City report · México, Mexico
Nicolás Romero Air quality today
Air quality in Nicolás Romero currently reads AQI 81 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 81
Moderate
- PM2.5, fine particles (µg/m³)
- 25.0
- tree cover
- 16.7%
- trees in this area
- 52.5K
- more trees needed
- 41.8K
Measured across a 2 km radius around Manzana 027, Libertad, 54407 Cdad. Nicolás Romero, 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.
Nicolás Romero · AQI 81 (Moderate)
Nicolás Romero's tree count comes to 52,465 trees across 12.57 km², 13 points below the 30% tree-cover level considered healthy for this area, so roughly 41,783 more trees would close the gap.
Air quality detail
Air quality in Nicolás Romero today: AQI 81, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 09:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Camarones, 24 km away · median of 7 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
25.0
PM10
74.0
NO₂
52.7
O₃
5.9
SO₂
23.6
CO
1718.4
Data: OpenAQ · Sinaica Mexico
- 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 Nicolás Romero's daily AQI at 82 on average, from 70 on Nov 4 to an hourly peak of 135 on Nov 9.
Where Nicolás Romero stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Nicolás Romero: Critically low
16.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
52,465
Target trees
94,248
More trees needed
41,783
CO₂ if planted / yr
919.2 t
Deforestation · 2001–2025
How much forest has Nicolás Romero lost?
Since 2001, the area within 10 km of Nicolás Romero has lost about 74 hectares of forest (about 100 football pitches): 1.4% of the forest it had in 2000. Most of it (87%) 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
- 74 haabout 100 football pitches
- Share of its forest
- 1.4%of what there was in 2000
- Cleared for good
- 65 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 20 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 | 1 ha | under 1 ha | 2 ha |
| 2004 | 7 ha | under 1 ha | 7 ha |
| 2005 | 2 ha | under 1 ha | 2 ha |
| 2006 | 2 ha | under 1 ha | 3 ha |
| 2007 | 4 ha | under 1 ha | 4 ha |
| 2008 | under 1 ha | under 1 ha | 2 ha |
| 2009 | 1 ha | 1 ha | 2 ha |
| 2010 | 2 ha | 1 ha | 3 ha |
| 2011 | 3 ha | under 1 ha | 4 ha |
| 2012 | 2 ha | under 1 ha | 3 ha |
| 2013 | 6 ha | 1 ha | 7 ha |
| 2014 | 1 ha | under 1 ha | 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | 20 ha | under 1 ha | 20 ha |
| 2018 | 7 ha | under 1 ha | 7 ha |
| 2019 | 4 ha | under 1 ha | 4 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | 1 ha | under 1 ha | 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 Nicolás Romero?
- Towns and roadscleared for good50% · 37 ha
- Mining and energycleared for good27% · 20 ha
- Farms, pasture and plantationscleared for good11% · 8 ha
Also: 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
- 6,340 ha
- Forest in 2020
- 6,240 ha
- Overall change
- −101 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Nicolás Romero stayed about the same size, at about 6,240 hectares: new forest grew on about 117 hectares, and about 217 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 Nicolás Romero
Same 2 km radius, same index — so they compare directly.
- Tlalnepantla16.3 km
Mexico
- Tree cover
- 6%
- Air quality
- 81
- Naucalpan de Juárez19.5 km
Mexico
- Tree cover
- 17%
- Air quality
- 81
- Ecatepec de Morelos26.1 km
Mexico
- Tree cover
- 18%
- Air quality
- 86
- Zumpango27.7 km
Mexico
- Tree cover
- 9%
- Air quality
- 37
- Mexico City30.2 km
Mexico
- Tree cover
- 7%
- Air quality
- 85
- 30.4 km
- Tree cover
- 33%
- Air quality
- 88
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Frequently asked
Questions about Nicolás Romero
What is the air quality (AQI) in Nicolás Romero right now?
The latest reading for Nicolás Romero shows an AQI of 81 (Moderate), measured Nov 11, 09:00 local time by 7 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Camarones, 24 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Nicolás Romero today?
At AQI 81 (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 Nicolás Romero been like this week?
Over the last 7 days, the CAMS air-quality model put Nicolás Romero'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 Nicolás Romero lost since 2001?
Since 2001, the area within 10 km of Nicolás Romero has lost about 74 hectares of forest (about 100 football pitches): 1.4% of the forest it had in 2000. Most of it (87%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Nicolás Romero stayed about the same size, at about 6,240 hectares: new forest grew on about 117 hectares, and about 217 hectares were lost.
What is the tree count in Nicolás Romero?
Nicolás Romero has an estimated 52,465 trees across the 12.57 km² measured — 16.7% tree cover, 13 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Nicolás Romero need?
Nicolás Romero needs roughly 41,783 more trees to close a 13-point shortfall against its 30% tree-cover target — about 919.2 t of extra CO₂ absorbed per year once grown.
How are Nicolás Romero's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Manzana 027, 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 027; the tree count is an estimate derived from that cover.
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