City report · México, Mexico

Ojo de Agua Air quality today

Air quality in Ojo de Agua currently reads AQI 79 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

Air quality right now

AQI 79

Moderate

Main pollutant: PM2.5

PM2.5, fine particles (µg/m³): 24.0
tree cover: 4.7%
trees in this area: 14.8K
more trees needed: 79.5K

Measured across a 2 km radius around Manzana 015, San Pedro Atzompa, 55770 Ojo de Agua, Méx., Mexico (12.57 km²), from a satellite image of Sep 22, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Ojo de Agua · AQI 79 (Moderate)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 22, 2026

Ojo de Agua's tree count comes to 14,765 trees across 12.57 km², 25 points below the 30% tree-cover level considered healthy for this area, so roughly 79,482 more trees would close the gap.

Air quality detail

Air quality in Ojo de Agua today: AQI 79, Moderate

Main pollutant: PM2.5 · Observed Nov 11, 09:00 local time via OpenAQ and World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.

Ground station · Biblioteca, Tizayuca, Hidalgo, Mexico, 18.1 km away · median of 10 stations

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

24.0

PM10

57.0

NO₂

50.8

O₃

7.8

SO₂

9.2

1603.8

Data: OpenAQ · Sinaica Mexico, World Air Quality Index Project, INECC - Instituto Nacional de Ecología y Cambio Climático

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 Ojo de Agua's daily AQI at 82 on average, from 70 on Nov 4 to an hourly peak of 135 on Nov 9.

Last 7 days · model estimateavg 82 · peak 135

Nov 4Nov 10

Where Ojo de Agua stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Ojo de Agua: Critically low

4.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

25 points below target

Trees in this area

14,765

Target trees

94,247

More trees needed

79,482

CO₂ if planted / yr

1,749 t

Deforestation · 2001–2025

How much forest has Ojo de Agua lost?

There was very little forest around Ojo de Agua in 2000, about 87 hectares, and about 65 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.

Satellite image of the area around Ojo de Agua, March 2017

Show cleared forest

2017: satellite photo from March 2017 of a 5 × 5 km area in the city center.

The worst year was 2001, when about 51 hectares of forest were lost.

Hectares of forest lost each year

Show the figures as a table

Forest lost each year around Ojo de Agua, 2001–2025
Year	Cleared for good	Can grow back	Total
2001	47 ha	3 ha	51 ha
2002	1 ha	under 1 ha	2 ha
2003	under 1 ha	under 1 ha	under 1 ha
2004	under 1 ha	under 1 ha	1 ha
2005	under 1 ha	under 1 ha	under 1 ha
2006	1 ha	under 1 ha	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	5 ha	under 1 ha	5 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	1 ha	under 1 ha	2 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 Ojo de Agua?

Farms, pasture and plantationscleared for good52% · 34 ha
Towns and roadscleared for good40% · 26 ha
Wildfirescan grow back1.2% · under 1 ha

Also: unknown causes.

Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.

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. Images: contains modified Copernicus Sentinel data. How it's measured

In the same region

Measured cities near Ojo de Agua

Same 2 km radius, same index — so they compare directly.

Zumpango
Mexico
16.0 km
Tree cover
9%
Air quality
37
Cuautitlán Izcalli
Mexico
21.9 km
Tree cover
11%
Air quality
91
Texcoco de Mora
Mexico
23.0 km
Tree cover
7%
Air quality
102
Tlalnepantla
Mexico
24.9 km
Tree cover
6%
Air quality
81
Mexico City
Mexico
30.6 km
Tree cover
7%
Air quality
85
Nicolás Romero
Mexico
31.4 km
Tree cover
17%
Air quality
81

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Frequently asked

Questions about Ojo de Agua

What is the air quality (AQI) in Ojo de Agua right now?

The latest reading for Ojo de Agua shows an AQI of 79 (Moderate), measured Nov 11, 09:00 local time by 10 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Biblioteca, Tizayuca, Hidalgo, Mexico, 18.1 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.

Is it safe to exercise outside in Ojo de Agua today?

At AQI 79 (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 Ojo de Agua been like this week?

Over the last 7 days, the CAMS air-quality model put Ojo de Agua's daily AQI at 82 on average, from 70 on Nov 4 to an hourly peak of 135 on Nov 9. On 1 of those days the average was above 100, unhealthy for sensitive groups.

How much forest has the area around Ojo de Agua lost since 2001?

What is the tree count in Ojo de Agua?

Ojo de Agua has an estimated 14,765 trees across the 12.57 km² measured — 4.7% tree cover, 25 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Ojo de Agua need?

Ojo de Agua needs roughly 79,482 more trees to close a 25-point shortfall against its 30% tree-cover target — about 1,749 t of extra CO₂ absorbed per year once grown.

How are Ojo de Agua's air quality and tree cover measured?

Air quality is measured by ground monitoring stations near Manzana 015, 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 Manzana 015; the tree count is an estimate derived from that cover.

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