area.
How many more trees does León de los Aldama need?
León de los Aldama needs roughly 80,425 more trees to close a 26-point shortfall against its 30% tree-cover target — about 1,769 t of extra CO₂ absorbed per year once grown.
How are León de los Aldama'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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