City report · Puebla, Mexico
Tehuacán Air quality today
Air quality in Tehuacán currently reads AQI 36 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 36
Good
- PM2.5, fine particles (µg/m³)
- 5.6
- tree cover
- 6.3%
- trees in this area
- 19.8K
- more trees needed
- 74.5K
Measured across a 2 km radius around Ignacio Zaragoza, Tehuacán, Pue., Mexico (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Tehuacán · AQI 36 (Good)
Tehuacán's tree count comes to 19,792 trees across 12.57 km², 24 points below the 30% tree-cover level considered healthy for this area, so roughly 74,456 more trees would close the gap.
Air quality detail
Air quality in Tehuacán today: AQI 36, Good
Main pollutant: PM2.5 · Observed Nov 10, 14:00 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. Puebla and San Pedro Cholula
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.6
PM10
5.0
NO₂
0.5
O₃
81.0
SO₂
0.9
CO
123.0
- 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 Tehuacán's daily AQI at 44 on average, from 27 on Nov 8 to an hourly peak of 75 on Nov 10.
Where Tehuacán stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Tehuacán: Critically low
6.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
19,792
Target trees
94,248
More trees needed
74,456
CO₂ if planted / yr
1,638 t
Deforestation · 2001–2025
How much forest has Tehuacán lost?
Since 2001, the area within 10 km of Tehuacán has lost about 10 hectares of forest (about 13 football pitches): under 1% of the forest it had in 2000. The biggest cause was farms, pasture and plantations (16%). About 2 hectares (24%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from February 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 10 haabout 13 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 2 hadeforestation: turned into farms, mines or towns
The worst year was 2025, 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 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 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 | 6 ha | 6 ha |
What is causing deforestation around Tehuacán?
- Farms, pasture and plantationscleared for good16% · 2 ha
- Mining and energycleared for good6.3% · under 1 ha
- Wildfirescan grow back5.2% · under 1 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
- 4,270 ha
- Forest in 2020
- 4,240 ha
- Overall change
- −39 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Tehuacán stayed about the same size, at about 4,240 hectares: new forest grew on about 21 hectares, and about 60 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 Tehuacán
What is the air quality (AQI) in Tehuacán right now?
The latest reading for Tehuacán shows an AQI of 36 (Good), observed Nov 10, 14:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 185 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Tehuacán today?
At AQI 36 (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 Tehuacán been like this week?
Over the last 7 days, the CAMS air-quality model put Tehuacán's daily AQI at 44 on average, from 27 on Nov 8 to an hourly peak of 75 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Tehuacán lost since 2001?
Since 2001, the area within 10 km of Tehuacán has lost about 10 hectares of forest (about 13 football pitches): under 1% of the forest it had in 2000. The biggest cause was farms, pasture and plantations (16%). About 2 hectares (24%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Tehuacán stayed about the same size, at about 4,240 hectares: new forest grew on about 21 hectares, and about 60 hectares were lost.
What is the tree count in Tehuacán?
Tehuacán has an estimated 19,792 trees across the 12.57 km² measured — 6.3% tree cover, 24 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Tehuacán need?
Tehuacán needs roughly 74,456 more trees to close a 24-point shortfall against its 30% tree-cover target — about 1,638 t of extra CO₂ absorbed per year once grown.
How are Tehuacán'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 Ignacio Zaragoza; the tree count is an estimate derived from that cover.
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