City report · Puebla, Mexico
Cholula Air quality today
Air quality in Cholula currently reads AQI 107 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Air quality right now
AQI 107
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 38.0
- tree cover
- 9.0%
- trees in this area
- 28.3K
- more trees needed
- 81.7K
Measured across a 2 km radius around Centro, San Pedro Cholula, Pue., Mexico (12.57 km²), from a satellite image of Sep 22, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Cholula · AQI 107 (Unhealthy for sensitive groups)
Cholula's tree count comes to 28,274 trees across 12.57 km², 26 points below the 35% tree-cover level considered healthy for this area, so roughly 81,681 more trees would close the gap.
Air quality detail
Air quality in Cholula today: AQI 107, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 09:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Benemérito Instituto Normal del Estado, 8.3 km away · median of 2 stations
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
38.0
PM10
89.5
NO₂
22.1
O₃
6.7
SO₂
6.4
CO
1254.1
Data: OpenAQ · Sinaica Mexico
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Cholula's daily AQI at 59 on average, from 49 on Nov 8 to an hourly peak of 103 on Nov 5.
Where Cholula stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Cholula: Critically low
9.0% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
28,274
Target trees
109,955
More trees needed
81,681
CO₂ if planted / yr
1,797 t
Deforestation · 2001–2025
How much forest has Cholula lost?
Since 2001, the area within 10 km of Cholula has lost about 3 hectares of forest (about 4 football pitches): 2.8% of the forest it had in 2000. Most of it (84%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from March 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 3 haabout 4 football pitches
- Share of its forest
- 2.8%of what there was in 2000
- Cleared for good
- 3 hadeforestation: turned into farms, mines or towns
The worst year was 2015, when about 3 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 | 2 ha | under 1 ha | 3 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 Cholula?
- Towns and roadscleared for good84% · 3 ha
- Unknown causescause unknown16% · under 1 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
- 375 ha
- Forest in 2020
- 394 ha
- Overall change
- +19 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Cholula grew from about 375 hectares to 394 hectares, a net gain of about 19 hectares (+5.1%). New forest grew on about 31 hectares, while 12 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
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Same 2 km radius, same index — so they compare directly.
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- 13%
- Air quality
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- Ixtapaluca67.0 km
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- Air quality
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- Xico71.8 km
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- Air quality
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- Cuautla74.0 km
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- Air quality
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- Chicoloapan74.1 km
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- Air quality
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- Texcoco de Mora78.6 km
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- Air quality
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Frequently asked
Questions about Cholula
What is the air quality (AQI) in Cholula right now?
The latest reading for Cholula shows an AQI of 107 (Unhealthy for sensitive groups), measured Nov 11, 09:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Benemérito Instituto Normal del Estado, 8.3 km away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Cholula today?
At AQI 107 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Cholula been like this week?
Over the last 7 days, the CAMS air-quality model put Cholula's daily AQI at 59 on average, from 49 on Nov 8 to an hourly peak of 103 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Cholula lost since 2001?
Since 2001, the area within 10 km of Cholula has lost about 3 hectares of forest (about 4 football pitches): 2.8% of the forest it had in 2000. Most of it (84%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Cholula grew from about 375 hectares to 394 hectares, a net gain of about 19 hectares (+5.1%). New forest grew on about 31 hectares, while 12 hectares were lost.
What is the tree count in Cholula?
Cholula has an estimated 28,274 trees across the 12.57 km² measured — 9.0% tree cover, 26 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Cholula need?
Cholula needs roughly 81,681 more trees to close a 26-point shortfall against its 35% tree-cover target — about 1,797 t of extra CO₂ absorbed per year once grown.
How are Cholula'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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